377 files changed, 3236 insertions, 1892 deletions

diff --git a/Documentation/networking/00-INDEX b/Documentation/networking/00-INDEX
index 4edd78dfb362..bbce1215434a 100644
--- a/Documentation/networking/00-INDEX
+++ b/Documentation/networking/00-INDEX
@@ -1,13 +1,21 @@
 00-INDEX
         - this file
+3c359.txt
+        - information on the 3Com TokenLink Velocity XL (3c5359) driver.
 3c505.txt
         - information on the 3Com EtherLink Plus (3c505) driver.
+3c509.txt
+        - information on the 3Com Etherlink III Series Ethernet cards.
 6pack.txt
         - info on the 6pack protocol, an alternative to KISS for AX.25
 DLINK.txt
         - info on the D-Link DE-600/DE-620 parallel port pocket adapters
 PLIP.txt
         - PLIP: The Parallel Line Internet Protocol device driver
+README.ipw2100
+        - README for the Intel PRO/Wireless 2100 driver.
+README.ipw2200
+        - README for the Intel PRO/Wireless 2915ABG and 2200BG driver.
 README.sb1000
         - info on General Instrument/NextLevel SURFboard1000 cable modem.
 alias.txt
@@ -20,8 +28,12 @@ atm.txt
         - info on where to get ATM programs and support for Linux.
 ax25.txt
         - info on using AX.25 and NET/ROM code for Linux
+batman-adv.txt
+        - B.A.T.M.A.N routing protocol on top of layer 2 Ethernet Frames.
 baycom.txt
         - info on the driver for Baycom style amateur radio modems
+bonding.txt
+        - Linux Ethernet Bonding Driver HOWTO: link aggregation in Linux.
 bridge.txt
         - where to get user space programs for ethernet bridging with Linux.
 can.txt
@@ -34,32 +46,60 @@ cxacru.txt
         - Conexant AccessRunner USB ADSL Modem
 cxacru-cf.py
         - Conexant AccessRunner USB ADSL Modem configuration file parser
+cxgb.txt
+        - Release Notes for the Chelsio N210 Linux device driver.
+dccp.txt
+        - the Datagram Congestion Control Protocol (DCCP) (RFC 4340..42).
 de4x5.txt
         - the Digital EtherWORKS DE4?? and DE5?? PCI Ethernet driver
 decnet.txt
         - info on using the DECnet networking layer in Linux.
 depca.txt
         - the Digital DEPCA/EtherWORKS DE1?? and DE2?? LANCE Ethernet driver
+dl2k.txt
+        - README for D-Link DL2000-based Gigabit Ethernet Adapters (dl2k.ko).
+dm9000.txt
+        - README for the Simtec DM9000 Network driver.
 dmfe.txt
         - info on the Davicom DM9102(A)/DM9132/DM9801 fast ethernet driver.
+dns_resolver.txt
+        - The DNS resolver module allows kernel servies to make DNS queries.
+driver.txt
+        - Softnet driver issues.
 e100.txt
         - info on Intel's EtherExpress PRO/100 line of 10/100 boards
 e1000.txt
         - info on Intel's E1000 line of gigabit ethernet boards
+e1000e.txt
+        - README for the Intel Gigabit Ethernet Driver (e1000e).
 eql.txt
         - serial IP load balancing
 ewrk3.txt
         - the Digital EtherWORKS 3 DE203/4/5 Ethernet driver
+fib_trie.txt
+        - Level Compressed Trie (LC-trie) notes: a structure for routing.
 filter.txt
         - Linux Socket Filtering
 fore200e.txt
         - FORE Systems PCA-200E/SBA-200E ATM NIC driver info.
 framerelay.txt
         - info on using Frame Relay/Data Link Connection Identifier (DLCI).
+gen_stats.txt
+        - Generic networking statistics for netlink users.
+generic_hdlc.txt
+        - The generic High Level Data Link Control (HDLC) layer.
 generic_netlink.txt
         - info on Generic Netlink
+gianfar.txt
+        - Gianfar Ethernet Driver.
 ieee802154.txt
         - Linux IEEE 802.15.4 implementation, API and drivers
+ifenslave.c
+        - Configure network interfaces for parallel routing (bonding).
+igb.txt
+        - README for the Intel Gigabit Ethernet Driver (igb).
+igbvf.txt
+        - README for the Intel Gigabit Ethernet Driver (igbvf).
 ip-sysctl.txt
         - /proc/sys/net/ipv4/* variables
 ip_dynaddr.txt
@@ -68,41 +108,117 @@ ipddp.txt
         - AppleTalk-IP Decapsulation and AppleTalk-IP Encapsulation
 iphase.txt
         - Interphase PCI ATM (i)Chip IA Linux driver info.
+ipv6.txt
+        - Options to the ipv6 kernel module.
+ipvs-sysctl.txt
+        - Per-inode explanation of the /proc/sys/net/ipv4/vs interface.
 irda.txt
         - where to get IrDA (infrared) utilities and info for Linux.
+ixgb.txt
+        - README for the Intel 10 Gigabit Ethernet Driver (ixgb).
+ixgbe.txt
+        - README for the Intel 10 Gigabit Ethernet Driver (ixgbe).
+ixgbevf.txt
+        - README for the Intel Virtual Function (VF) Driver (ixgbevf).
+l2tp.txt
+        - User guide to the L2TP tunnel protocol.
 lapb-module.txt
         - programming information of the LAPB module.
 ltpc.txt
         - the Apple or Farallon LocalTalk PC card driver
+mac80211-injection.txt
+        - HOWTO use packet injection with mac80211
 multicast.txt
         - Behaviour of cards under Multicast
+multiqueue.txt
+        - HOWTO for multiqueue network device support.
+netconsole.txt
+        - The network console module netconsole.ko: configuration and notes.
+netdev-features.txt
+        - Network interface features API description.
 netdevices.txt
         - info on network device driver functions exported to the kernel.
+netif-msg.txt
+        - Design of the network interface message level setting (NETIF_MSG_*).
+nfc.txt
+        - The Linux Near Field Communication (NFS) subsystem.
 olympic.txt
         - IBM PCI Pit/Pit-Phy/Olympic Token Ring driver info.
+operstates.txt
+        - Overview of network interface operational states.
+packet_mmap.txt
+        - User guide to memory mapped packet socket rings (PACKET_[RT]X_RING).
+phonet.txt
+        - The Phonet packet protocol used in Nokia cellular modems.
+phy.txt
+        - The PHY abstraction layer.
+pktgen.txt
+        - User guide to the kernel packet generator (pktgen.ko).
 policy-routing.txt
         - IP policy-based routing
+ppp_generic.txt
+        - Information about the generic PPP driver.
+proc_net_tcp.txt
+        - Per inode overview of the /proc/net/tcp and /proc/net/tcp6 interfaces.
+radiotap-headers.txt
+        - Background on radiotap headers.
 ray_cs.txt
         - Raylink Wireless LAN card driver info.
+rds.txt
+        - Background on the reliable, ordered datagram delivery method RDS.
+regulatory.txt
+        - Overview of the Linux wireless regulatory infrastructure.
+rxrpc.txt
+        - Guide to the RxRPC protocol.
+s2io.txt
+        - Release notes for Neterion Xframe I/II 10GbE driver.
+scaling.txt
+        - Explanation of network scaling techniques: RSS, RPS, RFS, aRFS, XPS.
+sctp.txt
+        - Notes on the Linux kernel implementation of the SCTP protocol.
+secid.txt
+        - Explanation of the secid member in flow structures.
 skfp.txt
         - SysKonnect FDDI (SK-5xxx, Compaq Netelligent) driver info.
 smc9.txt
         - the driver for SMC's 9000 series of Ethernet cards
 smctr.txt
         - SMC TokenCard TokenRing Linux driver info.
+spider-net.txt
+        - README for the Spidernet Driver (as found in PS3 / Cell BE).
+stmmac.txt
+        - README for the STMicro Synopsys Ethernet driver.
+tc-actions-env-rules.txt
+        - rules for traffic control (tc) actions.
+timestamping.txt
+        - overview of network packet timestamping variants.
 tcp.txt
         - short blurb on how TCP output takes place.
+tcp-thin.txt
+        - kernel tuning options for low rate 'thin' TCP streams.
 tlan.txt
         - ThunderLAN (Compaq Netelligent 10/100, Olicom OC-2xxx) driver info.
 tms380tr.txt
         - SysKonnect Token Ring ISA/PCI adapter driver info.
+tproxy.txt
+        - Transparent proxy support user guide.
 tuntap.txt
         - TUN/TAP device driver, allowing user space Rx/Tx of packets.
+udplite.txt
+        - UDP-Lite protocol (RFC 3828) introduction.
 vortex.txt
         - info on using 3Com Vortex (3c590, 3c592, 3c595, 3c597) Ethernet cards.
+vxge.txt
+        - README for the Neterion X3100 PCIe Server Adapter.
 x25.txt
         - general info on X.25 development.
 x25-iface.txt
         - description of the X.25 Packet Layer to LAPB device interface.
+xfrm_proc.txt
+        - description of the statistics package for XFRM.
+xfrm_sync.txt
+        - sync patches for XFRM enable migration of an SA between hosts.
+xfrm_sysctl.txt
+        - description of the XFRM configuration options.
 z8530drv.txt
         - info about Linux driver for Z8530 based HDLC cards for AX.25
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index db2a4067013c..81546990f41c 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -992,7 +992,7 @@ bindv6only - BOOLEAN
                 TRUE: disable IPv4-mapped address feature
                 FALSE: enable IPv4-mapped address feature
 
-        Default: FALSE (as specified in RFC2553bis)
+        Default: FALSE (as specified in RFC3493)
 
 IPv6 Fragmentation:
 
diff --git a/Documentation/networking/scaling.txt b/Documentation/networking/scaling.txt
index 7254b4b5910e..58fd7414e6c0 100644
--- a/Documentation/networking/scaling.txt
+++ b/Documentation/networking/scaling.txt
@@ -52,7 +52,8 @@ module parameter for specifying the number of hardware queues to
 configure. In the bnx2x driver, for instance, this parameter is called
 num_queues. A typical RSS configuration would be to have one receive queue
 for each CPU if the device supports enough queues, or otherwise at least
-one for each cache domain at a particular cache level (L1, L2, etc.).
+one for each memory domain, where a memory domain is a set of CPUs that
+share a particular memory level (L1, L2, NUMA node, etc.).
 
 The indirection table of an RSS device, which resolves a queue by masked
 hash, is usually programmed by the driver at initialization. The
@@ -82,11 +83,17 @@ RSS should be enabled when latency is a concern or whenever receive
 interrupt processing forms a bottleneck. Spreading load between CPUs
 decreases queue length. For low latency networking, the optimal setting
 is to allocate as many queues as there are CPUs in the system (or the
-NIC maximum, if lower). Because the aggregate number of interrupts grows
-with each additional queue, the most efficient high-rate configuration
+NIC maximum, if lower). The most efficient high-rate configuration
 is likely the one with the smallest number of receive queues where no
-CPU that processes receive interrupts reaches 100% utilization. Per-cpu
-load can be observed using the mpstat utility.
+receive queue overflows due to a saturated CPU, because in default
+mode with interrupt coalescing enabled, the aggregate number of
+interrupts (and thus work) grows with each additional queue.
+
+Per-cpu load can be observed using the mpstat utility, but note that on
+processors with hyperthreading (HT), each hyperthread is represented as
+a separate CPU. For interrupt handling, HT has shown no benefit in
+initial tests, so limit the number of queues to the number of CPU cores
+in the system.
 
 
 RPS: Receive Packet Steering
@@ -145,7 +152,7 @@ the bitmap.
 == Suggested Configuration
 
 For a single queue device, a typical RPS configuration would be to set
-the rps_cpus to the CPUs in the same cache domain of the interrupting
+the rps_cpus to the CPUs in the same memory domain of the interrupting
 CPU. If NUMA locality is not an issue, this could also be all CPUs in
 the system. At high interrupt rate, it might be wise to exclude the
 interrupting CPU from the map since that already performs much work.
@@ -154,7 +161,7 @@ For a multi-queue system, if RSS is configured so that a hardware
 receive queue is mapped to each CPU, then RPS is probably redundant
 and unnecessary. If there are fewer hardware queues than CPUs, then
 RPS might be beneficial if the rps_cpus for each queue are the ones that
-share the same cache domain as the interrupting CPU for that queue.
+share the same memory domain as the interrupting CPU for that queue.
 
 
 RFS: Receive Flow Steering
@@ -326,7 +333,7 @@ The queue chosen for transmitting a particular flow is saved in the
 corresponding socket structure for the flow (e.g. a TCP connection).
 This transmit queue is used for subsequent packets sent on the flow to
 prevent out of order (ooo) packets. The choice also amortizes the cost
-of calling get_xps_queues() over all packets in the connection. To avoid
+of calling get_xps_queues() over all packets in the flow. To avoid
 ooo packets, the queue for a flow can subsequently only be changed if
 skb->ooo_okay is set for a packet in the flow. This flag indicates that
 there are no outstanding packets in the flow, so the transmit queue can
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 4ce5450ab6e8..6066e3a6b9a9 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -431,8 +431,7 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
 
   void pm_runtime_irq_safe(struct device *dev);
     - set the power.irq_safe flag for the device, causing the runtime-PM
-      suspend and resume callbacks (but not the idle callback) to be invoked
-      with interrupts disabled
+      callbacks to be invoked with interrupts off
 
   void pm_runtime_mark_last_busy(struct device *dev);
     - set the power.last_busy field to the current time
diff --git a/MAINTAINERS b/MAINTAINERS
index 1d445f572987..1a8cc600067d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1883,7 +1883,7 @@ S:	Maintained
 F:      drivers/connector/
 
 CONTROL GROUPS (CGROUPS)
-M:      Paul Menage <menage@google.com>
+M:      Paul Menage <paul@paulmenage.org>
 M:      Li Zefan <lizf@cn.fujitsu.com>
 L:      containers@lists.linux-foundation.org
 S:      Maintained
@@ -1932,7 +1932,7 @@ S:	Maintained
 F:      tools/power/cpupower
 
 CPUSETS
-M:      Paul Menage <menage@google.com>
+M:      Paul Menage <paul@paulmenage.org>
 W:      http://www.bullopensource.org/cpuset/
 W:      http://oss.sgi.com/projects/cpusets/
 S:      Supported
@@ -4971,7 +4971,7 @@ M:	Paul Mackerras <paulus@samba.org>
 M:      Ingo Molnar <mingo@elte.hu>
 M:      Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
 S:      Supported
-F:      kernel/perf_event*.c
+F:      kernel/events/*
 F:      include/linux/perf_event.h
 F:      arch/*/kernel/perf_event*.c
 F:      arch/*/kernel/*/perf_event*.c
@@ -5532,6 +5532,7 @@ F:	include/media/*7146*
 
 SAMSUNG AUDIO (ASoC) DRIVERS
 M:      Jassi Brar <jassisinghbrar@gmail.com>
+M:      Sangbeom Kim <sbkim73@samsung.com>
 L:      alsa-devel@alsa-project.org (moderated for non-subscribers)
 S:      Supported
 F:      sound/soc/samsung
@@ -7087,7 +7088,7 @@ S:	Supported
 F:      drivers/mmc/host/vub300.c
 
 W1 DALLAS'S 1-WIRE BUS
-M:      Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+M:      Evgeniy Polyakov <zbr@ioremap.net>
 S:      Maintained
 F:      Documentation/w1/
 F:      drivers/w1/
diff --git a/Makefile b/Makefile
index 3241d41dfbff..c3e90c530a65 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 3
 PATCHLEVEL = 1
 SUBLEVEL = 0
-EXTRAVERSION = -rc2
-NAME = Wet Seal
+EXTRAVERSION = -rc4
+NAME = "Divemaster Edition"
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
diff --git a/arch/alpha/include/asm/sysinfo.h b/arch/alpha/include/asm/sysinfo.h
index 086aba284df2..e77d77cd07b8 100644
--- a/arch/alpha/include/asm/sysinfo.h
+++ b/arch/alpha/include/asm/sysinfo.h
@@ -27,13 +27,4 @@
 #define UAC_NOFIX                       2
 #define UAC_SIGBUS                      4
 
-
-#ifdef __KERNEL__
-
-/* This is the shift that is applied to the UAC bits as stored in the
-   per-thread flags.  See thread_info.h.  */
-#define UAC_SHIFT                       6
-
-#endif
-
 #endif /* __ASM_ALPHA_SYSINFO_H */
diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h
index 6f32f9c84a2d..ff73db022342 100644
--- a/arch/alpha/include/asm/thread_info.h
+++ b/arch/alpha/include/asm/thread_info.h
@@ -74,9 +74,9 @@ register struct thread_info *__current_thread_info __asm__("$8");
 #define TIF_NEED_RESCHED        3       /* rescheduling necessary */
 #define TIF_POLLING_NRFLAG      8       /* poll_idle is polling NEED_RESCHED */
 #define TIF_DIE_IF_KERNEL       9       /* dik recursion lock */
-#define TIF_UAC_NOPRINT         10      /* see sysinfo.h */
-#define TIF_UAC_NOFIX           11
-#define TIF_UAC_SIGBUS          12
+#define TIF_UAC_NOPRINT         10      /* ! Preserve sequence of following */
+#define TIF_UAC_NOFIX           11      /* ! flags as they match            */
+#define TIF_UAC_SIGBUS          12      /* ! userspace part of 'osf_sysinfo' */
 #define TIF_MEMDIE              13      /* is terminating due to OOM killer */
 #define TIF_RESTORE_SIGMASK     14      /* restore signal mask in do_signal */
 #define TIF_FREEZE              16      /* is freezing for suspend */
@@ -97,7 +97,7 @@ register struct thread_info *__current_thread_info __asm__("$8");
 #define _TIF_ALLWORK_MASK       (_TIF_WORK_MASK         \
                                  | _TIF_SYSCALL_TRACE)
 
-#define ALPHA_UAC_SHIFT         10
+#define ALPHA_UAC_SHIFT         TIF_UAC_NOPRINT
 #define ALPHA_UAC_MASK          (1 << TIF_UAC_NOPRINT | 1 << TIF_UAC_NOFIX | \
                                  1 << TIF_UAC_SIGBUS)
 
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 326f0a2d56e5..01e8715e26d9 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -42,6 +42,7 @@
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <asm/sysinfo.h>
+#include <asm/thread_info.h>
 #include <asm/hwrpb.h>
 #include <asm/processor.h>
 
@@ -633,9 +634,10 @@ SYSCALL_DEFINE5(osf_getsysinfo, unsigned long, op, void __user *, buffer,
         case GSI_UACPROC:
                 if (nbytes < sizeof(unsigned int))
                         return -EINVAL;
-                w = (current_thread_info()->flags >> UAC_SHIFT) & UAC_BITMASK;
-                if (put_user(w, (unsigned int __user *)buffer))
-                        return -EFAULT;
+                w = (current_thread_info()->flags >> ALPHA_UAC_SHIFT) &
+                        UAC_BITMASK;
+                if (put_user(w, (unsigned int __user *)buffer))
+                        return -EFAULT;
                 return 1;
 
         case GSI_PROC_TYPE:
@@ -756,8 +758,8 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer,
                         case SSIN_UACPROC:
                         again:
                                 old = current_thread_info()->flags;
-                                new = old & ~(UAC_BITMASK << UAC_SHIFT);
-                                new = new | (w & UAC_BITMASK) << UAC_SHIFT;
+                                new = old & ~(UAC_BITMASK << ALPHA_UAC_SHIFT);
+                                new = new | (w & UAC_BITMASK) << ALPHA_UAC_SHIFT;
                                 if (cmpxchg(&current_thread_info()->flags,
                                             old, new) != old)
                                         goto again;
diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index b9c28f3f1956..6acea1f96de3 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -360,7 +360,7 @@ sys_call_table:
         .quad sys_newuname
         .quad sys_nanosleep                     /* 340 */
         .quad sys_mremap
-        .quad sys_nfsservctl
+        .quad sys_ni_syscall                    /* old nfsservctl */
         .quad sys_setresuid
         .quad sys_getresuid
         .quad sys_pciconfig_read                /* 345 */
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 80f7896cc016..9943e9e74a1b 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -178,7 +178,7 @@
                 CALL(sys_ni_syscall)            /* vm86 */
                 CALL(sys_ni_syscall)            /* was sys_query_module */
                 CALL(sys_poll)
-                CALL(sys_nfsservctl)
+                CALL(sys_ni_syscall)            /* was nfsservctl */
 /* 170 */       CALL(sys_setresgid16)
                 CALL(sys_getresgid16)
                 CALL(sys_prctl)
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index ffd55b1c4396..b9b844683147 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3078,6 +3078,7 @@ static struct clk gpt12_fck = {
         .name           = "gpt12_fck",
         .ops            = &clkops_null,
         .parent         = &secure_32k_fck,
+        .clkdm_name     = "wkup_clkdm",
         .recalc         = &followparent_recalc,
 };
 
@@ -3085,6 +3086,7 @@ static struct clk wdt1_fck = {
         .name           = "wdt1_fck",
         .ops            = &clkops_null,
         .parent         = &secure_32k_fck,
+        .clkdm_name     = "wkup_clkdm",
         .recalc         = &followparent_recalc,
 };
 
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index a3a1827837e8..c0b6fbda3408 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -3376,6 +3376,8 @@ int __init omap4xxx_clk_init(void)
         } else if (cpu_is_omap446x()) {
                 cpu_mask = RATE_IN_4460;
                 cpu_clkflg = CK_446X;
+        } else {
+                return 0;
         }
 
         clk_init(&omap2_clk_functions);
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index ab7db083f97f..8f0890685d7b 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -747,6 +747,7 @@ int clkdm_wakeup(struct clockdomain *clkdm)
         spin_lock_irqsave(&clkdm->lock, flags);
         clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED;
         ret = arch_clkdm->clkdm_wakeup(clkdm);
+        ret |= pwrdm_state_switch(clkdm->pwrdm.ptr);
         spin_unlock_irqrestore(&clkdm->lock, flags);
         return ret;
 }
@@ -818,6 +819,7 @@ void clkdm_deny_idle(struct clockdomain *clkdm)
         spin_lock_irqsave(&clkdm->lock, flags);
         clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED;
         arch_clkdm->clkdm_deny_idle(clkdm);
+        pwrdm_state_switch(clkdm->pwrdm.ptr);
         spin_unlock_irqrestore(&clkdm->lock, flags);
 }
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index 16743c7d6e8e..408193d8e044 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -192,6 +192,7 @@ static struct omap_hwmod_addr_space omap2430_usbhsotg_addrs[] = {
                 .pa_end         = OMAP243X_HS_BASE + SZ_4K - 1,
                 .flags          = ADDR_TYPE_RT
         },
+        { }
 };
 
 /*  l4_core ->usbhsotg  interface */
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 3feb35911a32..472bf22d5e84 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -130,7 +130,6 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
                 } else {
                         hwsup = clkdm_in_hwsup(pwrdm->pwrdm_clkdms[0]);
                         clkdm_wakeup(pwrdm->pwrdm_clkdms[0]);
-                        pwrdm_wait_transition(pwrdm);
                         sleep_switch = FORCEWAKEUP_SWITCH;
                 }
         }
@@ -156,7 +155,6 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
                 return ret;
         }
 
-        pwrdm_wait_transition(pwrdm);
         pwrdm_state_switch(pwrdm);
 err:
         return ret;
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 9af08473bf10..ef71fdd40fc4 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -195,28 +195,35 @@ static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm, void *unused)
 
 /**
  * pwrdm_init - set up the powerdomain layer
- * @pwrdm_list: array of struct powerdomain pointers to register
+ * @pwrdms: array of struct powerdomain pointers to register
  * @custom_funcs: func pointers for arch specific implementations
  *
- * Loop through the array of powerdomains @pwrdm_list, registering all
- * that are available on the current CPU. If pwrdm_list is supplied
- * and not null, all of the referenced powerdomains will be
- * registered.  No return value.  XXX pwrdm_list is not really a
- * "list"; it is an array.  Rename appropriately.
+ * Loop through the array of powerdomains @pwrdms, registering all
+ * that are available on the current CPU.  Also, program all
+ * powerdomain target state as ON; this is to prevent domains from
+ * hitting low power states (if bootloader has target states set to
+ * something other than ON) and potentially even losing context while
+ * PM is not fully initialized.  The PM late init code can then program
+ * the desired target state for all the power domains.  No return
+ * value.
  */
-void pwrdm_init(struct powerdomain **pwrdm_list, struct pwrdm_ops *custom_funcs)
+void pwrdm_init(struct powerdomain **pwrdms, struct pwrdm_ops *custom_funcs)
 {
         struct powerdomain **p = NULL;
+        struct powerdomain *temp_p;
 
         if (!custom_funcs)
                 WARN(1, "powerdomain: No custom pwrdm functions registered\n");
         else
                 arch_pwrdm = custom_funcs;
 
-        if (pwrdm_list) {
-                for (p = pwrdm_list; *p; p++)
+        if (pwrdms) {
+                for (p = pwrdms; *p; p++)
                         _pwrdm_register(*p);
         }
+
+        list_for_each_entry(temp_p, &pwrdm_list, node)
+                pwrdm_set_next_pwrst(temp_p, PWRDM_POWER_ON);
 }
 
 /**
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index 9e0856b2f9e9..523f608eb8cf 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -1412,6 +1412,7 @@ static void __init ap4evb_init(void)
         fsi_init_pm_clock();
         sh7372_pm_init();
         pm_clk_add(&fsi_device.dev, "spu2");
+        pm_clk_add(&lcdc1_device.dev, "hdmi");
 }
 
 static void __init ap4evb_timer_init(void)
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index d41c01f83f15..0ea71f8d4b89 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -1588,6 +1588,7 @@ static void __init mackerel_init(void)
         hdmi_init_pm_clock();
         sh7372_pm_init();
         pm_clk_add(&fsi_device.dev, "spu2");
+        pm_clk_add(&hdmi_lcdc_device.dev, "hdmi");
 }
 
 static void __init mackerel_timer_init(void)
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c
index 6b1619a65dba..e6e11e4e2d43 100644
--- a/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/arch/arm/mach-shmobile/clock-sh7372.c
@@ -655,6 +655,8 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("renesas_usbhs.1", &mstp_clks[MSTP406]), /* USB1 */
         CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */
 
+        CLKDEV_ICK_ID("hdmi", "sh_mobile_lcdc_fb.1",
+                      &div6_reparent_clks[DIV6_HDMI]),
         CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]),
         CLKDEV_ICK_ID("icka", "sh_fsi2", &div6_reparent_clks[DIV6_FSIA]),
         CLKDEV_ICK_ID("ickb", "sh_fsi2", &div6_reparent_clks[DIV6_FSIB]),
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index b6b409744954..9a6a53854911 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -622,7 +622,8 @@ static struct dev_pm_domain omap_device_pm_domain = {
                 SET_RUNTIME_PM_OPS(_od_runtime_suspend, _od_runtime_resume,
                                    _od_runtime_idle)
                 USE_PLATFORM_PM_SLEEP_OPS
-                SET_SYSTEM_SLEEP_PM_OPS(_od_suspend_noirq, _od_resume_noirq)
+                .suspend_noirq = _od_suspend_noirq,
+                .resume_noirq = _od_resume_noirq,
         }
 };
 
diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S
index c7fd394d28a4..6eba53530d1c 100644
--- a/arch/avr32/kernel/syscall_table.S
+++ b/arch/avr32/kernel/syscall_table.S
@@ -158,7 +158,7 @@ sys_call_table:
         .long   sys_sched_rr_get_interval
         .long   sys_nanosleep
         .long   sys_poll
-        .long   sys_nfsservctl          /* 145 */
+        .long   sys_ni_syscall          /* 145 was nfsservctl */
         .long   sys_setresgid
         .long   sys_getresgid
         .long   sys_prctl
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 225d311c9701..e4137297b790 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -1543,7 +1543,7 @@ ENTRY(_sys_call_table)
         .long _sys_ni_syscall   /* for vm86 */
         .long _sys_ni_syscall   /* old "query_module" */
         .long _sys_ni_syscall   /* sys_poll */
-        .long _sys_nfsservctl
+        .long _sys_ni_syscall   /* old nfsservctl */
         .long _sys_setresgid    /* setresgid16 */       /* 170 */
         .long _sys_getresgid    /* getresgid16 */
         .long _sys_prctl
diff --git a/arch/cris/arch-v10/kernel/entry.S b/arch/cris/arch-v10/kernel/entry.S
index 1161883eb582..592fbe9dfb62 100644
--- a/arch/cris/arch-v10/kernel/entry.S
+++ b/arch/cris/arch-v10/kernel/entry.S
@@ -771,7 +771,7 @@ sys_call_table:
         .long sys_ni_syscall    /* sys_vm86 */
         .long sys_ni_syscall    /* Old sys_query_module */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* old nfsservctl */
         .long sys_setresgid16   /* 170 */
         .long sys_getresgid16
         .long sys_prctl
diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S
index 84fed7e91ada..c3ea4694fbaf 100644
--- a/arch/cris/arch-v32/kernel/entry.S
+++ b/arch/cris/arch-v32/kernel/entry.S
@@ -714,7 +714,7 @@ sys_call_table:
         .long sys_ni_syscall    /* sys_vm86 */
         .long sys_ni_syscall    /* Old sys_query_module */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* Old nfsservctl */
         .long sys_setresgid16   /* 170 */
         .long sys_getresgid16
         .long sys_prctl
diff --git a/arch/cris/include/asm/serial.h b/arch/cris/include/asm/serial.h
new file mode 100644
index 000000000000..af7535a955fb
--- /dev/null
+++ b/arch/cris/include/asm/serial.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_SERIAL_H
+#define _ASM_SERIAL_H
+
+/*
+ * This assumes you have a 1.8432 MHz clock for your UART.
+ */
+#define BASE_BAUD (1843200 / 16)
+
+#endif /* _ASM_SERIAL_H */
diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S
index 017d6d7b784f..5ba23f715ea5 100644
--- a/arch/frv/kernel/entry.S
+++ b/arch/frv/kernel/entry.S
@@ -1358,7 +1358,7 @@ sys_call_table:
         .long sys_ni_syscall    /* for vm86 */
         .long sys_ni_syscall    /* Old sys_query_module */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* Old nfsservctl */
         .long sys_setresgid16   /* 170 */
         .long sys_getresgid16
         .long sys_prctl
diff --git a/arch/h8300/kernel/syscalls.S b/arch/h8300/kernel/syscalls.S
index f4b2e67bcc34..4be2ea2fbe26 100644
--- a/arch/h8300/kernel/syscalls.S
+++ b/arch/h8300/kernel/syscalls.S
@@ -183,7 +183,7 @@ SYMBOL_NAME_LABEL(sys_call_table)
         .long SYMBOL_NAME(sys_ni_syscall)       /* for vm86 */
         .long SYMBOL_NAME(sys_ni_syscall)       /* sys_query_module */
         .long SYMBOL_NAME(sys_poll)
-        .long SYMBOL_NAME(sys_nfsservctl)
+        .long SYMBOL_NAME(sys_ni_syscall)       /* old nfsservctl */
         .long SYMBOL_NAME(sys_setresgid16)      /* 170 */
         .long SYMBOL_NAME(sys_getresgid16)
         .long SYMBOL_NAME(sys_prctl)
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 97dd2abdeb1a..198c753d1006 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1614,7 +1614,7 @@ sys_call_table:
         data8 sys_sched_get_priority_min
         data8 sys_sched_rr_get_interval
         data8 sys_nanosleep
-        data8 sys_nfsservctl
+        data8 sys_ni_syscall                    // old nfsservctl
         data8 sys_prctl                         // 1170
         data8 sys_getpagesize
         data8 sys_mmap2
diff --git a/arch/m32r/kernel/syscall_table.S b/arch/m32r/kernel/syscall_table.S
index 528f2e6ad064..f365c19795ef 100644
--- a/arch/m32r/kernel/syscall_table.S
+++ b/arch/m32r/kernel/syscall_table.S
@@ -168,7 +168,7 @@ ENTRY(sys_call_table)
         .long sys_tas                   /* vm86 syscall holder */
         .long sys_ni_syscall            /* query_module syscall holder */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall            /* was nfsservctl */
         .long sys_setresgid             /* 170 */
         .long sys_getresgid
         .long sys_prctl
diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h
index 31d5570d6567..89f201434b5a 100644
--- a/arch/m68k/include/asm/page_mm.h
+++ b/arch/m68k/include/asm/page_mm.h
@@ -162,7 +162,7 @@ static inline __attribute_const__ int __virt_to_node_shift(void)
         pgdat->node_mem_map + (__pfn - pgdat->node_start_pfn);          \
 })
 #define page_to_pfn(_page) ({                                           \
-        struct page *__p = (_page);                                     \
+        const struct page *__p = (_page);                               \
         struct pglist_data *pgdat;                                      \
         pgdat = &pg_data_map[page_to_nid(__p)];                         \
         ((__p) - pgdat->node_mem_map) + pgdat->node_start_pfn;          \
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index 00d1452f9571..c468f2edaa85 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -189,7 +189,7 @@ ENTRY(sys_call_table)
         .long sys_getpagesize
         .long sys_ni_syscall            /* old "query_module" */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall            /* old nfsservctl */
         .long sys_setresgid16           /* 170 */
         .long sys_getresgid16
         .long sys_prctl
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index d915a122c865..8789daa2a346 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -173,7 +173,7 @@ ENTRY(sys_call_table)
         .long sys_ni_syscall            /* sys_vm86 */
         .long sys_ni_syscall            /* Old sys_query_module */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall            /* old nfsservctl */
         .long sys_setresgid             /* 170 */
         .long sys_getresgid
         .long sys_prctl
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index e521420a45a5..865bc7a6f5a1 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -424,7 +424,7 @@ einval:	li	v0, -ENOSYS
         sys     sys_getresuid           3
         sys     sys_ni_syscall          0       /* was sys_query_module */
         sys     sys_poll                3
-        sys     sys_nfsservctl          3
+        sys     sys_ni_syscall          0       /* was nfsservctl */
         sys     sys_setresgid           3       /* 4190 */
         sys     sys_getresgid           3
         sys     sys_prctl               5
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 85874d6a8a70..fb7334bea731 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -299,7 +299,7 @@ sys_call_table:
         PTR     sys_ni_syscall                  /* 5170, was get_kernel_syms */
         PTR     sys_ni_syscall                  /* was query_module */
         PTR     sys_quotactl
-        PTR     sys_nfsservctl
+        PTR     sys_ni_syscall                  /* was nfsservctl */
         PTR     sys_ni_syscall                  /* res. for getpmsg */
         PTR     sys_ni_syscall                  /* 5175  for putpmsg */
         PTR     sys_ni_syscall                  /* res. for afs_syscall */
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index b85842fc87ae..f9296e894e46 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -294,7 +294,7 @@ EXPORT(sysn32_call_table)
         PTR     sys_ni_syscall                  /* 6170, was get_kernel_syms */
         PTR     sys_ni_syscall                  /* was query_module */
         PTR     sys_quotactl
-        PTR     compat_sys_nfsservctl
+        PTR     sys_ni_syscall                  /* was nfsservctl */
         PTR     sys_ni_syscall                  /* res. for getpmsg */
         PTR     sys_ni_syscall                  /* 6175  for putpmsg */
         PTR     sys_ni_syscall                  /* res. for afs_syscall */
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 46c4763edf21..4d7c9827706f 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -392,7 +392,7 @@ sys_call_table:
         PTR     sys_getresuid
         PTR     sys_ni_syscall                  /* was query_module */
         PTR     sys_poll
-        PTR     compat_sys_nfsservctl
+        PTR     sys_ni_syscall                  /* was nfsservctl */
         PTR     sys_setresgid                   /* 4190 */
         PTR     sys_getresgid
         PTR     sys_prctl
diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index ae435e1d5669..3e3620d9fc45 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -589,7 +589,7 @@ ENTRY(sys_call_table)
         .long sys_ni_syscall    /* vm86 */
         .long sys_ni_syscall    /* Old sys_query_module */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* was nfsservctl */
         .long sys_setresgid16   /* 170 */
         .long sys_getresgid16
         .long sys_prctl
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 2de8551df40f..c65f75aa7ff7 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -54,6 +54,7 @@
 #define ODSR_CLEAR              0x1c00
 #define LTLEECSR_ENABLE_ALL     0xFFC000FC
 #define ESCSR_CLEAR             0x07120204
+#define IECSR_CLEAR             0x80000000
 
 #define RIO_PORT1_EDCSR         0x0640
 #define RIO_PORT2_EDCSR         0x0680
@@ -1089,11 +1090,11 @@ static void port_error_handler(struct rio_mport *port, int offset)
 
         if (offset == 0) {
                 out_be32((u32 *)(rio_regs_win + RIO_PORT1_EDCSR), 0);
-                out_be32((u32 *)(rio_regs_win + RIO_PORT1_IECSR), 0);
+                out_be32((u32 *)(rio_regs_win + RIO_PORT1_IECSR), IECSR_CLEAR);
                 out_be32((u32 *)(rio_regs_win + RIO_ESCSR), ESCSR_CLEAR);
         } else {
                 out_be32((u32 *)(rio_regs_win + RIO_PORT2_EDCSR), 0);
-                out_be32((u32 *)(rio_regs_win + RIO_PORT2_IECSR), 0);
+                out_be32((u32 *)(rio_regs_win + RIO_PORT2_IECSR), IECSR_CLEAR);
                 out_be32((u32 *)(rio_regs_win + RIO_PORT2_ESCSR), ESCSR_CLEAR);
         }
 }
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 08ab9aa6a0d5..7526db6bf501 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -665,12 +665,6 @@ ENTRY(sys32_poll_wrapper)
         lgfr    %r4,%r4                 # long
         jg      sys_poll                # branch to system call
 
-ENTRY(compat_sys_nfsservctl_wrapper)
-        lgfr    %r2,%r2                 # int
-        llgtr   %r3,%r3                 # struct compat_nfsctl_arg*
-        llgtr   %r4,%r4                 # union compat_nfsctl_res*
-        jg      compat_sys_nfsservctl   # branch to system call
-
 ENTRY(sys32_setresgid16_wrapper)
         llgfr   %r2,%r2                 # __kernel_old_gid_emu31_t
         llgfr   %r3,%r3                 # __kernel_old_gid_emu31_t
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 068f8465c4ee..f297456dba7a 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -396,17 +396,19 @@ static __init void detect_machine_facilities(void)
 static __init void rescue_initrd(void)
 {
 #ifdef CONFIG_BLK_DEV_INITRD
+        unsigned long min_initrd_addr = (unsigned long) _end + (4UL << 20);
         /*
-         * Move the initrd right behind the bss section in case it starts
-         * within the bss section. So we don't overwrite it when the bss
-         * section gets cleared.
+         * Just like in case of IPL from VM reader we make sure there is a
+         * gap of 4MB between end of kernel and start of initrd.
+         * That way we can also be sure that saving an NSS will succeed,
+         * which however only requires different segments.
          */
         if (!INITRD_START || !INITRD_SIZE)
                 return;
-        if (INITRD_START >= (unsigned long) __bss_stop)
+        if (INITRD_START >= min_initrd_addr)
                 return;
-        memmove(__bss_stop, (void *) INITRD_START, INITRD_SIZE);
-        INITRD_START = (unsigned long) __bss_stop;
+        memmove((void *) min_initrd_addr, (void *) INITRD_START, INITRD_SIZE);
+        INITRD_START = min_initrd_addr;
 #endif
 }
 
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 04361d5a4279..48c710206366 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -1220,7 +1220,7 @@ static int __init reipl_fcp_init(void)
         /* sysfs: create fcp kset for mixing attr group and bin attrs */
         reipl_fcp_kset = kset_create_and_add(IPL_FCP_STR, NULL,
                                              &reipl_kset->kobj);
-        if (!reipl_kset) {
+        if (!reipl_fcp_kset) {
                 free_page((unsigned long) reipl_block_fcp);
                 return -ENOMEM;
         }
@@ -1618,7 +1618,8 @@ static struct shutdown_action vmcmd_action = {SHUTDOWN_ACTION_VMCMD_STR,
 
 static void stop_run(struct shutdown_trigger *trigger)
 {
-        if (strcmp(trigger->name, ON_PANIC_STR) == 0)
+        if (strcmp(trigger->name, ON_PANIC_STR) == 0 ||
+            strcmp(trigger->name, ON_RESTART_STR) == 0)
                 disabled_wait((unsigned long) __builtin_return_address(0));
         while (sigp(smp_processor_id(), sigp_stop) == sigp_busy)
                 cpu_relax();
@@ -1717,7 +1718,7 @@ static void do_panic(void)
 /* on restart */
 
 static struct shutdown_trigger on_restart_trigger = {ON_RESTART_STR,
-        &reipl_action};
+        &stop_action};
 
 static ssize_t on_restart_show(struct kobject *kobj,
                                struct kobj_attribute *attr, char *page)
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 6ee39ef8fe4a..73eb08c874fb 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -177,7 +177,7 @@ SYSCALL(sys_getresuid16,sys_ni_syscall,sys32_getresuid16_wrapper)	/* 165 old get
 NI_SYSCALL                                                      /* for vm86 */
 NI_SYSCALL                                                      /* old sys_query_module */
 SYSCALL(sys_poll,sys_poll,sys32_poll_wrapper)
-SYSCALL(sys_nfsservctl,sys_nfsservctl,compat_sys_nfsservctl_wrapper)
+NI_SYSCALL                                                      /* old nfsservctl */
 SYSCALL(sys_setresgid16,sys_ni_syscall,sys32_setresgid16_wrapper)       /* 170 old setresgid16 syscall */
 SYSCALL(sys_getresgid16,sys_ni_syscall,sys32_getresgid16_wrapper)       /* old getresgid16 syscall */
 SYSCALL(sys_prctl,sys_prctl,sys32_prctl_wrapper)
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index 39b051de4c7c..293e39c59c00 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -185,7 +185,7 @@ ENTRY(sys_call_table)
         .long sys_ni_syscall    /* vm86 */
         .long sys_ni_syscall    /* old "query_module" */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* was nfsservctl */
         .long sys_setresgid16   /* 170 */
         .long sys_getresgid16
         .long sys_prctl
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index 089c4d825d08..ceb34b94afa9 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -189,7 +189,7 @@ sys_call_table:
         .long sys_ni_syscall    /* vm86 */
         .long sys_ni_syscall    /* old "query_module" */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* was nfsservctl */
         .long sys_setresgid16           /* 170 */
         .long sys_getresgid16
         .long sys_prctl
diff --git a/arch/sparc/include/asm/sigcontext.h b/arch/sparc/include/asm/sigcontext.h
index a1607d180354..69914d748130 100644
--- a/arch/sparc/include/asm/sigcontext.h
+++ b/arch/sparc/include/asm/sigcontext.h
@@ -45,6 +45,19 @@ typedef struct {
         int                     si_mask;
 } __siginfo32_t;
 
+#define __SIGC_MAXWIN   7
+
+typedef struct {
+        unsigned long locals[8];
+        unsigned long ins[8];
+} __siginfo_reg_window;
+
+typedef struct {
+        int                     wsaved;
+        __siginfo_reg_window    reg_window[__SIGC_MAXWIN];
+        unsigned long           rwbuf_stkptrs[__SIGC_MAXWIN];
+} __siginfo_rwin_t;
+
 #ifdef CONFIG_SPARC64
 typedef struct {
         unsigned   int si_float_regs [64];
@@ -73,6 +86,7 @@ struct sigcontext {
                 unsigned long   ss_size;
         }                       sigc_stack;
         unsigned long           sigc_mask;
+        __siginfo_rwin_t *      sigc_rwin_save;
 };
 
 #else
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index b90b4a1d070a..cb85458f89d2 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_SPARC32)   += sun4m_irq.o sun4c_irq.o sun4d_irq.o
 
 obj-y                   += process_$(BITS).o
 obj-y                   += signal_$(BITS).o
+obj-y                   += sigutil_$(BITS).o
 obj-$(CONFIG_SPARC32)   += ioport.o
 obj-y                   += setup_$(BITS).o
 obj-y                   += idprom.o
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 75fad425e249..1ba95aff5d59 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -29,6 +29,8 @@
 #include <asm/visasm.h>
 #include <asm/compat_signal.h>
 
+#include "sigutil.h"
+
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
 /* This magic should be in g_upper[0] for all upper parts
@@ -44,14 +46,14 @@ typedef struct {
 struct signal_frame32 {
         struct sparc_stackf32   ss;
         __siginfo32_t           info;
-        /* __siginfo_fpu32_t * */ u32 fpu_save;
+        /* __siginfo_fpu_t * */ u32 fpu_save;
         unsigned int            insns[2];
         unsigned int            extramask[_COMPAT_NSIG_WORDS - 1];
         unsigned int            extra_size; /* Should be sizeof(siginfo_extra_v8plus_t) */
         /* Only valid if (info.si_regs.psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS */
         siginfo_extra_v8plus_t  v8plus;
-        __siginfo_fpu_t         fpu_state;
-};
+        /* __siginfo_rwin_t * */u32 rwin_save;
+} __attribute__((aligned(8)));
 
 typedef struct compat_siginfo{
         int si_signo;
@@ -110,18 +112,14 @@ struct rt_signal_frame32 {
         compat_siginfo_t        info;
         struct pt_regs32        regs;
         compat_sigset_t         mask;
-        /* __siginfo_fpu32_t * */ u32 fpu_save;
+        /* __siginfo_fpu_t * */ u32 fpu_save;
         unsigned int            insns[2];
         stack_t32               stack;
         unsigned int            extra_size; /* Should be sizeof(siginfo_extra_v8plus_t) */
         /* Only valid if (regs.psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS */
         siginfo_extra_v8plus_t  v8plus;
-        __siginfo_fpu_t         fpu_state;
-};
-
-/* Align macros */
-#define SF_ALIGNEDSZ  (((sizeof(struct signal_frame32) + 15) & (~15)))
-#define RT_ALIGNEDSZ  (((sizeof(struct rt_signal_frame32) + 15) & (~15)))
+        /* __siginfo_rwin_t * */u32 rwin_save;
+} __attribute__((aligned(8)));
 
 int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
 {
@@ -192,30 +190,13 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
         return 0;
 }
 
-static int restore_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        unsigned long *fpregs = current_thread_info()->fpregs;
-        unsigned long fprs;
-        int err;
-        
-        err = __get_user(fprs, &fpu->si_fprs);
-        fprs_write(0);
-        regs->tstate &= ~TSTATE_PEF;
-        if (fprs & FPRS_DL)
-                err |= copy_from_user(fpregs, &fpu->si_float_regs[0], (sizeof(unsigned int) * 32));
-        if (fprs & FPRS_DU)
-                err |= copy_from_user(fpregs+16, &fpu->si_float_regs[32], (sizeof(unsigned int) * 32));
-        err |= __get_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
-        err |= __get_user(current_thread_info()->gsr[0], &fpu->si_gsr);
-        current_thread_info()->fpsaved[0] |= fprs;
-        return err;
-}
-
 void do_sigreturn32(struct pt_regs *regs)
 {
         struct signal_frame32 __user *sf;
+        compat_uptr_t fpu_save;
+        compat_uptr_t rwin_save;
         unsigned int psr;
-        unsigned pc, npc, fpu_save;
+        unsigned pc, npc;
         sigset_t set;
         unsigned seta[_COMPAT_NSIG_WORDS];
         int err, i;
@@ -273,8 +254,13 @@ void do_sigreturn32(struct pt_regs *regs)
         pt_regs_clear_syscall(regs);
 
         err |= __get_user(fpu_save, &sf->fpu_save);
-        if (fpu_save)
-                err |= restore_fpu_state32(regs, &sf->fpu_state);
+        if (!err && fpu_save)
+                err |= restore_fpu_state(regs, compat_ptr(fpu_save));
+        err |= __get_user(rwin_save, &sf->rwin_save);
+        if (!err && rwin_save) {
+                if (restore_rwin_state(compat_ptr(rwin_save)))
+                        goto segv;
+        }
         err |= __get_user(seta[0], &sf->info.si_mask);
         err |= copy_from_user(seta+1, &sf->extramask,
                               (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
@@ -300,7 +286,9 @@ segv:
 asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
 {
         struct rt_signal_frame32 __user *sf;
-        unsigned int psr, pc, npc, fpu_save, u_ss_sp;
+        unsigned int psr, pc, npc, u_ss_sp;
+        compat_uptr_t fpu_save;
+        compat_uptr_t rwin_save;
         mm_segment_t old_fs;
         sigset_t set;
         compat_sigset_t seta;
@@ -359,8 +347,8 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
         pt_regs_clear_syscall(regs);
 
         err |= __get_user(fpu_save, &sf->fpu_save);
-        if (fpu_save)
-                err |= restore_fpu_state32(regs, &sf->fpu_state);
+        if (!err && fpu_save)
+                err |= restore_fpu_state(regs, compat_ptr(fpu_save));
         err |= copy_from_user(&seta, &sf->mask, sizeof(compat_sigset_t));
         err |= __get_user(u_ss_sp, &sf->stack.ss_sp);
         st.ss_sp = compat_ptr(u_ss_sp);
@@ -376,6 +364,12 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
         do_sigaltstack((stack_t __user *) &st, NULL, (unsigned long)sf);
         set_fs(old_fs);
         
+        err |= __get_user(rwin_save, &sf->rwin_save);
+        if (!err && rwin_save) {
+                if (restore_rwin_state(compat_ptr(rwin_save)))
+                        goto segv;
+        }
+
         switch (_NSIG_WORDS) {
                 case 4: set.sig[3] = seta.sig[6] + (((long)seta.sig[7]) << 32);
                 case 3: set.sig[2] = seta.sig[4] + (((long)seta.sig[5]) << 32);
@@ -433,26 +427,6 @@ static void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, uns
         return (void __user *) sp;
 }
 
-static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        unsigned long *fpregs = current_thread_info()->fpregs;
-        unsigned long fprs;
-        int err = 0;
-        
-        fprs = current_thread_info()->fpsaved[0];
-        if (fprs & FPRS_DL)
-                err |= copy_to_user(&fpu->si_float_regs[0], fpregs,
-                                    (sizeof(unsigned int) * 32));
-        if (fprs & FPRS_DU)
-                err |= copy_to_user(&fpu->si_float_regs[32], fpregs+16,
-                                    (sizeof(unsigned int) * 32));
-        err |= __put_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
-        err |= __put_user(current_thread_info()->gsr[0], &fpu->si_gsr);
-        err |= __put_user(fprs, &fpu->si_fprs);
-
-        return err;
-}
-
 /* The I-cache flush instruction only works in the primary ASI, which
  * right now is the nucleus, aka. kernel space.
  *
@@ -515,18 +489,23 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                          int signo, sigset_t *oldset)
 {
         struct signal_frame32 __user *sf;
+        int i, err, wsaved;
+        void __user *tail;
         int sigframe_size;
         u32 psr;
-        int i, err;
         unsigned int seta[_COMPAT_NSIG_WORDS];
 
         /* 1. Make sure everything is clean */
         synchronize_user_stack();
         save_and_clear_fpu();
         
-        sigframe_size = SF_ALIGNEDSZ;
-        if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
-                sigframe_size -= sizeof(__siginfo_fpu_t);
+        wsaved = get_thread_wsaved();
+
+        sigframe_size = sizeof(*sf);
+        if (current_thread_info()->fpsaved[0] & FPRS_FEF)
+                sigframe_size += sizeof(__siginfo_fpu_t);
+        if (wsaved)
+                sigframe_size += sizeof(__siginfo_rwin_t);
 
         sf = (struct signal_frame32 __user *)
                 get_sigframe(&ka->sa, regs, sigframe_size);
@@ -534,8 +513,7 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
         if (invalid_frame_pointer(sf, sigframe_size))
                 goto sigill;
 
-        if (get_thread_wsaved() != 0)
-                goto sigill;
+        tail = (sf + 1);
 
         /* 2. Save the current process state */
         if (test_thread_flag(TIF_32BIT)) {
@@ -560,11 +538,22 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                           &sf->v8plus.asi);
 
         if (psr & PSR_EF) {
-                err |= save_fpu_state32(regs, &sf->fpu_state);
-                err |= __put_user((u64)&sf->fpu_state, &sf->fpu_save);
+                __siginfo_fpu_t __user *fp = tail;
+                tail += sizeof(*fp);
+                err |= save_fpu_state(regs, fp);
+                err |= __put_user((u64)fp, &sf->fpu_save);
         } else {
                 err |= __put_user(0, &sf->fpu_save);
         }
+        if (wsaved) {
+                __siginfo_rwin_t __user *rwp = tail;
+                tail += sizeof(*rwp);
+                err |= save_rwin_state(wsaved, rwp);
+                err |= __put_user((u64)rwp, &sf->rwin_save);
+                set_thread_wsaved(0);
+        } else {
+                err |= __put_user(0, &sf->rwin_save);
+        }
 
         switch (_NSIG_WORDS) {
         case 4: seta[7] = (oldset->sig[3] >> 32);
@@ -580,10 +569,21 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
         err |= __copy_to_user(sf->extramask, seta + 1,
                               (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
 
-        err |= copy_in_user((u32 __user *)sf,
-                            (u32 __user *)(regs->u_regs[UREG_FP]),
-                            sizeof(struct reg_window32));
-        
+        if (!wsaved) {
+                err |= copy_in_user((u32 __user *)sf,
+                                    (u32 __user *)(regs->u_regs[UREG_FP]),
+                                    sizeof(struct reg_window32));
+        } else {
+                struct reg_window *rp;
+
+                rp = &current_thread_info()->reg_window[wsaved - 1];
+                for (i = 0; i < 8; i++)
+                        err |= __put_user(rp->locals[i], &sf->ss.locals[i]);
+                for (i = 0; i < 6; i++)
+                        err |= __put_user(rp->ins[i], &sf->ss.ins[i]);
+                err |= __put_user(rp->ins[6], &sf->ss.fp);
+                err |= __put_user(rp->ins[7], &sf->ss.callers_pc);
+        }       
         if (err)
                 goto sigsegv;
 
@@ -613,7 +613,6 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                 err |= __put_user(0x91d02010, &sf->insns[1]); /*t 0x10*/
                 if (err)
                         goto sigsegv;
-
                 flush_signal_insns(address);
         }
         return 0;
@@ -632,18 +631,23 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                             siginfo_t *info)
 {
         struct rt_signal_frame32 __user *sf;
+        int i, err, wsaved;
+        void __user *tail;
         int sigframe_size;
         u32 psr;
-        int i, err;
         compat_sigset_t seta;
 
         /* 1. Make sure everything is clean */
         synchronize_user_stack();
         save_and_clear_fpu();
         
-        sigframe_size = RT_ALIGNEDSZ;
-        if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
-                sigframe_size -= sizeof(__siginfo_fpu_t);
+        wsaved = get_thread_wsaved();
+
+        sigframe_size = sizeof(*sf);
+        if (current_thread_info()->fpsaved[0] & FPRS_FEF)
+                sigframe_size += sizeof(__siginfo_fpu_t);
+        if (wsaved)
+                sigframe_size += sizeof(__siginfo_rwin_t);
 
         sf = (struct rt_signal_frame32 __user *)
                 get_sigframe(&ka->sa, regs, sigframe_size);
@@ -651,8 +655,7 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
         if (invalid_frame_pointer(sf, sigframe_size))
                 goto sigill;
 
-        if (get_thread_wsaved() != 0)
-                goto sigill;
+        tail = (sf + 1);
 
         /* 2. Save the current process state */
         if (test_thread_flag(TIF_32BIT)) {
@@ -677,11 +680,22 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                           &sf->v8plus.asi);
 
         if (psr & PSR_EF) {
-                err |= save_fpu_state32(regs, &sf->fpu_state);
-                err |= __put_user((u64)&sf->fpu_state, &sf->fpu_save);
+                __siginfo_fpu_t __user *fp = tail;
+                tail += sizeof(*fp);
+                err |= save_fpu_state(regs, fp);
+                err |= __put_user((u64)fp, &sf->fpu_save);
         } else {
                 err |= __put_user(0, &sf->fpu_save);
         }
+        if (wsaved) {
+                __siginfo_rwin_t __user *rwp = tail;
+                tail += sizeof(*rwp);
+                err |= save_rwin_state(wsaved, rwp);
+                err |= __put_user((u64)rwp, &sf->rwin_save);
+                set_thread_wsaved(0);
+        } else {
+                err |= __put_user(0, &sf->rwin_save);
+        }
 
         /* Update the siginfo structure.  */
         err |= copy_siginfo_to_user32(&sf->info, info);
@@ -703,9 +717,21 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
         }
         err |= __copy_to_user(&sf->mask, &seta, sizeof(compat_sigset_t));
 
-        err |= copy_in_user((u32 __user *)sf,
-                            (u32 __user *)(regs->u_regs[UREG_FP]),
-                            sizeof(struct reg_window32));
+        if (!wsaved) {
+                err |= copy_in_user((u32 __user *)sf,
+                                    (u32 __user *)(regs->u_regs[UREG_FP]),
+                                    sizeof(struct reg_window32));
+        } else {
+                struct reg_window *rp;
+
+                rp = &current_thread_info()->reg_window[wsaved - 1];
+                for (i = 0; i < 8; i++)
+                        err |= __put_user(rp->locals[i], &sf->ss.locals[i]);
+                for (i = 0; i < 6; i++)
+                        err |= __put_user(rp->ins[i], &sf->ss.ins[i]);
+                err |= __put_user(rp->ins[6], &sf->ss.fp);
+                err |= __put_user(rp->ins[7], &sf->ss.callers_pc);
+        }
         if (err)
                 goto sigsegv;
         
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 5e5c5fd03783..04ede8f04add 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -26,6 +26,8 @@
 #include <asm/pgtable.h>
 #include <asm/cacheflush.h>     /* flush_sig_insns */
 
+#include "sigutil.h"
+
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
 extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
@@ -39,8 +41,8 @@ struct signal_frame {
         unsigned long           insns[2] __attribute__ ((aligned (8)));
         unsigned int            extramask[_NSIG_WORDS - 1];
         unsigned int            extra_size; /* Should be 0 */
-        __siginfo_fpu_t         fpu_state;
-};
+        __siginfo_rwin_t __user *rwin_save;
+} __attribute__((aligned(8)));
 
 struct rt_signal_frame {
         struct sparc_stackf     ss;
@@ -51,8 +53,8 @@ struct rt_signal_frame {
         unsigned int            insns[2];
         stack_t                 stack;
         unsigned int            extra_size; /* Should be 0 */
-        __siginfo_fpu_t         fpu_state;
-};
+        __siginfo_rwin_t __user *rwin_save;
+} __attribute__((aligned(8)));
 
 /* Align macros */
 #define SF_ALIGNEDSZ  (((sizeof(struct signal_frame) + 7) & (~7)))
@@ -79,43 +81,13 @@ asmlinkage int sys_sigsuspend(old_sigset_t set)
         return _sigpause_common(set);
 }
 
-static inline int
-restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        int err;
-#ifdef CONFIG_SMP
-        if (test_tsk_thread_flag(current, TIF_USEDFPU))
-                regs->psr &= ~PSR_EF;
-#else
-        if (current == last_task_used_math) {
-                last_task_used_math = NULL;
-                regs->psr &= ~PSR_EF;
-        }
-#endif
-        set_used_math();
-        clear_tsk_thread_flag(current, TIF_USEDFPU);
-
-        if (!access_ok(VERIFY_READ, fpu, sizeof(*fpu)))
-                return -EFAULT;
-
-        err = __copy_from_user(&current->thread.float_regs[0], &fpu->si_float_regs[0],
-                               (sizeof(unsigned long) * 32));
-        err |= __get_user(current->thread.fsr, &fpu->si_fsr);
-        err |= __get_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
-        if (current->thread.fpqdepth != 0)
-                err |= __copy_from_user(&current->thread.fpqueue[0],
-                                        &fpu->si_fpqueue[0],
-                                        ((sizeof(unsigned long) +
-                                        (sizeof(unsigned long *)))*16));
-        return err;
-}
-
 asmlinkage void do_sigreturn(struct pt_regs *regs)
 {
         struct signal_frame __user *sf;
         unsigned long up_psr, pc, npc;
         sigset_t set;
         __siginfo_fpu_t __user *fpu_save;
+        __siginfo_rwin_t __user *rwin_save;
         int err;
 
         /* Always make any pending restarted system calls return -EINTR */
@@ -150,9 +122,11 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
         pt_regs_clear_syscall(regs);
 
         err |= __get_user(fpu_save, &sf->fpu_save);
-
         if (fpu_save)
                 err |= restore_fpu_state(regs, fpu_save);
+        err |= __get_user(rwin_save, &sf->rwin_save);
+        if (rwin_save)
+                err |= restore_rwin_state(rwin_save);
 
         /* This is pretty much atomic, no amount locking would prevent
          * the races which exist anyways.
@@ -180,6 +154,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
         struct rt_signal_frame __user *sf;
         unsigned int psr, pc, npc;
         __siginfo_fpu_t __user *fpu_save;
+        __siginfo_rwin_t __user *rwin_save;
         mm_segment_t old_fs;
         sigset_t set;
         stack_t st;
@@ -207,8 +182,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
         pt_regs_clear_syscall(regs);
 
         err |= __get_user(fpu_save, &sf->fpu_save);
-
-        if (fpu_save)
+        if (!err && fpu_save)
                 err |= restore_fpu_state(regs, fpu_save);
         err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));
         
@@ -228,6 +202,12 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
         do_sigaltstack((const stack_t __user *) &st, NULL, (unsigned long)sf);
         set_fs(old_fs);
 
+        err |= __get_user(rwin_save, &sf->rwin_save);
+        if (!err && rwin_save) {
+                if (restore_rwin_state(rwin_save))
+                        goto segv;
+        }
+
         sigdelsetmask(&set, ~_BLOCKABLE);
         spin_lock_irq(&current->sighand->siglock);
         current->blocked = set;
@@ -280,53 +260,23 @@ static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *re
         return (void __user *) sp;
 }
 
-static inline int
-save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        int err = 0;
-#ifdef CONFIG_SMP
-        if (test_tsk_thread_flag(current, TIF_USEDFPU)) {
-                put_psr(get_psr() | PSR_EF);
-                fpsave(&current->thread.float_regs[0], &current->thread.fsr,
-                       &current->thread.fpqueue[0], &current->thread.fpqdepth);
-                regs->psr &= ~(PSR_EF);
-                clear_tsk_thread_flag(current, TIF_USEDFPU);
-        }
-#else
-        if (current == last_task_used_math) {
-                put_psr(get_psr() | PSR_EF);
-                fpsave(&current->thread.float_regs[0], &current->thread.fsr,
-                       &current->thread.fpqueue[0], &current->thread.fpqdepth);
-                last_task_used_math = NULL;
-                regs->psr &= ~(PSR_EF);
-        }
-#endif
-        err |= __copy_to_user(&fpu->si_float_regs[0],
-                              &current->thread.float_regs[0],
-                              (sizeof(unsigned long) * 32));
-        err |= __put_user(current->thread.fsr, &fpu->si_fsr);
-        err |= __put_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
-        if (current->thread.fpqdepth != 0)
-                err |= __copy_to_user(&fpu->si_fpqueue[0],
-                                      &current->thread.fpqueue[0],
-                                      ((sizeof(unsigned long) +
-                                      (sizeof(unsigned long *)))*16));
-        clear_used_math();
-        return err;
-}
-
 static int setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
                        int signo, sigset_t *oldset)
 {
         struct signal_frame __user *sf;
-        int sigframe_size, err;
+        int sigframe_size, err, wsaved;
+        void __user *tail;
 
         /* 1. Make sure everything is clean */
         synchronize_user_stack();
 
-        sigframe_size = SF_ALIGNEDSZ;
-        if (!used_math())
-                sigframe_size -= sizeof(__siginfo_fpu_t);
+        wsaved = current_thread_info()->w_saved;
+
+        sigframe_size = sizeof(*sf);
+        if (used_math())
+                sigframe_size += sizeof(__siginfo_fpu_t);
+        if (wsaved)
+                sigframe_size += sizeof(__siginfo_rwin_t);
 
         sf = (struct signal_frame __user *)
                 get_sigframe(&ka->sa, regs, sigframe_size);
@@ -334,8 +284,7 @@ static int setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
         if (invalid_frame_pointer(sf, sigframe_size))
                 goto sigill_and_return;
 
-        if (current_thread_info()->w_saved != 0)
-                goto sigill_and_return;
+        tail = sf + 1;
 
         /* 2. Save the current process state */
         err = __copy_to_user(&sf->info.si_regs, regs, sizeof(struct pt_regs));
@@ -343,17 +292,34 @@ static int setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
         err |= __put_user(0, &sf->extra_size);
 
         if (used_math()) {
-                err |= save_fpu_state(regs, &sf->fpu_state);
-                err |= __put_user(&sf->fpu_state, &sf->fpu_save);
+                __siginfo_fpu_t __user *fp = tail;
+                tail += sizeof(*fp);
+                err |= save_fpu_state(regs, fp);
+                err |= __put_user(fp, &sf->fpu_save);
         } else {
                 err |= __put_user(0, &sf->fpu_save);
         }
+        if (wsaved) {
+                __siginfo_rwin_t __user *rwp = tail;
+                tail += sizeof(*rwp);
+                err |= save_rwin_state(wsaved, rwp);
+                err |= __put_user(rwp, &sf->rwin_save);
+        } else {
+                err |= __put_user(0, &sf->rwin_save);
+        }
 
         err |= __put_user(oldset->sig[0], &sf->info.si_mask);
         err |= __copy_to_user(sf->extramask, &oldset->sig[1],
                               (_NSIG_WORDS - 1) * sizeof(unsigned int));
-        err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
-                              sizeof(struct reg_window32));
+        if (!wsaved) {
+                err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
+                                      sizeof(struct reg_window32));
+        } else {
+                struct reg_window32 *rp;
+
+                rp = &current_thread_info()->reg_window[wsaved - 1];
+                err |= __copy_to_user(sf, rp, sizeof(struct reg_window32));
+        }
         if (err)
                 goto sigsegv;
         
@@ -399,21 +365,24 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
                           int signo, sigset_t *oldset, siginfo_t *info)
 {
         struct rt_signal_frame __user *sf;
-        int sigframe_size;
+        int sigframe_size, wsaved;
+        void __user *tail;
         unsigned int psr;
         int err;
 
         synchronize_user_stack();
-        sigframe_size = RT_ALIGNEDSZ;
-        if (!used_math())
-                sigframe_size -= sizeof(__siginfo_fpu_t);
+        wsaved = current_thread_info()->w_saved;
+        sigframe_size = sizeof(*sf);
+        if (used_math())
+                sigframe_size += sizeof(__siginfo_fpu_t);
+        if (wsaved)
+                sigframe_size += sizeof(__siginfo_rwin_t);
         sf = (struct rt_signal_frame __user *)
                 get_sigframe(&ka->sa, regs, sigframe_size);
         if (invalid_frame_pointer(sf, sigframe_size))
                 goto sigill;
-        if (current_thread_info()->w_saved != 0)
-                goto sigill;
 
+        tail = sf + 1;
         err  = __put_user(regs->pc, &sf->regs.pc);
         err |= __put_user(regs->npc, &sf->regs.npc);
         err |= __put_user(regs->y, &sf->regs.y);
@@ -425,11 +394,21 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
         err |= __put_user(0, &sf->extra_size);
 
         if (psr & PSR_EF) {
-                err |= save_fpu_state(regs, &sf->fpu_state);
-                err |= __put_user(&sf->fpu_state, &sf->fpu_save);
+                __siginfo_fpu_t *fp = tail;
+                tail += sizeof(*fp);
+                err |= save_fpu_state(regs, fp);
+                err |= __put_user(fp, &sf->fpu_save);
         } else {
                 err |= __put_user(0, &sf->fpu_save);
         }
+        if (wsaved) {
+                __siginfo_rwin_t *rwp = tail;
+                tail += sizeof(*rwp);
+                err |= save_rwin_state(wsaved, rwp);
+                err |= __put_user(rwp, &sf->rwin_save);
+        } else {
+                err |= __put_user(0, &sf->rwin_save);
+        }
         err |= __copy_to_user(&sf->mask, &oldset->sig[0], sizeof(sigset_t));
         
         /* Setup sigaltstack */
@@ -437,8 +416,15 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
         err |= __put_user(sas_ss_flags(regs->u_regs[UREG_FP]), &sf->stack.ss_flags);
         err |= __put_user(current->sas_ss_size, &sf->stack.ss_size);
         
-        err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
-                              sizeof(struct reg_window32));
+        if (!wsaved) {
+                err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
+                                      sizeof(struct reg_window32));
+        } else {
+                struct reg_window32 *rp;
+
+                rp = &current_thread_info()->reg_window[wsaved - 1];
+                err |= __copy_to_user(sf, rp, sizeof(struct reg_window32));
+        }
 
         err |= copy_siginfo_to_user(&sf->info, info);
 
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 006fe4515886..47509df3b893 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -34,6 +34,7 @@
 
 #include "entry.h"
 #include "systbls.h"
+#include "sigutil.h"
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
@@ -236,7 +237,7 @@ struct rt_signal_frame {
         __siginfo_fpu_t __user  *fpu_save;
         stack_t                 stack;
         sigset_t                mask;
-        __siginfo_fpu_t         fpu_state;
+        __siginfo_rwin_t        *rwin_save;
 };
 
 static long _sigpause_common(old_sigset_t set)
@@ -266,33 +267,12 @@ asmlinkage long sys_sigsuspend(old_sigset_t set)
         return _sigpause_common(set);
 }
 
-static inline int
-restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        unsigned long *fpregs = current_thread_info()->fpregs;
-        unsigned long fprs;
-        int err;
-
-        err = __get_user(fprs, &fpu->si_fprs);
-        fprs_write(0);
-        regs->tstate &= ~TSTATE_PEF;
-        if (fprs & FPRS_DL)
-                err |= copy_from_user(fpregs, &fpu->si_float_regs[0],
-                               (sizeof(unsigned int) * 32));
-        if (fprs & FPRS_DU)
-                err |= copy_from_user(fpregs+16, &fpu->si_float_regs[32],
-                               (sizeof(unsigned int) * 32));
-        err |= __get_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
-        err |= __get_user(current_thread_info()->gsr[0], &fpu->si_gsr);
-        current_thread_info()->fpsaved[0] |= fprs;
-        return err;
-}
-
 void do_rt_sigreturn(struct pt_regs *regs)
 {
         struct rt_signal_frame __user *sf;
         unsigned long tpc, tnpc, tstate;
         __siginfo_fpu_t __user *fpu_save;
+        __siginfo_rwin_t __user *rwin_save;
         sigset_t set;
         int err;
 
@@ -325,8 +305,8 @@ void do_rt_sigreturn(struct pt_regs *regs)
         regs->tstate |= (tstate & (TSTATE_ASI | TSTATE_ICC | TSTATE_XCC));
 
         err |= __get_user(fpu_save, &sf->fpu_save);
-        if (fpu_save)
-                err |= restore_fpu_state(regs, &sf->fpu_state);
+        if (!err && fpu_save)
+                err |= restore_fpu_state(regs, fpu_save);
 
         err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));
         err |= do_sigaltstack(&sf->stack, NULL, (unsigned long)sf);
@@ -334,6 +314,12 @@ void do_rt_sigreturn(struct pt_regs *regs)
         if (err)
                 goto segv;
 
+        err |= __get_user(rwin_save, &sf->rwin_save);
+        if (!err && rwin_save) {
+                if (restore_rwin_state(rwin_save))
+                        goto segv;
+        }
+
         regs->tpc = tpc;
         regs->tnpc = tnpc;
 
@@ -351,34 +337,13 @@ segv:
 }
 
 /* Checks if the fp is valid */
-static int invalid_frame_pointer(void __user *fp, int fplen)
+static int invalid_frame_pointer(void __user *fp)
 {
         if (((unsigned long) fp) & 15)
                 return 1;
         return 0;
 }
 
-static inline int
-save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        unsigned long *fpregs = current_thread_info()->fpregs;
-        unsigned long fprs;
-        int err = 0;
-        
-        fprs = current_thread_info()->fpsaved[0];
-        if (fprs & FPRS_DL)
-                err |= copy_to_user(&fpu->si_float_regs[0], fpregs,
-                                    (sizeof(unsigned int) * 32));
-        if (fprs & FPRS_DU)
-                err |= copy_to_user(&fpu->si_float_regs[32], fpregs+16,
-                                    (sizeof(unsigned int) * 32));
-        err |= __put_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
-        err |= __put_user(current_thread_info()->gsr[0], &fpu->si_gsr);
-        err |= __put_user(fprs, &fpu->si_fprs);
-
-        return err;
-}
-
 static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, unsigned long framesize)
 {
         unsigned long sp = regs->u_regs[UREG_FP] + STACK_BIAS;
@@ -414,34 +379,48 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
                int signo, sigset_t *oldset, siginfo_t *info)
 {
         struct rt_signal_frame __user *sf;
-        int sigframe_size, err;
+        int wsaved, err, sf_size;
+        void __user *tail;
 
         /* 1. Make sure everything is clean */
         synchronize_user_stack();
         save_and_clear_fpu();
         
-        sigframe_size = sizeof(struct rt_signal_frame);
-        if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
-                sigframe_size -= sizeof(__siginfo_fpu_t);
+        wsaved = get_thread_wsaved();
 
+        sf_size = sizeof(struct rt_signal_frame);
+        if (current_thread_info()->fpsaved[0] & FPRS_FEF)
+                sf_size += sizeof(__siginfo_fpu_t);
+        if (wsaved)
+                sf_size += sizeof(__siginfo_rwin_t);
         sf = (struct rt_signal_frame __user *)
-                get_sigframe(ka, regs, sigframe_size);
-        
-        if (invalid_frame_pointer (sf, sigframe_size))
-                goto sigill;
+                get_sigframe(ka, regs, sf_size);
 
-        if (get_thread_wsaved() != 0)
+        if (invalid_frame_pointer (sf))
                 goto sigill;
 
+        tail = (sf + 1);
+
         /* 2. Save the current process state */
         err = copy_to_user(&sf->regs, regs, sizeof (*regs));
 
         if (current_thread_info()->fpsaved[0] & FPRS_FEF) {
-                err |= save_fpu_state(regs, &sf->fpu_state);
-                err |= __put_user((u64)&sf->fpu_state, &sf->fpu_save);
+                __siginfo_fpu_t __user *fpu_save = tail;
+                tail += sizeof(__siginfo_fpu_t);
+                err |= save_fpu_state(regs, fpu_save);
+                err |= __put_user((u64)fpu_save, &sf->fpu_save);
         } else {
                 err |= __put_user(0, &sf->fpu_save);
         }
+        if (wsaved) {
+                __siginfo_rwin_t __user *rwin_save = tail;
+                tail += sizeof(__siginfo_rwin_t);
+                err |= save_rwin_state(wsaved, rwin_save);
+                err |= __put_user((u64)rwin_save, &sf->rwin_save);
+                set_thread_wsaved(0);
+        } else {
+                err |= __put_user(0, &sf->rwin_save);
+        }
         
         /* Setup sigaltstack */
         err |= __put_user(current->sas_ss_sp, &sf->stack.ss_sp);
@@ -450,10 +429,17 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
 
         err |= copy_to_user(&sf->mask, oldset, sizeof(sigset_t));
 
-        err |= copy_in_user((u64 __user *)sf,
-                            (u64 __user *)(regs->u_regs[UREG_FP]+STACK_BIAS),
-                            sizeof(struct reg_window));
+        if (!wsaved) {
+                err |= copy_in_user((u64 __user *)sf,
+                                    (u64 __user *)(regs->u_regs[UREG_FP] +
+                                                   STACK_BIAS),
+                                    sizeof(struct reg_window));
+        } else {
+                struct reg_window *rp;
 
+                rp = &current_thread_info()->reg_window[wsaved - 1];
+                err |= copy_to_user(sf, rp, sizeof(struct reg_window));
+        }
         if (info)
                 err |= copy_siginfo_to_user(&sf->info, info);
         else {
diff --git a/arch/sparc/kernel/sigutil.h b/arch/sparc/kernel/sigutil.h
new file mode 100644
index 000000000000..d223aa432bb6
--- /dev/null
+++ b/arch/sparc/kernel/sigutil.h
@@ -0,0 +1,9 @@
+#ifndef _SIGUTIL_H
+#define _SIGUTIL_H
+
+int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu);
+int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu);
+int save_rwin_state(int wsaved, __siginfo_rwin_t __user *rwin);
+int restore_rwin_state(__siginfo_rwin_t __user *rp);
+
+#endif /* _SIGUTIL_H */
diff --git a/arch/sparc/kernel/sigutil_32.c b/arch/sparc/kernel/sigutil_32.c
new file mode 100644
index 000000000000..35c7897b009a
--- /dev/null
+++ b/arch/sparc/kernel/sigutil_32.c
@@ -0,0 +1,120 @@
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/thread_info.h>
+#include <linux/uaccess.h>
+#include <linux/sched.h>
+
+#include <asm/sigcontext.h>
+#include <asm/fpumacro.h>
+#include <asm/ptrace.h>
+
+#include "sigutil.h"
+
+int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
+{
+        int err = 0;
+#ifdef CONFIG_SMP
+        if (test_tsk_thread_flag(current, TIF_USEDFPU)) {
+                put_psr(get_psr() | PSR_EF);
+                fpsave(&current->thread.float_regs[0], &current->thread.fsr,
+                       &current->thread.fpqueue[0], &current->thread.fpqdepth);
+                regs->psr &= ~(PSR_EF);
+                clear_tsk_thread_flag(current, TIF_USEDFPU);
+        }
+#else
+        if (current == last_task_used_math) {
+                put_psr(get_psr() | PSR_EF);
+                fpsave(&current->thread.float_regs[0], &current->thread.fsr,
+                       &current->thread.fpqueue[0], &current->thread.fpqdepth);
+                last_task_used_math = NULL;
+                regs->psr &= ~(PSR_EF);
+        }
+#endif
+        err |= __copy_to_user(&fpu->si_float_regs[0],
+                              &current->thread.float_regs[0],
+                              (sizeof(unsigned long) * 32));
+        err |= __put_user(current->thread.fsr, &fpu->si_fsr);
+        err |= __put_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
+        if (current->thread.fpqdepth != 0)
+                err |= __copy_to_user(&fpu->si_fpqueue[0],
+                                      &current->thread.fpqueue[0],
+                                      ((sizeof(unsigned long) +
+                                      (sizeof(unsigned long *)))*16));
+        clear_used_math();
+        return err;
+}
+
+int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
+{
+        int err;
+#ifdef CONFIG_SMP
+        if (test_tsk_thread_flag(current, TIF_USEDFPU))
+                regs->psr &= ~PSR_EF;
+#else
+        if (current == last_task_used_math) {
+                last_task_used_math = NULL;
+                regs->psr &= ~PSR_EF;
+        }
+#endif
+        set_used_math();
+        clear_tsk_thread_flag(current, TIF_USEDFPU);
+
+        if (!access_ok(VERIFY_READ, fpu, sizeof(*fpu)))
+                return -EFAULT;
+
+        err = __copy_from_user(&current->thread.float_regs[0], &fpu->si_float_regs[0],
+                               (sizeof(unsigned long) * 32));
+        err |= __get_user(current->thread.fsr, &fpu->si_fsr);
+        err |= __get_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
+        if (current->thread.fpqdepth != 0)
+                err |= __copy_from_user(&current->thread.fpqueue[0],
+                                        &fpu->si_fpqueue[0],
+                                        ((sizeof(unsigned long) +
+                                        (sizeof(unsigned long *)))*16));
+        return err;
+}
+
+int save_rwin_state(int wsaved, __siginfo_rwin_t __user *rwin)
+{
+        int i, err = __put_user(wsaved, &rwin->wsaved);
+
+        for (i = 0; i < wsaved; i++) {
+                struct reg_window32 *rp;
+                unsigned long fp;
+
+                rp = &current_thread_info()->reg_window[i];
+                fp = current_thread_info()->rwbuf_stkptrs[i];
+                err |= copy_to_user(&rwin->reg_window[i], rp,
+                                    sizeof(struct reg_window32));
+                err |= __put_user(fp, &rwin->rwbuf_stkptrs[i]);
+        }
+        return err;
+}
+
+int restore_rwin_state(__siginfo_rwin_t __user *rp)
+{
+        struct thread_info *t = current_thread_info();
+        int i, wsaved, err;
+
+        __get_user(wsaved, &rp->wsaved);
+        if (wsaved > NSWINS)
+                return -EFAULT;
+
+        err = 0;
+        for (i = 0; i < wsaved; i++) {
+                err |= copy_from_user(&t->reg_window[i],
+                                      &rp->reg_window[i],
+                                      sizeof(struct reg_window32));
+                err |= __get_user(t->rwbuf_stkptrs[i],
+                                  &rp->rwbuf_stkptrs[i]);
+        }
+        if (err)
+                return err;
+
+        t->w_saved = wsaved;
+        synchronize_user_stack();
+        if (t->w_saved)
+                return -EFAULT;
+        return 0;
+
+}
diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c
new file mode 100644
index 000000000000..e7dc508c38eb
--- /dev/null
+++ b/arch/sparc/kernel/sigutil_64.c
@@ -0,0 +1,93 @@
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/thread_info.h>
+#include <linux/uaccess.h>
+
+#include <asm/sigcontext.h>
+#include <asm/fpumacro.h>
+#include <asm/ptrace.h>
+
+#include "sigutil.h"
+
+int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
+{
+        unsigned long *fpregs = current_thread_info()->fpregs;
+        unsigned long fprs;
+        int err = 0;
+        
+        fprs = current_thread_info()->fpsaved[0];
+        if (fprs & FPRS_DL)
+                err |= copy_to_user(&fpu->si_float_regs[0], fpregs,
+                                    (sizeof(unsigned int) * 32));
+        if (fprs & FPRS_DU)
+                err |= copy_to_user(&fpu->si_float_regs[32], fpregs+16,
+                                    (sizeof(unsigned int) * 32));
+        err |= __put_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
+        err |= __put_user(current_thread_info()->gsr[0], &fpu->si_gsr);
+        err |= __put_user(fprs, &fpu->si_fprs);
+
+        return err;
+}
+
+int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
+{
+        unsigned long *fpregs = current_thread_info()->fpregs;
+        unsigned long fprs;
+        int err;
+
+        err = __get_user(fprs, &fpu->si_fprs);
+        fprs_write(0);
+        regs->tstate &= ~TSTATE_PEF;
+        if (fprs & FPRS_DL)
+                err |= copy_from_user(fpregs, &fpu->si_float_regs[0],
+                               (sizeof(unsigned int) * 32));
+        if (fprs & FPRS_DU)
+                err |= copy_from_user(fpregs+16, &fpu->si_float_regs[32],
+                               (sizeof(unsigned int) * 32));
+        err |= __get_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
+        err |= __get_user(current_thread_info()->gsr[0], &fpu->si_gsr);
+        current_thread_info()->fpsaved[0] |= fprs;
+        return err;
+}
+
+int save_rwin_state(int wsaved, __siginfo_rwin_t __user *rwin)
+{
+        int i, err = __put_user(wsaved, &rwin->wsaved);
+
+        for (i = 0; i < wsaved; i++) {
+                struct reg_window *rp = &current_thread_info()->reg_window[i];
+                unsigned long fp = current_thread_info()->rwbuf_stkptrs[i];
+
+                err |= copy_to_user(&rwin->reg_window[i], rp,
+                                    sizeof(struct reg_window));
+                err |= __put_user(fp, &rwin->rwbuf_stkptrs[i]);
+        }
+        return err;
+}
+
+int restore_rwin_state(__siginfo_rwin_t __user *rp)
+{
+        struct thread_info *t = current_thread_info();
+        int i, wsaved, err;
+
+        __get_user(wsaved, &rp->wsaved);
+        if (wsaved > NSWINS)
+                return -EFAULT;
+
+        err = 0;
+        for (i = 0; i < wsaved; i++) {
+                err |= copy_from_user(&t->reg_window[i],
+                                      &rp->reg_window[i],
+                                      sizeof(struct reg_window));
+                err |= __get_user(t->rwbuf_stkptrs[i],
+                                  &rp->rwbuf_stkptrs[i]);
+        }
+        if (err)
+                return err;
+
+        set_thread_wsaved(wsaved);
+        synchronize_user_stack();
+        if (get_thread_wsaved())
+                return -EFAULT;
+        return 0;
+}
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index 44e5faf1ad5f..d97f3eb72e06 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -81,7 +81,6 @@ SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
 SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
 SIGN2(sys32_bdflush, sys_bdflush, %o0, %o1)
 SIGN1(sys32_mlockall, sys_mlockall, %o0)
-SIGN1(sys32_nfsservctl, compat_sys_nfsservctl, %o0)
 SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1)
 SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
 SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 6e492d59f6b1..09d8ec454450 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -67,7 +67,7 @@ sys_call_table:
 /*235*/ .long sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
 /*240*/ .long sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
 /*245*/ .long sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep
-/*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
+/*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_ni_syscall
 /*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
 /*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
 /*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index f566518483b5..c9296ab0b1f4 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -145,7 +145,7 @@ sys_call_table:
         .word sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
 /*240*/ .word sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
         .word sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep
-/*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
+/*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nis_syscall
         .word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
 /*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
         .word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index a0e866d233ee..54edb207ff3a 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -672,7 +672,7 @@ ia32_sys_call_table:
         .quad sys32_vm86_warning        /* vm86 */ 
         .quad quiet_ni_syscall  /* query_module */
         .quad sys_poll
-        .quad compat_sys_nfsservctl
+        .quad quiet_ni_syscall /* old nfsservctl */
         .quad sys_setresgid16   /* 170 */
         .quad sys_getresgid16
         .quad sys_prctl
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index d92641cc7acc..201040573444 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -414,7 +414,7 @@ __SYSCALL(__NR_query_module, sys_ni_syscall)
 __SYSCALL(__NR_quotactl, sys_quotactl)
 
 #define __NR_nfsservctl                         180
-__SYSCALL(__NR_nfsservctl, sys_nfsservctl)
+__SYSCALL(__NR_nfsservctl, sys_ni_syscall)
 
 /* reserved for LiS/STREAMS */
 #define __NR_getpmsg                            181
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 64a619d47d34..7ff4669580cf 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -39,7 +39,7 @@ typedef struct xpaddr {
     ((unsigned long)((u64)CONFIG_XEN_MAX_DOMAIN_MEMORY * 1024 * 1024 * 1024 / PAGE_SIZE))
 
 extern unsigned long *machine_to_phys_mapping;
-extern unsigned int   machine_to_phys_order;
+extern unsigned long  machine_to_phys_nr;
 
 extern unsigned long get_phys_to_machine(unsigned long pfn);
 extern bool set_phys_to_machine(unsigned long pfn, unsigned long mfn);
@@ -87,7 +87,7 @@ static inline unsigned long mfn_to_pfn(unsigned long mfn)
         if (xen_feature(XENFEAT_auto_translated_physmap))
                 return mfn;
 
-        if (unlikely((mfn >> machine_to_phys_order) != 0)) {
+        if (unlikely(mfn >= machine_to_phys_nr)) {
                 pfn = ~0;
                 goto try_override;
         }
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index adc66c3a1fef..34b18594e724 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -207,7 +207,6 @@ static int __cpuinit uv_wakeup_secondary(int phys_apicid, unsigned long start_ri
             ((start_rip << UVH_IPI_INT_VECTOR_SHFT) >> 12) |
             APIC_DM_INIT;
         uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
-        mdelay(10);
 
         val = (1UL << UVH_IPI_INT_SEND_SHFT) |
             (phys_apicid << UVH_IPI_INT_APIC_ID_SHFT) |
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index 08119a37e53c..6b96110bb0c3 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -149,7 +149,6 @@ struct set_mtrr_data {
  */
 static int mtrr_rendezvous_handler(void *info)
 {
-#ifdef CONFIG_SMP
         struct set_mtrr_data *data = info;
 
         /*
@@ -171,7 +170,6 @@ static int mtrr_rendezvous_handler(void *info)
         } else if (mtrr_aps_delayed_init || !cpu_online(smp_processor_id())) {
                 mtrr_if->set_all();
         }
-#endif
         return 0;
 }
 
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 5c1a91974918..f3f6f5344001 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -54,6 +54,7 @@
 #include <asm/ftrace.h>
 #include <asm/irq_vectors.h>
 #include <asm/cpufeature.h>
+#include <asm/alternative-asm.h>
 
 /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this.  */
 #include <linux/elf-em.h>
@@ -873,12 +874,7 @@ ENTRY(simd_coprocessor_error)
 661:    pushl_cfi $do_general_protection
 662:
 .section .altinstructions,"a"
-        .balign 4
-        .long 661b
-        .long 663f
-        .word X86_FEATURE_XMM
-        .byte 662b-661b
-        .byte 664f-663f
+        altinstruction_entry 661b, 663f, X86_FEATURE_XMM, 662b-661b, 664f-663f
 .previous
 .section .altinstr_replacement,"ax"
 663:    pushl $do_simd_coprocessor_error
diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S
index fbb0a045a1a2..bc19be332bc9 100644
--- a/arch/x86/kernel/syscall_table_32.S
+++ b/arch/x86/kernel/syscall_table_32.S
@@ -168,7 +168,7 @@ ENTRY(sys_call_table)
         .long ptregs_vm86
         .long sys_ni_syscall    /* Old sys_query_module */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* Old nfsservctl */
         .long sys_setresgid16   /* 170 */
         .long sys_getresgid16
         .long sys_prctl
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 7000e74b3087..58425adc22c6 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -689,7 +689,9 @@ static int __init sfi_parse_devs(struct sfi_table_header *table)
                         irq_attr.trigger = 1;
                         irq_attr.polarity = 1;
                         io_apic_set_pci_routing(NULL, pentry->irq, &irq_attr);
-                }
+                } else
+                        pentry->irq = 0; /* No irq */
+
                 switch (pentry->type) {
                 case SFI_DEV_TYPE_IPC:
                         /* ID as IRQ is a hack that will go away */
diff --git a/arch/x86/platform/olpc/olpc.c b/arch/x86/platform/olpc/olpc.c
index 8b9940e78e2f..7cce722667b8 100644
--- a/arch/x86/platform/olpc/olpc.c
+++ b/arch/x86/platform/olpc/olpc.c
@@ -161,13 +161,13 @@ restart:
         if (inbuf && inlen) {
                 /* write data to EC */
                 for (i = 0; i < inlen; i++) {
+                        pr_devel("olpc-ec:  sending cmd arg 0x%x\n", inbuf[i]);
+                        outb(inbuf[i], 0x68);
                         if (wait_on_ibf(0x6c, 0)) {
                                 printk(KERN_ERR "olpc-ec:  timeout waiting for"
                                                 " EC accept data!\n");
                                 goto err;
                         }
-                        pr_devel("olpc-ec:  sending cmd arg 0x%x\n", inbuf[i]);
-                        outb(inbuf[i], 0x68);
                 }
         }
         if (outbuf && outlen) {
diff --git a/arch/x86/vdso/vdso32/sysenter.S b/arch/x86/vdso/vdso32/sysenter.S
index e2800affa754..e354bceee0e0 100644
--- a/arch/x86/vdso/vdso32/sysenter.S
+++ b/arch/x86/vdso/vdso32/sysenter.S
@@ -43,7 +43,7 @@ __kernel_vsyscall:
         .space 7,0x90
 
         /* 14: System call restart point is here! (SYSENTER_RETURN-2) */
-        jmp .Lenter_kernel
+        int $0x80
         /* 16: System call normal return point is here! */
 VDSO32_SYSENTER_RETURN: /* Symbol used by sysenter.c via vdso32-syms.h */
         pop %ebp
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile
index 3326204e251f..add2c2d729ce 100644
--- a/arch/x86/xen/Makefile
+++ b/arch/x86/xen/Makefile
@@ -15,7 +15,7 @@ obj-y		:= enlighten.o setup.o multicalls.o mmu.o irq.o \
                         grant-table.o suspend.o platform-pci-unplug.o \
                         p2m.o
 
-obj-$(CONFIG_FTRACE) += trace.o
+obj-$(CONFIG_EVENT_TRACING) += trace.o
 
 obj-$(CONFIG_SMP)               += smp.o
 obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index e2345af01af0..2d69617950f7 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -77,8 +77,8 @@ EXPORT_SYMBOL_GPL(xen_domain_type);
 
 unsigned long *machine_to_phys_mapping = (void *)MACH2PHYS_VIRT_START;
 EXPORT_SYMBOL(machine_to_phys_mapping);
-unsigned int   machine_to_phys_order;
-EXPORT_SYMBOL(machine_to_phys_order);
+unsigned long  machine_to_phys_nr;
+EXPORT_SYMBOL(machine_to_phys_nr);
 
 struct start_info *xen_start_info;
 EXPORT_SYMBOL_GPL(xen_start_info);
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 8cce339db5e7..20a614275064 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1713,15 +1713,19 @@ static void __init xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn)
 void __init xen_setup_machphys_mapping(void)
 {
         struct xen_machphys_mapping mapping;
-        unsigned long machine_to_phys_nr_ents;
 
         if (HYPERVISOR_memory_op(XENMEM_machphys_mapping, &mapping) == 0) {
                 machine_to_phys_mapping = (unsigned long *)mapping.v_start;
-                machine_to_phys_nr_ents = mapping.max_mfn + 1;
+                machine_to_phys_nr = mapping.max_mfn + 1;
         } else {
-                machine_to_phys_nr_ents = MACH2PHYS_NR_ENTRIES;
+                machine_to_phys_nr = MACH2PHYS_NR_ENTRIES;
         }
-        machine_to_phys_order = fls(machine_to_phys_nr_ents - 1);
+#ifdef CONFIG_X86_32
+        if ((machine_to_phys_mapping + machine_to_phys_nr)
+            < machine_to_phys_mapping)
+                machine_to_phys_nr = (unsigned long *)NULL
+                                     - machine_to_phys_mapping;
+#endif
 }
 
 #ifdef CONFIG_X86_64
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index b4533a86d7e4..e79dbb95482b 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -521,8 +521,6 @@ static void __init xen_hvm_smp_prepare_cpus(unsigned int max_cpus)
         native_smp_prepare_cpus(max_cpus);
         WARN_ON(xen_smp_intr_init(0));
 
-        if (!xen_have_vector_callback)
-                return;
         xen_init_lock_cpu(0);
         xen_init_spinlocks();
 }
@@ -546,6 +544,8 @@ static void xen_hvm_cpu_die(unsigned int cpu)
 
 void __init xen_hvm_smp_init(void)
 {
+        if (!xen_have_vector_callback)
+                return;
         smp_ops.smp_prepare_cpus = xen_hvm_smp_prepare_cpus;
         smp_ops.smp_send_reschedule = xen_smp_send_reschedule;
         smp_ops.cpu_up = xen_hvm_cpu_up;
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h
index a6f934f37f1a..798ee6d285a1 100644
--- a/arch/xtensa/include/asm/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
@@ -455,7 +455,7 @@ __SYSCALL(203, sys_reboot, 3)
 #define __NR_quotactl                           204
 __SYSCALL(204, sys_quotactl, 4)
 #define __NR_nfsservctl                         205
-__SYSCALL(205, sys_nfsservctl, 3)
+__SYSCALL(205, sys_ni_syscall, 0)
 #define __NR__sysctl                            206
 __SYSCALL(206, sys_sysctl, 1)
 #define __NR_bdflush                            207
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index cf7a0c788052..65cd74832450 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -397,6 +397,7 @@ static int remove_nodes(struct device *dev,
 
 static int release_nodes(struct device *dev, struct list_head *first,
                          struct list_head *end, unsigned long flags)
+        __releases(&dev->devres_lock)
 {
         LIST_HEAD(todo);
         int cnt;
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 33e1bed68fdd..a4760e095ff5 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -376,7 +376,7 @@ int devtmpfs_mount(const char *mntdir)
         return err;
 }
 
-static __initdata DECLARE_COMPLETION(setup_done);
+static DECLARE_COMPLETION(setup_done);
 
 static int handle(const char *name, mode_t mode, struct device *dev)
 {
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index bbb03e6f7255..06ed6b4e7df5 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -521,11 +521,6 @@ static int _request_firmware(const struct firmware **firmware_p,
         if (!firmware_p)
                 return -EINVAL;
 
-        if (WARN_ON(usermodehelper_is_disabled())) {
-                dev_err(device, "firmware: %s will not be loaded\n", name);
-                return -EBUSY;
-        }
-
         *firmware_p = firmware = kzalloc(sizeof(*firmware), GFP_KERNEL);
         if (!firmware) {
                 dev_err(device, "%s: kmalloc(struct firmware) failed\n",
@@ -539,6 +534,12 @@ static int _request_firmware(const struct firmware **firmware_p,
                 return 0;
         }
 
+        if (WARN_ON(usermodehelper_is_disabled())) {
+                dev_err(device, "firmware: %s will not be loaded\n", name);
+                retval = -EBUSY;
+                goto out;
+        }
+
         if (uevent)
                 dev_dbg(device, "firmware: requesting %s\n", name);
 
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 0cad9c7f6bb5..99a5272d7c2f 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -33,7 +33,7 @@ EXPORT_SYMBOL_GPL(platform_bus);
 
 /**
  * arch_setup_pdev_archdata - Allow manipulation of archdata before its used
- * @dev: platform device
+ * @pdev: platform device
  *
  * This is called before platform_device_add() such that any pdev_archdata may
  * be setup before the platform_notifier is called.  So if a user needs to
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index a846b2f95cfb..2c18d584066d 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -19,7 +19,7 @@
 
 struct pm_clk_data {
         struct list_head clock_list;
-        struct mutex lock;
+        spinlock_t lock;
 };
 
 enum pce_status {
@@ -73,9 +73,9 @@ int pm_clk_add(struct device *dev, const char *con_id)
                 }
         }
 
-        mutex_lock(&pcd->lock);
+        spin_lock_irq(&pcd->lock);
         list_add_tail(&ce->node, &pcd->clock_list);
-        mutex_unlock(&pcd->lock);
+        spin_unlock_irq(&pcd->lock);
         return 0;
 }
 
@@ -83,8 +83,8 @@ int pm_clk_add(struct device *dev, const char *con_id)
  * __pm_clk_remove - Destroy PM clock entry.
  * @ce: PM clock entry to destroy.
  *
- * This routine must be called under the mutex protecting the PM list of clocks
- * corresponding the the @ce's device.
+ * This routine must be called under the spinlock protecting the PM list of
+ * clocks corresponding the the @ce's device.
  */
 static void __pm_clk_remove(struct pm_clock_entry *ce)
 {
@@ -123,7 +123,7 @@ void pm_clk_remove(struct device *dev, const char *con_id)
         if (!pcd)
                 return;
 
-        mutex_lock(&pcd->lock);
+        spin_lock_irq(&pcd->lock);
 
         list_for_each_entry(ce, &pcd->clock_list, node) {
                 if (!con_id && !ce->con_id) {
@@ -137,7 +137,7 @@ void pm_clk_remove(struct device *dev, const char *con_id)
                 }
         }
 
-        mutex_unlock(&pcd->lock);
+        spin_unlock_irq(&pcd->lock);
 }
 
 /**
@@ -158,7 +158,7 @@ int pm_clk_init(struct device *dev)
         }
 
         INIT_LIST_HEAD(&pcd->clock_list);
-        mutex_init(&pcd->lock);
+        spin_lock_init(&pcd->lock);
         dev->power.subsys_data = pcd;
         return 0;
 }
@@ -181,12 +181,12 @@ void pm_clk_destroy(struct device *dev)
 
         dev->power.subsys_data = NULL;
 
-        mutex_lock(&pcd->lock);
+        spin_lock_irq(&pcd->lock);
 
         list_for_each_entry_safe_reverse(ce, c, &pcd->clock_list, node)
                 __pm_clk_remove(ce);
 
-        mutex_unlock(&pcd->lock);
+        spin_unlock_irq(&pcd->lock);
 
         kfree(pcd);
 }
@@ -220,13 +220,14 @@ int pm_clk_suspend(struct device *dev)
 {
         struct pm_clk_data *pcd = __to_pcd(dev);
         struct pm_clock_entry *ce;
+        unsigned long flags;
 
         dev_dbg(dev, "%s()\n", __func__);
 
         if (!pcd)
                 return 0;
 
-        mutex_lock(&pcd->lock);
+        spin_lock_irqsave(&pcd->lock, flags);
 
         list_for_each_entry_reverse(ce, &pcd->clock_list, node) {
                 if (ce->status == PCE_STATUS_NONE)
@@ -238,7 +239,7 @@ int pm_clk_suspend(struct device *dev)
                 }
         }
 
-        mutex_unlock(&pcd->lock);
+        spin_unlock_irqrestore(&pcd->lock, flags);
 
         return 0;
 }
@@ -251,13 +252,14 @@ int pm_clk_resume(struct device *dev)
 {
         struct pm_clk_data *pcd = __to_pcd(dev);
         struct pm_clock_entry *ce;
+        unsigned long flags;
 
         dev_dbg(dev, "%s()\n", __func__);
 
         if (!pcd)
                 return 0;
 
-        mutex_lock(&pcd->lock);
+        spin_lock_irqsave(&pcd->lock, flags);
 
         list_for_each_entry(ce, &pcd->clock_list, node) {
                 if (ce->status == PCE_STATUS_NONE)
@@ -269,7 +271,7 @@ int pm_clk_resume(struct device *dev)
                 }
         }
 
-        mutex_unlock(&pcd->lock);
+        spin_unlock_irqrestore(&pcd->lock, flags);
 
         return 0;
 }
@@ -344,6 +346,7 @@ int pm_clk_suspend(struct device *dev)
 {
         struct pm_clk_data *pcd = __to_pcd(dev);
         struct pm_clock_entry *ce;
+        unsigned long flags;
 
         dev_dbg(dev, "%s()\n", __func__);
 
@@ -351,12 +354,12 @@ int pm_clk_suspend(struct device *dev)
         if (!pcd || !dev->driver)
                 return 0;
 
-        mutex_lock(&pcd->lock);
+        spin_lock_irqsave(&pcd->lock, flags);
 
         list_for_each_entry_reverse(ce, &pcd->clock_list, node)
                 clk_disable(ce->clk);
 
-        mutex_unlock(&pcd->lock);
+        spin_unlock_irqrestore(&pcd->lock, flags);
 
         return 0;
 }
@@ -369,6 +372,7 @@ int pm_clk_resume(struct device *dev)
 {
         struct pm_clk_data *pcd = __to_pcd(dev);
         struct pm_clock_entry *ce;
+        unsigned long flags;
 
         dev_dbg(dev, "%s()\n", __func__);
 
@@ -376,12 +380,12 @@ int pm_clk_resume(struct device *dev)
         if (!pcd || !dev->driver)
                 return 0;
 
-        mutex_lock(&pcd->lock);
+        spin_lock_irqsave(&pcd->lock, flags);
 
         list_for_each_entry(ce, &pcd->clock_list, node)
                 clk_enable(ce->clk);
 
-        mutex_unlock(&pcd->lock);
+        spin_unlock_irqrestore(&pcd->lock, flags);
 
         return 0;
 }
diff --git a/drivers/char/msm_smd_pkt.c b/drivers/char/msm_smd_pkt.c
index b6f8a65c9960..8eca55deb3a3 100644
--- a/drivers/char/msm_smd_pkt.c
+++ b/drivers/char/msm_smd_pkt.c
@@ -379,9 +379,8 @@ static int __init smd_pkt_init(void)
         for (i = 0; i < NUM_SMD_PKT_PORTS; ++i) {
                 smd_pkt_devp[i] = kzalloc(sizeof(struct smd_pkt_dev),
                                           GFP_KERNEL);
-                if (IS_ERR(smd_pkt_devp[i])) {
-                        r = PTR_ERR(smd_pkt_devp[i]);
-                        pr_err("kmalloc() failed %d\n", r);
+                if (!smd_pkt_devp[i]) {
+                        pr_err("kmalloc() failed\n");
                         goto clean_cdevs;
                 }
 
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index 8ba7f7928f1f..f3b890da1e87 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -455,15 +455,20 @@ static struct device_attribute fw_device_attributes[] = {
 static int read_rom(struct fw_device *device,
                     int generation, int index, u32 *data)
 {
-        int rcode;
+        u64 offset = (CSR_REGISTER_BASE | CSR_CONFIG_ROM) + index * 4;
+        int i, rcode;
 
         /* device->node_id, accessed below, must not be older than generation */
         smp_rmb();
 
-        rcode = fw_run_transaction(device->card, TCODE_READ_QUADLET_REQUEST,
-                        device->node_id, generation, device->max_speed,
-                        (CSR_REGISTER_BASE | CSR_CONFIG_ROM) + index * 4,
-                        data, 4);
+        for (i = 10; i < 100; i += 10) {
+                rcode = fw_run_transaction(device->card,
+                                TCODE_READ_QUADLET_REQUEST, device->node_id,
+                                generation, device->max_speed, offset, data, 4);
+                if (rcode != RCODE_BUSY)
+                        break;
+                msleep(i);
+        }
         be32_to_cpus(data);
 
         return rcode;
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 41841a3e3f99..17cef864506a 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -1198,6 +1198,10 @@ static int sbp2_remove(struct device *dev)
 {
         struct fw_unit *unit = fw_unit(dev);
         struct sbp2_target *tgt = dev_get_drvdata(&unit->device);
+        struct sbp2_logical_unit *lu;
+
+        list_for_each_entry(lu, &tgt->lu_list, link)
+                cancel_delayed_work_sync(&lu->work);
 
         sbp2_target_put(tgt);
         return 0;
diff --git a/drivers/firmware/google/gsmi.c b/drivers/firmware/google/gsmi.c
index 68810fd1a59d..aa83de9db1b9 100644
--- a/drivers/firmware/google/gsmi.c
+++ b/drivers/firmware/google/gsmi.c
@@ -420,7 +420,7 @@ static efi_status_t gsmi_get_next_variable(unsigned long *name_size,
 
 static efi_status_t gsmi_set_variable(efi_char16_t *name,
                                       efi_guid_t *vendor,
-                                      unsigned long attr,
+                                      u32 attr,
                                       unsigned long data_size,
                                       void *data)
 {
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5baaef4a0c5d..542453f7498c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -375,6 +375,7 @@
 # define MI_FLUSH_ENABLE                                (1 << 11)
 
 #define GFX_MODE        0x02520
+#define GFX_MODE_GEN7   0x0229c
 #define   GFX_RUN_LIST_ENABLE           (1<<15)
 #define   GFX_TLB_INVALIDATE_ALWAYS     (1<<13)
 #define   GFX_SURFACE_FAULT_ENABLE      (1<<12)
@@ -382,6 +383,9 @@
 #define   GFX_PSMI_GRANULARITY          (1<<10)
 #define   GFX_PPGTT_ENABLE              (1<<9)
 
+#define GFX_MODE_ENABLE(bit) (((bit) << 16) | (bit))
+#define GFX_MODE_DISABLE(bit) (((bit) << 16) | (0))
+
 #define SCPD0           0x0209c /* 915+ only */
 #define IER             0x020a0
 #define IIR             0x020a4
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ee1d701317f7..56a8554d9039 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -878,7 +878,7 @@ static void assert_panel_unlocked(struct drm_i915_private *dev_priv,
         int pp_reg, lvds_reg;
         u32 val;
         enum pipe panel_pipe = PIPE_A;
-        bool locked = locked;
+        bool locked = true;
 
         if (HAS_PCH_SPLIT(dev_priv->dev)) {
                 pp_reg = PCH_PP_CONTROL;
@@ -7238,8 +7238,6 @@ static void intel_setup_outputs(struct drm_device *dev)
                         intel_encoder_clones(dev, encoder->clone_mask);
         }
 
-        intel_panel_setup_backlight(dev);
-
         /* disable all the possible outputs/crtcs before entering KMS mode */
         drm_helper_disable_unused_functions(dev);
 }
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 47b9b2777038..c30626ea9f93 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -290,6 +290,10 @@ static int init_render_ring(struct intel_ring_buffer *ring)
                 if (IS_GEN6(dev) || IS_GEN7(dev))
                         mode |= MI_FLUSH_ENABLE << 16 | MI_FLUSH_ENABLE;
                 I915_WRITE(MI_MODE, mode);
+                if (IS_GEN7(dev))
+                        I915_WRITE(GFX_MODE_GEN7,
+                                   GFX_MODE_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
+                                   GFX_MODE_ENABLE(GFX_REPLAY_MODE));
         }
 
         if (INTEL_INFO(dev)->gen >= 6) {
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 7f65940f918f..4f0c1ecac72e 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -466,6 +466,16 @@ static bool radeon_connector_needs_extended_probe(struct radeon_device *dev,
                     (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
                         return true;
         }
+        /* TOSHIBA Satellite L300D with ATI Mobility Radeon x1100
+         * (RS690M) sends data to i2c bus for a HDMI connector that
+         * is not implemented */
+        if ((dev->pdev->device == 0x791f) &&
+            (dev->pdev->subsystem_vendor == 0x1179) &&
+            (dev->pdev->subsystem_device == 0xff68)) {
+                if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
+                    (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
+                        return true;
+        }
 
         /* Default: no EDID header probe required for DDC probing */
         return false;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index a3b011b49465..b51e15725c6e 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -301,6 +301,8 @@ void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64
                 mc->mc_vram_size = mc->aper_size;
         }
         mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
+        if (radeon_vram_limit && radeon_vram_limit < mc->real_vram_size)
+                mc->real_vram_size = radeon_vram_limit;
         dev_info(rdev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n",
                         mc->mc_vram_size >> 20, mc->vram_start,
                         mc->vram_end, mc->real_vram_size >> 20);
diff --git a/drivers/gpu/drm/radeon/radeon_test.c b/drivers/gpu/drm/radeon/radeon_test.c
index dee4a0c1b4b2..602fa3541c45 100644
--- a/drivers/gpu/drm/radeon/radeon_test.c
+++ b/drivers/gpu/drm/radeon/radeon_test.c
@@ -40,10 +40,14 @@ void radeon_test_moves(struct radeon_device *rdev)
         size = 1024 * 1024;
 
         /* Number of tests =
-         * (Total GTT - IB pool - writeback page - ring buffer) / test size
+         * (Total GTT - IB pool - writeback page - ring buffers) / test size
          */
-        n = ((u32)(rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024 - RADEON_GPU_PAGE_SIZE -
-             rdev->cp.ring_size)) / size;
+        n = rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024 - rdev->cp.ring_size;
+        if (rdev->wb.wb_obj)
+                n -= RADEON_GPU_PAGE_SIZE;
+        if (rdev->ih.ring_obj)
+                n -= rdev->ih.ring_size;
+        n /= size;
 
         gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL);
         if (!gtt_obj) {
@@ -132,9 +136,15 @@ void radeon_test_moves(struct radeon_device *rdev)
                      gtt_start++, vram_start++) {
                         if (*vram_start != gtt_start) {
                                 DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, "
-                                          "expected 0x%p (GTT map 0x%p-0x%p)\n",
-                                          i, *vram_start, gtt_start, gtt_map,
-                                          gtt_end);
+                                          "expected 0x%p (GTT/VRAM offset "
+                                          "0x%16llx/0x%16llx)\n",
+                                          i, *vram_start, gtt_start,
+                                          (unsigned long long)
+                                          (gtt_addr - rdev->mc.gtt_start +
+                                           (void*)gtt_start - gtt_map),
+                                          (unsigned long long)
+                                          (vram_addr - rdev->mc.vram_start +
+                                           (void*)gtt_start - gtt_map));
                                 radeon_bo_kunmap(vram_obj);
                                 goto out_cleanup;
                         }
@@ -175,9 +185,15 @@ void radeon_test_moves(struct radeon_device *rdev)
                      gtt_start++, vram_start++) {
                         if (*gtt_start != vram_start) {
                                 DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, "
-                                          "expected 0x%p (VRAM map 0x%p-0x%p)\n",
-                                          i, *gtt_start, vram_start, vram_map,
-                                          vram_end);
+                                          "expected 0x%p (VRAM/GTT offset "
+                                          "0x%16llx/0x%16llx)\n",
+                                          i, *gtt_start, vram_start,
+                                          (unsigned long long)
+                                          (vram_addr - rdev->mc.vram_start +
+                                           (void*)vram_start - vram_map),
+                                          (unsigned long long)
+                                          (gtt_addr - rdev->mc.gtt_start +
+                                           (void*)vram_start - vram_map));
                                 radeon_bo_kunmap(gtt_obj[i]);
                                 goto out_cleanup;
                         }
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 60125ddba1e9..9b86fb0e4122 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -450,6 +450,29 @@ static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_
                         return -EINVAL;
                 mem->bus.base = rdev->mc.aper_base;
                 mem->bus.is_iomem = true;
+#ifdef __alpha__
+                /*
+                 * Alpha: use bus.addr to hold the ioremap() return,
+                 * so we can modify bus.base below.
+                 */
+                if (mem->placement & TTM_PL_FLAG_WC)
+                        mem->bus.addr =
+                                ioremap_wc(mem->bus.base + mem->bus.offset,
+                                           mem->bus.size);
+                else
+                        mem->bus.addr =
+                                ioremap_nocache(mem->bus.base + mem->bus.offset,
+                                                mem->bus.size);
+
+                /*
+                 * Alpha: Use just the bus offset plus
+                 * the hose/domain memory base for bus.base.
+                 * It then can be used to build PTEs for VRAM
+                 * access, as done in ttm_bo_vm_fault().
+                 */
+                mem->bus.base = (mem->bus.base & 0x0ffffffffUL) +
+                        rdev->ddev->hose->dense_mem_base;
+#endif
                 break;
         default:
                 return -EINVAL;
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 56619f64b6bf..a4d38d85909a 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -353,8 +353,10 @@ static int ttm_bo_add_ttm(struct ttm_buffer_object *bo, bool zero_alloc)
 
                 ret = ttm_tt_set_user(bo->ttm, current,
                                       bo->buffer_start, bo->num_pages);
-                if (unlikely(ret != 0))
+                if (unlikely(ret != 0)) {
                         ttm_tt_destroy(bo->ttm);
+                        bo->ttm = NULL;
+                }
                 break;
         default:
                 printk(KERN_ERR TTM_PFX "Illegal buffer object type\n");
@@ -390,10 +392,12 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
          * Create and bind a ttm if required.
          */
 
-        if (!(new_man->flags & TTM_MEMTYPE_FLAG_FIXED) && (bo->ttm == NULL)) {
-                ret = ttm_bo_add_ttm(bo, false);
-                if (ret)
-                        goto out_err;
+        if (!(new_man->flags & TTM_MEMTYPE_FLAG_FIXED)) {
+                if (bo->ttm == NULL) {
+                        ret = ttm_bo_add_ttm(bo, false);
+                        if (ret)
+                                goto out_err;
+                }
 
                 ret = ttm_tt_set_placement_caching(bo->ttm, mem->placement);
                 if (ret)
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 77dbf408c0d0..ae3c6f5dd2b7 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -635,13 +635,13 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
                 if (ret)
                         return ret;
 
-                ttm_bo_free_old_node(bo);
                 if ((man->flags & TTM_MEMTYPE_FLAG_FIXED) &&
                     (bo->ttm != NULL)) {
                         ttm_tt_unbind(bo->ttm);
                         ttm_tt_destroy(bo->ttm);
                         bo->ttm = NULL;
                 }
+                ttm_bo_free_old_node(bo);
         } else {
                 /**
                  * This should help pipeline ordinary buffer moves.
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 306b15f39c9c..1130a8987125 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -589,6 +589,7 @@ config HID_WACOM_POWER_SUPPLY
 config HID_WIIMOTE
         tristate "Nintendo Wii Remote support"
         depends on BT_HIDP
+        depends on LEDS_CLASS
         ---help---
         Support for the Nintendo Wii Remote bluetooth device.
 
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index b85744fe8464..18b3bc646bf3 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -444,6 +444,12 @@ static const struct hid_device_id apple_devices[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS),
                 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
                         APPLE_RDESC_JIS },
+        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI),
+                .driver_data = APPLE_HAS_FN },
+        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO),
+                .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
+        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS),
+                .driver_data = APPLE_HAS_FN },
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
                 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO),
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 1a5cf0c9cfca..242353df3dc4 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1340,6 +1340,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index db63ccf21cc8..7d27d2b0445a 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -109,6 +109,9 @@
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI    0x0245
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ISO     0x0246
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_JIS     0x0247
+#define USB_DEVICE_ID_APPLE_ALU_REVB_ANSI       0x024f
+#define USB_DEVICE_ID_APPLE_ALU_REVB_ISO        0x0250
+#define USB_DEVICE_ID_APPLE_ALU_REVB_JIS        0x0251
 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI  0x0239
 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO   0x023a
 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS   0x023b
@@ -576,6 +579,9 @@
 #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001
 #define USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE        0x0600
 
+#define USB_VENDOR_ID_SIGMA_MICRO       0x1c4f
+#define USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD      0x0002
+
 #define USB_VENDOR_ID_SKYCABLE                  0x1223
 #define USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER       0x3F07
 
diff --git a/drivers/hid/hid-wiimote.c b/drivers/hid/hid-wiimote.c
index a594383ce03d..85a02e5f9fe8 100644
--- a/drivers/hid/hid-wiimote.c
+++ b/drivers/hid/hid-wiimote.c
@@ -10,10 +10,10 @@
  * any later version.
  */
 
-#include <linux/atomic.h>
 #include <linux/device.h>
 #include <linux/hid.h>
 #include <linux/input.h>
+#include <linux/leds.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include "hid-ids.h"
@@ -33,9 +33,9 @@ struct wiimote_state {
 };
 
 struct wiimote_data {
-        atomic_t ready;
         struct hid_device *hdev;
         struct input_dev *input;
+        struct led_classdev *leds[4];
 
         spinlock_t qlock;
         __u8 head;
@@ -53,8 +53,15 @@ struct wiimote_data {
 #define WIIPROTO_FLAGS_LEDS (WIIPROTO_FLAG_LED1 | WIIPROTO_FLAG_LED2 | \
                                         WIIPROTO_FLAG_LED3 | WIIPROTO_FLAG_LED4)
 
+/* return flag for led \num */
+#define WIIPROTO_FLAG_LED(num) (WIIPROTO_FLAG_LED1 << (num - 1))
+
 enum wiiproto_reqs {
+        WIIPROTO_REQ_NULL = 0x0,
         WIIPROTO_REQ_LED = 0x11,
+        WIIPROTO_REQ_DRM = 0x12,
+        WIIPROTO_REQ_STATUS = 0x20,
+        WIIPROTO_REQ_RETURN = 0x22,
         WIIPROTO_REQ_DRM_K = 0x30,
 };
 
@@ -87,9 +94,6 @@ static __u16 wiiproto_keymap[] = {
         BTN_MODE,       /* WIIPROTO_KEY_HOME */
 };
 
-#define dev_to_wii(pdev) hid_get_drvdata(container_of(pdev, struct hid_device, \
-                                                                        dev))
-
 static ssize_t wiimote_hid_send(struct hid_device *hdev, __u8 *buffer,
                                                                 size_t count)
 {
@@ -192,66 +196,96 @@ static void wiiproto_req_leds(struct wiimote_data *wdata, int leds)
         wiimote_queue(wdata, cmd, sizeof(cmd));
 }
 
-#define wiifs_led_show_set(num)                                         \
-static ssize_t wiifs_led_show_##num(struct device *dev,                 \
-                        struct device_attribute *attr, char *buf)       \
-{                                                                       \
-        struct wiimote_data *wdata = dev_to_wii(dev);                   \
-        unsigned long flags;                                            \
-        int state;                                                      \
-                                                                        \
-        if (!atomic_read(&wdata->ready))                                \
-                return -EBUSY;                                          \
-                                                                        \
-        spin_lock_irqsave(&wdata->state.lock, flags);                   \
-        state = !!(wdata->state.flags & WIIPROTO_FLAG_LED##num);        \
-        spin_unlock_irqrestore(&wdata->state.lock, flags);              \
-                                                                        \
-        return sprintf(buf, "%d\n", state);                             \
-}                                                                       \
-static ssize_t wiifs_led_set_##num(struct device *dev,                  \
-        struct device_attribute *attr, const char *buf, size_t count)   \
-{                                                                       \
-        struct wiimote_data *wdata = dev_to_wii(dev);                   \
-        int tmp = simple_strtoul(buf, NULL, 10);                        \
-        unsigned long flags;                                            \
-        __u8 state;                                                     \
-                                                                        \
-        if (!atomic_read(&wdata->ready))                                \
-                return -EBUSY;                                          \
-                                                                        \
-        spin_lock_irqsave(&wdata->state.lock, flags);                   \
-                                                                        \
-        state = wdata->state.flags;                                     \
-                                                                        \
-        if (tmp)                                                        \
-                wiiproto_req_leds(wdata, state | WIIPROTO_FLAG_LED##num);\
-        else                                                            \
-                wiiproto_req_leds(wdata, state & ~WIIPROTO_FLAG_LED##num);\
-                                                                        \
-        spin_unlock_irqrestore(&wdata->state.lock, flags);              \
-                                                                        \
-        return count;                                                   \
-}                                                                       \
-static DEVICE_ATTR(led##num, S_IRUGO | S_IWUSR, wiifs_led_show_##num,   \
-                                                wiifs_led_set_##num)
-
-wiifs_led_show_set(1);
-wiifs_led_show_set(2);
-wiifs_led_show_set(3);
-wiifs_led_show_set(4);
+/*
+ * Check what peripherals of the wiimote are currently
+ * active and select a proper DRM that supports all of
+ * the requested data inputs.
+ */
+static __u8 select_drm(struct wiimote_data *wdata)
+{
+        return WIIPROTO_REQ_DRM_K;
+}
+
+static void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm)
+{
+        __u8 cmd[3];
+
+        if (drm == WIIPROTO_REQ_NULL)
+                drm = select_drm(wdata);
+
+        cmd[0] = WIIPROTO_REQ_DRM;
+        cmd[1] = 0;
+        cmd[2] = drm;
+
+        wiimote_queue(wdata, cmd, sizeof(cmd));
+}
+
+static enum led_brightness wiimote_leds_get(struct led_classdev *led_dev)
+{
+        struct wiimote_data *wdata;
+        struct device *dev = led_dev->dev->parent;
+        int i;
+        unsigned long flags;
+        bool value = false;
+
+        wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev));
+
+        for (i = 0; i < 4; ++i) {
+                if (wdata->leds[i] == led_dev) {
+                        spin_lock_irqsave(&wdata->state.lock, flags);
+                        value = wdata->state.flags & WIIPROTO_FLAG_LED(i + 1);
+                        spin_unlock_irqrestore(&wdata->state.lock, flags);
+                        break;
+                }
+        }
+
+        return value ? LED_FULL : LED_OFF;
+}
+
+static void wiimote_leds_set(struct led_classdev *led_dev,
+                                                enum led_brightness value)
+{
+        struct wiimote_data *wdata;
+        struct device *dev = led_dev->dev->parent;
+        int i;
+        unsigned long flags;
+        __u8 state, flag;
+
+        wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev));
+
+        for (i = 0; i < 4; ++i) {
+                if (wdata->leds[i] == led_dev) {
+                        flag = WIIPROTO_FLAG_LED(i + 1);
+                        spin_lock_irqsave(&wdata->state.lock, flags);
+                        state = wdata->state.flags;
+                        if (value == LED_OFF)
+                                wiiproto_req_leds(wdata, state & ~flag);
+                        else
+                                wiiproto_req_leds(wdata, state | flag);
+                        spin_unlock_irqrestore(&wdata->state.lock, flags);
+                        break;
+                }
+        }
+}
 
 static int wiimote_input_event(struct input_dev *dev, unsigned int type,
                                                 unsigned int code, int value)
 {
+        return 0;
+}
+
+static int wiimote_input_open(struct input_dev *dev)
+{
         struct wiimote_data *wdata = input_get_drvdata(dev);
 
-        if (!atomic_read(&wdata->ready))
-                return -EBUSY;
-        /* smp_rmb: Make sure wdata->xy is available when wdata->ready is 1 */
-        smp_rmb();
+        return hid_hw_open(wdata->hdev);
+}
 
-        return 0;
+static void wiimote_input_close(struct input_dev *dev)
+{
+        struct wiimote_data *wdata = input_get_drvdata(dev);
+
+        hid_hw_close(wdata->hdev);
 }
 
 static void handler_keys(struct wiimote_data *wdata, const __u8 *payload)
@@ -281,6 +315,26 @@ static void handler_keys(struct wiimote_data *wdata, const __u8 *payload)
         input_sync(wdata->input);
 }
 
+static void handler_status(struct wiimote_data *wdata, const __u8 *payload)
+{
+        handler_keys(wdata, payload);
+
+        /* on status reports the drm is reset so we need to resend the drm */
+        wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
+}
+
+static void handler_return(struct wiimote_data *wdata, const __u8 *payload)
+{
+        __u8 err = payload[3];
+        __u8 cmd = payload[2];
+
+        handler_keys(wdata, payload);
+
+        if (err)
+                hid_warn(wdata->hdev, "Remote error %hhu on req %hhu\n", err,
+                                                                        cmd);
+}
+
 struct wiiproto_handler {
         __u8 id;
         size_t size;
@@ -288,6 +342,8 @@ struct wiiproto_handler {
 };
 
 static struct wiiproto_handler handlers[] = {
+        { .id = WIIPROTO_REQ_STATUS, .size = 6, .func = handler_status },
+        { .id = WIIPROTO_REQ_RETURN, .size = 4, .func = handler_return },
         { .id = WIIPROTO_REQ_DRM_K, .size = 2, .func = handler_keys },
         { .id = 0 }
 };
@@ -300,11 +356,6 @@ static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report,
         int i;
         unsigned long flags;
 
-        if (!atomic_read(&wdata->ready))
-                return -EBUSY;
-        /* smp_rmb: Make sure wdata->xy is available when wdata->ready is 1 */
-        smp_rmb();
-
         if (size < 1)
                 return -EINVAL;
 
@@ -321,6 +372,58 @@ static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report,
         return 0;
 }
 
+static void wiimote_leds_destroy(struct wiimote_data *wdata)
+{
+        int i;
+        struct led_classdev *led;
+
+        for (i = 0; i < 4; ++i) {
+                if (wdata->leds[i]) {
+                        led = wdata->leds[i];
+                        wdata->leds[i] = NULL;
+                        led_classdev_unregister(led);
+                        kfree(led);
+                }
+        }
+}
+
+static int wiimote_leds_create(struct wiimote_data *wdata)
+{
+        int i, ret;
+        struct device *dev = &wdata->hdev->dev;
+        size_t namesz = strlen(dev_name(dev)) + 9;
+        struct led_classdev *led;
+        char *name;
+
+        for (i = 0; i < 4; ++i) {
+                led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL);
+                if (!led) {
+                        ret = -ENOMEM;
+                        goto err;
+                }
+                name = (void*)&led[1];
+                snprintf(name, namesz, "%s:blue:p%d", dev_name(dev), i);
+                led->name = name;
+                led->brightness = 0;
+                led->max_brightness = 1;
+                led->brightness_get = wiimote_leds_get;
+                led->brightness_set = wiimote_leds_set;
+
+                ret = led_classdev_register(dev, led);
+                if (ret) {
+                        kfree(led);
+                        goto err;
+                }
+                wdata->leds[i] = led;
+        }
+
+        return 0;
+
+err:
+        wiimote_leds_destroy(wdata);
+        return ret;
+}
+
 static struct wiimote_data *wiimote_create(struct hid_device *hdev)
 {
         struct wiimote_data *wdata;
@@ -341,6 +444,8 @@ static struct wiimote_data *wiimote_create(struct hid_device *hdev)
 
         input_set_drvdata(wdata->input, wdata);
         wdata->input->event = wiimote_input_event;
+        wdata->input->open = wiimote_input_open;
+        wdata->input->close = wiimote_input_close;
         wdata->input->dev.parent = &wdata->hdev->dev;
         wdata->input->id.bustype = wdata->hdev->bus;
         wdata->input->id.vendor = wdata->hdev->vendor;
@@ -362,6 +467,12 @@ static struct wiimote_data *wiimote_create(struct hid_device *hdev)
 
 static void wiimote_destroy(struct wiimote_data *wdata)
 {
+        wiimote_leds_destroy(wdata);
+
+        input_unregister_device(wdata->input);
+        cancel_work_sync(&wdata->worker);
+        hid_hw_stop(wdata->hdev);
+
         kfree(wdata);
 }
 
@@ -377,19 +488,6 @@ static int wiimote_hid_probe(struct hid_device *hdev,
                 return -ENOMEM;
         }
 
-        ret = device_create_file(&hdev->dev, &dev_attr_led1);
-        if (ret)
-                goto err;
-        ret = device_create_file(&hdev->dev, &dev_attr_led2);
-        if (ret)
-                goto err;
-        ret = device_create_file(&hdev->dev, &dev_attr_led3);
-        if (ret)
-                goto err;
-        ret = device_create_file(&hdev->dev, &dev_attr_led4);
-        if (ret)
-                goto err;
-
         ret = hid_parse(hdev);
         if (ret) {
                 hid_err(hdev, "HID parse failed\n");
@@ -408,9 +506,10 @@ static int wiimote_hid_probe(struct hid_device *hdev,
                 goto err_stop;
         }
 
-        /* smp_wmb: Write wdata->xy first before wdata->ready is set to 1 */
-        smp_wmb();
-        atomic_set(&wdata->ready, 1);
+        ret = wiimote_leds_create(wdata);
+        if (ret)
+                goto err_free;
+
         hid_info(hdev, "New device registered\n");
 
         /* by default set led1 after device initialization */
@@ -420,15 +519,15 @@ static int wiimote_hid_probe(struct hid_device *hdev,
 
         return 0;
 
+err_free:
+        wiimote_destroy(wdata);
+        return ret;
+
 err_stop:
         hid_hw_stop(hdev);
 err:
         input_free_device(wdata->input);
-        device_remove_file(&hdev->dev, &dev_attr_led1);
-        device_remove_file(&hdev->dev, &dev_attr_led2);
-        device_remove_file(&hdev->dev, &dev_attr_led3);
-        device_remove_file(&hdev->dev, &dev_attr_led4);
-        wiimote_destroy(wdata);
+        kfree(wdata);
         return ret;
 }
 
@@ -437,16 +536,6 @@ static void wiimote_hid_remove(struct hid_device *hdev)
         struct wiimote_data *wdata = hid_get_drvdata(hdev);
 
         hid_info(hdev, "Device removed\n");
-
-        device_remove_file(&hdev->dev, &dev_attr_led1);
-        device_remove_file(&hdev->dev, &dev_attr_led2);
-        device_remove_file(&hdev->dev, &dev_attr_led3);
-        device_remove_file(&hdev->dev, &dev_attr_led4);
-
-        hid_hw_stop(hdev);
-        input_unregister_device(wdata->input);
-
-        cancel_work_sync(&wdata->worker);
         wiimote_destroy(wdata);
 }
 
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 621959d5cc42..4bdb5d46c52c 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -89,6 +89,7 @@ static const struct hid_blacklist {
 
         { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_MULTI_TOUCH, HID_QUIRK_MULTI_INPUT },
         { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS, HID_QUIRK_MULTI_INPUT },
+        { USB_VENDOR_ID_SIGMA_MICRO, USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD, HID_QUIRK_NO_INIT_REPORTS },
         { 0, 0 }
 };
 
diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c
index c4c40be0edbf..d22f241b6a67 100644
--- a/drivers/hwmon/i5k_amb.c
+++ b/drivers/hwmon/i5k_amb.c
@@ -114,7 +114,6 @@ struct i5k_amb_data {
         void __iomem *amb_mmio;
         struct i5k_device_attribute *attrs;
         unsigned int num_attrs;
-        unsigned long chipset_id;
 };
 
 static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
@@ -444,8 +443,6 @@ static int __devinit i5k_find_amb_registers(struct i5k_amb_data *data,
                 goto out;
         }
 
-        data->chipset_id = devid;
-
         res = 0;
 out:
         pci_dev_put(pcidev);
@@ -478,23 +475,13 @@ out:
         return res;
 }
 
-static unsigned long i5k_channel_pci_id(struct i5k_amb_data *data,
-                                        unsigned long channel)
-{
-        switch (data->chipset_id) {
-        case PCI_DEVICE_ID_INTEL_5000_ERR:
-                return PCI_DEVICE_ID_INTEL_5000_FBD0 + channel;
-        case PCI_DEVICE_ID_INTEL_5400_ERR:
-                return PCI_DEVICE_ID_INTEL_5400_FBD0 + channel;
-        default:
-                BUG();
-        }
-}
-
-static unsigned long chipset_ids[] = {
-        PCI_DEVICE_ID_INTEL_5000_ERR,
-        PCI_DEVICE_ID_INTEL_5400_ERR,
-        0
+static struct {
+        unsigned long err;
+        unsigned long fbd0;
+} chipset_ids[] __devinitdata  = {
+        { PCI_DEVICE_ID_INTEL_5000_ERR, PCI_DEVICE_ID_INTEL_5000_FBD0 },
+        { PCI_DEVICE_ID_INTEL_5400_ERR, PCI_DEVICE_ID_INTEL_5400_FBD0 },
+        { 0, 0 }
 };
 
 #ifdef MODULE
@@ -510,8 +497,7 @@ static int __devinit i5k_amb_probe(struct platform_device *pdev)
 {
         struct i5k_amb_data *data;
         struct resource *reso;
-        int i;
-        int res = -ENODEV;
+        int i, res;
 
         data = kzalloc(sizeof(*data), GFP_KERNEL);
         if (!data)
@@ -520,22 +506,22 @@ static int __devinit i5k_amb_probe(struct platform_device *pdev)
         /* Figure out where the AMB registers live */
         i = 0;
         do {
-                res = i5k_find_amb_registers(data, chipset_ids[i]);
+                res = i5k_find_amb_registers(data, chipset_ids[i].err);
+                if (res == 0)
+                        break;
                 i++;
-        } while (res && chipset_ids[i]);
+        } while (chipset_ids[i].err);
 
         if (res)
                 goto err;
 
         /* Copy the DIMM presence map for the first two channels */
-        res = i5k_channel_probe(&data->amb_present[0],
-                                i5k_channel_pci_id(data, 0));
+        res = i5k_channel_probe(&data->amb_present[0], chipset_ids[i].fbd0);
         if (res)
                 goto err;
 
         /* Copy the DIMM presence map for the optional second two channels */
-        i5k_channel_probe(&data->amb_present[2],
-                          i5k_channel_pci_id(data, 1));
+        i5k_channel_probe(&data->amb_present[2], chipset_ids[i].fbd0 + 1);
 
         /* Set up resource regions */
         reso = request_mem_region(data->amb_base, data->amb_len, DRVNAME);
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index d7926f4336b5..eab11615dced 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -211,8 +211,7 @@ static int lookup_comp(struct ntc_data *data,
         if (data->comp[mid].ohm <= ohm) {
                 *i_low = mid;
                 *i_high = mid - 1;
-        }
-        if (data->comp[mid].ohm > ohm) {
+        } else {
                 *i_low = mid + 1;
                 *i_high = mid;
         }
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 0c731ca69f15..b228e09c5d05 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -146,6 +146,7 @@ struct i2c_nmk_client {
  * @stop: stop condition
  * @xfer_complete: acknowledge completion for a I2C message
  * @result: controller propogated result
+ * @regulator: pointer to i2c regulator
  * @busy: Busy doing transfer
  */
 struct nmk_i2c_dev {
@@ -417,12 +418,12 @@ static int read_i2c(struct nmk_i2c_dev *dev)
         writel(readl(dev->virtbase + I2C_IMSCR) | irq_mask,
                         dev->virtbase + I2C_IMSCR);
 
-        timeout = wait_for_completion_interruptible_timeout(
+        timeout = wait_for_completion_timeout(
                 &dev->xfer_complete, dev->adap.timeout);
 
         if (timeout < 0) {
                 dev_err(&dev->pdev->dev,
-                        "wait_for_completion_interruptible_timeout"
+                        "wait_for_completion_timeout"
                         "returned %d waiting for event\n", timeout);
                 status = timeout;
         }
@@ -504,12 +505,12 @@ static int write_i2c(struct nmk_i2c_dev *dev)
         writel(readl(dev->virtbase + I2C_IMSCR) | irq_mask,
                         dev->virtbase + I2C_IMSCR);
 
-        timeout = wait_for_completion_interruptible_timeout(
+        timeout = wait_for_completion_timeout(
                 &dev->xfer_complete, dev->adap.timeout);
 
         if (timeout < 0) {
                 dev_err(&dev->pdev->dev,
-                        "wait_for_completion_interruptible_timeout"
+                        "wait_for_completion_timeout "
                         "returned %d waiting for event\n", timeout);
                 status = timeout;
         }
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 1a766cf74f6b..2dfb63176856 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1139,41 +1139,12 @@ omap_i2c_remove(struct platform_device *pdev)
         return 0;
 }
 
-#ifdef CONFIG_SUSPEND
-static int omap_i2c_suspend(struct device *dev)
-{
-        if (!pm_runtime_suspended(dev))
-                if (dev->bus && dev->bus->pm && dev->bus->pm->runtime_suspend)
-                        dev->bus->pm->runtime_suspend(dev);
-
-        return 0;
-}
-
-static int omap_i2c_resume(struct device *dev)
-{
-        if (!pm_runtime_suspended(dev))
-                if (dev->bus && dev->bus->pm && dev->bus->pm->runtime_resume)
-                        dev->bus->pm->runtime_resume(dev);
-
-        return 0;
-}
-
-static struct dev_pm_ops omap_i2c_pm_ops = {
-        .suspend = omap_i2c_suspend,
-        .resume = omap_i2c_resume,
-};
-#define OMAP_I2C_PM_OPS (&omap_i2c_pm_ops)
-#else
-#define OMAP_I2C_PM_OPS NULL
-#endif
-
 static struct platform_driver omap_i2c_driver = {
         .probe          = omap_i2c_probe,
         .remove         = omap_i2c_remove,
         .driver         = {
                 .name   = "omap_i2c",
                 .owner  = THIS_MODULE,
-                .pm     = OMAP_I2C_PM_OPS,
         },
 };
 
diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 9882971827e6..358cd7ee905b 100644
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -139,7 +139,7 @@ struct analog_port {
 #include <linux/i8253.h>
 
 #define GET_TIME(x)     do { if (cpu_has_tsc) rdtscl(x); else x = get_time_pit(); } while (0)
-#define DELTA(x,y)      (cpu_has_tsc ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? CLOCK_TICK_RATE / HZ : 0)))
+#define DELTA(x,y)      (cpu_has_tsc ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? PIT_TICK_RATE / HZ : 0)))
 #define TIME_NAME       (cpu_has_tsc?"TSC":"PIT")
 static unsigned int get_time_pit(void)
 {
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index c8242dd190d0..aa17e024d803 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -20,6 +20,7 @@
  * flag.
  */
 
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/clk.h>
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index f270447ba951..a5a77915c650 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -702,7 +702,7 @@ err_iounmap:
 err_free_mem_region:
         release_mem_region(res->start, resource_size(res));
 err_free_mem:
-        input_free_device(kbc->idev);
+        input_free_device(input_dev);
         kfree(kbc);
 
         return err;
diff --git a/drivers/input/misc/ad714x-i2c.c b/drivers/input/misc/ad714x-i2c.c
index e21deb1baa8a..025417d74ca2 100644
--- a/drivers/input/misc/ad714x-i2c.c
+++ b/drivers/input/misc/ad714x-i2c.c
@@ -1,7 +1,7 @@
 /*
  * AD714X CapTouch Programmable Controller driver (I2C bus)
  *
- * Copyright 2009 Analog Devices Inc.
+ * Copyright 2009-2011 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -27,54 +27,49 @@ static int ad714x_i2c_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(ad714x_i2c_pm, ad714x_i2c_suspend, ad714x_i2c_resume);
 
-static int ad714x_i2c_write(struct device *dev, unsigned short reg,
-                                unsigned short data)
+static int ad714x_i2c_write(struct ad714x_chip *chip,
+                            unsigned short reg, unsigned short data)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        int ret = 0;
-        u8 *_reg = (u8 *)&reg;
-        u8 *_data = (u8 *)&data;
-
-        u8 tx[4] = {
-                _reg[1],
-                _reg[0],
-                _data[1],
-                _data[0]
-        };
-
-        ret = i2c_master_send(client, tx, 4);
-        if (ret < 0)
-                dev_err(&client->dev, "I2C write error\n");
-
-        return ret;
+        struct i2c_client *client = to_i2c_client(chip->dev);
+        int error;
+
+        chip->xfer_buf[0] = cpu_to_be16(reg);
+        chip->xfer_buf[1] = cpu_to_be16(data);
+
+        error = i2c_master_send(client, (u8 *)chip->xfer_buf,
+                                2 * sizeof(*chip->xfer_buf));
+        if (unlikely(error < 0)) {
+                dev_err(&client->dev, "I2C write error: %d\n", error);
+                return error;
+        }
+
+        return 0;
 }
 
-static int ad714x_i2c_read(struct device *dev, unsigned short reg,
-                                unsigned short *data)
+static int ad714x_i2c_read(struct ad714x_chip *chip,
+                           unsigned short reg, unsigned short *data, size_t len)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        int ret = 0;
-        u8 *_reg = (u8 *)&reg;
-        u8 *_data = (u8 *)data;
-
-        u8 tx[2] = {
-                _reg[1],
-                _reg[0]
-        };
-        u8 rx[2];
-
-        ret = i2c_master_send(client, tx, 2);
-        if (ret >= 0)
-                ret = i2c_master_recv(client, rx, 2);
-
-        if (unlikely(ret < 0)) {
-                dev_err(&client->dev, "I2C read error\n");
-        } else {
-                _data[0] = rx[1];
-                _data[1] = rx[0];
+        struct i2c_client *client = to_i2c_client(chip->dev);
+        int i;
+        int error;
+
+        chip->xfer_buf[0] = cpu_to_be16(reg);
+
+        error = i2c_master_send(client, (u8 *)chip->xfer_buf,
+                                sizeof(*chip->xfer_buf));
+        if (error >= 0)
+                error = i2c_master_recv(client, (u8 *)chip->xfer_buf,
+                                        len * sizeof(*chip->xfer_buf));
+
+        if (unlikely(error < 0)) {
+                dev_err(&client->dev, "I2C read error: %d\n", error);
+                return error;
         }
 
-        return ret;
+        for (i = 0; i < len; i++)
+                data[i] = be16_to_cpu(chip->xfer_buf[i]);
+
+        return 0;
 }
 
 static int __devinit ad714x_i2c_probe(struct i2c_client *client,
diff --git a/drivers/input/misc/ad714x-spi.c b/drivers/input/misc/ad714x-spi.c
index 4120dd549305..875b50811361 100644
--- a/drivers/input/misc/ad714x-spi.c
+++ b/drivers/input/misc/ad714x-spi.c
@@ -1,12 +1,12 @@
 /*
  * AD714X CapTouch Programmable Controller driver (SPI bus)
  *
- * Copyright 2009 Analog Devices Inc.
+ * Copyright 2009-2011 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
 
-#include <linux/input.h>        /* BUS_I2C */
+#include <linux/input.h>        /* BUS_SPI */
 #include <linux/module.h>
 #include <linux/spi/spi.h>
 #include <linux/pm.h>
@@ -30,30 +30,68 @@ static int ad714x_spi_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(ad714x_spi_pm, ad714x_spi_suspend, ad714x_spi_resume);
 
-static int ad714x_spi_read(struct device *dev, unsigned short reg,
-                unsigned short *data)
+static int ad714x_spi_read(struct ad714x_chip *chip,
+                           unsigned short reg, unsigned short *data, size_t len)
 {
-        struct spi_device *spi = to_spi_device(dev);
-        unsigned short tx = AD714x_SPI_CMD_PREFIX | AD714x_SPI_READ | reg;
+        struct spi_device *spi = to_spi_device(chip->dev);
+        struct spi_message message;
+        struct spi_transfer xfer[2];
+        int i;
+        int error;
+
+        spi_message_init(&message);
+        memset(xfer, 0, sizeof(xfer));
+
+        chip->xfer_buf[0] = cpu_to_be16(AD714x_SPI_CMD_PREFIX |
+                                        AD714x_SPI_READ | reg);
+        xfer[0].tx_buf = &chip->xfer_buf[0];
+        xfer[0].len = sizeof(chip->xfer_buf[0]);
+        spi_message_add_tail(&xfer[0], &message);
+
+        xfer[1].rx_buf = &chip->xfer_buf[1];
+        xfer[1].len = sizeof(chip->xfer_buf[1]) * len;
+        spi_message_add_tail(&xfer[1], &message);
+
+        error = spi_sync(spi, &message);
+        if (unlikely(error)) {
+                dev_err(chip->dev, "SPI read error: %d\n", error);
+                return error;
+        }
+
+        for (i = 0; i < len; i++)
+                data[i] = be16_to_cpu(chip->xfer_buf[i + 1]);
 
-        return spi_write_then_read(spi, (u8 *)&tx, 2, (u8 *)data, 2);
+        return 0;
 }
 
-static int ad714x_spi_write(struct device *dev, unsigned short reg,
-                unsigned short data)
+static int ad714x_spi_write(struct ad714x_chip *chip,
+                            unsigned short reg, unsigned short data)
 {
-        struct spi_device *spi = to_spi_device(dev);
-        unsigned short tx[2] = {
-                AD714x_SPI_CMD_PREFIX | reg,
-                data
-        };
+        struct spi_device *spi = to_spi_device(chip->dev);
+        int error;
+
+        chip->xfer_buf[0] = cpu_to_be16(AD714x_SPI_CMD_PREFIX | reg);
+        chip->xfer_buf[1] = cpu_to_be16(data);
+
+        error = spi_write(spi, (u8 *)chip->xfer_buf,
+                          2 * sizeof(*chip->xfer_buf));
+        if (unlikely(error)) {
+                dev_err(chip->dev, "SPI write error: %d\n", error);
+                return error;
+        }
 
-        return spi_write(spi, (u8 *)tx, 4);
+        return 0;
 }
 
 static int __devinit ad714x_spi_probe(struct spi_device *spi)
 {
         struct ad714x_chip *chip;
+        int err;
+
+        spi->bits_per_word = 8;
+        err = spi_setup(spi);
+        if (err < 0)
+                return err;
 
         chip = ad714x_probe(&spi->dev, BUS_SPI, spi->irq,
                             ad714x_spi_read, ad714x_spi_write);
diff --git a/drivers/input/misc/ad714x.c b/drivers/input/misc/ad714x.c
index c3a62c42cd28..ca42c7d2a3c7 100644
--- a/drivers/input/misc/ad714x.c
+++ b/drivers/input/misc/ad714x.c
@@ -1,7 +1,7 @@
 /*
  * AD714X CapTouch Programmable Controller driver supporting AD7142/3/7/8/7A
  *
- * Copyright 2009 Analog Devices Inc.
+ * Copyright 2009-2011 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -59,7 +59,6 @@
 #define STAGE11_AMBIENT         0x27D
 
 #define PER_STAGE_REG_NUM      36
-#define STAGE_NUM              12
 #define STAGE_CFGREG_NUM       8
 #define SYS_CFGREG_NUM         8
 
@@ -124,27 +123,6 @@ struct ad714x_driver_data {
  * information to integrate all things which will be private data
  * of spi/i2c device
  */
-struct ad714x_chip {
-        unsigned short h_state;
-        unsigned short l_state;
-        unsigned short c_state;
-        unsigned short adc_reg[STAGE_NUM];
-        unsigned short amb_reg[STAGE_NUM];
-        unsigned short sensor_val[STAGE_NUM];
-
-        struct ad714x_platform_data *hw;
-        struct ad714x_driver_data *sw;
-
-        int irq;
-        struct device *dev;
-        ad714x_read_t read;
-        ad714x_write_t write;
-
-        struct mutex mutex;
-
-        unsigned product;
-        unsigned version;
-};
 
 static void ad714x_use_com_int(struct ad714x_chip *ad714x,
                                 int start_stage, int end_stage)
@@ -154,13 +132,13 @@ static void ad714x_use_com_int(struct ad714x_chip *ad714x,
 
         mask = ((1 << (end_stage + 1)) - 1) - ((1 << start_stage) - 1);
 
-        ad714x->read(ad714x->dev, STG_COM_INT_EN_REG, &data);
+        ad714x->read(ad714x, STG_COM_INT_EN_REG, &data, 1);
         data |= 1 << end_stage;
-        ad714x->write(ad714x->dev, STG_COM_INT_EN_REG, data);
+        ad714x->write(ad714x, STG_COM_INT_EN_REG, data);
 
-        ad714x->read(ad714x->dev, STG_HIGH_INT_EN_REG, &data);
+        ad714x->read(ad714x, STG_HIGH_INT_EN_REG, &data, 1);
         data &= ~mask;
-        ad714x->write(ad714x->dev, STG_HIGH_INT_EN_REG, data);
+        ad714x->write(ad714x, STG_HIGH_INT_EN_REG, data);
 }
 
 static void ad714x_use_thr_int(struct ad714x_chip *ad714x,
@@ -171,13 +149,13 @@ static void ad714x_use_thr_int(struct ad714x_chip *ad714x,
 
         mask = ((1 << (end_stage + 1)) - 1) - ((1 << start_stage) - 1);
 
-        ad714x->read(ad714x->dev, STG_COM_INT_EN_REG, &data);
+        ad714x->read(ad714x, STG_COM_INT_EN_REG, &data, 1);
         data &= ~(1 << end_stage);
-        ad714x->write(ad714x->dev, STG_COM_INT_EN_REG, data);
+        ad714x->write(ad714x, STG_COM_INT_EN_REG, data);
 
-        ad714x->read(ad714x->dev, STG_HIGH_INT_EN_REG, &data);
+        ad714x->read(ad714x, STG_HIGH_INT_EN_REG, &data, 1);
         data |= mask;
-        ad714x->write(ad714x->dev, STG_HIGH_INT_EN_REG, data);
+        ad714x->write(ad714x, STG_HIGH_INT_EN_REG, data);
 }
 
 static int ad714x_cal_highest_stage(struct ad714x_chip *ad714x,
@@ -273,15 +251,16 @@ static void ad714x_slider_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
         struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
         int i;
 
+        ad714x->read(ad714x, CDC_RESULT_S0 + hw->start_stage,
+                        &ad714x->adc_reg[hw->start_stage],
+                        hw->end_stage - hw->start_stage + 1);
+
         for (i = hw->start_stage; i <= hw->end_stage; i++) {
-                ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
-                        &ad714x->adc_reg[i]);
-                ad714x->read(ad714x->dev,
-                                STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
-                                &ad714x->amb_reg[i]);
-
-                ad714x->sensor_val[i] = abs(ad714x->adc_reg[i] -
-                                ad714x->amb_reg[i]);
+                ad714x->read(ad714x, STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+                                &ad714x->amb_reg[i], 1);
+
+                ad714x->sensor_val[i] =
+                        abs(ad714x->adc_reg[i] - ad714x->amb_reg[i]);
         }
 }
 
@@ -444,15 +423,16 @@ static void ad714x_wheel_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
         struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
         int i;
 
+        ad714x->read(ad714x, CDC_RESULT_S0 + hw->start_stage,
+                        &ad714x->adc_reg[hw->start_stage],
+                        hw->end_stage - hw->start_stage + 1);
+
         for (i = hw->start_stage; i <= hw->end_stage; i++) {
-                ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
-                        &ad714x->adc_reg[i]);
-                ad714x->read(ad714x->dev,
-                                STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
-                                &ad714x->amb_reg[i]);
+                ad714x->read(ad714x, STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+                                &ad714x->amb_reg[i], 1);
                 if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
-                        ad714x->sensor_val[i] = ad714x->adc_reg[i] -
-                                ad714x->amb_reg[i];
+                        ad714x->sensor_val[i] =
+                                ad714x->adc_reg[i] - ad714x->amb_reg[i];
                 else
                         ad714x->sensor_val[i] = 0;
         }
@@ -597,15 +577,16 @@ static void touchpad_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
         struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
         int i;
 
+        ad714x->read(ad714x, CDC_RESULT_S0 + hw->x_start_stage,
+                        &ad714x->adc_reg[hw->x_start_stage],
+                        hw->x_end_stage - hw->x_start_stage + 1);
+
         for (i = hw->x_start_stage; i <= hw->x_end_stage; i++) {
-                ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
-                                &ad714x->adc_reg[i]);
-                ad714x->read(ad714x->dev,
-                                STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
-                                &ad714x->amb_reg[i]);
+                ad714x->read(ad714x, STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+                                &ad714x->amb_reg[i], 1);
                 if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
-                        ad714x->sensor_val[i] = ad714x->adc_reg[i] -
-                                ad714x->amb_reg[i];
+                        ad714x->sensor_val[i] =
+                                ad714x->adc_reg[i] - ad714x->amb_reg[i];
                 else
                         ad714x->sensor_val[i] = 0;
         }
@@ -891,7 +872,7 @@ static int ad714x_hw_detect(struct ad714x_chip *ad714x)
 {
         unsigned short data;
 
-        ad714x->read(ad714x->dev, AD714X_PARTID_REG, &data);
+        ad714x->read(ad714x, AD714X_PARTID_REG, &data, 1);
         switch (data & 0xFFF0) {
         case AD7142_PARTID:
                 ad714x->product = 0x7142;
@@ -940,23 +921,20 @@ static void ad714x_hw_init(struct ad714x_chip *ad714x)
         for (i = 0; i < STAGE_NUM; i++) {
                 reg_base = AD714X_STAGECFG_REG + i * STAGE_CFGREG_NUM;
                 for (j = 0; j < STAGE_CFGREG_NUM; j++)
-                        ad714x->write(ad714x->dev, reg_base + j,
+                        ad714x->write(ad714x, reg_base + j,
                                         ad714x->hw->stage_cfg_reg[i][j]);
         }
 
         for (i = 0; i < SYS_CFGREG_NUM; i++)
-                ad714x->write(ad714x->dev, AD714X_SYSCFG_REG + i,
+                ad714x->write(ad714x, AD714X_SYSCFG_REG + i,
                         ad714x->hw->sys_cfg_reg[i]);
         for (i = 0; i < SYS_CFGREG_NUM; i++)
-                ad714x->read(ad714x->dev, AD714X_SYSCFG_REG + i,
-                        &data);
+                ad714x->read(ad714x, AD714X_SYSCFG_REG + i, &data, 1);
 
-        ad714x->write(ad714x->dev, AD714X_STG_CAL_EN_REG, 0xFFF);
+        ad714x->write(ad714x, AD714X_STG_CAL_EN_REG, 0xFFF);
 
         /* clear all interrupts */
-        ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &data);
-        ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &data);
-        ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &data);
+        ad714x->read(ad714x, STG_LOW_INT_STA_REG, &ad714x->l_state, 3);
 }
 
 static irqreturn_t ad714x_interrupt_thread(int irq, void *data)
@@ -966,9 +944,7 @@ static irqreturn_t ad714x_interrupt_thread(int irq, void *data)
 
         mutex_lock(&ad714x->mutex);
 
-        ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &ad714x->l_state);
-        ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &ad714x->h_state);
-        ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &ad714x->c_state);
+        ad714x->read(ad714x, STG_LOW_INT_STA_REG, &ad714x->l_state, 3);
 
         for (i = 0; i < ad714x->hw->button_num; i++)
                 ad714x_button_state_machine(ad714x, i);
@@ -1245,7 +1221,7 @@ int ad714x_disable(struct ad714x_chip *ad714x)
         mutex_lock(&ad714x->mutex);
 
         data = ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL] | 0x3;
-        ad714x->write(ad714x->dev, AD714X_PWR_CTRL, data);
+        ad714x->write(ad714x, AD714X_PWR_CTRL, data);
 
         mutex_unlock(&ad714x->mutex);
 
@@ -1255,24 +1231,20 @@ EXPORT_SYMBOL(ad714x_disable);
 
 int ad714x_enable(struct ad714x_chip *ad714x)
 {
-        unsigned short data;
-
         dev_dbg(ad714x->dev, "%s enter\n", __func__);
 
         mutex_lock(&ad714x->mutex);
 
         /* resume to non-shutdown mode */
 
-        ad714x->write(ad714x->dev, AD714X_PWR_CTRL,
+        ad714x->write(ad714x, AD714X_PWR_CTRL,
                         ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL]);
 
         /* make sure the interrupt output line is not low level after resume,
          * otherwise we will get no chance to enter falling-edge irq again
          */
 
-        ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &data);
-        ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &data);
-        ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &data);
+        ad714x->read(ad714x, STG_LOW_INT_STA_REG, &ad714x->l_state, 3);
 
         mutex_unlock(&ad714x->mutex);
 
diff --git a/drivers/input/misc/ad714x.h b/drivers/input/misc/ad714x.h
index 45c54fb13f07..3c85455aa66d 100644
--- a/drivers/input/misc/ad714x.h
+++ b/drivers/input/misc/ad714x.h
@@ -1,7 +1,7 @@
 /*
  * AD714X CapTouch Programmable Controller driver (bus interfaces)
  *
- * Copyright 2009 Analog Devices Inc.
+ * Copyright 2009-2011 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -11,11 +11,40 @@
 
 #include <linux/types.h>
 
+#define STAGE_NUM              12
+
 struct device;
+struct ad714x_platform_data;
+struct ad714x_driver_data;
 struct ad714x_chip;
 
-typedef int (*ad714x_read_t)(struct device *, unsigned short, unsigned short *);
-typedef int (*ad714x_write_t)(struct device *, unsigned short, unsigned short);
+typedef int (*ad714x_read_t)(struct ad714x_chip *, unsigned short, unsigned short *, size_t);
+typedef int (*ad714x_write_t)(struct ad714x_chip *, unsigned short, unsigned short);
+
+struct ad714x_chip {
+        unsigned short l_state;
+        unsigned short h_state;
+        unsigned short c_state;
+        unsigned short adc_reg[STAGE_NUM];
+        unsigned short amb_reg[STAGE_NUM];
+        unsigned short sensor_val[STAGE_NUM];
+
+        struct ad714x_platform_data *hw;
+        struct ad714x_driver_data *sw;
+
+        int irq;
+        struct device *dev;
+        ad714x_read_t read;
+        ad714x_write_t write;
+
+        struct mutex mutex;
+
+        unsigned product;
+        unsigned version;
+
+        __be16 xfer_buf[16] ____cacheline_aligned;
+
+};
 
 int ad714x_disable(struct ad714x_chip *ad714x);
 int ad714x_enable(struct ad714x_chip *ad714x);
diff --git a/drivers/input/misc/mma8450.c b/drivers/input/misc/mma8450.c
index 6c76cf792991..0794778295fc 100644
--- a/drivers/input/misc/mma8450.c
+++ b/drivers/input/misc/mma8450.c
@@ -234,7 +234,7 @@ static const struct of_device_id mma8450_dt_ids[] = {
         { .compatible = "fsl,mma8450", },
         { /* sentinel */ }
 };
-MODULE_DEVICE_TABLE(i2c, mma8450_dt_ids);
+MODULE_DEVICE_TABLE(of, mma8450_dt_ids);
 
 static struct i2c_driver mma8450_driver = {
         .driver = {
diff --git a/drivers/input/misc/mpu3050.c b/drivers/input/misc/mpu3050.c
index b95fac15b2ea..f71dc728da58 100644
--- a/drivers/input/misc/mpu3050.c
+++ b/drivers/input/misc/mpu3050.c
@@ -282,7 +282,7 @@ err_free_irq:
 err_pm_set_suspended:
         pm_runtime_set_suspended(&client->dev);
 err_free_mem:
-        input_unregister_device(idev);
+        input_free_device(idev);
         kfree(sensor);
         return error;
 }
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index 3126983c004a..da280189ef07 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -67,6 +67,14 @@
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI    0x0245
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ISO     0x0246
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_JIS     0x0247
+/* MacbookAir4,2 (unibody, July 2011) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI    0x024c
+#define USB_DEVICE_ID_APPLE_WELLSPRING6_ISO     0x024d
+#define USB_DEVICE_ID_APPLE_WELLSPRING6_JIS     0x024e
+/* Macbook8,2 (unibody) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI   0x0252
+#define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO    0x0253
+#define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS    0x0254
 
 #define BCM5974_DEVICE(prod) {                                  \
         .match_flags = (USB_DEVICE_ID_MATCH_DEVICE |            \
@@ -104,6 +112,14 @@ static const struct usb_device_id bcm5974_table[] = {
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI),
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ISO),
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_JIS),
+        /* MacbookAir4,2 */
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI),
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ISO),
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_JIS),
+        /* MacbookPro8,2 */
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI),
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO),
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS),
         /* Terminating entry */
         {}
 };
@@ -294,6 +310,30 @@ static const struct bcm5974_config bcm5974_config_table[] = {
                 { DIM_X, DIM_X / SN_COORD, -4415, 5050 },
                 { DIM_Y, DIM_Y / SN_COORD, -55, 6680 }
         },
+        {
+                USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI,
+                USB_DEVICE_ID_APPLE_WELLSPRING6_ISO,
+                USB_DEVICE_ID_APPLE_WELLSPRING6_JIS,
+                HAS_INTEGRATED_BUTTON,
+                0x84, sizeof(struct bt_data),
+                0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+                { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 },
+                { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
+                { DIM_X, DIM_X / SN_COORD, -4620, 5140 },
+                { DIM_Y, DIM_Y / SN_COORD, -150, 6600 }
+        },
+        {
+                USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI,
+                USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO,
+                USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS,
+                HAS_INTEGRATED_BUTTON,
+                0x84, sizeof(struct bt_data),
+                0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+                { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 },
+                { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
+                { DIM_X, DIM_X / SN_COORD, -4750, 5280 },
+                { DIM_Y, DIM_Y / SN_COORD, -150, 6730 }
+        },
         {}
 };
 
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 449c0a46dbac..d27c9d91630b 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -49,6 +49,7 @@ struct hid_descriptor {
 #define USB_REQ_GET_REPORT      0x01
 #define USB_REQ_SET_REPORT      0x09
 #define WAC_HID_FEATURE_REPORT  0x03
+#define WAC_MSG_RETRIES         5
 
 static int usb_get_report(struct usb_interface *intf, unsigned char type,
                                 unsigned char id, void *buf, int size)
@@ -165,7 +166,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
                         report,
                         hid_desc->wDescriptorLength,
                         5000); /* 5 secs */
-        } while (result < 0 && limit++ < 5);
+        } while (result < 0 && limit++ < WAC_MSG_RETRIES);
 
         /* No need to parse the Descriptor. It isn't an error though */
         if (result < 0)
@@ -319,24 +320,26 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat
         int limit = 0, report_id = 2;
         int error = -ENOMEM;
 
-        rep_data = kmalloc(2, GFP_KERNEL);
+        rep_data = kmalloc(4, GFP_KERNEL);
         if (!rep_data)
                 return error;
 
-        /* ask to report tablet data if it is 2FGT Tablet PC or
+        /* ask to report tablet data if it is MT Tablet PC or
          * not a Tablet PC */
         if (features->type == TABLETPC2FG) {
                 do {
                         rep_data[0] = 3;
                         rep_data[1] = 4;
+                        rep_data[2] = 0;
+                        rep_data[3] = 0;
                         report_id = 3;
                         error = usb_set_report(intf, WAC_HID_FEATURE_REPORT,
-                                report_id, rep_data, 2);
+                                report_id, rep_data, 4);
                         if (error >= 0)
                                 error = usb_get_report(intf,
                                         WAC_HID_FEATURE_REPORT, report_id,
-                                        rep_data, 3);
-                } while ((error < 0 || rep_data[1] != 4) && limit++ < 5);
+                                        rep_data, 4);
+                } while ((error < 0 || rep_data[1] != 4) && limit++ < WAC_MSG_RETRIES);
         } else if (features->type != TABLETPC) {
                 do {
                         rep_data[0] = 2;
@@ -347,7 +350,7 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat
                                 error = usb_get_report(intf,
                                         WAC_HID_FEATURE_REPORT, report_id,
                                         rep_data, 2);
-                } while ((error < 0 || rep_data[1] != 2) && limit++ < 5);
+                } while ((error < 0 || rep_data[1] != 2) && limit++ < WAC_MSG_RETRIES);
         }
 
         kfree(rep_data);
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 03ebcc8b24b5..c1c2f7b28d89 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1460,6 +1460,9 @@ static const struct wacom_features wacom_features_0xD3 =
 static const struct wacom_features wacom_features_0xD4 =
         { "Wacom Bamboo Pen",     WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
           63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0xD5 =
+        { "Wacom Bamboo Pen 6x8",     WACOM_PKGLEN_BBFUN, 21648, 13530, 1023,
+          63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0xD6 =
         { "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN,   14720,  9200, 1023,
           63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@@ -1564,6 +1567,7 @@ const struct usb_device_id wacom_ids[] = {
         { USB_DEVICE_WACOM(0xD2) },
         { USB_DEVICE_WACOM(0xD3) },
         { USB_DEVICE_WACOM(0xD4) },
+        { USB_DEVICE_WACOM(0xD5) },
         { USB_DEVICE_WACOM(0xD6) },
         { USB_DEVICE_WACOM(0xD7) },
         { USB_DEVICE_WACOM(0xD8) },
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index ae00604a6a81..f5d66859f232 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -244,6 +244,7 @@ struct mxt_finger {
         int x;
         int y;
         int area;
+        int pressure;
 };
 
 /* Each client has this additional data */
@@ -536,6 +537,8 @@ static void mxt_input_report(struct mxt_data *data, int single_id)
                                         finger[id].x);
                         input_report_abs(input_dev, ABS_MT_POSITION_Y,
                                         finger[id].y);
+                        input_report_abs(input_dev, ABS_MT_PRESSURE,
+                                        finger[id].pressure);
                 } else {
                         finger[id].status = 0;
                 }
@@ -546,6 +549,8 @@ static void mxt_input_report(struct mxt_data *data, int single_id)
         if (status != MXT_RELEASE) {
                 input_report_abs(input_dev, ABS_X, finger[single_id].x);
                 input_report_abs(input_dev, ABS_Y, finger[single_id].y);
+                input_report_abs(input_dev,
+                                 ABS_PRESSURE, finger[single_id].pressure);
         }
 
         input_sync(input_dev);
@@ -560,6 +565,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
         int x;
         int y;
         int area;
+        int pressure;
 
         /* Check the touch is present on the screen */
         if (!(status & MXT_DETECT)) {
@@ -584,6 +590,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
                 y = y >> 2;
 
         area = message->message[4];
+        pressure = message->message[5];
 
         dev_dbg(dev, "[%d] %s x: %d, y: %d, area: %d\n", id,
                 status & MXT_MOVE ? "moved" : "pressed",
@@ -594,6 +601,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
         finger[id].x = x;
         finger[id].y = y;
         finger[id].area = area;
+        finger[id].pressure = pressure;
 
         mxt_input_report(data, id);
 }
@@ -1116,6 +1124,8 @@ static int __devinit mxt_probe(struct i2c_client *client,
                              0, data->max_x, 0, 0);
         input_set_abs_params(input_dev, ABS_Y,
                              0, data->max_y, 0, 0);
+        input_set_abs_params(input_dev, ABS_PRESSURE,
+                             0, 255, 0, 0);
 
         /* For multi touch */
         input_mt_init_slots(input_dev, MXT_MAX_FINGER);
@@ -1125,6 +1135,8 @@ static int __devinit mxt_probe(struct i2c_client *client,
                              0, data->max_x, 0, 0);
         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
                              0, data->max_y, 0, 0);
+        input_set_abs_params(input_dev, ABS_MT_PRESSURE,
+                             0, 255, 0, 0);
 
         input_set_drvdata(input_dev, data);
         i2c_set_clientdata(client, data);
diff --git a/drivers/input/touchscreen/max11801_ts.c b/drivers/input/touchscreen/max11801_ts.c
index 4f2713d92791..4627fe55b401 100644
--- a/drivers/input/touchscreen/max11801_ts.c
+++ b/drivers/input/touchscreen/max11801_ts.c
@@ -9,7 +9,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  */
 
 /*
diff --git a/drivers/input/touchscreen/tnetv107x-ts.c b/drivers/input/touchscreen/tnetv107x-ts.c
index 089b0a0f3d8c..0e8f63e5b36f 100644
--- a/drivers/input/touchscreen/tnetv107x-ts.c
+++ b/drivers/input/touchscreen/tnetv107x-ts.c
@@ -13,6 +13,7 @@
  * GNU General Public License for more details.
  */
 
+#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/err.h>
 #include <linux/errno.h>
diff --git a/drivers/leds/leds-ams-delta.c b/drivers/leds/leds-ams-delta.c
index b9826032450b..8c00937bf7e7 100644
--- a/drivers/leds/leds-ams-delta.c
+++ b/drivers/leds/leds-ams-delta.c
@@ -8,6 +8,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
diff --git a/drivers/leds/leds-bd2802.c b/drivers/leds/leds-bd2802.c
index 3ebe3824662d..ea2185531f82 100644
--- a/drivers/leds/leds-bd2802.c
+++ b/drivers/leds/leds-bd2802.c
@@ -662,6 +662,11 @@ failed_unregister_led1_R:
 static void bd2802_unregister_led_classdev(struct bd2802_led *led)
 {
         cancel_work_sync(&led->work);
+        led_classdev_unregister(&led->cdev_led2b);
+        led_classdev_unregister(&led->cdev_led2g);
+        led_classdev_unregister(&led->cdev_led2r);
+        led_classdev_unregister(&led->cdev_led1b);
+        led_classdev_unregister(&led->cdev_led1g);
         led_classdev_unregister(&led->cdev_led1r);
 }
 
diff --git a/drivers/leds/leds-hp6xx.c b/drivers/leds/leds-hp6xx.c
index e4ce1fd46338..bcfbd3a60eab 100644
--- a/drivers/leds/leds-hp6xx.c
+++ b/drivers/leds/leds-hp6xx.c
@@ -10,6 +10,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 0a4d86c6c4a4..2d6423c2d193 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -146,6 +146,7 @@ config PHANTOM
 
 config INTEL_MID_PTI
         tristate "Parallel Trace Interface for MIPI P1149.7 cJTAG standard"
+        depends on PCI
         default n
         help
           The PTI (Parallel Trace Interface) driver directs
diff --git a/drivers/misc/ab8500-pwm.c b/drivers/misc/ab8500-pwm.c
index 54e3d05b63cc..35903154ca2e 100644
--- a/drivers/misc/ab8500-pwm.c
+++ b/drivers/misc/ab8500-pwm.c
@@ -164,5 +164,5 @@ subsys_initcall(ab8500_pwm_init);
 module_exit(ab8500_pwm_exit);
 MODULE_AUTHOR("Arun MURTHY <arun.murthy@stericsson.com>");
 MODULE_DESCRIPTION("AB8500 Pulse Width Modulation Driver");
-MODULE_ALIAS("AB8500 PWM driver");
+MODULE_ALIAS("platform:ab8500-pwm");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/misc/fsa9480.c b/drivers/misc/fsa9480.c
index 5325a7e70dcf..27dc0d21aafa 100644
--- a/drivers/misc/fsa9480.c
+++ b/drivers/misc/fsa9480.c
@@ -455,7 +455,7 @@ static int __devinit fsa9480_probe(struct i2c_client *client,
 
 fail2:
         if (client->irq)
-                free_irq(client->irq, NULL);
+                free_irq(client->irq, usbsw);
 fail1:
         i2c_set_clientdata(client, NULL);
         kfree(usbsw);
@@ -466,7 +466,7 @@ static int __devexit fsa9480_remove(struct i2c_client *client)
 {
         struct fsa9480_usbsw *usbsw = i2c_get_clientdata(client);
         if (client->irq)
-                free_irq(client->irq, NULL);
+                free_irq(client->irq, usbsw);
         i2c_set_clientdata(client, NULL);
 
         sysfs_remove_group(&client->dev.kobj, &fsa9480_group);
diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c
index 8653bd0b1a33..06df1877ad0f 100644
--- a/drivers/misc/pti.c
+++ b/drivers/misc/pti.c
@@ -33,6 +33,8 @@
 #include <linux/mutex.h>
 #include <linux/miscdevice.h>
 #include <linux/pti.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
 
 #define DRIVERNAME              "pti"
 #define PCINAME                 "pciPTI"
diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c
index 54c91ffe4a91..ba168a7d54d4 100644
--- a/drivers/misc/ti-st/st_core.c
+++ b/drivers/misc/ti-st/st_core.c
@@ -338,6 +338,12 @@ void st_int_recv(void *disc_data,
                         /* Unknow packet? */
                 default:
                         type = *ptr;
+                        if (st_gdata->list[type] == NULL) {
+                                pr_err("chip/interface misbehavior dropping"
+                                        " frame starting with 0x%02x", type);
+                                goto done;
+
+                        }
                         st_gdata->rx_skb = alloc_skb(
                                         st_gdata->list[type]->max_frame_size,
                                         GFP_ATOMIC);
@@ -354,6 +360,7 @@ void st_int_recv(void *disc_data,
                 ptr++;
                 count--;
         }
+done:
         spin_unlock_irqrestore(&st_gdata->lock, flags);
         pr_debug("done %s", __func__);
         return;
@@ -717,9 +724,10 @@ static void st_tty_close(struct tty_struct *tty)
          */
         spin_lock_irqsave(&st_gdata->lock, flags);
         for (i = ST_BT; i < ST_MAX_CHANNELS; i++) {
-                if (st_gdata->list[i] != NULL)
+                if (st_gdata->is_registered[i] == true)
                         pr_err("%d not un-registered", i);
                 st_gdata->list[i] = NULL;
+                st_gdata->is_registered[i] = false;
         }
         st_gdata->protos_registered = 0;
         spin_unlock_irqrestore(&st_gdata->lock, flags);
diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index 38fd2f04c07e..3a3580566dfc 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -68,6 +68,7 @@ void validate_firmware_response(struct kim_data_s *kim_gdata)
         if (unlikely(skb->data[5] != 0)) {
                 pr_err("no proper response during fw download");
                 pr_err("data6 %x", skb->data[5]);
+                kfree_skb(skb);
                 return;         /* keep waiting for the proper response */
         }
         /* becos of all the script being downloaded */
@@ -210,6 +211,7 @@ static long read_local_version(struct kim_data_s *kim_gdata, char *bts_scr_name)
                 pr_err(" waiting for ver info- timed out ");
                 return -ETIMEDOUT;
         }
+        INIT_COMPLETION(kim_gdata->kim_rcvd);
 
         version =
                 MAKEWORD(kim_gdata->resp_buffer[13],
@@ -298,6 +300,7 @@ static long download_firmware(struct kim_data_s *kim_gdata)
 
                 switch (((struct bts_action *)ptr)->type) {
                 case ACTION_SEND_COMMAND:       /* action send */
+                        pr_debug("S");
                         action_ptr = &(((struct bts_action *)ptr)->data[0]);
                         if (unlikely
                             (((struct hci_command *)action_ptr)->opcode ==
@@ -335,6 +338,10 @@ static long download_firmware(struct kim_data_s *kim_gdata)
                                 release_firmware(kim_gdata->fw_entry);
                                 return -ETIMEDOUT;
                         }
+                        /* reinit completion before sending for the
+                         * relevant wait
+                         */
+                        INIT_COMPLETION(kim_gdata->kim_rcvd);
 
                         /*
                          * Free space found in uart buffer, call st_int_write
@@ -361,6 +368,7 @@ static long download_firmware(struct kim_data_s *kim_gdata)
                         }
                         break;
                 case ACTION_WAIT_EVENT:  /* wait */
+                        pr_debug("W");
                         if (!wait_for_completion_timeout
                                         (&kim_gdata->kim_rcvd,
                                          msecs_to_jiffies(CMD_RESP_TIME))) {
@@ -434,11 +442,17 @@ long st_kim_start(void *kim_data)
 {
         long err = 0;
         long retry = POR_RETRY_COUNT;
+        struct ti_st_plat_data  *pdata;
         struct kim_data_s       *kim_gdata = (struct kim_data_s *)kim_data;
 
         pr_info(" %s", __func__);
+        pdata = kim_gdata->kim_pdev->dev.platform_data;
 
         do {
+                /* platform specific enabling code here */
+                if (pdata->chip_enable)
+                        pdata->chip_enable(kim_gdata);
+
                 /* Configure BT nShutdown to HIGH state */
                 gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);
                 mdelay(5);      /* FIXME: a proper toggle */
@@ -460,6 +474,12 @@ long st_kim_start(void *kim_data)
                         pr_info("ldisc_install = 0");
                         sysfs_notify(&kim_gdata->kim_pdev->dev.kobj,
                                         NULL, "install");
+                        /* the following wait is never going to be completed,
+                         * since the ldisc was never installed, hence serving
+                         * as a mdelay of LDISC_TIME msecs */
+                        err = wait_for_completion_timeout
+                                (&kim_gdata->ldisc_installed,
+                                 msecs_to_jiffies(LDISC_TIME));
                         err = -ETIMEDOUT;
                         continue;
                 } else {
@@ -472,6 +492,13 @@ long st_kim_start(void *kim_data)
                                 pr_info("ldisc_install = 0");
                                 sysfs_notify(&kim_gdata->kim_pdev->dev.kobj,
                                                 NULL, "install");
+                                /* this wait might be completed, though in the
+                                 * tty_close() since the ldisc is already
+                                 * installed */
+                                err = wait_for_completion_timeout
+                                        (&kim_gdata->ldisc_installed,
+                                         msecs_to_jiffies(LDISC_TIME));
+                                err = -EINVAL;
                                 continue;
                         } else {        /* on success don't retry */
                                 break;
@@ -489,6 +516,8 @@ long st_kim_stop(void *kim_data)
 {
         long err = 0;
         struct kim_data_s       *kim_gdata = (struct kim_data_s *)kim_data;
+        struct ti_st_plat_data  *pdata =
+                kim_gdata->kim_pdev->dev.platform_data;
 
         INIT_COMPLETION(kim_gdata->ldisc_installed);
 
@@ -515,6 +544,10 @@ long st_kim_stop(void *kim_data)
         gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH);
         mdelay(1);
         gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);
+
+        /* platform specific disable */
+        if (pdata->chip_disable)
+                pdata->chip_disable(kim_gdata);
         return err;
 }
 
diff --git a/drivers/misc/ti-st/st_ll.c b/drivers/misc/ti-st/st_ll.c
index 3f2495138855..1ff460a8e9c7 100644
--- a/drivers/misc/ti-st/st_ll.c
+++ b/drivers/misc/ti-st/st_ll.c
@@ -22,6 +22,7 @@
 #define pr_fmt(fmt) "(stll) :" fmt
 #include <linux/skbuff.h>
 #include <linux/module.h>
+#include <linux/platform_device.h>
 #include <linux/ti_wilink_st.h>
 
 /**********************************************************************/
@@ -37,6 +38,9 @@ static void send_ll_cmd(struct st_data_s *st_data,
 
 static void ll_device_want_to_sleep(struct st_data_s *st_data)
 {
+        struct kim_data_s       *kim_data;
+        struct ti_st_plat_data  *pdata;
+
         pr_debug("%s", __func__);
         /* sanity check */
         if (st_data->ll_state != ST_LL_AWAKE)
@@ -46,10 +50,19 @@ static void ll_device_want_to_sleep(struct st_data_s *st_data)
         send_ll_cmd(st_data, LL_SLEEP_ACK);
         /* update state */
         st_data->ll_state = ST_LL_ASLEEP;
+
+        /* communicate to platform about chip asleep */
+        kim_data = st_data->kim_data;
+        pdata = kim_data->kim_pdev->dev.platform_data;
+        if (pdata->chip_asleep)
+                pdata->chip_asleep(NULL);
 }
 
 static void ll_device_want_to_wakeup(struct st_data_s *st_data)
 {
+        struct kim_data_s       *kim_data;
+        struct ti_st_plat_data  *pdata;
+
         /* diff actions in diff states */
         switch (st_data->ll_state) {
         case ST_LL_ASLEEP:
@@ -70,6 +83,12 @@ static void ll_device_want_to_wakeup(struct st_data_s *st_data)
         }
         /* update state */
         st_data->ll_state = ST_LL_AWAKE;
+
+        /* communicate to platform about chip wakeup */
+        kim_data = st_data->kim_data;
+        pdata = kim_data->kim_pdev->dev.platform_data;
+        if (pdata->chip_asleep)
+                pdata->chip_awake(NULL);
 }
 
 /**********************************************************************/
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 38a83acd502e..43f2ea541088 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3419,9 +3419,27 @@ static int bond_xmit_hash_policy_l2(struct sk_buff *skb, int count)
 static int bond_open(struct net_device *bond_dev)
 {
         struct bonding *bond = netdev_priv(bond_dev);
+        struct slave *slave;
+        int i;
 
         bond->kill_timers = 0;
 
+        /* reset slave->backup and slave->inactive */
+        read_lock(&bond->lock);
+        if (bond->slave_cnt > 0) {
+                read_lock(&bond->curr_slave_lock);
+                bond_for_each_slave(bond, slave, i) {
+                        if ((bond->params.mode == BOND_MODE_ACTIVEBACKUP)
+                                && (slave != bond->curr_active_slave)) {
+                                bond_set_slave_inactive_flags(slave);
+                        } else {
+                                bond_set_slave_active_flags(slave);
+                        }
+                }
+                read_unlock(&bond->curr_slave_lock);
+        }
+        read_unlock(&bond->lock);
+
         INIT_DELAYED_WORK(&bond->mcast_work, bond_resend_igmp_join_requests_delayed);
 
         if (bond_is_lb(bond)) {
diff --git a/drivers/net/can/sja1000/plx_pci.c b/drivers/net/can/sja1000/plx_pci.c
index 231385b8e08f..c7f3d4ea1167 100644
--- a/drivers/net/can/sja1000/plx_pci.c
+++ b/drivers/net/can/sja1000/plx_pci.c
@@ -408,7 +408,7 @@ static void plx_pci_del_card(struct pci_dev *pdev)
         struct sja1000_priv *priv;
         int i = 0;
 
-        for (i = 0; i < card->channels; i++) {
+        for (i = 0; i < PLX_PCI_MAX_CHAN; i++) {
                 dev = card->net_dev[i];
                 if (!dev)
                         continue;
@@ -536,7 +536,6 @@ static int __devinit plx_pci_add_card(struct pci_dev *pdev,
                         if (err) {
                                 dev_err(&pdev->dev, "Registering device failed "
                                         "(err=%d)\n", err);
-                                free_sja1000dev(dev);
                                 goto failure_cleanup;
                         }
 
@@ -549,6 +548,7 @@ static int __devinit plx_pci_add_card(struct pci_dev *pdev,
                         dev_err(&pdev->dev, "Channel #%d not detected\n",
                                 i + 1);
                         free_sja1000dev(dev);
+                        card->net_dev[i] = NULL;
                 }
         }
 
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 35916f485028..8533ad7f3559 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -155,6 +155,9 @@ struct e1000_info;
 #define HV_M_STATUS_SPEED_1000            0x0200
 #define HV_M_STATUS_LINK_UP               0x0040
 
+#define E1000_ICH_FWSM_PCIM2PCI         0x01000000 /* ME PCIm-to-PCI active */
+#define E1000_ICH_FWSM_PCIM2PCI_COUNT   2000
+
 /* Time to wait before putting the device into D3 if there's no link (in ms). */
 #define LINK_TIMEOUT            100
 
@@ -454,6 +457,7 @@ struct e1000_info {
 #define FLAG2_DISABLE_AIM                 (1 << 8)
 #define FLAG2_CHECK_PHY_HANG              (1 << 9)
 #define FLAG2_NO_DISABLE_RX               (1 << 10)
+#define FLAG2_PCIM2PCI_ARBITER_WA         (1 << 11)
 
 #define E1000_RX_DESC_PS(R, i)      \
         (&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 4e36978b8fd8..54add27c8f76 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -137,8 +137,9 @@
 #define HV_PM_CTRL              PHY_REG(770, 17)
 
 /* PHY Low Power Idle Control */
-#define I82579_LPI_CTRL                 PHY_REG(772, 20)
-#define I82579_LPI_CTRL_ENABLE_MASK     0x6000
+#define I82579_LPI_CTRL                         PHY_REG(772, 20)
+#define I82579_LPI_CTRL_ENABLE_MASK             0x6000
+#define I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT    0x80
 
 /* EMI Registers */
 #define I82579_EMI_ADDR         0x10
@@ -163,6 +164,11 @@
 #define HV_KMRN_MODE_CTRL      PHY_REG(769, 16)
 #define HV_KMRN_MDIO_SLOW      0x0400
 
+/* KMRN FIFO Control and Status */
+#define HV_KMRN_FIFO_CTRLSTA                  PHY_REG(770, 16)
+#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK    0x7000
+#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT   12
+
 /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */
 /* Offset 04h HSFSTS */
 union ich8_hws_flash_status {
@@ -657,6 +663,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
         struct e1000_mac_info *mac = &hw->mac;
         s32 ret_val;
         bool link;
+        u16 phy_reg;
 
         /*
          * We only want to go out to the PHY registers to see if Auto-Neg
@@ -689,16 +696,35 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
 
         mac->get_link_status = false;
 
-        if (hw->phy.type == e1000_phy_82578) {
-                ret_val = e1000_link_stall_workaround_hv(hw);
-                if (ret_val)
-                        goto out;
-        }
-
-        if (hw->mac.type == e1000_pch2lan) {
+        switch (hw->mac.type) {
+        case e1000_pch2lan:
                 ret_val = e1000_k1_workaround_lv(hw);
                 if (ret_val)
                         goto out;
+                /* fall-thru */
+        case e1000_pchlan:
+                if (hw->phy.type == e1000_phy_82578) {
+                        ret_val = e1000_link_stall_workaround_hv(hw);
+                        if (ret_val)
+                                goto out;
+                }
+
+                /*
+                 * Workaround for PCHx parts in half-duplex:
+                 * Set the number of preambles removed from the packet
+                 * when it is passed from the PHY to the MAC to prevent
+                 * the MAC from misinterpreting the packet type.
+                 */
+                e1e_rphy(hw, HV_KMRN_FIFO_CTRLSTA, &phy_reg);
+                phy_reg &= ~HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK;
+
+                if ((er32(STATUS) & E1000_STATUS_FD) != E1000_STATUS_FD)
+                        phy_reg |= (1 << HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT);
+
+                e1e_wphy(hw, HV_KMRN_FIFO_CTRLSTA, phy_reg);
+                break;
+        default:
+                break;
         }
 
         /*
@@ -788,6 +814,11 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
             (adapter->hw.phy.type == e1000_phy_igp_3))
                 adapter->flags |= FLAG_LSC_GIG_SPEED_DROP;
 
+        /* Enable workaround for 82579 w/ ME enabled */
+        if ((adapter->hw.mac.type == e1000_pch2lan) &&
+            (er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
+                adapter->flags2 |= FLAG2_PCIM2PCI_ARBITER_WA;
+
         /* Disable EEE by default until IEEE802.3az spec is finalized */
         if (adapter->flags2 & FLAG2_HAS_EEE)
                 adapter->hw.dev_spec.ich8lan.eee_disable = true;
@@ -1355,7 +1386,7 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
                         return ret_val;
 
                 /* Preamble tuning for SSC */
-                ret_val = e1e_wphy(hw, PHY_REG(770, 16), 0xA204);
+                ret_val = e1e_wphy(hw, HV_KMRN_FIFO_CTRLSTA, 0xA204);
                 if (ret_val)
                         return ret_val;
         }
@@ -1645,6 +1676,7 @@ static s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
         s32 ret_val = 0;
         u16 status_reg = 0;
         u32 mac_reg;
+        u16 phy_reg;
 
         if (hw->mac.type != e1000_pch2lan)
                 goto out;
@@ -1659,12 +1691,19 @@ static s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
                 mac_reg = er32(FEXTNVM4);
                 mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK;
 
-                if (status_reg & HV_M_STATUS_SPEED_1000)
+                ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg);
+                if (ret_val)
+                        goto out;
+
+                if (status_reg & HV_M_STATUS_SPEED_1000) {
                         mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC;
-                else
+                        phy_reg &= ~I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT;
+                } else {
                         mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_16USEC;
-
+                        phy_reg |= I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT;
+                }
                 ew32(FEXTNVM4, mac_reg);
+                ret_val = e1e_wphy(hw, I82579_LPI_CTRL, phy_reg);
         }
 
 out:
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 362f70382cdd..2198e615f241 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -519,6 +519,63 @@ static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
 }
 
 /**
+ * e1000e_update_tail_wa - helper function for e1000e_update_[rt]dt_wa()
+ * @hw: pointer to the HW structure
+ * @tail: address of tail descriptor register
+ * @i: value to write to tail descriptor register
+ *
+ * When updating the tail register, the ME could be accessing Host CSR
+ * registers at the same time.  Normally, this is handled in h/w by an
+ * arbiter but on some parts there is a bug that acknowledges Host accesses
+ * later than it should which could result in the descriptor register to
+ * have an incorrect value.  Workaround this by checking the FWSM register
+ * which has bit 24 set while ME is accessing Host CSR registers, wait
+ * if it is set and try again a number of times.
+ **/
+static inline s32 e1000e_update_tail_wa(struct e1000_hw *hw, u8 __iomem * tail,
+                                        unsigned int i)
+{
+        unsigned int j = 0;
+
+        while ((j++ < E1000_ICH_FWSM_PCIM2PCI_COUNT) &&
+               (er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI))
+                udelay(50);
+
+        writel(i, tail);
+
+        if ((j == E1000_ICH_FWSM_PCIM2PCI_COUNT) && (i != readl(tail)))
+                return E1000_ERR_SWFW_SYNC;
+
+        return 0;
+}
+
+static void e1000e_update_rdt_wa(struct e1000_adapter *adapter, unsigned int i)
+{
+        u8 __iomem *tail = (adapter->hw.hw_addr + adapter->rx_ring->tail);
+        struct e1000_hw *hw = &adapter->hw;
+
+        if (e1000e_update_tail_wa(hw, tail, i)) {
+                u32 rctl = er32(RCTL);
+                ew32(RCTL, rctl & ~E1000_RCTL_EN);
+                e_err("ME firmware caused invalid RDT - resetting\n");
+                schedule_work(&adapter->reset_task);
+        }
+}
+
+static void e1000e_update_tdt_wa(struct e1000_adapter *adapter, unsigned int i)
+{
+        u8 __iomem *tail = (adapter->hw.hw_addr + adapter->tx_ring->tail);
+        struct e1000_hw *hw = &adapter->hw;
+
+        if (e1000e_update_tail_wa(hw, tail, i)) {
+                u32 tctl = er32(TCTL);
+                ew32(TCTL, tctl & ~E1000_TCTL_EN);
+                e_err("ME firmware caused invalid TDT - resetting\n");
+                schedule_work(&adapter->reset_task);
+        }
+}
+
+/**
  * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
  * @adapter: address of board private structure
  **/
@@ -573,7 +630,10 @@ map_skb:
                          * such as IA-64).
                          */
                         wmb();
-                        writel(i, adapter->hw.hw_addr + rx_ring->tail);
+                        if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
+                                e1000e_update_rdt_wa(adapter, i);
+                        else
+                                writel(i, adapter->hw.hw_addr + rx_ring->tail);
                 }
                 i++;
                 if (i == rx_ring->count)
@@ -673,7 +733,11 @@ static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
                          * such as IA-64).
                          */
                         wmb();
-                        writel(i << 1, adapter->hw.hw_addr + rx_ring->tail);
+                        if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
+                                e1000e_update_rdt_wa(adapter, i << 1);
+                        else
+                                writel(i << 1,
+                                       adapter->hw.hw_addr + rx_ring->tail);
                 }
 
                 i++;
@@ -756,7 +820,10 @@ check_page:
                  * applicable for weak-ordered memory model archs,
                  * such as IA-64). */
                 wmb();
-                writel(i, adapter->hw.hw_addr + rx_ring->tail);
+                if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
+                        e1000e_update_rdt_wa(adapter, i);
+                else
+                        writel(i, adapter->hw.hw_addr + rx_ring->tail);
         }
 }
 
@@ -4689,7 +4756,12 @@ static void e1000_tx_queue(struct e1000_adapter *adapter,
         wmb();
 
         tx_ring->next_to_use = i;
-        writel(i, adapter->hw.hw_addr + tx_ring->tail);
+
+        if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
+                e1000e_update_tdt_wa(adapter, i);
+        else
+                writel(i, adapter->hw.hw_addr + tx_ring->tail);
+
         /*
          * we need this if more than one processor can write to our tail
          * at a time, it synchronizes IO on IA64/Altix systems
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index e55df308a3af..6d5fbd4d4256 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -5615,7 +5615,8 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
                 goto out_error;
         }
 
-        nv_vlan_mode(dev, dev->features);
+        if (id->driver_data & DEV_HAS_VLAN)
+                nv_vlan_mode(dev, dev->features);
 
         netif_carrier_off(dev);
 
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 2659daad783d..31d5c574e5a9 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -2710,8 +2710,13 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
         /* Tell the skb what kind of packet this is */
         skb->protocol = eth_type_trans(skb, dev);
 
-        /* Set vlan tag */
-        if (fcb->flags & RXFCB_VLN)
+        /*
+         * There's need to check for NETIF_F_HW_VLAN_RX here.
+         * Even if vlan rx accel is disabled, on some chips
+         * RXFCB_VLN is pseudo randomly set.
+         */
+        if (dev->features & NETIF_F_HW_VLAN_RX &&
+            fcb->flags & RXFCB_VLN)
                 __vlan_hwaccel_put_tag(skb, fcb->vlctl);
 
         /* Send the packet up the stack */
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index 6e350692d118..25a8c2adb001 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -686,10 +686,21 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
 {
         unsigned int last_rule_idx = priv->cur_filer_idx;
         unsigned int cmp_rqfpr;
-        unsigned int local_rqfpr[MAX_FILER_IDX + 1];
-        unsigned int local_rqfcr[MAX_FILER_IDX + 1];
+        unsigned int *local_rqfpr;
+        unsigned int *local_rqfcr;
         int i = 0x0, k = 0x0;
         int j = MAX_FILER_IDX, l = 0x0;
+        int ret = 1;
+
+        local_rqfpr = kmalloc(sizeof(unsigned int) * (MAX_FILER_IDX + 1),
+                GFP_KERNEL);
+        local_rqfcr = kmalloc(sizeof(unsigned int) * (MAX_FILER_IDX + 1),
+                GFP_KERNEL);
+        if (!local_rqfpr || !local_rqfcr) {
+                pr_err("Out of memory\n");
+                ret = 0;
+                goto err;
+        }
 
         switch (class) {
         case TCP_V4_FLOW:
@@ -706,7 +717,8 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
                 break;
         default:
                 pr_err("Right now this class is not supported\n");
-                return 0;
+                ret = 0;
+                goto err;
         }
 
         for (i = 0; i < MAX_FILER_IDX + 1; i++) {
@@ -721,7 +733,8 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
 
         if (i == MAX_FILER_IDX + 1) {
                 pr_err("No parse rule found, can't create hash rules\n");
-                return 0;
+                ret = 0;
+                goto err;
         }
 
         /* If a match was found, then it begins the starting of a cluster rule
@@ -765,7 +778,10 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
                 priv->cur_filer_idx = priv->cur_filer_idx - 1;
         }
 
-        return 1;
+err:
+        kfree(local_rqfcr);
+        kfree(local_rqfpr);
+        return ret;
 }
 
 static int gfar_set_hash_opts(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index e86297b32733..22790394318a 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1459,8 +1459,10 @@ static void ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
                 if (ixgbe_rx_is_fcoe(adapter, rx_desc)) {
                         ddp_bytes = ixgbe_fcoe_ddp(adapter, rx_desc, skb,
                                                    staterr);
-                        if (!ddp_bytes)
+                        if (!ddp_bytes) {
+                                dev_kfree_skb_any(skb);
                                 goto next_desc;
+                        }
                 }
 #endif /* IXGBE_FCOE */
                 ixgbe_receive_skb(q_vector, skb, staterr, rx_ring, rx_desc);
diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index 86ac38c96bcf..3bb131137033 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -80,13 +80,13 @@ static int rionet_capable = 1;
  */
 static struct rio_dev **rionet_active;
 
-#define is_rionet_capable(pef, src_ops, dst_ops)                \
-                        ((pef & RIO_PEF_INB_MBOX) &&            \
-                         (pef & RIO_PEF_INB_DOORBELL) &&        \
+#define is_rionet_capable(src_ops, dst_ops)                     \
+                        ((src_ops & RIO_SRC_OPS_DATA_MSG) &&    \
+                         (dst_ops & RIO_DST_OPS_DATA_MSG) &&    \
                          (src_ops & RIO_SRC_OPS_DOORBELL) &&    \
                          (dst_ops & RIO_DST_OPS_DOORBELL))
 #define dev_rionet_capable(dev) \
-        is_rionet_capable(dev->pef, dev->src_ops, dev->dst_ops)
+        is_rionet_capable(dev->src_ops, dev->dst_ops)
 
 #define RIONET_MAC_MATCH(x)     (*(u32 *)x == 0x00010001)
 #define RIONET_GET_DESTID(x)    (*(u16 *)(x + 4))
@@ -282,7 +282,6 @@ static int rionet_open(struct net_device *ndev)
 {
         int i, rc = 0;
         struct rionet_peer *peer, *tmp;
-        u32 pwdcsr;
         struct rionet_private *rnet = netdev_priv(ndev);
 
         if (netif_msg_ifup(rnet))
@@ -332,13 +331,8 @@ static int rionet_open(struct net_device *ndev)
                         continue;
                 }
 
-                /*
-                 * If device has initialized inbound doorbells,
-                 * send a join message
-                 */
-                rio_read_config_32(peer->rdev, RIO_WRITE_PORT_CSR, &pwdcsr);
-                if (pwdcsr & RIO_DOORBELL_AVAIL)
-                        rio_send_doorbell(peer->rdev, RIONET_DOORBELL_JOIN);
+                /* Send a join message */
+                rio_send_doorbell(peer->rdev, RIONET_DOORBELL_JOIN);
         }
 
       out:
@@ -492,7 +486,7 @@ static int rionet_setup_netdev(struct rio_mport *mport, struct net_device *ndev)
 static int rionet_probe(struct rio_dev *rdev, const struct rio_device_id *id)
 {
         int rc = -ENODEV;
-        u32 lpef, lsrc_ops, ldst_ops;
+        u32 lsrc_ops, ldst_ops;
         struct rionet_peer *peer;
         struct net_device *ndev = NULL;
 
@@ -515,12 +509,11 @@ static int rionet_probe(struct rio_dev *rdev, const struct rio_device_id *id)
          * on later probes
          */
         if (!rionet_check) {
-                rio_local_read_config_32(rdev->net->hport, RIO_PEF_CAR, &lpef);
                 rio_local_read_config_32(rdev->net->hport, RIO_SRC_OPS_CAR,
                                          &lsrc_ops);
                 rio_local_read_config_32(rdev->net->hport, RIO_DST_OPS_CAR,
                                          &ldst_ops);
-                if (!is_rionet_capable(lpef, lsrc_ops, ldst_ops)) {
+                if (!is_rionet_capable(lsrc_ops, ldst_ops)) {
                         printk(KERN_ERR
                                "%s: local device is not network capable\n",
                                DRV_NAME);
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index ad35c210b839..190f619e4215 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -21,6 +21,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/dma-mapping.h>
 #include <linux/etherdevice.h>
 #include <linux/delay.h>
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index a03336e086d5..f06fb78383a1 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -228,23 +228,40 @@ static u8 cdc_ncm_setup(struct cdc_ncm_ctx *ctx)
         if (ctx->rx_max != le32_to_cpu(ctx->ncm_parm.dwNtbInMaxSize)) {
 
                 if (flags & USB_CDC_NCM_NCAP_NTB_INPUT_SIZE) {
-                        struct usb_cdc_ncm_ndp_input_size ndp_in_sz;
+                        struct usb_cdc_ncm_ndp_input_size *ndp_in_sz;
+
+                        ndp_in_sz = kzalloc(sizeof(*ndp_in_sz), GFP_KERNEL);
+                        if (!ndp_in_sz) {
+                                err = -ENOMEM;
+                                goto size_err;
+                        }
+
                         err = usb_control_msg(ctx->udev,
                                         usb_sndctrlpipe(ctx->udev, 0),
                                         USB_CDC_SET_NTB_INPUT_SIZE,
                                         USB_TYPE_CLASS | USB_DIR_OUT
                                          | USB_RECIP_INTERFACE,
-                                        0, iface_no, &ndp_in_sz, 8, 1000);
+                                        0, iface_no, ndp_in_sz, 8, 1000);
+                        kfree(ndp_in_sz);
                 } else {
-                        __le32 dwNtbInMaxSize = cpu_to_le32(ctx->rx_max);
+                        __le32 *dwNtbInMaxSize;
+                        dwNtbInMaxSize = kzalloc(sizeof(*dwNtbInMaxSize),
+                                        GFP_KERNEL);
+                        if (!dwNtbInMaxSize) {
+                                err = -ENOMEM;
+                                goto size_err;
+                        }
+                        *dwNtbInMaxSize = cpu_to_le32(ctx->rx_max);
+
                         err = usb_control_msg(ctx->udev,
                                         usb_sndctrlpipe(ctx->udev, 0),
                                         USB_CDC_SET_NTB_INPUT_SIZE,
                                         USB_TYPE_CLASS | USB_DIR_OUT
                                          | USB_RECIP_INTERFACE,
-                                        0, iface_no, &dwNtbInMaxSize, 4, 1000);
+                                        0, iface_no, dwNtbInMaxSize, 4, 1000);
+                        kfree(dwNtbInMaxSize);
                 }
-
+size_err:
                 if (err < 0)
                         pr_debug("Setting NTB Input Size failed\n");
         }
@@ -325,19 +342,29 @@ static u8 cdc_ncm_setup(struct cdc_ncm_ctx *ctx)
 
         /* set Max Datagram Size (MTU) */
         if (flags & USB_CDC_NCM_NCAP_MAX_DATAGRAM_SIZE) {
-                __le16 max_datagram_size;
+                __le16 *max_datagram_size;
                 u16 eth_max_sz = le16_to_cpu(ctx->ether_desc->wMaxSegmentSize);
+
+                max_datagram_size = kzalloc(sizeof(*max_datagram_size),
+                                GFP_KERNEL);
+                if (!max_datagram_size) {
+                        err = -ENOMEM;
+                        goto max_dgram_err;
+                }
+
                 err = usb_control_msg(ctx->udev, usb_rcvctrlpipe(ctx->udev, 0),
                                 USB_CDC_GET_MAX_DATAGRAM_SIZE,
                                 USB_TYPE_CLASS | USB_DIR_IN
                                  | USB_RECIP_INTERFACE,
-                                0, iface_no, &max_datagram_size,
+                                0, iface_no, max_datagram_size,
                                 2, 1000);
                 if (err < 0) {
                         pr_debug("GET_MAX_DATAGRAM_SIZE failed, use size=%u\n",
                                                 CDC_NCM_MIN_DATAGRAM_SIZE);
+                        kfree(max_datagram_size);
                 } else {
-                        ctx->max_datagram_size = le16_to_cpu(max_datagram_size);
+                        ctx->max_datagram_size =
+                                le16_to_cpu(*max_datagram_size);
                         /* Check Eth descriptor value */
                         if (eth_max_sz < CDC_NCM_MAX_DATAGRAM_SIZE) {
                                 if (ctx->max_datagram_size > eth_max_sz)
@@ -360,8 +387,10 @@ static u8 cdc_ncm_setup(struct cdc_ncm_ctx *ctx)
                                                 USB_TYPE_CLASS | USB_DIR_OUT
                                                  | USB_RECIP_INTERFACE,
                                                 0,
-                                                iface_no, &max_datagram_size,
+                                                iface_no, max_datagram_size,
                                                 2, 1000);
+                        kfree(max_datagram_size);
+max_dgram_err:
                         if (err < 0)
                                 pr_debug("SET_MAX_DATAGRAM_SIZE failed\n");
                 }
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index deb1eca13c9f..7c5336c5c37f 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -515,10 +515,6 @@ static void velocity_init_cam_filter(struct velocity_info *vptr)
         mac_set_cam_mask(regs, vptr->mCAMmask);
 
         /* Enable VCAMs */
-
-        if (test_bit(0, vptr->active_vlans))
-                WORD_REG_BITS_ON(MCFG_RTGOPT, &regs->MCFG);
-
         for_each_set_bit(vid, vptr->active_vlans, VLAN_N_VID) {
                 mac_set_vlan_cam(regs, i, (u8 *) &vid);
                 vptr->vCAMmask[i / 8] |= 0x1 << (i % 8);
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 1cbacb389652..0959583feb27 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -1929,14 +1929,17 @@ static void
 vmxnet3_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
 {
         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
-        u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
-        unsigned long flags;
 
-        VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid);
-        spin_lock_irqsave(&adapter->cmd_lock, flags);
-        VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
-                               VMXNET3_CMD_UPDATE_VLAN_FILTERS);
-        spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+        if (!(netdev->flags & IFF_PROMISC)) {
+                u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
+                unsigned long flags;
+
+                VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid);
+                spin_lock_irqsave(&adapter->cmd_lock, flags);
+                VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+                                       VMXNET3_CMD_UPDATE_VLAN_FILTERS);
+                spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+        }
 
         set_bit(vid, adapter->active_vlans);
 }
@@ -1946,14 +1949,17 @@ static void
 vmxnet3_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
 {
         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
-        u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
-        unsigned long flags;
 
-        VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid);
-        spin_lock_irqsave(&adapter->cmd_lock, flags);
-        VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
-                               VMXNET3_CMD_UPDATE_VLAN_FILTERS);
-        spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+        if (!(netdev->flags & IFF_PROMISC)) {
+                u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
+                unsigned long flags;
+
+                VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid);
+                spin_lock_irqsave(&adapter->cmd_lock, flags);
+                VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+                                       VMXNET3_CMD_UPDATE_VLAN_FILTERS);
+                spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+        }
 
         clear_bit(vid, adapter->active_vlans);
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index 69d4ec467dca..2fdbffa079c1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -478,27 +478,22 @@ out_no_pci:
         return err;
 }
 
-static void iwl_pci_down(struct iwl_bus *bus)
-{
-        struct iwl_pci_bus *pci_bus = (struct iwl_pci_bus *) bus->bus_specific;
-
-        pci_disable_msi(pci_bus->pci_dev);
-        pci_iounmap(pci_bus->pci_dev, pci_bus->hw_base);
-        pci_release_regions(pci_bus->pci_dev);
-        pci_disable_device(pci_bus->pci_dev);
-        pci_set_drvdata(pci_bus->pci_dev, NULL);
-
-        kfree(bus);
-}
-
 static void __devexit iwl_pci_remove(struct pci_dev *pdev)
 {
         struct iwl_priv *priv = pci_get_drvdata(pdev);
-        void *bus_specific = priv->bus->bus_specific;
+        struct iwl_bus *bus = priv->bus;
+        struct iwl_pci_bus *pci_bus = IWL_BUS_GET_PCI_BUS(bus);
+        struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);
 
         iwl_remove(priv);
 
-        iwl_pci_down(bus_specific);
+        pci_disable_msi(pci_dev);
+        pci_iounmap(pci_dev, pci_bus->hw_base);
+        pci_release_regions(pci_dev);
+        pci_disable_device(pci_dev);
+        pci_set_drvdata(pci_dev, NULL);
+
+        kfree(bus);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 939563162fb3..dbf501ca317f 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -464,6 +464,15 @@ static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
         int wcid, ack, pid;
         int tx_wcid, tx_ack, tx_pid;
 
+        if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
+            !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) {
+                WARNING(entry->queue->rt2x00dev,
+                        "Data pending for entry %u in queue %u\n",
+                        entry->entry_idx, entry->queue->qid);
+                cond_resched();
+                return false;
+        }
+
         wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
         ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
         pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
@@ -529,12 +538,11 @@ static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
                         if (rt2800usb_txdone_entry_check(entry, reg))
                                 break;
+                        entry = NULL;
                 }
 
-                if (!entry || rt2x00queue_empty(queue))
-                        break;
-
-                rt2800_txdone_entry(entry, reg);
+                if (entry)
+                        rt2800_txdone_entry(entry, reg);
         }
 }
 
@@ -558,8 +566,10 @@ static void rt2800usb_work_txdone(struct work_struct *work)
                 while (!rt2x00queue_empty(queue)) {
                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 
-                        if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
+                        if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
+                            !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
                                 break;
+
                         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
                                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
                         else if (rt2x00queue_status_timeout(entry))
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index b6b4542c2460..7fbb55c9da82 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -262,23 +262,20 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb)
         struct queue_entry *entry = (struct queue_entry *)urb->context;
         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 
-        if (!test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
+        if (!test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
                 return;
-
-        if (rt2x00dev->ops->lib->tx_dma_done)
-                rt2x00dev->ops->lib->tx_dma_done(entry);
-
-        /*
-         * Report the frame as DMA done
-         */
-        rt2x00lib_dmadone(entry);
-
         /*
          * Check if the frame was correctly uploaded
          */
         if (urb->status)
                 set_bit(ENTRY_DATA_IO_FAILED, &entry->flags);
+        /*
+         * Report the frame as DMA done
+         */
+        rt2x00lib_dmadone(entry);
 
+        if (rt2x00dev->ops->lib->tx_dma_done)
+                rt2x00dev->ops->lib->tx_dma_done(entry);
         /*
          * Schedule the delayed work for reading the TX status
          * from the device.
diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c
index 7e33f1f4f3d4..34f6ab53e519 100644
--- a/drivers/net/wireless/wl12xx/acx.c
+++ b/drivers/net/wireless/wl12xx/acx.c
@@ -77,8 +77,6 @@ int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
         auth->sleep_auth = sleep_auth;
 
         ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
-        if (ret < 0)
-                return ret;
 
 out:
         kfree(auth);
@@ -624,10 +622,8 @@ int wl1271_acx_cca_threshold(struct wl1271 *wl)
 
         ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
                                    detection, sizeof(*detection));
-        if (ret < 0) {
+        if (ret < 0)
                 wl1271_warning("failed to set cca threshold: %d", ret);
-                return ret;
-        }
 
 out:
         kfree(detection);
diff --git a/drivers/net/wireless/wl12xx/testmode.c b/drivers/net/wireless/wl12xx/testmode.c
index 5d5e1ef87206..88add68bd9ac 100644
--- a/drivers/net/wireless/wl12xx/testmode.c
+++ b/drivers/net/wireless/wl12xx/testmode.c
@@ -139,12 +139,15 @@ static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[])
 
         if (ret < 0) {
                 wl1271_warning("testmode cmd interrogate failed: %d", ret);
+                kfree(cmd);
                 return ret;
         }
 
         skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
-        if (!skb)
+        if (!skb) {
+                kfree(cmd);
                 return -ENOMEM;
+        }
 
         NLA_PUT(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd);
 
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 466fad6e6ee2..0ce67423a0a3 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3250,7 +3250,7 @@ int pcie_get_mps(struct pci_dev *dev)
 /**
  * pcie_set_mps - set PCI Express maximum payload size
  * @dev: PCI device to query
- * @rq: maximum payload size in bytes
+ * @mps: maximum payload size in bytes
  *    valid values are 128, 256, 512, 1024, 2048, 4096
  *
  * If possible sets maximum payload size
diff --git a/drivers/power/max8997_charger.c b/drivers/power/max8997_charger.c
index 7106b49b26e4..ffc5033ea9c9 100644
--- a/drivers/power/max8997_charger.c
+++ b/drivers/power/max8997_charger.c
@@ -20,6 +20,7 @@
  */
 
 #include <linux/err.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>
diff --git a/drivers/power/max8998_charger.c b/drivers/power/max8998_charger.c
index cc21fa2120be..ef8efadb58cb 100644
--- a/drivers/power/max8998_charger.c
+++ b/drivers/power/max8998_charger.c
@@ -20,6 +20,7 @@
  */
 
 #include <linux/err.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>
diff --git a/drivers/power/s3c_adc_battery.c b/drivers/power/s3c_adc_battery.c
index a675e31b4f13..d32d0d70f9ba 100644
--- a/drivers/power/s3c_adc_battery.c
+++ b/drivers/power/s3c_adc_battery.c
@@ -20,6 +20,7 @@
 #include <linux/s3c_adc_battery.h>
 #include <linux/errno.h>
 #include <linux/init.h>
+#include <linux/module.h>
 
 #include <plat/adc.h>
 
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index ee893581d4b7..ebe77dd87daf 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -505,8 +505,7 @@ static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
         rdev->dev.dma_mask = &rdev->dma_mask;
         rdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
 
-        if ((rdev->pef & RIO_PEF_INB_DOORBELL) &&
-            (rdev->dst_ops & RIO_DST_OPS_DOORBELL))
+        if (rdev->dst_ops & RIO_DST_OPS_DOORBELL)
                 rio_init_dbell_res(&rdev->riores[RIO_DOORBELL_RESOURCE],
                                    0, 0xffff);
 
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 9329dbb9ebab..4e7c04e773e0 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -152,10 +152,6 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
                 goto retry_get_time;
         }
 
-        pr_debug("read time %04d.%02d.%02d %02d:%02d:%02d\n",
-                 1900 + rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday,
-                 rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec);
-
         rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
         rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
         rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
@@ -164,6 +160,11 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
         rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
 
         rtc_tm->tm_year += 100;
+
+        pr_debug("read time %04d.%02d.%02d %02d:%02d:%02d\n",
+                 1900 + rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday,
+                 rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec);
+
         rtc_tm->tm_mon -= 1;
 
         clk_disable(rtc_clk);
@@ -269,10 +270,9 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
         clk_enable(rtc_clk);
         pr_debug("s3c_rtc_setalarm: %d, %04d.%02d.%02d %02d:%02d:%02d\n",
                  alrm->enabled,
-                 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
+                 1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
                  tm->tm_hour, tm->tm_min, tm->tm_sec);
 
-
         alrm_en = readb(base + S3C2410_RTCALM) & S3C2410_RTCALM_ALMEN;
         writeb(0x00, base + S3C2410_RTCALM);
 
@@ -319,49 +319,7 @@ static int s3c_rtc_proc(struct device *dev, struct seq_file *seq)
         return 0;
 }
 
-static int s3c_rtc_open(struct device *dev)
-{
-        struct platform_device *pdev = to_platform_device(dev);
-        struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
-        int ret;
-
-        ret = request_irq(s3c_rtc_alarmno, s3c_rtc_alarmirq,
-                          IRQF_DISABLED,  "s3c2410-rtc alarm", rtc_dev);
-
-        if (ret) {
-                dev_err(dev, "IRQ%d error %d\n", s3c_rtc_alarmno, ret);
-                return ret;
-        }
-
-        ret = request_irq(s3c_rtc_tickno, s3c_rtc_tickirq,
-                          IRQF_DISABLED,  "s3c2410-rtc tick", rtc_dev);
-
-        if (ret) {
-                dev_err(dev, "IRQ%d error %d\n", s3c_rtc_tickno, ret);
-                goto tick_err;
-        }
-
-        return ret;
-
- tick_err:
-        free_irq(s3c_rtc_alarmno, rtc_dev);
-        return ret;
-}
-
-static void s3c_rtc_release(struct device *dev)
-{
-        struct platform_device *pdev = to_platform_device(dev);
-        struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
-
-        /* do not clear AIE here, it may be needed for wake */
-
-        free_irq(s3c_rtc_alarmno, rtc_dev);
-        free_irq(s3c_rtc_tickno, rtc_dev);
-}
-
 static const struct rtc_class_ops s3c_rtcops = {
-        .open           = s3c_rtc_open,
-        .release        = s3c_rtc_release,
         .read_time      = s3c_rtc_gettime,
         .set_time       = s3c_rtc_settime,
         .read_alarm     = s3c_rtc_getalarm,
@@ -425,6 +383,9 @@ static int __devexit s3c_rtc_remove(struct platform_device *dev)
 {
         struct rtc_device *rtc = platform_get_drvdata(dev);
 
+        free_irq(s3c_rtc_alarmno, rtc);
+        free_irq(s3c_rtc_tickno, rtc);
+
         platform_set_drvdata(dev, NULL);
         rtc_device_unregister(rtc);
 
@@ -548,10 +509,32 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 
         s3c_rtc_setfreq(&pdev->dev, 1);
 
+        ret = request_irq(s3c_rtc_alarmno, s3c_rtc_alarmirq,
+                          IRQF_DISABLED,  "s3c2410-rtc alarm", rtc);
+        if (ret) {
+                dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_alarmno, ret);
+                goto err_alarm_irq;
+        }
+
+        ret = request_irq(s3c_rtc_tickno, s3c_rtc_tickirq,
+                          IRQF_DISABLED,  "s3c2410-rtc tick", rtc);
+        if (ret) {
+                dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_tickno, ret);
+                free_irq(s3c_rtc_alarmno, rtc);
+                goto err_tick_irq;
+        }
+
         clk_disable(rtc_clk);
 
         return 0;
 
+ err_tick_irq:
+        free_irq(s3c_rtc_alarmno, rtc);
+
+ err_alarm_irq:
+        platform_set_drvdata(pdev, NULL);
+        rtc_device_unregister(rtc);
+
  err_nortc:
         s3c_rtc_enable(pdev, 0);
         clk_disable(rtc_clk);
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index eb4e034378cd..f1a2016829fc 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -249,6 +249,7 @@ static int dasd_ioctl_reset_profile(struct dasd_block *block)
 static int dasd_ioctl_read_profile(struct dasd_block *block, void __user *argp)
 {
         struct dasd_profile_info_t *data;
+        int rc = 0;
 
         data = kmalloc(sizeof(*data), GFP_KERNEL);
         if (!data)
@@ -279,11 +280,14 @@ static int dasd_ioctl_read_profile(struct dasd_block *block, void __user *argp)
                 spin_unlock_bh(&block->profile.lock);
         } else {
                 spin_unlock_bh(&block->profile.lock);
-                return -EIO;
+                rc = -EIO;
+                goto out;
         }
         if (copy_to_user(argp, data, sizeof(*data)))
-                return -EFAULT;
-        return 0;
+                rc = -EFAULT;
+out:
+        kfree(data);
+        return rc;
 }
 #else
 static int dasd_ioctl_reset_profile(struct dasd_block *block)
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index be55fb2b1b1c..837e010299a8 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -383,8 +383,10 @@ static int sclp_attach_storage(u8 id)
         switch (sccb->header.response_code) {
         case 0x0020:
                 set_bit(id, sclp_storage_ids);
-                for (i = 0; i < sccb->assigned; i++)
-                        sclp_unassign_storage(sccb->entries[i] >> 16);
+                for (i = 0; i < sccb->assigned; i++) {
+                        if (sccb->entries[i])
+                                sclp_unassign_storage(sccb->entries[i] >> 16);
+                }
                 break;
         default:
                 rc = -EIO;
diff --git a/drivers/staging/brcm80211/brcmsmac/otp.c b/drivers/staging/brcm80211/brcmsmac/otp.c
index 34253cf37812..4a70180eba5d 100644
--- a/drivers/staging/brcm80211/brcmsmac/otp.c
+++ b/drivers/staging/brcm80211/brcmsmac/otp.c
@@ -16,6 +16,7 @@
 
 #include <linux/io.h>
 #include <linux/errno.h>
+#include <linux/string.h>
 
 #include <brcm_hw_ids.h>
 #include <chipcommon.h>
diff --git a/drivers/staging/brcm80211/brcmsmac/types.h b/drivers/staging/brcm80211/brcmsmac/types.h
index bbf21897ae0e..823b5e4672e2 100644
--- a/drivers/staging/brcm80211/brcmsmac/types.h
+++ b/drivers/staging/brcm80211/brcmsmac/types.h
@@ -18,6 +18,7 @@
 #define _BRCM_TYPES_H_
 
 #include <linux/types.h>
+#include <linux/io.h>
 
 /* Bus types */
 #define SI_BUS                  0       /* SOC Interconnect */
diff --git a/drivers/staging/octeon/ethernet-rgmii.c b/drivers/staging/octeon/ethernet-rgmii.c
index 9c0d2936e486..c3d73f8431ae 100644
--- a/drivers/staging/octeon/ethernet-rgmii.c
+++ b/drivers/staging/octeon/ethernet-rgmii.c
@@ -26,6 +26,7 @@
 **********************************************************************/
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
+#include <linux/interrupt.h>
 #include <linux/phy.h>
 #include <linux/ratelimit.h>
 #include <net/dst.h>
diff --git a/drivers/staging/octeon/ethernet-spi.c b/drivers/staging/octeon/ethernet-spi.c
index 970825421884..d0e2d514968a 100644
--- a/drivers/staging/octeon/ethernet-spi.c
+++ b/drivers/staging/octeon/ethernet-spi.c
@@ -26,6 +26,7 @@
 **********************************************************************/
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
+#include <linux/interrupt.h>
 #include <net/dst.h>
 
 #include <asm/octeon/octeon.h>
diff --git a/drivers/staging/tidspbridge/core/dsp-clock.c b/drivers/staging/tidspbridge/core/dsp-clock.c
index 589a0554332e..3d1279c424a8 100644
--- a/drivers/staging/tidspbridge/core/dsp-clock.c
+++ b/drivers/staging/tidspbridge/core/dsp-clock.c
@@ -209,7 +209,6 @@ int dsp_clk_enable(enum dsp_clk_id clk_id)
                 break;
 #ifdef CONFIG_OMAP_MCBSP
         case MCBSP_CLK:
-                omap_mcbsp_set_io_type(MCBSP_ID(clk_id), OMAP_MCBSP_POLL_IO);
                 omap_mcbsp_request(MCBSP_ID(clk_id));
                 omap2_mcbsp_set_clks_src(MCBSP_ID(clk_id), MCBSP_CLKS_PAD_SRC);
                 break;
diff --git a/drivers/staging/zcache/tmem.c b/drivers/staging/zcache/tmem.c
index 975e34bcd722..1ca66ea9b281 100644
--- a/drivers/staging/zcache/tmem.c
+++ b/drivers/staging/zcache/tmem.c
@@ -604,7 +604,7 @@ int tmem_get(struct tmem_pool *pool, struct tmem_oid *oidp, uint32_t index,
         struct tmem_obj *obj;
         void *pampd;
         bool ephemeral = is_ephemeral(pool);
-        uint32_t ret = -1;
+        int ret = -1;
         struct tmem_hashbucket *hb;
         bool free = (get_and_free == 1) || ((get_and_free == 0) && ephemeral);
         bool lock_held = false;
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index 855a5bb56a47..a3f5162bfedc 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -1158,7 +1158,7 @@ static void *zcache_pampd_create(char *data, size_t size, bool raw, int eph,
         size_t clen;
         int ret;
         unsigned long count;
-        struct page *page = virt_to_page(data);
+        struct page *page = (struct page *)(data);
         struct zcache_client *cli = pool->client;
         uint16_t client_id = get_client_id_from_client(cli);
         unsigned long zv_mean_zsize;
@@ -1227,7 +1227,7 @@ static int zcache_pampd_get_data(char *data, size_t *bufsize, bool raw,
         int ret = 0;
 
         BUG_ON(is_ephemeral(pool));
-        zv_decompress(virt_to_page(data), pampd);
+        zv_decompress((struct page *)(data), pampd);
         return ret;
 }
 
@@ -1539,7 +1539,7 @@ static int zcache_put_page(int cli_id, int pool_id, struct tmem_oid *oidp,
                 goto out;
         if (!zcache_freeze && zcache_do_preload(pool) == 0) {
                 /* preload does preempt_disable on success */
-                ret = tmem_put(pool, oidp, index, page_address(page),
+                ret = tmem_put(pool, oidp, index, (char *)(page),
                                 PAGE_SIZE, 0, is_ephemeral(pool));
                 if (ret < 0) {
                         if (is_ephemeral(pool))
@@ -1572,7 +1572,7 @@ static int zcache_get_page(int cli_id, int pool_id, struct tmem_oid *oidp,
         pool = zcache_get_pool_by_id(cli_id, pool_id);
         if (likely(pool != NULL)) {
                 if (atomic_read(&pool->obj_count) > 0)
-                        ret = tmem_get(pool, oidp, index, page_address(page),
+                        ret = tmem_get(pool, oidp, index, (char *)(page),
                                         &size, 0, is_ephemeral(pool));
                 zcache_put_pool(pool);
         }
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index c24fb10de60b..6a4ea29c2f36 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -2243,7 +2243,6 @@ static int iscsit_handle_snack(
         case 0:
                 return iscsit_handle_recovery_datain_or_r2t(conn, buf,
                         hdr->itt, hdr->ttt, hdr->begrun, hdr->runlength);
-                return 0;
         case ISCSI_FLAG_SNACK_TYPE_STATUS:
                 return iscsit_handle_status_snack(conn, hdr->itt, hdr->ttt,
                         hdr->begrun, hdr->runlength);
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index f095e65b1ccf..f1643dbf6a92 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -268,7 +268,7 @@ struct se_tpg_np *lio_target_call_addnptotpg(
                                 ISCSI_TCP);
         if (IS_ERR(tpg_np)) {
                 iscsit_put_tpg(tpg);
-                return ERR_PTR(PTR_ERR(tpg_np));
+                return ERR_CAST(tpg_np);
         }
         pr_debug("LIO_Target_ConfigFS: addnptotpg done!\n");
 
@@ -1285,7 +1285,7 @@ struct se_wwn *lio_target_call_coreaddtiqn(
 
         tiqn = iscsit_add_tiqn((unsigned char *)name);
         if (IS_ERR(tiqn))
-                return ERR_PTR(PTR_ERR(tiqn));
+                return ERR_CAST(tiqn);
         /*
          * Setup struct iscsi_wwn_stat_grps for se_wwn->fabric_stat_group.
          */
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index 980650792cf6..c4c68da3e500 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -834,7 +834,7 @@ static int iscsit_attach_ooo_cmdsn(
                          */
                         list_for_each_entry(ooo_tmp, &sess->sess_ooo_cmdsn_list,
                                                 ooo_list) {
-                                while (ooo_tmp->cmdsn < ooo_cmdsn->cmdsn)
+                                if (ooo_tmp->cmdsn < ooo_cmdsn->cmdsn)
                                         continue;
 
                                 list_add(&ooo_cmdsn->ooo_list,
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index bcaf82f47037..daad362a93ce 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -1013,19 +1013,9 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
                                         ISCSI_LOGIN_STATUS_TARGET_ERROR);
                         goto new_sess_out;
                 }
-#if 0
-                if (!iscsi_ntop6((const unsigned char *)
-                                &sock_in6.sin6_addr.in6_u,
-                                (char *)&conn->ipv6_login_ip[0],
-                                IPV6_ADDRESS_SPACE)) {
-                        pr_err("iscsi_ntop6() failed\n");
-                        iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
-                                        ISCSI_LOGIN_STATUS_TARGET_ERROR);
-                        goto new_sess_out;
-                }
-#else
-                pr_debug("Skipping iscsi_ntop6()\n");
-#endif
+                snprintf(conn->login_ip, sizeof(conn->login_ip), "%pI6c",
+                                &sock_in6.sin6_addr.in6_u);
+                conn->login_port = ntohs(sock_in6.sin6_port);
         } else {
                 memset(&sock_in, 0, sizeof(struct sockaddr_in));
 
diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
index 252e246cf51e..497b2e718a76 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.c
+++ b/drivers/target/iscsi/iscsi_target_parameters.c
@@ -545,13 +545,13 @@ int iscsi_copy_param_list(
         struct iscsi_param_list *src_param_list,
         int leading)
 {
-        struct iscsi_param *new_param = NULL, *param = NULL;
+        struct iscsi_param *param = NULL;
+        struct iscsi_param *new_param = NULL;
         struct iscsi_param_list *param_list = NULL;
 
         param_list = kzalloc(sizeof(struct iscsi_param_list), GFP_KERNEL);
         if (!param_list) {
-                pr_err("Unable to allocate memory for"
-                                " struct iscsi_param_list.\n");
+                pr_err("Unable to allocate memory for struct iscsi_param_list.\n");
                 goto err_out;
         }
         INIT_LIST_HEAD(&param_list->param_list);
@@ -567,8 +567,17 @@ int iscsi_copy_param_list(
 
                 new_param = kzalloc(sizeof(struct iscsi_param), GFP_KERNEL);
                 if (!new_param) {
-                        pr_err("Unable to allocate memory for"
-                                " struct iscsi_param.\n");
+                        pr_err("Unable to allocate memory for struct iscsi_param.\n");
+                        goto err_out;
+                }
+
+                new_param->name = kstrdup(param->name, GFP_KERNEL);
+                new_param->value = kstrdup(param->value, GFP_KERNEL);
+                if (!new_param->value || !new_param->name) {
+                        kfree(new_param->value);
+                        kfree(new_param->name);
+                        kfree(new_param);
+                        pr_err("Unable to allocate memory for parameter name/value.\n");
                         goto err_out;
                 }
 
@@ -580,32 +589,12 @@ int iscsi_copy_param_list(
                 new_param->use = param->use;
                 new_param->type_range = param->type_range;
 
-                new_param->name = kzalloc(strlen(param->name) + 1, GFP_KERNEL);
-                if (!new_param->name) {
-                        pr_err("Unable to allocate memory for"
-                                " parameter name.\n");
-                        goto err_out;
-                }
-
-                new_param->value = kzalloc(strlen(param->value) + 1,
-                                GFP_KERNEL);
-                if (!new_param->value) {
-                        pr_err("Unable to allocate memory for"
-                                " parameter value.\n");
-                        goto err_out;
-                }
-
-                memcpy(new_param->name, param->name, strlen(param->name));
-                new_param->name[strlen(param->name)] = '\0';
-                memcpy(new_param->value, param->value, strlen(param->value));
-                new_param->value[strlen(param->value)] = '\0';
-
                 list_add_tail(&new_param->p_list, &param_list->param_list);
         }
 
-        if (!list_empty(&param_list->param_list))
+        if (!list_empty(&param_list->param_list)) {
                 *dst_param_list = param_list;
-        else {
+        } else {
                 pr_err("No parameters allocated.\n");
                 goto err_out;
         }
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index a1acb0167902..a0d23bc0fc98 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -243,7 +243,7 @@ struct iscsi_cmd *iscsit_allocate_se_cmd_for_tmr(
         if (!cmd->tmr_req) {
                 pr_err("Unable to allocate memory for"
                         " Task Management command!\n");
-                return NULL;
+                goto out;
         }
         /*
          * TASK_REASSIGN for ERL=2 / connection stays inside of
@@ -298,8 +298,6 @@ struct iscsi_cmd *iscsit_allocate_se_cmd_for_tmr(
         return cmd;
 out:
         iscsit_release_cmd(cmd);
-        if (se_cmd)
-                transport_free_se_cmd(se_cmd);
         return NULL;
 }
 
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index 8ae09a1bdf74..89ae923c5da6 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -67,6 +67,7 @@ target_emulate_inquiry_std(struct se_cmd *cmd)
 {
         struct se_lun *lun = cmd->se_lun;
         struct se_device *dev = cmd->se_dev;
+        struct se_portal_group *tpg = lun->lun_sep->sep_tpg;
         unsigned char *buf;
 
         /*
@@ -81,9 +82,13 @@ target_emulate_inquiry_std(struct se_cmd *cmd)
 
         buf = transport_kmap_first_data_page(cmd);
 
-        buf[0] = dev->transport->get_device_type(dev);
-        if (buf[0] == TYPE_TAPE)
-                buf[1] = 0x80;
+        if (dev == tpg->tpg_virt_lun0.lun_se_dev) {
+                buf[0] = 0x3f; /* Not connected */
+        } else {
+                buf[0] = dev->transport->get_device_type(dev);
+                if (buf[0] == TYPE_TAPE)
+                        buf[1] = 0x80;
+        }
         buf[2] = dev->transport->get_device_rev(dev);
 
         /*
@@ -915,8 +920,8 @@ target_emulate_modesense(struct se_cmd *cmd, int ten)
                 length += target_modesense_control(dev, &buf[offset+length]);
                 break;
         default:
-                pr_err("Got Unknown Mode Page: 0x%02x\n",
-                                cdb[2] & 0x3f);
+                pr_err("MODE SENSE: unimplemented page/subpage: 0x%02x/0x%02x\n",
+                       cdb[2] & 0x3f, cdb[3]);
                 return PYX_TRANSPORT_UNKNOWN_MODE_PAGE;
         }
         offset += length;
@@ -1072,8 +1077,6 @@ target_emulate_unmap(struct se_task *task)
                 size -= 16;
         }
 
-        task->task_scsi_status = GOOD;
-        transport_complete_task(task, 1);
 err:
         transport_kunmap_first_data_page(cmd);
 
@@ -1085,24 +1088,17 @@ err:
  * Note this is not used for TCM/pSCSI passthrough
  */
 static int
-target_emulate_write_same(struct se_task *task, int write_same32)
+target_emulate_write_same(struct se_task *task, u32 num_blocks)
 {
         struct se_cmd *cmd = task->task_se_cmd;
         struct se_device *dev = cmd->se_dev;
         sector_t range;
         sector_t lba = cmd->t_task_lba;
-        unsigned int num_blocks;
         int ret;
         /*
-         * Extract num_blocks from the WRITE_SAME_* CDB.  Then use the explict
-         * range when non zero is supplied, otherwise calculate the remaining
-         * range based on ->get_blocks() - starting LBA.
+         * Use the explicit range when non zero is supplied, otherwise calculate
+         * the remaining range based on ->get_blocks() - starting LBA.
          */
-        if (write_same32)
-                num_blocks = get_unaligned_be32(&cmd->t_task_cdb[28]);
-        else
-                num_blocks = get_unaligned_be32(&cmd->t_task_cdb[10]);
-
         if (num_blocks != 0)
                 range = num_blocks;
         else
@@ -1117,8 +1113,6 @@ target_emulate_write_same(struct se_task *task, int write_same32)
                 return ret;
         }
 
-        task->task_scsi_status = GOOD;
-        transport_complete_task(task, 1);
         return 0;
 }
 
@@ -1165,13 +1159,23 @@ transport_emulate_control_cdb(struct se_task *task)
                 }
                 ret = target_emulate_unmap(task);
                 break;
+        case WRITE_SAME:
+                if (!dev->transport->do_discard) {
+                        pr_err("WRITE_SAME emulation not supported"
+                                        " for: %s\n", dev->transport->name);
+                        return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                }
+                ret = target_emulate_write_same(task,
+                                get_unaligned_be16(&cmd->t_task_cdb[7]));
+                break;
         case WRITE_SAME_16:
                 if (!dev->transport->do_discard) {
                         pr_err("WRITE_SAME_16 emulation not supported"
                                         " for: %s\n", dev->transport->name);
                         return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
                 }
-                ret = target_emulate_write_same(task, 0);
+                ret = target_emulate_write_same(task,
+                                get_unaligned_be32(&cmd->t_task_cdb[10]));
                 break;
         case VARIABLE_LENGTH_CMD:
                 service_action =
@@ -1184,7 +1188,8 @@ transport_emulate_control_cdb(struct se_task *task)
                                         dev->transport->name);
                                 return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
                         }
-                        ret = target_emulate_write_same(task, 1);
+                        ret = target_emulate_write_same(task,
+                                get_unaligned_be32(&cmd->t_task_cdb[28]));
                         break;
                 default:
                         pr_err("Unsupported VARIABLE_LENGTH_CMD SA:"
@@ -1219,8 +1224,14 @@ transport_emulate_control_cdb(struct se_task *task)
 
         if (ret < 0)
                 return ret;
-        task->task_scsi_status = GOOD;
-        transport_complete_task(task, 1);
+        /*
+         * Handle the successful completion here unless a caller
+         * has explictly requested an asychronous completion.
+         */
+        if (!(cmd->se_cmd_flags & SCF_EMULATE_CDB_ASYNC)) {
+                task->task_scsi_status = GOOD;
+                transport_complete_task(task, 1);
+        }
 
         return PYX_TRANSPORT_SENT_TO_TRANSPORT;
 }
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index b38b6c993e65..ca6e4a4df134 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -472,9 +472,9 @@ void core_clear_lun_from_tpg(struct se_lun *lun, struct se_portal_group *tpg)
         struct se_dev_entry *deve;
         u32 i;
 
-        spin_lock_bh(&tpg->acl_node_lock);
+        spin_lock_irq(&tpg->acl_node_lock);
         list_for_each_entry(nacl, &tpg->acl_node_list, acl_list) {
-                spin_unlock_bh(&tpg->acl_node_lock);
+                spin_unlock_irq(&tpg->acl_node_lock);
 
                 spin_lock_irq(&nacl->device_list_lock);
                 for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
@@ -491,9 +491,9 @@ void core_clear_lun_from_tpg(struct se_lun *lun, struct se_portal_group *tpg)
                 }
                 spin_unlock_irq(&nacl->device_list_lock);
 
-                spin_lock_bh(&tpg->acl_node_lock);
+                spin_lock_irq(&tpg->acl_node_lock);
         }
-        spin_unlock_bh(&tpg->acl_node_lock);
+        spin_unlock_irq(&tpg->acl_node_lock);
 }
 
 static struct se_port *core_alloc_port(struct se_device *dev)
@@ -839,6 +839,24 @@ int se_dev_check_shutdown(struct se_device *dev)
         return ret;
 }
 
+u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size)
+{
+        u32 tmp, aligned_max_sectors;
+        /*
+         * Limit max_sectors to a PAGE_SIZE aligned value for modern
+         * transport_allocate_data_tasks() operation.
+         */
+        tmp = rounddown((max_sectors * block_size), PAGE_SIZE);
+        aligned_max_sectors = (tmp / block_size);
+        if (max_sectors != aligned_max_sectors) {
+                printk(KERN_INFO "Rounding down aligned max_sectors from %u"
+                                " to %u\n", max_sectors, aligned_max_sectors);
+                return aligned_max_sectors;
+        }
+
+        return max_sectors;
+}
+
 void se_dev_set_default_attribs(
         struct se_device *dev,
         struct se_dev_limits *dev_limits)
@@ -878,6 +896,11 @@ void se_dev_set_default_attribs(
          * max_sectors is based on subsystem plugin dependent requirements.
          */
         dev->se_sub_dev->se_dev_attrib.hw_max_sectors = limits->max_hw_sectors;
+        /*
+         * Align max_sectors down to PAGE_SIZE to follow transport_allocate_data_tasks()
+         */
+        limits->max_sectors = se_dev_align_max_sectors(limits->max_sectors,
+                                                limits->logical_block_size);
         dev->se_sub_dev->se_dev_attrib.max_sectors = limits->max_sectors;
         /*
          * Set optimal_sectors from max_sectors, which can be lowered via
@@ -1242,6 +1265,11 @@ int se_dev_set_max_sectors(struct se_device *dev, u32 max_sectors)
                         return -EINVAL;
                 }
         }
+        /*
+         * Align max_sectors down to PAGE_SIZE to follow transport_allocate_data_tasks()
+         */
+        max_sectors = se_dev_align_max_sectors(max_sectors,
+                                dev->se_sub_dev->se_dev_attrib.block_size);
 
         dev->se_sub_dev->se_dev_attrib.max_sectors = max_sectors;
         pr_debug("dev[%p]: SE Device max_sectors changed to %u\n",
@@ -1344,15 +1372,17 @@ struct se_lun *core_dev_add_lun(
          */
         if (tpg->se_tpg_tfo->tpg_check_demo_mode(tpg)) {
                 struct se_node_acl *acl;
-                spin_lock_bh(&tpg->acl_node_lock);
+                spin_lock_irq(&tpg->acl_node_lock);
                 list_for_each_entry(acl, &tpg->acl_node_list, acl_list) {
-                        if (acl->dynamic_node_acl) {
-                                spin_unlock_bh(&tpg->acl_node_lock);
+                        if (acl->dynamic_node_acl &&
+                            (!tpg->se_tpg_tfo->tpg_check_demo_mode_login_only ||
+                             !tpg->se_tpg_tfo->tpg_check_demo_mode_login_only(tpg))) {
+                                spin_unlock_irq(&tpg->acl_node_lock);
                                 core_tpg_add_node_to_devs(acl, tpg);
-                                spin_lock_bh(&tpg->acl_node_lock);
+                                spin_lock_irq(&tpg->acl_node_lock);
                         }
                 }
-                spin_unlock_bh(&tpg->acl_node_lock);
+                spin_unlock_irq(&tpg->acl_node_lock);
         }
 
         return lun_p;
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index f1654694f4ea..55bbe0847a6d 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -481,7 +481,7 @@ static struct config_group *target_fabric_make_nodeacl(
 
         se_nacl = tf->tf_ops.fabric_make_nodeacl(se_tpg, group, name);
         if (IS_ERR(se_nacl))
-                return ERR_PTR(PTR_ERR(se_nacl));
+                return ERR_CAST(se_nacl);
 
         nacl_cg = &se_nacl->acl_group;
         nacl_cg->default_groups = se_nacl->acl_default_groups;
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 1c1b849cd4fb..7fd3a161f7cc 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -1598,14 +1598,14 @@ static int core_scsi3_decode_spec_i_port(
                          * from the decoded fabric module specific TransportID
                          * at *i_str.
                          */
-                        spin_lock_bh(&tmp_tpg->acl_node_lock);
+                        spin_lock_irq(&tmp_tpg->acl_node_lock);
                         dest_node_acl = __core_tpg_get_initiator_node_acl(
                                                 tmp_tpg, i_str);
                         if (dest_node_acl) {
                                 atomic_inc(&dest_node_acl->acl_pr_ref_count);
                                 smp_mb__after_atomic_inc();
                         }
-                        spin_unlock_bh(&tmp_tpg->acl_node_lock);
+                        spin_unlock_irq(&tmp_tpg->acl_node_lock);
 
                         if (!dest_node_acl) {
                                 core_scsi3_tpg_undepend_item(tmp_tpg);
@@ -3496,14 +3496,14 @@ after_iport_check:
         /*
          * Locate the destination struct se_node_acl from the received Transport ID
          */
-        spin_lock_bh(&dest_se_tpg->acl_node_lock);
+        spin_lock_irq(&dest_se_tpg->acl_node_lock);
         dest_node_acl = __core_tpg_get_initiator_node_acl(dest_se_tpg,
                                 initiator_str);
         if (dest_node_acl) {
                 atomic_inc(&dest_node_acl->acl_pr_ref_count);
                 smp_mb__after_atomic_inc();
         }
-        spin_unlock_bh(&dest_se_tpg->acl_node_lock);
+        spin_unlock_irq(&dest_se_tpg->acl_node_lock);
 
         if (!dest_node_acl) {
                 pr_err("Unable to locate %s dest_node_acl for"
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 3dd81d24d9a9..e567e129c697 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -390,12 +390,10 @@ static int rd_MEMCPY_read(struct rd_request *req)
                                 length = req->rd_size;
 
                         dst = sg_virt(&sg_d[i++]) + dst_offset;
-                        if (!dst)
-                                BUG();
+                        BUG_ON(!dst);
 
                         src = sg_virt(&sg_s[j]) + src_offset;
-                        if (!src)
-                                BUG();
+                        BUG_ON(!src);
 
                         dst_offset = 0;
                         src_offset = length;
@@ -415,8 +413,7 @@ static int rd_MEMCPY_read(struct rd_request *req)
                                 length = req->rd_size;
 
                         dst = sg_virt(&sg_d[i]) + dst_offset;
-                        if (!dst)
-                                BUG();
+                        BUG_ON(!dst);
 
                         if (sg_d[i].length == length) {
                                 i++;
@@ -425,8 +422,7 @@ static int rd_MEMCPY_read(struct rd_request *req)
                                 dst_offset = length;
 
                         src = sg_virt(&sg_s[j++]) + src_offset;
-                        if (!src)
-                                BUG();
+                        BUG_ON(!src);
 
                         src_offset = 0;
                         page_end = 1;
@@ -510,12 +506,10 @@ static int rd_MEMCPY_write(struct rd_request *req)
                                 length = req->rd_size;
 
                         src = sg_virt(&sg_s[i++]) + src_offset;
-                        if (!src)
-                                BUG();
+                        BUG_ON(!src);
 
                         dst = sg_virt(&sg_d[j]) + dst_offset;
-                        if (!dst)
-                                BUG();
+                        BUG_ON(!dst);
 
                         src_offset = 0;
                         dst_offset = length;
@@ -535,8 +529,7 @@ static int rd_MEMCPY_write(struct rd_request *req)
                                 length = req->rd_size;
 
                         src = sg_virt(&sg_s[i]) + src_offset;
-                        if (!src)
-                                BUG();
+                        BUG_ON(!src);
 
                         if (sg_s[i].length == length) {
                                 i++;
@@ -545,8 +538,7 @@ static int rd_MEMCPY_write(struct rd_request *req)
                                 src_offset = length;
 
                         dst = sg_virt(&sg_d[j++]) + dst_offset;
-                        if (!dst)
-                                BUG();
+                        BUG_ON(!dst);
 
                         dst_offset = 0;
                         page_end = 1;
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index 4f1ba4c5ef11..162b736c7342 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -137,15 +137,15 @@ struct se_node_acl *core_tpg_get_initiator_node_acl(
 {
         struct se_node_acl *acl;
 
-        spin_lock_bh(&tpg->acl_node_lock);
+        spin_lock_irq(&tpg->acl_node_lock);
         list_for_each_entry(acl, &tpg->acl_node_list, acl_list) {
                 if (!strcmp(acl->initiatorname, initiatorname) &&
                     !acl->dynamic_node_acl) {
-                        spin_unlock_bh(&tpg->acl_node_lock);
+                        spin_unlock_irq(&tpg->acl_node_lock);
                         return acl;
                 }
         }
-        spin_unlock_bh(&tpg->acl_node_lock);
+        spin_unlock_irq(&tpg->acl_node_lock);
 
         return NULL;
 }
@@ -298,13 +298,21 @@ struct se_node_acl *core_tpg_check_initiator_node_acl(
                 tpg->se_tpg_tfo->tpg_release_fabric_acl(tpg, acl);
                 return NULL;
         }
+        /*
+         * Here we only create demo-mode MappedLUNs from the active
+         * TPG LUNs if the fabric is not explictly asking for
+         * tpg_check_demo_mode_login_only() == 1.
+         */
+        if ((tpg->se_tpg_tfo->tpg_check_demo_mode_login_only != NULL) &&
+            (tpg->se_tpg_tfo->tpg_check_demo_mode_login_only(tpg) == 1))
+                do { ; } while (0);
+        else
+                core_tpg_add_node_to_devs(acl, tpg);
 
-        core_tpg_add_node_to_devs(acl, tpg);
-
-        spin_lock_bh(&tpg->acl_node_lock);
+        spin_lock_irq(&tpg->acl_node_lock);
         list_add_tail(&acl->acl_list, &tpg->acl_node_list);
         tpg->num_node_acls++;
-        spin_unlock_bh(&tpg->acl_node_lock);
+        spin_unlock_irq(&tpg->acl_node_lock);
 
         pr_debug("%s_TPG[%u] - Added DYNAMIC ACL with TCQ Depth: %d for %s"
                 " Initiator Node: %s\n", tpg->se_tpg_tfo->get_fabric_name(),
@@ -354,7 +362,7 @@ struct se_node_acl *core_tpg_add_initiator_node_acl(
 {
         struct se_node_acl *acl = NULL;
 
-        spin_lock_bh(&tpg->acl_node_lock);
+        spin_lock_irq(&tpg->acl_node_lock);
         acl = __core_tpg_get_initiator_node_acl(tpg, initiatorname);
         if (acl) {
                 if (acl->dynamic_node_acl) {
@@ -362,7 +370,7 @@ struct se_node_acl *core_tpg_add_initiator_node_acl(
                         pr_debug("%s_TPG[%u] - Replacing dynamic ACL"
                                 " for %s\n", tpg->se_tpg_tfo->get_fabric_name(),
                                 tpg->se_tpg_tfo->tpg_get_tag(tpg), initiatorname);
-                        spin_unlock_bh(&tpg->acl_node_lock);
+                        spin_unlock_irq(&tpg->acl_node_lock);
                         /*
                          * Release the locally allocated struct se_node_acl
                          * because * core_tpg_add_initiator_node_acl() returned
@@ -378,10 +386,10 @@ struct se_node_acl *core_tpg_add_initiator_node_acl(
                         " Node %s already exists for TPG %u, ignoring"
                         " request.\n",  tpg->se_tpg_tfo->get_fabric_name(),
                         initiatorname, tpg->se_tpg_tfo->tpg_get_tag(tpg));
-                spin_unlock_bh(&tpg->acl_node_lock);
+                spin_unlock_irq(&tpg->acl_node_lock);
                 return ERR_PTR(-EEXIST);
         }
-        spin_unlock_bh(&tpg->acl_node_lock);
+        spin_unlock_irq(&tpg->acl_node_lock);
 
         if (!se_nacl) {
                 pr_err("struct se_node_acl pointer is NULL\n");
@@ -418,10 +426,10 @@ struct se_node_acl *core_tpg_add_initiator_node_acl(
                 return ERR_PTR(-EINVAL);
         }
 
-        spin_lock_bh(&tpg->acl_node_lock);
+        spin_lock_irq(&tpg->acl_node_lock);
         list_add_tail(&acl->acl_list, &tpg->acl_node_list);
         tpg->num_node_acls++;
-        spin_unlock_bh(&tpg->acl_node_lock);
+        spin_unlock_irq(&tpg->acl_node_lock);
 
 done:
         pr_debug("%s_TPG[%hu] - Added ACL with TCQ Depth: %d for %s"
@@ -445,14 +453,14 @@ int core_tpg_del_initiator_node_acl(
         struct se_session *sess, *sess_tmp;
         int dynamic_acl = 0;
 
-        spin_lock_bh(&tpg->acl_node_lock);
+        spin_lock_irq(&tpg->acl_node_lock);
         if (acl->dynamic_node_acl) {
                 acl->dynamic_node_acl = 0;
                 dynamic_acl = 1;
         }
         list_del(&acl->acl_list);
         tpg->num_node_acls--;
-        spin_unlock_bh(&tpg->acl_node_lock);
+        spin_unlock_irq(&tpg->acl_node_lock);
 
         spin_lock_bh(&tpg->session_lock);
         list_for_each_entry_safe(sess, sess_tmp,
@@ -503,21 +511,21 @@ int core_tpg_set_initiator_node_queue_depth(
         struct se_node_acl *acl;
         int dynamic_acl = 0;
 
-        spin_lock_bh(&tpg->acl_node_lock);
+        spin_lock_irq(&tpg->acl_node_lock);
         acl = __core_tpg_get_initiator_node_acl(tpg, initiatorname);
         if (!acl) {
                 pr_err("Access Control List entry for %s Initiator"
                         " Node %s does not exists for TPG %hu, ignoring"
                         " request.\n", tpg->se_tpg_tfo->get_fabric_name(),
                         initiatorname, tpg->se_tpg_tfo->tpg_get_tag(tpg));
-                spin_unlock_bh(&tpg->acl_node_lock);
+                spin_unlock_irq(&tpg->acl_node_lock);
                 return -ENODEV;
         }
         if (acl->dynamic_node_acl) {
                 acl->dynamic_node_acl = 0;
                 dynamic_acl = 1;
         }
-        spin_unlock_bh(&tpg->acl_node_lock);
+        spin_unlock_irq(&tpg->acl_node_lock);
 
         spin_lock_bh(&tpg->session_lock);
         list_for_each_entry(sess, &tpg->tpg_sess_list, sess_list) {
@@ -533,10 +541,10 @@ int core_tpg_set_initiator_node_queue_depth(
                                 tpg->se_tpg_tfo->get_fabric_name(), initiatorname);
                         spin_unlock_bh(&tpg->session_lock);
 
-                        spin_lock_bh(&tpg->acl_node_lock);
+                        spin_lock_irq(&tpg->acl_node_lock);
                         if (dynamic_acl)
                                 acl->dynamic_node_acl = 1;
-                        spin_unlock_bh(&tpg->acl_node_lock);
+                        spin_unlock_irq(&tpg->acl_node_lock);
                         return -EEXIST;
                 }
                 /*
@@ -571,10 +579,10 @@ int core_tpg_set_initiator_node_queue_depth(
                 if (init_sess)
                         tpg->se_tpg_tfo->close_session(init_sess);
 
-                spin_lock_bh(&tpg->acl_node_lock);
+                spin_lock_irq(&tpg->acl_node_lock);
                 if (dynamic_acl)
                         acl->dynamic_node_acl = 1;
-                spin_unlock_bh(&tpg->acl_node_lock);
+                spin_unlock_irq(&tpg->acl_node_lock);
                 return -EINVAL;
         }
         spin_unlock_bh(&tpg->session_lock);
@@ -590,10 +598,10 @@ int core_tpg_set_initiator_node_queue_depth(
                 initiatorname, tpg->se_tpg_tfo->get_fabric_name(),
                 tpg->se_tpg_tfo->tpg_get_tag(tpg));
 
-        spin_lock_bh(&tpg->acl_node_lock);
+        spin_lock_irq(&tpg->acl_node_lock);
         if (dynamic_acl)
                 acl->dynamic_node_acl = 1;
-        spin_unlock_bh(&tpg->acl_node_lock);
+        spin_unlock_irq(&tpg->acl_node_lock);
 
         return 0;
 }
@@ -717,20 +725,20 @@ int core_tpg_deregister(struct se_portal_group *se_tpg)
          * not been released because of TFO->tpg_check_demo_mode_cache() == 1
          * in transport_deregister_session().
          */
-        spin_lock_bh(&se_tpg->acl_node_lock);
+        spin_lock_irq(&se_tpg->acl_node_lock);
         list_for_each_entry_safe(nacl, nacl_tmp, &se_tpg->acl_node_list,
                         acl_list) {
                 list_del(&nacl->acl_list);
                 se_tpg->num_node_acls--;
-                spin_unlock_bh(&se_tpg->acl_node_lock);
+                spin_unlock_irq(&se_tpg->acl_node_lock);
 
                 core_tpg_wait_for_nacl_pr_ref(nacl);
                 core_free_device_list_for_node(nacl, se_tpg);
                 se_tpg->se_tpg_tfo->tpg_release_fabric_acl(se_tpg, nacl);
 
-                spin_lock_bh(&se_tpg->acl_node_lock);
+                spin_lock_irq(&se_tpg->acl_node_lock);
         }
-        spin_unlock_bh(&se_tpg->acl_node_lock);
+        spin_unlock_irq(&se_tpg->acl_node_lock);
 
         if (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL)
                 core_tpg_release_virtual_lun0(se_tpg);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 89760329d5d0..8d0c58ea6316 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -389,17 +389,18 @@ void transport_deregister_session(struct se_session *se_sess)
 {
         struct se_portal_group *se_tpg = se_sess->se_tpg;
         struct se_node_acl *se_nacl;
+        unsigned long flags;
 
         if (!se_tpg) {
                 transport_free_session(se_sess);
                 return;
         }
 
-        spin_lock_bh(&se_tpg->session_lock);
+        spin_lock_irqsave(&se_tpg->session_lock, flags);
         list_del(&se_sess->sess_list);
         se_sess->se_tpg = NULL;
         se_sess->fabric_sess_ptr = NULL;
-        spin_unlock_bh(&se_tpg->session_lock);
+        spin_unlock_irqrestore(&se_tpg->session_lock, flags);
 
         /*
          * Determine if we need to do extra work for this initiator node's
@@ -407,22 +408,22 @@ void transport_deregister_session(struct se_session *se_sess)
          */
         se_nacl = se_sess->se_node_acl;
         if (se_nacl) {
-                spin_lock_bh(&se_tpg->acl_node_lock);
+                spin_lock_irqsave(&se_tpg->acl_node_lock, flags);
                 if (se_nacl->dynamic_node_acl) {
                         if (!se_tpg->se_tpg_tfo->tpg_check_demo_mode_cache(
                                         se_tpg)) {
                                 list_del(&se_nacl->acl_list);
                                 se_tpg->num_node_acls--;
-                                spin_unlock_bh(&se_tpg->acl_node_lock);
+                                spin_unlock_irqrestore(&se_tpg->acl_node_lock, flags);
 
                                 core_tpg_wait_for_nacl_pr_ref(se_nacl);
                                 core_free_device_list_for_node(se_nacl, se_tpg);
                                 se_tpg->se_tpg_tfo->tpg_release_fabric_acl(se_tpg,
                                                 se_nacl);
-                                spin_lock_bh(&se_tpg->acl_node_lock);
+                                spin_lock_irqsave(&se_tpg->acl_node_lock, flags);
                         }
                 }
-                spin_unlock_bh(&se_tpg->acl_node_lock);
+                spin_unlock_irqrestore(&se_tpg->acl_node_lock, flags);
         }
 
         transport_free_session(se_sess);
@@ -2053,8 +2054,14 @@ static void transport_generic_request_failure(
                 cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
                 break;
         }
-
-        if (!sc)
+        /*
+         * If a fabric does not define a cmd->se_tfo->new_cmd_map caller,
+         * make the call to transport_send_check_condition_and_sense()
+         * directly.  Otherwise expect the fabric to make the call to
+         * transport_send_check_condition_and_sense() after handling
+         * possible unsoliticied write data payloads.
+         */
+        if (!sc && !cmd->se_tfo->new_cmd_map)
                 transport_new_cmd_failure(cmd);
         else {
                 ret = transport_send_check_condition_and_sense(cmd,
@@ -2847,12 +2854,42 @@ static int transport_cmd_get_valid_sectors(struct se_cmd *cmd)
                         " transport_dev_end_lba(): %llu\n",
                         cmd->t_task_lba, sectors,
                         transport_dev_end_lba(dev));
-                pr_err("  We should return CHECK_CONDITION"
-                       " but we don't yet\n");
-                return 0;
+                return -EINVAL;
         }
 
-        return sectors;
+        return 0;
+}
+
+static int target_check_write_same_discard(unsigned char *flags, struct se_device *dev)
+{
+        /*
+         * Determine if the received WRITE_SAME is used to for direct
+         * passthrough into Linux/SCSI with struct request via TCM/pSCSI
+         * or we are signaling the use of internal WRITE_SAME + UNMAP=1
+         * emulation for -> Linux/BLOCK disbard with TCM/IBLOCK code.
+         */
+        int passthrough = (dev->transport->transport_type ==
+                                TRANSPORT_PLUGIN_PHBA_PDEV);
+
+        if (!passthrough) {
+                if ((flags[0] & 0x04) || (flags[0] & 0x02)) {
+                        pr_err("WRITE_SAME PBDATA and LBDATA"
+                                " bits not supported for Block Discard"
+                                " Emulation\n");
+                        return -ENOSYS;
+                }
+                /*
+                 * Currently for the emulated case we only accept
+                 * tpws with the UNMAP=1 bit set.
+                 */
+                if (!(flags[0] & 0x08)) {
+                        pr_err("WRITE_SAME w/o UNMAP bit not"
+                                " supported for Block Discard Emulation\n");
+                        return -ENOSYS;
+                }
+        }
+
+        return 0;
 }
 
 /*      transport_generic_cmd_sequencer():
@@ -3065,7 +3102,7 @@ static int transport_generic_cmd_sequencer(
                                 goto out_unsupported_cdb;
 
                         if (sectors)
-                                size = transport_get_size(sectors, cdb, cmd);
+                                size = transport_get_size(1, cdb, cmd);
                         else {
                                 pr_err("WSNZ=1, WRITE_SAME w/sectors=0 not"
                                        " supported\n");
@@ -3075,27 +3112,9 @@ static int transport_generic_cmd_sequencer(
                         cmd->t_task_lba = get_unaligned_be64(&cdb[12]);
                         cmd->se_cmd_flags |= SCF_SCSI_CONTROL_SG_IO_CDB;
 
-                        /*
-                         * Skip the remaining assignments for TCM/PSCSI passthrough
-                         */
-                        if (passthrough)
-                                break;
-
-                        if ((cdb[10] & 0x04) || (cdb[10] & 0x02)) {
-                                pr_err("WRITE_SAME PBDATA and LBDATA"
-                                        " bits not supported for Block Discard"
-                                        " Emulation\n");
+                        if (target_check_write_same_discard(&cdb[10], dev) < 0)
                                 goto out_invalid_cdb_field;
-                        }
-                        /*
-                         * Currently for the emulated case we only accept
-                         * tpws with the UNMAP=1 bit set.
-                         */
-                        if (!(cdb[10] & 0x08)) {
-                                pr_err("WRITE_SAME w/o UNMAP bit not"
-                                        " supported for Block Discard Emulation\n");
-                                goto out_invalid_cdb_field;
-                        }
+
                         break;
                 default:
                         pr_err("VARIABLE_LENGTH_CMD service action"
@@ -3330,10 +3349,12 @@ static int transport_generic_cmd_sequencer(
                 cmd->se_cmd_flags |= SCF_EMULATE_CDB_ASYNC;
                 /*
                  * Check to ensure that LBA + Range does not exceed past end of
-                 * device.
+                 * device for IBLOCK and FILEIO ->do_sync_cache() backend calls
                  */
-                if (!transport_cmd_get_valid_sectors(cmd))
-                        goto out_invalid_cdb_field;
+                if ((cmd->t_task_lba != 0) || (sectors != 0)) {
+                        if (transport_cmd_get_valid_sectors(cmd) < 0)
+                                goto out_invalid_cdb_field;
+                }
                 break;
         case UNMAP:
                 size = get_unaligned_be16(&cdb[7]);
@@ -3345,40 +3366,38 @@ static int transport_generic_cmd_sequencer(
                         goto out_unsupported_cdb;
 
                 if (sectors)
-                        size = transport_get_size(sectors, cdb, cmd);
+                        size = transport_get_size(1, cdb, cmd);
                 else {
                         pr_err("WSNZ=1, WRITE_SAME w/sectors=0 not supported\n");
                         goto out_invalid_cdb_field;
                 }
 
                 cmd->t_task_lba = get_unaligned_be64(&cdb[2]);
-                passthrough = (dev->transport->transport_type ==
-                                TRANSPORT_PLUGIN_PHBA_PDEV);
-                /*
-                 * Determine if the received WRITE_SAME_16 is used to for direct
-                 * passthrough into Linux/SCSI with struct request via TCM/pSCSI
-                 * or we are signaling the use of internal WRITE_SAME + UNMAP=1
-                 * emulation for -> Linux/BLOCK disbard with TCM/IBLOCK and
-                 * TCM/FILEIO subsystem plugin backstores.
-                 */
-                if (!passthrough) {
-                        if ((cdb[1] & 0x04) || (cdb[1] & 0x02)) {
-                                pr_err("WRITE_SAME PBDATA and LBDATA"
-                                        " bits not supported for Block Discard"
-                                        " Emulation\n");
-                                goto out_invalid_cdb_field;
-                        }
-                        /*
-                         * Currently for the emulated case we only accept
-                         * tpws with the UNMAP=1 bit set.
-                         */
-                        if (!(cdb[1] & 0x08)) {
-                                pr_err("WRITE_SAME w/o UNMAP bit not "
-                                        " supported for Block Discard Emulation\n");
-                                goto out_invalid_cdb_field;
-                        }
+                cmd->se_cmd_flags |= SCF_SCSI_CONTROL_SG_IO_CDB;
+
+                if (target_check_write_same_discard(&cdb[1], dev) < 0)
+                        goto out_invalid_cdb_field;
+                break;
+        case WRITE_SAME:
+                sectors = transport_get_sectors_10(cdb, cmd, &sector_ret);
+                if (sector_ret)
+                        goto out_unsupported_cdb;
+
+                if (sectors)
+                        size = transport_get_size(1, cdb, cmd);
+                else {
+                        pr_err("WSNZ=1, WRITE_SAME w/sectors=0 not supported\n");
+                        goto out_invalid_cdb_field;
                 }
+
+                cmd->t_task_lba = get_unaligned_be32(&cdb[2]);
                 cmd->se_cmd_flags |= SCF_SCSI_CONTROL_SG_IO_CDB;
+                /*
+                 * Follow sbcr26 with WRITE_SAME (10) and check for the existence
+                 * of byte 1 bit 3 UNMAP instead of original reserved field
+                 */
+                if (target_check_write_same_discard(&cdb[1], dev) < 0)
+                        goto out_invalid_cdb_field;
                 break;
         case ALLOW_MEDIUM_REMOVAL:
         case GPCMD_CLOSE_TRACK:
@@ -3873,9 +3892,7 @@ EXPORT_SYMBOL(transport_generic_map_mem_to_cmd);
 static int transport_new_cmd_obj(struct se_cmd *cmd)
 {
         struct se_device *dev = cmd->se_dev;
-        u32 task_cdbs;
-        u32 rc;
-        int set_counts = 1;
+        int set_counts = 1, rc, task_cdbs;
 
         /*
          * Setup any BIDI READ tasks and memory from
@@ -3893,7 +3910,7 @@ static int transport_new_cmd_obj(struct se_cmd *cmd)
                         cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
                         cmd->scsi_sense_reason =
                                 TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-                        return PYX_TRANSPORT_LU_COMM_FAILURE;
+                        return -EINVAL;
                 }
                 atomic_inc(&cmd->t_fe_count);
                 atomic_inc(&cmd->t_se_count);
@@ -3912,7 +3929,7 @@ static int transport_new_cmd_obj(struct se_cmd *cmd)
                 cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
                 cmd->scsi_sense_reason =
                         TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                return -EINVAL;
         }
 
         if (set_counts) {
@@ -4028,8 +4045,6 @@ void transport_do_task_sg_chain(struct se_cmd *cmd)
                 if (!task->task_sg)
                         continue;
 
-                BUG_ON(!task->task_padded_sg);
-
                 if (!sg_first) {
                         sg_first = task->task_sg;
                         chained_nents = task->task_sg_nents;
@@ -4037,9 +4052,19 @@ void transport_do_task_sg_chain(struct se_cmd *cmd)
                         sg_chain(sg_prev, sg_prev_nents, task->task_sg);
                         chained_nents += task->task_sg_nents;
                 }
+                /*
+                 * For the padded tasks, use the extra SGL vector allocated
+                 * in transport_allocate_data_tasks() for the sg_prev_nents
+                 * offset into sg_chain() above..  The last task of a
+                 * multi-task list, or a single task will not have
+                 * task->task_sg_padded set..
+                 */
+                if (task->task_padded_sg)
+                        sg_prev_nents = (task->task_sg_nents + 1);
+                else
+                        sg_prev_nents = task->task_sg_nents;
 
                 sg_prev = task->task_sg;
-                sg_prev_nents = task->task_sg_nents;
         }
         /*
          * Setup the starting pointer and total t_tasks_sg_linked_no including
@@ -4091,7 +4116,7 @@ static int transport_allocate_data_tasks(
         
         cmd_sg = sgl;
         for (i = 0; i < task_count; i++) {
-                unsigned int task_size;
+                unsigned int task_size, task_sg_nents_padded;
                 int count;
 
                 task = transport_generic_get_task(cmd, data_direction);
@@ -4110,30 +4135,33 @@ static int transport_allocate_data_tasks(
 
                 /* Update new cdb with updated lba/sectors */
                 cmd->transport_split_cdb(task->task_lba, task->task_sectors, cdb);
-
+                /*
+                 * This now assumes that passed sg_ents are in PAGE_SIZE chunks
+                 * in order to calculate the number per task SGL entries
+                 */
+                task->task_sg_nents = DIV_ROUND_UP(task->task_size, PAGE_SIZE);
                 /*
                  * Check if the fabric module driver is requesting that all
                  * struct se_task->task_sg[] be chained together..  If so,
                  * then allocate an extra padding SG entry for linking and
-                 * marking the end of the chained SGL.
-                 * Possibly over-allocate task sgl size by using cmd sgl size.
-                 * It's so much easier and only a waste when task_count > 1.
-                 * That is extremely rare.
+                 * marking the end of the chained SGL for every task except
+                 * the last one for (task_count > 1) operation, or skipping
+                 * the extra padding for the (task_count == 1) case.
                  */
-                task->task_sg_nents = sgl_nents;
-                if (cmd->se_tfo->task_sg_chaining) {
-                        task->task_sg_nents++;
+                if (cmd->se_tfo->task_sg_chaining && (i < (task_count - 1))) {
+                        task_sg_nents_padded = (task->task_sg_nents + 1);
                         task->task_padded_sg = 1;
-                }
+                } else
+                        task_sg_nents_padded = task->task_sg_nents;
 
                 task->task_sg = kmalloc(sizeof(struct scatterlist) *
-                                        task->task_sg_nents, GFP_KERNEL);
+                                        task_sg_nents_padded, GFP_KERNEL);
                 if (!task->task_sg) {
                         cmd->se_dev->transport->free_task(task);
                         return -ENOMEM;
                 }
 
-                sg_init_table(task->task_sg, task->task_sg_nents);
+                sg_init_table(task->task_sg, task_sg_nents_padded);
 
                 task_size = task->task_size;
 
@@ -4230,10 +4258,13 @@ static u32 transport_allocate_tasks(
         struct scatterlist *sgl,
         unsigned int sgl_nents)
 {
-        if (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB)
+        if (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB) {
+                if (transport_cmd_get_valid_sectors(cmd) < 0)
+                        return -EINVAL;
+
                 return transport_allocate_data_tasks(cmd, lba, data_direction,
                                                      sgl, sgl_nents);
-        else
+        } else
                 return transport_allocate_control_task(cmd);
 
 }
@@ -4726,6 +4757,13 @@ int transport_send_check_condition_and_sense(
          */
         switch (reason) {
         case TCM_NON_EXISTENT_LUN:
+                /* CURRENT ERROR */
+                buffer[offset] = 0x70;
+                /* ILLEGAL REQUEST */
+                buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+                /* LOGICAL UNIT NOT SUPPORTED */
+                buffer[offset+SPC_ASC_KEY_OFFSET] = 0x25;
+                break;
         case TCM_UNSUPPORTED_SCSI_OPCODE:
         case TCM_SECTOR_COUNT_TOO_MANY:
                 /* CURRENT ERROR */
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 8781d1e423df..b15879d43e22 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -256,7 +256,7 @@ struct ft_node_acl *ft_acl_get(struct ft_tpg *tpg, struct fc_rport_priv *rdata)
         struct se_portal_group *se_tpg = &tpg->se_tpg;
         struct se_node_acl *se_acl;
 
-        spin_lock_bh(&se_tpg->acl_node_lock);
+        spin_lock_irq(&se_tpg->acl_node_lock);
         list_for_each_entry(se_acl, &se_tpg->acl_node_list, acl_list) {
                 acl = container_of(se_acl, struct ft_node_acl, se_node_acl);
                 pr_debug("acl %p port_name %llx\n",
@@ -270,7 +270,7 @@ struct ft_node_acl *ft_acl_get(struct ft_tpg *tpg, struct fc_rport_priv *rdata)
                         break;
                 }
         }
-        spin_unlock_bh(&se_tpg->acl_node_lock);
+        spin_unlock_irq(&se_tpg->acl_node_lock);
         return found;
 }
 
@@ -655,9 +655,7 @@ static void __exit ft_exit(void)
         synchronize_rcu();
 }
 
-#ifdef MODULE
 MODULE_DESCRIPTION("FC TCM fabric driver " FT_VERSION);
 MODULE_LICENSE("GPL");
 module_init(ft_init);
 module_exit(ft_exit);
-#endif /* MODULE */
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 98b6e3bdb000..e809e9d4683c 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -446,8 +446,19 @@ static inline void legacy_pty_init(void) { }
 int pty_limit = NR_UNIX98_PTY_DEFAULT;
 static int pty_limit_min;
 static int pty_limit_max = NR_UNIX98_PTY_MAX;
+static int tty_count;
 static int pty_count;
 
+static inline void pty_inc_count(void)
+{
+        pty_count = (++tty_count) / 2;
+}
+
+static inline void pty_dec_count(void)
+{
+        pty_count = (--tty_count) / 2;
+}
+
 static struct cdev ptmx_cdev;
 
 static struct ctl_table pty_table[] = {
@@ -542,6 +553,7 @@ static struct tty_struct *pts_unix98_lookup(struct tty_driver *driver,
 
 static void pty_unix98_shutdown(struct tty_struct *tty)
 {
+        tty_driver_remove_tty(tty->driver, tty);
         /* We have our own method as we don't use the tty index */
         kfree(tty->termios);
 }
@@ -588,7 +600,8 @@ static int pty_unix98_install(struct tty_driver *driver, struct tty_struct *tty)
          */
         tty_driver_kref_get(driver);
         tty->count++;
-        pty_count++;
+        pty_inc_count(); /* tty */
+        pty_inc_count(); /* tty->link */
         return 0;
 err_free_mem:
         deinitialize_tty_struct(o_tty);
@@ -602,7 +615,7 @@ err_free_tty:
 
 static void pty_unix98_remove(struct tty_driver *driver, struct tty_struct *tty)
 {
-        pty_count--;
+        pty_dec_count();
 }
 
 static const struct tty_operations ptm_unix98_ops = {
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index f2dfec82faf8..7f50999eebc2 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -1819,6 +1819,8 @@ static void serial8250_backup_timeout(unsigned long data)
         unsigned int iir, ier = 0, lsr;
         unsigned long flags;
 
+        spin_lock_irqsave(&up->port.lock, flags);
+
         /*
          * Must disable interrupts or else we risk racing with the interrupt
          * based handler.
@@ -1836,10 +1838,8 @@ static void serial8250_backup_timeout(unsigned long data)
          * the "Diva" UART used on the management processor on many HP
          * ia64 and parisc boxes.
          */
-        spin_lock_irqsave(&up->port.lock, flags);
         lsr = serial_in(up, UART_LSR);
         up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS;
-        spin_unlock_irqrestore(&up->port.lock, flags);
         if ((iir & UART_IIR_NO_INT) && (up->ier & UART_IER_THRI) &&
             (!uart_circ_empty(&up->port.state->xmit) || up->port.x_char) &&
             (lsr & UART_LSR_THRE)) {
@@ -1848,11 +1848,13 @@ static void serial8250_backup_timeout(unsigned long data)
         }
 
         if (!(iir & UART_IIR_NO_INT))
-                serial8250_handle_port(up);
+                transmit_chars(up);
 
         if (is_real_interrupt(up->port.irq))
                 serial_out(up, UART_IER, ier);
 
+        spin_unlock_irqrestore(&up->port.lock, flags);
+
         /* Standard timer interval plus 0.2s to keep the port running */
         mod_timer(&up->timer,
                 jiffies + uart_poll_timeout(&up->port) + HZ / 5);
diff --git a/drivers/tty/serial/8250_pci.c b/drivers/tty/serial/8250_pci.c
index 6b887d90a205..3abeca2a2a1b 100644
--- a/drivers/tty/serial/8250_pci.c
+++ b/drivers/tty/serial/8250_pci.c
@@ -1599,11 +1599,6 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
                 .device         = 0x800D,
                 .init           = pci_eg20t_init,
         },
-        {
-                .vendor         = 0x10DB,
-                .device         = 0x800D,
-                .init           = pci_eg20t_init,
-        },
         /*
          * Cronyx Omega PCI (PLX-chip based)
          */
@@ -4021,7 +4016,7 @@ static struct pci_device_id serial_pci_tbl[] = {
                 0, 0, pbn_NETMOS9900_2s_115200 },
 
         /*
-         * Best Connectivity PCI Multi I/O cards
+         * Best Connectivity and Rosewill PCI Multi I/O cards
          */
 
         {       PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
@@ -4029,6 +4024,10 @@ static struct pci_device_id serial_pci_tbl[] = {
                 0, 0, pbn_b0_1_115200 },
 
         {       PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
+                0xA000, 0x3002,
+                0, 0, pbn_b0_bt_2_115200 },
+
+        {       PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
                 0xA000, 0x3004,
                 0, 0, pbn_b0_bt_4_115200 },
         /* Intel CE4100 */
diff --git a/drivers/tty/serial/8250_pnp.c b/drivers/tty/serial/8250_pnp.c
index fc301f6722e1..a2f236510ff1 100644
--- a/drivers/tty/serial/8250_pnp.c
+++ b/drivers/tty/serial/8250_pnp.c
@@ -109,6 +109,9 @@ static const struct pnp_device_id pnp_dev_table[] = {
         /* IBM */
         /* IBM Thinkpad 701 Internal Modem Voice */
         {       "IBM0033",              0       },
+        /* Intermec */
+        /* Intermec CV60 touchscreen port */
+        {       "PNP4972",              0       },
         /* Intertex */
         /* Intertex 28k8 33k6 Voice EXT PnP */
         {       "IXDC801",              0       },
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index af9b7814965a..b922f5d2e61e 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1609,9 +1609,11 @@ static struct console atmel_console = {
 static int __init atmel_console_init(void)
 {
         if (atmel_default_console_device) {
-                add_preferred_console(ATMEL_DEVICENAME,
-                                      atmel_default_console_device->id, NULL);
-                atmel_init_port(&atmel_ports[atmel_default_console_device->id],
+                struct atmel_uart_data *pdata =
+                        atmel_default_console_device->dev.platform_data;
+
+                add_preferred_console(ATMEL_DEVICENAME, pdata->num, NULL);
+                atmel_init_port(&atmel_ports[pdata->num],
                                 atmel_default_console_device);
                 register_console(&atmel_console);
         }
diff --git a/drivers/tty/serial/max3107-aava.c b/drivers/tty/serial/max3107-aava.c
index a1fe304f2f52..d73aadd7a9ad 100644
--- a/drivers/tty/serial/max3107-aava.c
+++ b/drivers/tty/serial/max3107-aava.c
@@ -340,5 +340,5 @@ module_exit(max3107_exit);
 
 MODULE_DESCRIPTION("MAX3107 driver");
 MODULE_AUTHOR("Aavamobile");
-MODULE_ALIAS("aava-max3107-spi");
+MODULE_ALIAS("spi:aava-max3107");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/tty/serial/max3107.c b/drivers/tty/serial/max3107.c
index 750b4f627315..a8164601c0ea 100644
--- a/drivers/tty/serial/max3107.c
+++ b/drivers/tty/serial/max3107.c
@@ -1209,5 +1209,5 @@ module_exit(max3107_exit);
 
 MODULE_DESCRIPTION("MAX3107 driver");
 MODULE_AUTHOR("Aavamobile");
-MODULE_ALIAS("max3107-spi");
+MODULE_ALIAS("spi:max3107");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/tty/serial/mrst_max3110.c b/drivers/tty/serial/mrst_max3110.c
index a764bf99743b..23bc743f2a22 100644
--- a/drivers/tty/serial/mrst_max3110.c
+++ b/drivers/tty/serial/mrst_max3110.c
@@ -917,4 +917,4 @@ module_init(serial_m3110_init);
 module_exit(serial_m3110_exit);
 
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("max3110-uart");
+MODULE_ALIAS("spi:max3110-uart");
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index c37df8d0fa28..5e713d3ef1f4 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -806,8 +806,7 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
 
         serial_omap_set_mctrl(&up->port, up->port.mctrl);
         /* Software Flow Control Configuration */
-        if (termios->c_iflag & (IXON | IXOFF))
-                serial_omap_configure_xonxoff(up, termios);
+        serial_omap_configure_xonxoff(up, termios);
 
         spin_unlock_irqrestore(&up->port.lock, flags);
         dev_dbg(up->port.dev, "serial_omap_set_termios+%d\n", up->pdev->id);
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 846dfcd3ce0d..b46218d679e2 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -598,7 +598,8 @@ static void pch_request_dma(struct uart_port *port)
         dma_cap_zero(mask);
         dma_cap_set(DMA_SLAVE, mask);
 
-        dma_dev = pci_get_bus_and_slot(2, PCI_DEVFN(0xa, 0)); /* Get DMA's dev
+        dma_dev = pci_get_bus_and_slot(priv->pdev->bus->number,
+                                       PCI_DEVFN(0xa, 0)); /* Get DMA's dev
                                                                 information */
         /* Set Tx DMA */
         param = &priv->param_tx;
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index afc629423152..6edafb5ace18 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1225,15 +1225,19 @@ static const struct dev_pm_ops s3c24xx_serial_pm_ops = {
         .suspend = s3c24xx_serial_suspend,
         .resume = s3c24xx_serial_resume,
 };
+#define SERIAL_SAMSUNG_PM_OPS   (&s3c24xx_serial_pm_ops)
+
 #else /* !CONFIG_PM_SLEEP */
-#define s3c24xx_serial_pm_ops   NULL
+
+#define SERIAL_SAMSUNG_PM_OPS   NULL
 #endif /* CONFIG_PM_SLEEP */
 
 int s3c24xx_serial_init(struct platform_driver *drv,
                         struct s3c24xx_uart_info *info)
 {
         dbg("s3c24xx_serial_init(%p,%p)\n", drv, info);
-        drv->driver.pm = &s3c24xx_serial_pm_ops;
+
+        drv->driver.pm = SERIAL_SAMSUNG_PM_OPS;
 
         return platform_driver_register(drv);
 }
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index db7912cb7ae0..a3efbea5dbba 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -200,6 +200,11 @@ static int uart_startup(struct tty_struct *tty, struct uart_state *state, int in
                 clear_bit(TTY_IO_ERROR, &tty->flags);
         }
 
+        /*
+         * This is to allow setserial on this port. People may want to set
+         * port/irq/type and then reconfigure the port properly if it failed
+         * now.
+         */
         if (retval && capable(CAP_SYS_ADMIN))
                 retval = 0;
 
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 2ec57b2fb278..a9414facda47 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1913,6 +1913,7 @@ static int __devinit sci_init_single(struct platform_device *dev,
 
                 port->dev = &dev->dev;
 
+                pm_runtime_irq_safe(&dev->dev);
                 pm_runtime_enable(&dev->dev);
         }
 
diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index c327218cad44..9af9f0879a24 100644
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -235,7 +235,7 @@ static inline void *qe2cpu_addr(dma_addr_t addr, struct uart_qe_port *qe_port)
                 return qe_port->bd_virt + (addr - qe_port->bd_dma_addr);
 
         /* something nasty happened */
-        printk(KERN_ERR "%s: addr=%x\n", __func__, addr);
+        printk(KERN_ERR "%s: addr=%llx\n", __func__, (u64)addr);
         BUG();
         return NULL;
 }
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 150e4f747c7d..4f1fc81112e6 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1295,8 +1295,7 @@ static int tty_driver_install_tty(struct tty_driver *driver,
  *
  *      Locking: tty_mutex for now
  */
-static void tty_driver_remove_tty(struct tty_driver *driver,
-                                                struct tty_struct *tty)
+void tty_driver_remove_tty(struct tty_driver *driver, struct tty_struct *tty)
 {
         if (driver->ops->remove)
                 driver->ops->remove(driver, tty);
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 8669ba3fe794..73cbbd85219f 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1775,6 +1775,8 @@ int usb_hcd_alloc_bandwidth(struct usb_device *udev,
                 struct usb_interface *iface = usb_ifnum_to_if(udev,
                                 cur_alt->desc.bInterfaceNumber);
 
+                if (!iface)
+                        return -EINVAL;
                 if (iface->resetting_device) {
                         /*
                          * The USB core just reset the device, so the xHCI host
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index 8f8d3f6cd89e..8f3eab1af885 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -434,6 +434,7 @@ static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
                             config_ep_by_speed(gadget, f, fp->out_ep)) {
                                 fp->in_ep->desc = NULL;
                                 fp->out_ep->desc = NULL;
+                                spin_unlock(&port->lock);
                                 return -EINVAL;
                         }
                         usb_ep_enable(fp->out_ep);
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index e051b30c1847..4c32cb19b405 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -343,7 +343,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
         u32                     temp;
         u32                     power_okay;
         int                     i;
-        u8                      resume_needed = 0;
+        unsigned long           resume_needed = 0;
 
         if (time_before (jiffies, ehci->next_statechange))
                 msleep(5);
@@ -416,7 +416,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
                 if (test_bit(i, &ehci->bus_suspended) &&
                                 (temp & PORT_SUSPEND)) {
                         temp |= PORT_RESUME;
-                        resume_needed = 1;
+                        set_bit(i, &resume_needed);
                 }
                 ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
         }
@@ -431,8 +431,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
         i = HCS_N_PORTS (ehci->hcs_params);
         while (i--) {
                 temp = ehci_readl(ehci, &ehci->regs->port_status [i]);
-                if (test_bit(i, &ehci->bus_suspended) &&
-                                (temp & PORT_SUSPEND)) {
+                if (test_bit(i, &resume_needed)) {
                         temp &= ~(PORT_RWC_BITS | PORT_RESUME);
                         ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
                         ehci_vdbg (ehci, "resumed port %d\n", i + 1);
diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c
index b3958b3d3163..9e77f1c8bdbd 100644
--- a/drivers/usb/host/ehci-s5p.c
+++ b/drivers/usb/host/ehci-s5p.c
@@ -86,6 +86,7 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev)
                 goto fail_hcd;
         }
 
+        s5p_ehci->hcd = hcd;
         s5p_ehci->clk = clk_get(&pdev->dev, "usbhost");
 
         if (IS_ERR(s5p_ehci->clk)) {
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 0be788cc2fdb..1e96d1f1fe6b 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -463,11 +463,12 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                                         && (temp & PORT_POWER))
                                 status |= USB_PORT_STAT_SUSPEND;
                 }
-                if ((temp & PORT_PLS_MASK) == XDEV_RESUME) {
+                if ((temp & PORT_PLS_MASK) == XDEV_RESUME &&
+                                !DEV_SUPERSPEED(temp)) {
                         if ((temp & PORT_RESET) || !(temp & PORT_PE))
                                 goto error;
-                        if (!DEV_SUPERSPEED(temp) && time_after_eq(jiffies,
-                                                bus_state->resume_done[wIndex])) {
+                        if (time_after_eq(jiffies,
+                                        bus_state->resume_done[wIndex])) {
                                 xhci_dbg(xhci, "Resume USB2 port %d\n",
                                         wIndex + 1);
                                 bus_state->resume_done[wIndex] = 0;
@@ -487,6 +488,14 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                                 xhci_ring_device(xhci, slot_id);
                                 bus_state->port_c_suspend |= 1 << wIndex;
                                 bus_state->suspended_ports &= ~(1 << wIndex);
+                        } else {
+                                /*
+                                 * The resume has been signaling for less than
+                                 * 20ms. Report the port status as SUSPEND,
+                                 * let the usbcore check port status again
+                                 * and clear resume signaling later.
+                                 */
+                                status |= USB_PORT_STAT_SUSPEND;
                         }
                 }
                 if ((temp & PORT_PLS_MASK) == XDEV_U0
@@ -664,7 +673,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                         xhci_dbg(xhci, "PORTSC %04x\n", temp);
                         if (temp & PORT_RESET)
                                 goto error;
-                        if (temp & XDEV_U3) {
+                        if ((temp & PORT_PLS_MASK) == XDEV_U3) {
                                 if ((temp & PORT_PE) == 0)
                                         goto error;
 
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 7113d16e2d3a..54139a2f06ce 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -514,8 +514,12 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
                         (unsigned long long) addr);
 }
 
+/* flip_cycle means flip the cycle bit of all but the first and last TRB.
+ * (The last TRB actually points to the ring enqueue pointer, which is not part
+ * of this TD.)  This is used to remove partially enqueued isoc TDs from a ring.
+ */
 static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
-                struct xhci_td *cur_td)
+                struct xhci_td *cur_td, bool flip_cycle)
 {
         struct xhci_segment *cur_seg;
         union xhci_trb *cur_trb;
@@ -528,6 +532,12 @@ static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
                          * leave the pointers intact.
                          */
                         cur_trb->generic.field[3] &= cpu_to_le32(~TRB_CHAIN);
+                        /* Flip the cycle bit (link TRBs can't be the first
+                         * or last TRB).
+                         */
+                        if (flip_cycle)
+                                cur_trb->generic.field[3] ^=
+                                        cpu_to_le32(TRB_CYCLE);
                         xhci_dbg(xhci, "Cancel (unchain) link TRB\n");
                         xhci_dbg(xhci, "Address = %p (0x%llx dma); "
                                         "in seg %p (0x%llx dma)\n",
@@ -541,6 +551,11 @@ static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
                         cur_trb->generic.field[2] = 0;
                         /* Preserve only the cycle bit of this TRB */
                         cur_trb->generic.field[3] &= cpu_to_le32(TRB_CYCLE);
+                        /* Flip the cycle bit except on the first or last TRB */
+                        if (flip_cycle && cur_trb != cur_td->first_trb &&
+                                        cur_trb != cur_td->last_trb)
+                                cur_trb->generic.field[3] ^=
+                                        cpu_to_le32(TRB_CYCLE);
                         cur_trb->generic.field[3] |= cpu_to_le32(
                                 TRB_TYPE(TRB_TR_NOOP));
                         xhci_dbg(xhci, "Cancel TRB %p (0x%llx dma) "
@@ -719,14 +734,14 @@ static void handle_stopped_endpoint(struct xhci_hcd *xhci,
                                         cur_td->urb->stream_id,
                                         cur_td, &deq_state);
                 else
-                        td_to_noop(xhci, ep_ring, cur_td);
+                        td_to_noop(xhci, ep_ring, cur_td, false);
 remove_finished_td:
                 /*
                  * The event handler won't see a completion for this TD anymore,
                  * so remove it from the endpoint ring's TD list.  Keep it in
                  * the cancelled TD list for URB completion later.
                  */
-                list_del(&cur_td->td_list);
+                list_del_init(&cur_td->td_list);
         }
         last_unlinked_td = cur_td;
         xhci_stop_watchdog_timer_in_irq(xhci, ep);
@@ -754,7 +769,7 @@ remove_finished_td:
         do {
                 cur_td = list_entry(ep->cancelled_td_list.next,
                                 struct xhci_td, cancelled_td_list);
-                list_del(&cur_td->cancelled_td_list);
+                list_del_init(&cur_td->cancelled_td_list);
 
                 /* Clean up the cancelled URB */
                 /* Doesn't matter what we pass for status, since the core will
@@ -862,9 +877,9 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
                                 cur_td = list_first_entry(&ring->td_list,
                                                 struct xhci_td,
                                                 td_list);
-                                list_del(&cur_td->td_list);
+                                list_del_init(&cur_td->td_list);
                                 if (!list_empty(&cur_td->cancelled_td_list))
-                                        list_del(&cur_td->cancelled_td_list);
+                                        list_del_init(&cur_td->cancelled_td_list);
                                 xhci_giveback_urb_in_irq(xhci, cur_td,
                                                 -ESHUTDOWN, "killed");
                         }
@@ -873,7 +888,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
                                                 &temp_ep->cancelled_td_list,
                                                 struct xhci_td,
                                                 cancelled_td_list);
-                                list_del(&cur_td->cancelled_td_list);
+                                list_del_init(&cur_td->cancelled_td_list);
                                 xhci_giveback_urb_in_irq(xhci, cur_td,
                                                 -ESHUTDOWN, "killed");
                         }
@@ -1565,10 +1580,10 @@ td_cleanup:
                         else
                                 *status = 0;
                 }
-                list_del(&td->td_list);
+                list_del_init(&td->td_list);
                 /* Was this TD slated to be cancelled but completed anyway? */
                 if (!list_empty(&td->cancelled_td_list))
-                        list_del(&td->cancelled_td_list);
+                        list_del_init(&td->cancelled_td_list);
 
                 urb_priv->td_cnt++;
                 /* Giveback the urb when all the tds are completed */
@@ -2500,11 +2515,8 @@ static int prepare_transfer(struct xhci_hcd *xhci,
 
         if (td_index == 0) {
                 ret = usb_hcd_link_urb_to_ep(bus_to_hcd(urb->dev->bus), urb);
-                if (unlikely(ret)) {
-                        xhci_urb_free_priv(xhci, urb_priv);
-                        urb->hcpriv = NULL;
+                if (unlikely(ret))
                         return ret;
-                }
         }
 
         td->urb = urb;
@@ -2672,6 +2684,10 @@ static u32 xhci_v1_0_td_remainder(int running_total, int trb_buff_len,
 {
         int packets_transferred;
 
+        /* One TRB with a zero-length data packet. */
+        if (running_total == 0 && trb_buff_len == 0)
+                return 0;
+
         /* All the TRB queueing functions don't count the current TRB in
          * running_total.
          */
@@ -3113,20 +3129,15 @@ static int count_isoc_trbs_needed(struct xhci_hcd *xhci,
                 struct urb *urb, int i)
 {
         int num_trbs = 0;
-        u64 addr, td_len, running_total;
+        u64 addr, td_len;
 
         addr = (u64) (urb->transfer_dma + urb->iso_frame_desc[i].offset);
         td_len = urb->iso_frame_desc[i].length;
 
-        running_total = TRB_MAX_BUFF_SIZE - (addr & (TRB_MAX_BUFF_SIZE - 1));
-        running_total &= TRB_MAX_BUFF_SIZE - 1;
-        if (running_total != 0)
-                num_trbs++;
-
-        while (running_total < td_len) {
+        num_trbs = DIV_ROUND_UP(td_len + (addr & (TRB_MAX_BUFF_SIZE - 1)),
+                        TRB_MAX_BUFF_SIZE);
+        if (num_trbs == 0)
                 num_trbs++;
-                running_total += TRB_MAX_BUFF_SIZE;
-        }
 
         return num_trbs;
 }
@@ -3226,6 +3237,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
         start_trb = &ep_ring->enqueue->generic;
         start_cycle = ep_ring->cycle_state;
 
+        urb_priv = urb->hcpriv;
         /* Queue the first TRB, even if it's zero-length */
         for (i = 0; i < num_tds; i++) {
                 unsigned int total_packet_count;
@@ -3237,9 +3249,11 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                 addr = start_addr + urb->iso_frame_desc[i].offset;
                 td_len = urb->iso_frame_desc[i].length;
                 td_remain_len = td_len;
-                /* FIXME: Ignoring zero-length packets, can those happen? */
                 total_packet_count = roundup(td_len,
                                 le16_to_cpu(urb->ep->desc.wMaxPacketSize));
+                /* A zero-length transfer still involves at least one packet. */
+                if (total_packet_count == 0)
+                        total_packet_count++;
                 burst_count = xhci_get_burst_count(xhci, urb->dev, urb,
                                 total_packet_count);
                 residue = xhci_get_last_burst_packet_count(xhci,
@@ -3249,12 +3263,13 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 
                 ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index,
                                 urb->stream_id, trbs_per_td, urb, i, mem_flags);
-                if (ret < 0)
-                        return ret;
+                if (ret < 0) {
+                        if (i == 0)
+                                return ret;
+                        goto cleanup;
+                }
 
-                urb_priv = urb->hcpriv;
                 td = urb_priv->td[i];
-
                 for (j = 0; j < trbs_per_td; j++) {
                         u32 remainder = 0;
                         field = TRB_TBC(burst_count) | TRB_TLBPC(residue);
@@ -3344,6 +3359,27 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
         giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id,
                         start_cycle, start_trb);
         return 0;
+cleanup:
+        /* Clean up a partially enqueued isoc transfer. */
+
+        for (i--; i >= 0; i--)
+                list_del_init(&urb_priv->td[i]->td_list);
+
+        /* Use the first TD as a temporary variable to turn the TDs we've queued
+         * into No-ops with a software-owned cycle bit. That way the hardware
+         * won't accidentally start executing bogus TDs when we partially
+         * overwrite them.  td->first_trb and td->start_seg are already set.
+         */
+        urb_priv->td[0]->last_trb = ep_ring->enqueue;
+        /* Every TRB except the first & last will have its cycle bit flipped. */
+        td_to_noop(xhci, ep_ring, urb_priv->td[0], true);
+
+        /* Reset the ring enqueue back to the first TRB and its cycle bit. */
+        ep_ring->enqueue = urb_priv->td[0]->first_trb;
+        ep_ring->enq_seg = urb_priv->td[0]->start_seg;
+        ep_ring->cycle_state = start_cycle;
+        usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), urb);
+        return ret;
 }
 
 /*
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1c4432d8fc10..3a0f695138f4 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1085,8 +1085,11 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
                 if (urb->dev->speed == USB_SPEED_FULL) {
                         ret = xhci_check_maxpacket(xhci, slot_id,
                                         ep_index, urb);
-                        if (ret < 0)
+                        if (ret < 0) {
+                                xhci_urb_free_priv(xhci, urb_priv);
+                                urb->hcpriv = NULL;
                                 return ret;
+                        }
                 }
 
                 /* We have a spinlock and interrupts disabled, so we must pass
@@ -1097,6 +1100,8 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
                         goto dying;
                 ret = xhci_queue_ctrl_tx(xhci, GFP_ATOMIC, urb,
                                 slot_id, ep_index);
+                if (ret)
+                        goto free_priv;
                 spin_unlock_irqrestore(&xhci->lock, flags);
         } else if (usb_endpoint_xfer_bulk(&urb->ep->desc)) {
                 spin_lock_irqsave(&xhci->lock, flags);
@@ -1117,6 +1122,8 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
                         ret = xhci_queue_bulk_tx(xhci, GFP_ATOMIC, urb,
                                         slot_id, ep_index);
                 }
+                if (ret)
+                        goto free_priv;
                 spin_unlock_irqrestore(&xhci->lock, flags);
         } else if (usb_endpoint_xfer_int(&urb->ep->desc)) {
                 spin_lock_irqsave(&xhci->lock, flags);
@@ -1124,6 +1131,8 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
                         goto dying;
                 ret = xhci_queue_intr_tx(xhci, GFP_ATOMIC, urb,
                                 slot_id, ep_index);
+                if (ret)
+                        goto free_priv;
                 spin_unlock_irqrestore(&xhci->lock, flags);
         } else {
                 spin_lock_irqsave(&xhci->lock, flags);
@@ -1131,18 +1140,22 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
                         goto dying;
                 ret = xhci_queue_isoc_tx_prepare(xhci, GFP_ATOMIC, urb,
                                 slot_id, ep_index);
+                if (ret)
+                        goto free_priv;
                 spin_unlock_irqrestore(&xhci->lock, flags);
         }
 exit:
         return ret;
 dying:
-        xhci_urb_free_priv(xhci, urb_priv);
-        urb->hcpriv = NULL;
         xhci_dbg(xhci, "Ep 0x%x: URB %p submitted for "
                         "non-responsive xHCI host.\n",
                         urb->ep->desc.bEndpointAddress, urb);
+        ret = -ESHUTDOWN;
+free_priv:
+        xhci_urb_free_priv(xhci, urb_priv);
+        urb->hcpriv = NULL;
         spin_unlock_irqrestore(&xhci->lock, flags);
-        return -ESHUTDOWN;
+        return ret;
 }
 
 /* Get the right ring for the given URB.
@@ -1239,6 +1252,13 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
         if (temp == 0xffffffff || (xhci->xhc_state & XHCI_STATE_HALTED)) {
                 xhci_dbg(xhci, "HW died, freeing TD.\n");
                 urb_priv = urb->hcpriv;
+                for (i = urb_priv->td_cnt; i < urb_priv->length; i++) {
+                        td = urb_priv->td[i];
+                        if (!list_empty(&td->td_list))
+                                list_del_init(&td->td_list);
+                        if (!list_empty(&td->cancelled_td_list))
+                                list_del_init(&td->cancelled_td_list);
+                }
 
                 usb_hcd_unlink_urb_from_ep(hcd, urb);
                 spin_unlock_irqrestore(&xhci->lock, flags);
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index ae8c39617743..5e7cfba5b079 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -17,6 +17,7 @@
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/prefetch.h>
 
 #include <asm/cacheflush.h>
 
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index 149f3f310a0a..318fb4e8a885 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -226,8 +226,10 @@ static int cppi_controller_stop(struct dma_controller *c)
         struct cppi             *controller;
         void __iomem            *tibase;
         int                     i;
+        struct musb             *musb;
 
         controller = container_of(c, struct cppi, controller);
+        musb = controller->musb;
 
         tibase = controller->tibase;
         /* DISABLE INDIVIDUAL CHANNEL Interrupts */
@@ -289,9 +291,11 @@ cppi_channel_allocate(struct dma_controller *c,
         u8                      index;
         struct cppi_channel     *cppi_ch;
         void __iomem            *tibase;
+        struct musb             *musb;
 
         controller = container_of(c, struct cppi, controller);
         tibase = controller->tibase;
+        musb = controller->musb;
 
         /* ep0 doesn't use DMA; remember cppi indices are 0..N-1 */
         index = ep->epnum - 1;
@@ -339,7 +343,8 @@ static void cppi_channel_release(struct dma_channel *channel)
         c = container_of(channel, struct cppi_channel, channel);
         tibase = c->controller->tibase;
         if (!c->hw_ep)
-                dev_dbg(musb->controller, "releasing idle DMA channel %p\n", c);
+                dev_dbg(c->controller->musb->controller,
+                        "releasing idle DMA channel %p\n", c);
         else if (!c->transmit)
                 core_rxirq_enable(tibase, c->index + 1);
 
@@ -357,10 +362,11 @@ cppi_dump_rx(int level, struct cppi_channel *c, const char *tag)
 
         musb_ep_select(base, c->index + 1);
 
-        DBG(level, "RX DMA%d%s: %d left, csr %04x, "
-                        "%08x H%08x S%08x C%08x, "
-                        "B%08x L%08x %08x .. %08x"
-                        "\n",
+        dev_dbg(c->controller->musb->controller,
+                "RX DMA%d%s: %d left, csr %04x, "
+                "%08x H%08x S%08x C%08x, "
+                "B%08x L%08x %08x .. %08x"
+                "\n",
                 c->index, tag,
                 musb_readl(c->controller->tibase,
                         DAVINCI_RXCPPI_BUFCNT0_REG + 4 * c->index),
@@ -387,10 +393,11 @@ cppi_dump_tx(int level, struct cppi_channel *c, const char *tag)
 
         musb_ep_select(base, c->index + 1);
 
-        DBG(level, "TX DMA%d%s: csr %04x, "
-                        "H%08x S%08x C%08x %08x, "
-                        "F%08x L%08x .. %08x"
-                        "\n",
+        dev_dbg(c->controller->musb->controller,
+                "TX DMA%d%s: csr %04x, "
+                "H%08x S%08x C%08x %08x, "
+                "F%08x L%08x .. %08x"
+                "\n",
                 c->index, tag,
                 musb_readw(c->hw_ep->regs, MUSB_TXCSR),
 
@@ -1022,6 +1029,7 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch)
         int                             i;
         dma_addr_t                      safe2ack;
         void __iomem                    *regs = rx->hw_ep->regs;
+        struct musb                     *musb = cppi->musb;
 
         cppi_dump_rx(6, rx, "/K");
 
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 668eeef601ae..b3c065ab9dbc 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -172,7 +172,8 @@ enum musb_g_ep0_state {
 #endif
 
 /* TUSB mapping: "flat" plus ep0 special cases */
-#if     defined(CONFIG_USB_MUSB_TUSB6010)
+#if defined(CONFIG_USB_MUSB_TUSB6010) || \
+        defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 #define musb_ep_select(_mbase, _epnum) \
         musb_writeb((_mbase), MUSB_INDEX, (_epnum))
 #define MUSB_EP_OFFSET                  MUSB_TUSB_OFFSET
@@ -241,7 +242,8 @@ struct musb_hw_ep {
         void __iomem            *fifo;
         void __iomem            *regs;
 
-#ifdef CONFIG_USB_MUSB_TUSB6010
+#if defined(CONFIG_USB_MUSB_TUSB6010) || \
+        defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
         void __iomem            *conf;
 #endif
 
@@ -258,7 +260,8 @@ struct musb_hw_ep {
         struct dma_channel      *tx_channel;
         struct dma_channel      *rx_channel;
 
-#ifdef CONFIG_USB_MUSB_TUSB6010
+#if defined(CONFIG_USB_MUSB_TUSB6010) || \
+        defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
         /* TUSB has "asynchronous" and "synchronous" dma modes */
         dma_addr_t              fifo_async;
         dma_addr_t              fifo_sync;
@@ -356,7 +359,8 @@ struct musb {
         void __iomem            *ctrl_base;
         void __iomem            *mregs;
 
-#ifdef CONFIG_USB_MUSB_TUSB6010
+#if defined(CONFIG_USB_MUSB_TUSB6010) || \
+        defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
         dma_addr_t              async;
         dma_addr_t              sync;
         void __iomem            *sync_va;
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 8c41a2e6ea77..e81820370d6f 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1856,6 +1856,7 @@ int __init musb_gadget_setup(struct musb *musb)
 
         return 0;
 err:
+        musb->g.dev.parent = NULL;
         device_unregister(&musb->g.dev);
         return status;
 }
@@ -1863,7 +1864,8 @@ err:
 void musb_gadget_cleanup(struct musb *musb)
 {
         usb_del_gadget_udc(&musb->g);
-        device_unregister(&musb->g.dev);
+        if (musb->g.dev.parent)
+                device_unregister(&musb->g.dev);
 }
 
 /*
diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h
index 82410703dcd3..03f2655af290 100644
--- a/drivers/usb/musb/musb_regs.h
+++ b/drivers/usb/musb/musb_regs.h
@@ -234,7 +234,8 @@
 #define MUSB_TESTMODE           0x0F    /* 8 bit */
 
 /* Get offset for a given FIFO from musb->mregs */
-#ifdef  CONFIG_USB_MUSB_TUSB6010
+#if defined(CONFIG_USB_MUSB_TUSB6010) ||        \
+        defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 #define MUSB_FIFO_OFFSET(epnum) (0x200 + ((epnum) * 0x20))
 #else
 #define MUSB_FIFO_OFFSET(epnum) (0x20 + ((epnum) * 4))
@@ -295,7 +296,8 @@
 #define MUSB_FLAT_OFFSET(_epnum, _offset)       \
         (0x100 + (0x10*(_epnum)) + (_offset))
 
-#ifdef CONFIG_USB_MUSB_TUSB6010
+#if defined(CONFIG_USB_MUSB_TUSB6010) ||        \
+        defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 /* TUSB6010 EP0 configuration register is special */
 #define MUSB_TUSB_OFFSET(_epnum, _offset)       \
         (0x10 + _offset)
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index 9eec41fbf3a4..ec1480191f78 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -18,6 +18,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/init.h>
+#include <linux/prefetch.h>
 #include <linux/usb.h>
 #include <linux/irq.h>
 #include <linux/platform_device.h>
diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c
index 07c8a73dfe41..b67b4bc596c1 100644
--- a/drivers/usb/musb/tusb6010_omap.c
+++ b/drivers/usb/musb/tusb6010_omap.c
@@ -20,6 +20,7 @@
 #include <plat/mux.h>
 
 #include "musb_core.h"
+#include "tusb6010.h"
 
 #define to_chdat(c)             ((struct tusb_omap_dma_ch *)(c)->private_data)
 
diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c
index cecace411832..ef4333f4bbe0 100644
--- a/drivers/usb/musb/ux500_dma.c
+++ b/drivers/usb/musb/ux500_dma.c
@@ -65,7 +65,8 @@ static void ux500_tx_work(struct work_struct *data)
         struct musb *musb = hw_ep->musb;
         unsigned long flags;
 
-        DBG(4, "DMA tx transfer done on hw_ep=%d\n", hw_ep->epnum);
+        dev_dbg(musb->controller, "DMA tx transfer done on hw_ep=%d\n",
+                hw_ep->epnum);
 
         spin_lock_irqsave(&musb->lock, flags);
         ux500_channel->channel.actual_len = ux500_channel->cur_len;
@@ -84,7 +85,8 @@ static void ux500_rx_work(struct work_struct *data)
         struct musb *musb = hw_ep->musb;
         unsigned long flags;
 
-        DBG(4, "DMA rx transfer done on hw_ep=%d\n", hw_ep->epnum);
+        dev_dbg(musb->controller, "DMA rx transfer done on hw_ep=%d\n",
+                hw_ep->epnum);
 
         spin_lock_irqsave(&musb->lock, flags);
         ux500_channel->channel.actual_len = ux500_channel->cur_len;
@@ -116,9 +118,11 @@ static bool ux500_configure_channel(struct dma_channel *channel,
         enum dma_slave_buswidth addr_width;
         dma_addr_t usb_fifo_addr = (MUSB_FIFO_OFFSET(hw_ep->epnum) +
                                         ux500_channel->controller->phy_base);
+        struct musb *musb = ux500_channel->controller->private_data;
 
-        DBG(4, "packet_sz=%d, mode=%d, dma_addr=0x%x, len=%d is_tx=%d\n",
-                        packet_sz, mode, dma_addr, len, ux500_channel->is_tx);
+        dev_dbg(musb->controller,
+                "packet_sz=%d, mode=%d, dma_addr=0x%x, len=%d is_tx=%d\n",
+                packet_sz, mode, dma_addr, len, ux500_channel->is_tx);
 
         ux500_channel->cur_len = len;
 
@@ -133,15 +137,13 @@ static bool ux500_configure_channel(struct dma_channel *channel,
                                         DMA_SLAVE_BUSWIDTH_4_BYTES;
 
         slave_conf.direction = direction;
-        if (direction == DMA_FROM_DEVICE) {
-                slave_conf.src_addr = usb_fifo_addr;
-                slave_conf.src_addr_width = addr_width;
-                slave_conf.src_maxburst = 16;
-        } else {
-                slave_conf.dst_addr = usb_fifo_addr;
-                slave_conf.dst_addr_width = addr_width;
-                slave_conf.dst_maxburst = 16;
-        }
+        slave_conf.src_addr = usb_fifo_addr;
+        slave_conf.src_addr_width = addr_width;
+        slave_conf.src_maxburst = 16;
+        slave_conf.dst_addr = usb_fifo_addr;
+        slave_conf.dst_addr_width = addr_width;
+        slave_conf.dst_maxburst = 16;
+
         dma_chan->device->device_control(dma_chan, DMA_SLAVE_CONFIG,
                                              (unsigned long) &slave_conf);
 
@@ -166,6 +168,7 @@ static struct dma_channel *ux500_dma_channel_allocate(struct dma_controller *c,
         struct ux500_dma_controller *controller = container_of(c,
                         struct ux500_dma_controller, controller);
         struct ux500_dma_channel *ux500_channel = NULL;
+        struct musb *musb = controller->private_data;
         u8 ch_num = hw_ep->epnum - 1;
         u32 max_ch;
 
@@ -192,7 +195,7 @@ static struct dma_channel *ux500_dma_channel_allocate(struct dma_controller *c,
         ux500_channel->hw_ep = hw_ep;
         ux500_channel->is_allocated = 1;
 
-        DBG(7, "hw_ep=%d, is_tx=0x%x, channel=%d\n",
+        dev_dbg(musb->controller, "hw_ep=%d, is_tx=0x%x, channel=%d\n",
                 hw_ep->epnum, is_tx, ch_num);
 
         return &(ux500_channel->channel);
@@ -201,8 +204,9 @@ static struct dma_channel *ux500_dma_channel_allocate(struct dma_controller *c,
 static void ux500_dma_channel_release(struct dma_channel *channel)
 {
         struct ux500_dma_channel *ux500_channel = channel->private_data;
+        struct musb *musb = ux500_channel->controller->private_data;
 
-        DBG(7, "channel=%d\n", ux500_channel->ch_num);
+        dev_dbg(musb->controller, "channel=%d\n", ux500_channel->ch_num);
 
         if (ux500_channel->is_allocated) {
                 ux500_channel->is_allocated = 0;
@@ -252,8 +256,8 @@ static int ux500_dma_channel_abort(struct dma_channel *channel)
         void __iomem *epio = musb->endpoints[ux500_channel->hw_ep->epnum].regs;
         u16 csr;
 
-        DBG(4, "channel=%d, is_tx=%d\n", ux500_channel->ch_num,
-                                                ux500_channel->is_tx);
+        dev_dbg(musb->controller, "channel=%d, is_tx=%d\n",
+                ux500_channel->ch_num, ux500_channel->is_tx);
 
         if (channel->status == MUSB_DMA_STATUS_BUSY) {
                 if (ux500_channel->is_tx) {
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 78a2cf9551cc..5fc13e717911 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -101,6 +101,7 @@ static int   ftdi_jtag_probe(struct usb_serial *serial);
 static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
 static int   ftdi_stmclite_probe(struct usb_serial *serial);
+static int   ftdi_8u2232c_probe(struct usb_serial *serial);
 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
 
@@ -128,6 +129,10 @@ static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
         .probe  = ftdi_stmclite_probe,
 };
 
+static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
+        .probe  = ftdi_8u2232c_probe,
+};
+
 /*
  * The 8U232AM has the same API as the sio except for:
  * - it can support MUCH higher baudrates; up to:
@@ -178,7 +183,8 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
-        { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
+                .driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
         { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
@@ -1737,6 +1743,18 @@ static int ftdi_jtag_probe(struct usb_serial *serial)
         return 0;
 }
 
+static int ftdi_8u2232c_probe(struct usb_serial *serial)
+{
+        struct usb_device *udev = serial->dev;
+
+        dbg("%s", __func__);
+
+        if (strcmp(udev->manufacturer, "CALAO Systems") == 0)
+                return ftdi_jtag_probe(serial);
+
+        return 0;
+}
+
 /*
  * First and second port on STMCLiteadaptors is reserved for JTAG interface
  * and the forth port for pio
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 815656198914..fe22e90bc879 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -148,6 +148,8 @@ static void option_instat_callback(struct urb *urb);
 #define HUAWEI_PRODUCT_K4505                    0x1464
 #define HUAWEI_PRODUCT_K3765                    0x1465
 #define HUAWEI_PRODUCT_E14AC                    0x14AC
+#define HUAWEI_PRODUCT_K3806                    0x14AE
+#define HUAWEI_PRODUCT_K4605                    0x14C6
 #define HUAWEI_PRODUCT_K3770                    0x14C9
 #define HUAWEI_PRODUCT_K3771                    0x14CA
 #define HUAWEI_PRODUCT_K4510                    0x14CB
@@ -416,6 +418,56 @@ static void option_instat_callback(struct urb *urb);
 #define SAMSUNG_VENDOR_ID                       0x04e8
 #define SAMSUNG_PRODUCT_GT_B3730                0x6889
 
+/* YUGA products  www.yuga-info.com*/
+#define YUGA_VENDOR_ID                          0x257A
+#define YUGA_PRODUCT_CEM600                     0x1601
+#define YUGA_PRODUCT_CEM610                     0x1602
+#define YUGA_PRODUCT_CEM500                     0x1603
+#define YUGA_PRODUCT_CEM510                     0x1604
+#define YUGA_PRODUCT_CEM800                     0x1605
+#define YUGA_PRODUCT_CEM900                     0x1606
+
+#define YUGA_PRODUCT_CEU818                     0x1607
+#define YUGA_PRODUCT_CEU816                     0x1608
+#define YUGA_PRODUCT_CEU828                     0x1609
+#define YUGA_PRODUCT_CEU826                     0x160A
+#define YUGA_PRODUCT_CEU518                     0x160B
+#define YUGA_PRODUCT_CEU516                     0x160C
+#define YUGA_PRODUCT_CEU528                     0x160D
+#define YUGA_PRODUCT_CEU526                     0x160F
+
+#define YUGA_PRODUCT_CWM600                     0x2601
+#define YUGA_PRODUCT_CWM610                     0x2602
+#define YUGA_PRODUCT_CWM500                     0x2603
+#define YUGA_PRODUCT_CWM510                     0x2604
+#define YUGA_PRODUCT_CWM800                     0x2605
+#define YUGA_PRODUCT_CWM900                     0x2606
+
+#define YUGA_PRODUCT_CWU718                     0x2607
+#define YUGA_PRODUCT_CWU716                     0x2608
+#define YUGA_PRODUCT_CWU728                     0x2609
+#define YUGA_PRODUCT_CWU726                     0x260A
+#define YUGA_PRODUCT_CWU518                     0x260B
+#define YUGA_PRODUCT_CWU516                     0x260C
+#define YUGA_PRODUCT_CWU528                     0x260D
+#define YUGA_PRODUCT_CWU526                     0x260F
+
+#define YUGA_PRODUCT_CLM600                     0x2601
+#define YUGA_PRODUCT_CLM610                     0x2602
+#define YUGA_PRODUCT_CLM500                     0x2603
+#define YUGA_PRODUCT_CLM510                     0x2604
+#define YUGA_PRODUCT_CLM800                     0x2605
+#define YUGA_PRODUCT_CLM900                     0x2606
+
+#define YUGA_PRODUCT_CLU718                     0x2607
+#define YUGA_PRODUCT_CLU716                     0x2608
+#define YUGA_PRODUCT_CLU728                     0x2609
+#define YUGA_PRODUCT_CLU726                     0x260A
+#define YUGA_PRODUCT_CLU518                     0x260B
+#define YUGA_PRODUCT_CLU516                     0x260C
+#define YUGA_PRODUCT_CLU528                     0x260D
+#define YUGA_PRODUCT_CLU526                     0x260F
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
                 OPTION_BLACKLIST_NONE = 0,
@@ -551,6 +603,8 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_ETS1220, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E14AC, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3806, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3770, 0xff, 0x02, 0x31) },
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3770, 0xff, 0x02, 0x32) },
         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3771, 0xff, 0x02, 0x31) },
@@ -1005,6 +1059,48 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
         { USB_DEVICE(ONDA_VENDOR_ID, ONDA_MT825UP) }, /* ONDA MT825UP modem */
         { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM610) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM500) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM510) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM800) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM900) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU818) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU816) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU828) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU826) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU518) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU516) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU528) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU526) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM600) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM610) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM500) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM510) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM800) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM900) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU718) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU716) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU728) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU726) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU518) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU516) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU528) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU526) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM600) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM610) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM500) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM510) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM800) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM900) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU718) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU716) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU728) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU726) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU518) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU516) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU528) },
+        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU526) },
         { } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
@@ -1134,11 +1230,13 @@ static int option_probe(struct usb_serial *serial,
                 serial->interface->cur_altsetting->desc.bInterfaceClass != 0xff)
                 return -ENODEV;
 
-        /* Don't bind network interfaces on Huawei K3765 & K4505 */
+        /* Don't bind network interfaces on Huawei K3765, K4505 & K4605 */
         if (serial->dev->descriptor.idVendor == HUAWEI_VENDOR_ID &&
                 (serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K3765 ||
-                        serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4505) &&
-                serial->interface->cur_altsetting->desc.bInterfaceNumber == 1)
+                        serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4505 ||
+                        serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4605) &&
+                (serial->interface->cur_altsetting->desc.bInterfaceNumber == 1 ||
+                        serial->interface->cur_altsetting->desc.bInterfaceNumber == 2))
                 return -ENODEV;
 
         /* Don't bind network interface on Samsung GT-B3730, it is handled by a separate module */
diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c
index 05a8832bb3eb..d06886a2bfb5 100644
--- a/drivers/video/backlight/adp8870_bl.c
+++ b/drivers/video/backlight/adp8870_bl.c
@@ -1009,4 +1009,4 @@ module_exit(adp8870_exit);
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
 MODULE_DESCRIPTION("ADP8870 Backlight driver");
-MODULE_ALIAS("platform:adp8870-backlight");
+MODULE_ALIAS("i2c:adp8870-backlight");
diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c
index 9f1e389d51d2..b0582917f0c8 100644
--- a/drivers/video/backlight/ep93xx_bl.c
+++ b/drivers/video/backlight/ep93xx_bl.c
@@ -11,7 +11,7 @@
  * BRIGHT, on the Cirrus EP9307, EP9312, and EP9315 processors.
  */
 
-
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/fb.h>
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index b8f38ec6eb18..8b5b2a4124c7 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -28,6 +28,8 @@ struct pwm_bl_data {
         unsigned int            lth_brightness;
         int                     (*notify)(struct device *,
                                           int brightness);
+        void                    (*notify_after)(struct device *,
+                                        int brightness);
         int                     (*check_fb)(struct device *, struct fb_info *);
 };
 
@@ -55,6 +57,10 @@ static int pwm_backlight_update_status(struct backlight_device *bl)
                 pwm_config(pb->pwm, brightness, pb->period);
                 pwm_enable(pb->pwm);
         }
+
+        if (pb->notify_after)
+                pb->notify_after(pb->dev, brightness);
+
         return 0;
 }
 
@@ -105,6 +111,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
 
         pb->period = data->pwm_period_ns;
         pb->notify = data->notify;
+        pb->notify_after = data->notify_after;
         pb->check_fb = data->check_fb;
         pb->lth_brightness = data->lth_brightness *
                 (data->pwm_period_ns / data->max_brightness);
@@ -172,6 +179,8 @@ static int pwm_backlight_suspend(struct platform_device *pdev,
                 pb->notify(pb->dev, 0);
         pwm_config(pb->pwm, 0, pb->period);
         pwm_disable(pb->pwm);
+        if (pb->notify_after)
+                pb->notify_after(pb->dev, 0);
         return 0;
 }
 
diff --git a/drivers/w1/masters/ds2490.c b/drivers/w1/masters/ds2490.c
index 02bf7bf7160b..b5abaae38e97 100644
--- a/drivers/w1/masters/ds2490.c
+++ b/drivers/w1/masters/ds2490.c
@@ -1,7 +1,7 @@
 /*
  *      dscore.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -1024,5 +1024,5 @@ module_init(ds_init);
 module_exit(ds_fini);
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
+MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("DS2490 USB <-> W1 bus master driver (DS9490*)");
diff --git a/drivers/w1/masters/matrox_w1.c b/drivers/w1/masters/matrox_w1.c
index 334d1ccf9c92..f667c26b2195 100644
--- a/drivers/w1/masters/matrox_w1.c
+++ b/drivers/w1/masters/matrox_w1.c
@@ -1,7 +1,7 @@
 /*
  *      matrox_w1.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -39,7 +39,7 @@
 #include "../w1_log.h"
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
+MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("Driver for transport(Dallas 1-wire prtocol) over VGA DDC(matrox gpio).");
 
 static struct pci_device_id matrox_w1_tbl[] = {
diff --git a/drivers/w1/slaves/w1_ds2408.c b/drivers/w1/slaves/w1_ds2408.c
index c37781899d90..7c8cdb8aed26 100644
--- a/drivers/w1/slaves/w1_ds2408.c
+++ b/drivers/w1/slaves/w1_ds2408.c
@@ -373,7 +373,7 @@ static int w1_f29_add_slave(struct w1_slave *sl)
 static void w1_f29_remove_slave(struct w1_slave *sl)
 {
         int i;
-        for (i = NB_SYSFS_BIN_FILES; i <= 0; --i)
+        for (i = NB_SYSFS_BIN_FILES - 1; i >= 0; --i)
                 sysfs_remove_bin_file(&sl->dev.kobj,
                         &(w1_f29_sysfs_bin_files[i]));
 }
diff --git a/drivers/w1/slaves/w1_smem.c b/drivers/w1/slaves/w1_smem.c
index cc8c02e92593..84655625c870 100644
--- a/drivers/w1/slaves/w1_smem.c
+++ b/drivers/w1/slaves/w1_smem.c
@@ -1,7 +1,7 @@
 /*
  *      w1_smem.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -32,7 +32,7 @@
 #include "../w1_family.h"
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
+MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family.");
 
 static struct w1_family w1_smem_family_01 = {
diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c
index 402928b135d1..a1ef9b5b38cf 100644
--- a/drivers/w1/slaves/w1_therm.c
+++ b/drivers/w1/slaves/w1_therm.c
@@ -1,7 +1,7 @@
 /*
  *      w1_therm.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -34,7 +34,7 @@
 #include "../w1_family.h"
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
+MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, temperature family.");
 
 /* Allow the strong pullup to be disabled, but default to enabled.
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 6c136c19e982..c37497823851 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -1,7 +1,7 @@
 /*
  *      w1.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -42,7 +42,7 @@
 #include "w1_netlink.h"
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
+MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol.");
 
 static int w1_timeout = 10;
diff --git a/drivers/w1/w1.h b/drivers/w1/w1.h
index 1ce23fc6186c..4d012ca3f32c 100644
--- a/drivers/w1/w1.h
+++ b/drivers/w1/w1.h
@@ -1,7 +1,7 @@
 /*
  *      w1.h
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c
index 4a099041f28a..63359797c8b1 100644
--- a/drivers/w1/w1_family.c
+++ b/drivers/w1/w1_family.c
@@ -1,7 +1,7 @@
 /*
  *      w1_family.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index 98a1ac0f4693..490cda2281bc 100644
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -1,7 +1,7 @@
 /*
  *      w1_family.h
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
index b50be3f1073d..d220bce2cee4 100644
--- a/drivers/w1/w1_int.c
+++ b/drivers/w1/w1_int.c
@@ -1,7 +1,7 @@
 /*
  *      w1_int.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_int.h b/drivers/w1/w1_int.h
index 4274082d2262..2ad7d4414bed 100644
--- a/drivers/w1/w1_int.h
+++ b/drivers/w1/w1_int.h
@@ -1,7 +1,7 @@
 /*
  *      w1_int.h
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_io.c b/drivers/w1/w1_io.c
index 8e8b64cfafb6..765b37b62a4f 100644
--- a/drivers/w1/w1_io.c
+++ b/drivers/w1/w1_io.c
@@ -1,7 +1,7 @@
 /*
  *      w1_io.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_log.h b/drivers/w1/w1_log.h
index e6ab7cf08f88..9c7bd62e6bdc 100644
--- a/drivers/w1/w1_log.h
+++ b/drivers/w1/w1_log.h
@@ -1,7 +1,7 @@
 /*
  *      w1_log.h
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index 55aabd927c60..40788c925d1c 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -1,7 +1,7 @@
 /*
  * w1_netlink.c
  *
- * Copyright (c) 2003 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2003 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_netlink.h b/drivers/w1/w1_netlink.h
index 27e950f935b1..b0922dc29658 100644
--- a/drivers/w1/w1_netlink.h
+++ b/drivers/w1/w1_netlink.h
@@ -1,7 +1,7 @@
 /*
  * w1_netlink.h
  *
- * Copyright (c) 2003 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2003 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 80d6148f60ac..f5be06a2462f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6735,9 +6735,9 @@ int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr)
         struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices;
         struct btrfs_device *device;
         u64 min_free;
+        u64 dev_min = 1;
+        u64 dev_nr = 0;
         int index;
-        int dev_nr = 0;
-        int dev_min = 1;
         int full = 0;
         int ret = 0;
 
@@ -6796,14 +6796,16 @@ int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr)
         index = get_block_group_index(block_group);
         if (index == 0) {
                 dev_min = 4;
-                min_free /= 2;
+                /* Divide by 2 */
+                min_free >>= 1;
         } else if (index == 1) {
                 dev_min = 2;
         } else if (index == 2) {
-                min_free *= 2;
+                /* Multiply by 2 */
+                min_free <<= 1;
         } else if (index == 3) {
                 dev_min = fs_devices->rw_devices;
-                min_free /= dev_min;
+                do_div(min_free, dev_min);
         }
 
         mutex_lock(&root->fs_info->chunk_mutex);
diff --git a/fs/compat.c b/fs/compat.c
index 0b48d018e38a..58b1da459893 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1675,11 +1675,6 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
 }
 #endif /* HAVE_SET_RESTORE_SIGMASK */
 
-long asmlinkage compat_sys_nfsservctl(int cmd, void *notused, void *notused2)
-{
-        return sys_ni_syscall();
-}
-
 #ifdef CONFIG_EPOLL
 
 #ifdef HAVE_SET_RESTORE_SIGMASK
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index bb85757689b6..5802fa1dab18 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -289,10 +289,10 @@ static inline int ext4_should_order_data(struct inode *inode)
 
 static inline int ext4_should_writeback_data(struct inode *inode)
 {
-        if (!S_ISREG(inode->i_mode))
-                return 0;
         if (EXT4_JOURNAL(inode) == NULL)
                 return 1;
+        if (!S_ISREG(inode->i_mode))
+                return 0;
         if (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA))
                 return 0;
         if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
index b8602cde5b5a..0962642119c0 100644
--- a/fs/ext4/indirect.c
+++ b/fs/ext4/indirect.c
@@ -800,12 +800,17 @@ ssize_t ext4_ind_direct_IO(int rw, struct kiocb *iocb,
         }
 
 retry:
-        if (rw == READ && ext4_should_dioread_nolock(inode))
+        if (rw == READ && ext4_should_dioread_nolock(inode)) {
+                if (unlikely(!list_empty(&ei->i_completed_io_list))) {
+                        mutex_lock(&inode->i_mutex);
+                        ext4_flush_completed_IO(inode);
+                        mutex_unlock(&inode->i_mutex);
+                }
                 ret = __blockdev_direct_IO(rw, iocb, inode,
                                  inode->i_sb->s_bdev, iov,
                                  offset, nr_segs,
                                  ext4_get_block, NULL, NULL, 0);
-        else {
+        } else {
                 ret = blockdev_direct_IO(rw, iocb, inode, iov,
                                  offset, nr_segs, ext4_get_block);
 
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index d47264cafee0..c4da98a959ae 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -120,6 +120,12 @@ void ext4_evict_inode(struct inode *inode)
         int err;
 
         trace_ext4_evict_inode(inode);
+
+        mutex_lock(&inode->i_mutex);
+        ext4_flush_completed_IO(inode);
+        mutex_unlock(&inode->i_mutex);
+        ext4_ioend_wait(inode);
+
         if (inode->i_nlink) {
                 /*
                  * When journalling data dirty buffers are tracked only in the
@@ -983,6 +989,8 @@ static int ext4_journalled_write_end(struct file *file,
         from = pos & (PAGE_CACHE_SIZE - 1);
         to = from + len;
 
+        BUG_ON(!ext4_handle_valid(handle));
+
         if (copied < len) {
                 if (!PageUptodate(page))
                         copied = 0;
@@ -1283,7 +1291,12 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd,
                         else if (test_opt(inode->i_sb, MBLK_IO_SUBMIT))
                                 err = ext4_bio_write_page(&io_submit, page,
                                                           len, mpd->wbc);
-                        else
+                        else if (buffer_uninit(page_bufs)) {
+                                ext4_set_bh_endio(page_bufs, inode);
+                                err = block_write_full_page_endio(page,
+                                        noalloc_get_block_write,
+                                        mpd->wbc, ext4_end_io_buffer_write);
+                        } else
                                 err = block_write_full_page(page,
                                         noalloc_get_block_write, mpd->wbc);
 
@@ -1699,6 +1712,8 @@ static int __ext4_journalled_writepage(struct page *page,
                 goto out;
         }
 
+        BUG_ON(!ext4_handle_valid(handle));
+
         ret = walk_page_buffers(handle, page_bufs, 0, len, NULL,
                                 do_journal_get_write_access);
 
@@ -2668,8 +2683,15 @@ static void ext4_end_io_buffer_write(struct buffer_head *bh, int uptodate)
                 goto out;
         }
 
-        io_end->flag = EXT4_IO_END_UNWRITTEN;
+        /*
+         * It may be over-defensive here to check EXT4_IO_END_UNWRITTEN now,
+         * but being more careful is always safe for the future change.
+         */
         inode = io_end->inode;
+        if (!(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
+                io_end->flag |= EXT4_IO_END_UNWRITTEN;
+                atomic_inc(&EXT4_I(inode)->i_aiodio_unwritten);
+        }
 
         /* Add the io_end to per-inode completed io list*/
         spin_lock_irqsave(&EXT4_I(inode)->i_completed_io_lock, flags);
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 430c401d0895..78839af7ce29 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -334,8 +334,10 @@ submit_and_retry:
         if ((io_end->num_io_pages >= MAX_IO_PAGES) &&
             (io_end->pages[io_end->num_io_pages-1] != io_page))
                 goto submit_and_retry;
-        if (buffer_uninit(bh))
-                io->io_end->flag |= EXT4_IO_END_UNWRITTEN;
+        if (buffer_uninit(bh) && !(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
+                io_end->flag |= EXT4_IO_END_UNWRITTEN;
+                atomic_inc(&EXT4_I(inode)->i_aiodio_unwritten);
+        }
         io->io_end->size += bh->b_size;
         io->io_next_block++;
         ret = bio_add_page(io->io_bio, bh->b_page, bh->b_size, bh_offset(bh));
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 4687fea0c00f..44d0c8db2239 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -919,7 +919,6 @@ static void ext4_i_callback(struct rcu_head *head)
 
 static void ext4_destroy_inode(struct inode *inode)
 {
-        ext4_ioend_wait(inode);
         if (!list_empty(&(EXT4_I(inode)->i_orphan))) {
                 ext4_msg(inode->i_sb, KERN_ERR,
                          "Inode %lu (%p): orphan list check failed!",
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 640fc229df10..168a80f7f12b 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1358,6 +1358,10 @@ static int fuse_notify_inval_entry(struct fuse_conn *fc, unsigned int size,
         if (outarg.namelen > FUSE_NAME_MAX)
                 goto err;
 
+        err = -EINVAL;
+        if (size != sizeof(outarg) + outarg.namelen + 1)
+                goto err;
+
         name.name = buf;
         name.len = outarg.namelen;
         err = fuse_copy_one(cs, buf, outarg.namelen + 1);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index d480d9af46c9..594f07a81c28 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -14,6 +14,7 @@
 #include <linux/sched.h>
 #include <linux/module.h>
 #include <linux/compat.h>
+#include <linux/swap.h>
 
 static const struct file_operations fuse_direct_io_file_operations;
 
@@ -245,6 +246,12 @@ void fuse_release_common(struct file *file, int opcode)
         req = ff->reserved_req;
         fuse_prepare_release(ff, file->f_flags, opcode);
 
+        if (ff->flock) {
+                struct fuse_release_in *inarg = &req->misc.release.in;
+                inarg->release_flags |= FUSE_RELEASE_FLOCK_UNLOCK;
+                inarg->lock_owner = fuse_lock_owner_id(ff->fc,
+                                                       (fl_owner_t) file);
+        }
         /* Hold vfsmount and dentry until release is finished */
         path_get(&file->f_path);
         req->misc.release.path = file->f_path;
@@ -755,18 +762,6 @@ static size_t fuse_send_write(struct fuse_req *req, struct file *file,
         return req->misc.write.out.size;
 }
 
-static int fuse_write_begin(struct file *file, struct address_space *mapping,
-                        loff_t pos, unsigned len, unsigned flags,
-                        struct page **pagep, void **fsdata)
-{
-        pgoff_t index = pos >> PAGE_CACHE_SHIFT;
-
-        *pagep = grab_cache_page_write_begin(mapping, index, flags);
-        if (!*pagep)
-                return -ENOMEM;
-        return 0;
-}
-
 void fuse_write_update_size(struct inode *inode, loff_t pos)
 {
         struct fuse_conn *fc = get_fuse_conn(inode);
@@ -779,62 +774,6 @@ void fuse_write_update_size(struct inode *inode, loff_t pos)
         spin_unlock(&fc->lock);
 }
 
-static int fuse_buffered_write(struct file *file, struct inode *inode,
-                               loff_t pos, unsigned count, struct page *page)
-{
-        int err;
-        size_t nres;
-        struct fuse_conn *fc = get_fuse_conn(inode);
-        unsigned offset = pos & (PAGE_CACHE_SIZE - 1);
-        struct fuse_req *req;
-
-        if (is_bad_inode(inode))
-                return -EIO;
-
-        /*
-         * Make sure writepages on the same page are not mixed up with
-         * plain writes.
-         */
-        fuse_wait_on_page_writeback(inode, page->index);
-
-        req = fuse_get_req(fc);
-        if (IS_ERR(req))
-                return PTR_ERR(req);
-
-        req->in.argpages = 1;
-        req->num_pages = 1;
-        req->pages[0] = page;
-        req->page_offset = offset;
-        nres = fuse_send_write(req, file, pos, count, NULL);
-        err = req->out.h.error;
-        fuse_put_request(fc, req);
-        if (!err && !nres)
-                err = -EIO;
-        if (!err) {
-                pos += nres;
-                fuse_write_update_size(inode, pos);
-                if (count == PAGE_CACHE_SIZE)
-                        SetPageUptodate(page);
-        }
-        fuse_invalidate_attr(inode);
-        return err ? err : nres;
-}
-
-static int fuse_write_end(struct file *file, struct address_space *mapping,
-                        loff_t pos, unsigned len, unsigned copied,
-                        struct page *page, void *fsdata)
-{
-        struct inode *inode = mapping->host;
-        int res = 0;
-
-        if (copied)
-                res = fuse_buffered_write(file, inode, pos, copied, page);
-
-        unlock_page(page);
-        page_cache_release(page);
-        return res;
-}
-
 static size_t fuse_send_write_pages(struct fuse_req *req, struct file *file,
                                     struct inode *inode, loff_t pos,
                                     size_t count)
@@ -908,6 +847,8 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req,
                 pagefault_enable();
                 flush_dcache_page(page);
 
+                mark_page_accessed(page);
+
                 if (!tmp) {
                         unlock_page(page);
                         page_cache_release(page);
@@ -1559,11 +1500,14 @@ static int fuse_file_flock(struct file *file, int cmd, struct file_lock *fl)
         struct fuse_conn *fc = get_fuse_conn(inode);
         int err;
 
-        if (fc->no_lock) {
+        if (fc->no_flock) {
                 err = flock_lock_file_wait(file, fl);
         } else {
+                struct fuse_file *ff = file->private_data;
+
                 /* emulate flock with POSIX locks */
                 fl->fl_owner = (fl_owner_t) file;
+                ff->flock = true;
                 err = fuse_setlk(file, fl, 1);
         }
 
@@ -2201,8 +2145,6 @@ static const struct address_space_operations fuse_file_aops  = {
         .readpage       = fuse_readpage,
         .writepage      = fuse_writepage,
         .launder_page   = fuse_launder_page,
-        .write_begin    = fuse_write_begin,
-        .write_end      = fuse_write_end,
         .readpages      = fuse_readpages,
         .set_page_dirty = __set_page_dirty_nobuffers,
         .bmap           = fuse_bmap,
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index c6aa2d4b8517..cf6db0a93219 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -135,6 +135,9 @@ struct fuse_file {
 
         /** Wait queue head for poll */
         wait_queue_head_t poll_wait;
+
+        /** Has flock been performed on this file? */
+        bool flock:1;
 };
 
 /** One input argument of a request */
@@ -448,7 +451,7 @@ struct fuse_conn {
         /** Is removexattr not implemented by fs? */
         unsigned no_removexattr:1;
 
-        /** Are file locking primitives not implemented by fs? */
+        /** Are posix file locking primitives not implemented by fs? */
         unsigned no_lock:1;
 
         /** Is access not implemented by fs? */
@@ -472,6 +475,9 @@ struct fuse_conn {
         /** Don't apply umask to creation modes */
         unsigned dont_mask:1;
 
+        /** Are BSD file locking primitives not implemented by fs? */
+        unsigned no_flock:1;
+
         /** The number of requests waiting for completion */
         atomic_t num_waiting;
 
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 38f84cd48b67..12b502929da9 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -71,7 +71,7 @@ struct fuse_mount_data {
         unsigned blksize;
 };
 
-struct fuse_forget_link *fuse_alloc_forget()
+struct fuse_forget_link *fuse_alloc_forget(void)
 {
         return kzalloc(sizeof(struct fuse_forget_link), GFP_KERNEL);
 }
@@ -809,6 +809,10 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
                                 fc->async_read = 1;
                         if (!(arg->flags & FUSE_POSIX_LOCKS))
                                 fc->no_lock = 1;
+                        if (arg->minor >= 17) {
+                                if (!(arg->flags & FUSE_FLOCK_LOCKS))
+                                        fc->no_flock = 1;
+                        }
                         if (arg->flags & FUSE_ATOMIC_O_TRUNC)
                                 fc->atomic_o_trunc = 1;
                         if (arg->minor >= 9) {
@@ -823,6 +827,7 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
                 } else {
                         ra_pages = fc->max_read / PAGE_CACHE_SIZE;
                         fc->no_lock = 1;
+                        fc->no_flock = 1;
                 }
 
                 fc->bdi.ra_pages = min(fc->bdi.ra_pages, ra_pages);
@@ -843,7 +848,8 @@ static void fuse_send_init(struct fuse_conn *fc, struct fuse_req *req)
         arg->minor = FUSE_KERNEL_MINOR_VERSION;
         arg->max_readahead = fc->bdi.ra_pages * PAGE_CACHE_SIZE;
         arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC |
-                FUSE_EXPORT_SUPPORT | FUSE_BIG_WRITES | FUSE_DONT_MASK;
+                FUSE_EXPORT_SUPPORT | FUSE_BIG_WRITES | FUSE_DONT_MASK |
+                FUSE_FLOCK_LOCKS;
         req->in.h.opcode = FUSE_INIT;
         req->in.numargs = 1;
         req->in.args[0].size = sizeof(*arg);
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 87b6e0421c12..ec889538e5a6 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -491,6 +491,7 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid,
                         inode->i_op = &page_symlink_inode_operations;
                         break;
                 }
+                lockdep_annotate_inode_mutex_key(inode);
         }
         return inode;
 }
diff --git a/fs/inode.c b/fs/inode.c
index 73920d555c88..ec7924696a13 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -848,16 +848,9 @@ struct inode *new_inode(struct super_block *sb)
 }
 EXPORT_SYMBOL(new_inode);
 
-/**
- * unlock_new_inode - clear the I_NEW state and wake up any waiters
- * @inode:      new inode to unlock
- *
- * Called when the inode is fully initialised to clear the new state of the
- * inode and wake up anyone waiting for the inode to finish initialisation.
- */
-void unlock_new_inode(struct inode *inode)
-{
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
+void lockdep_annotate_inode_mutex_key(struct inode *inode)
+{
         if (S_ISDIR(inode->i_mode)) {
                 struct file_system_type *type = inode->i_sb->s_type;
 
@@ -873,7 +866,20 @@ void unlock_new_inode(struct inode *inode)
                                           &type->i_mutex_dir_key);
                 }
         }
+}
+EXPORT_SYMBOL(lockdep_annotate_inode_mutex_key);
 #endif
+
+/**
+ * unlock_new_inode - clear the I_NEW state and wake up any waiters
+ * @inode:      new inode to unlock
+ *
+ * Called when the inode is fully initialised to clear the new state of the
+ * inode and wake up anyone waiting for the inode to finish initialisation.
+ */
+void unlock_new_inode(struct inode *inode)
+{
+        lockdep_annotate_inode_mutex_key(inode);
         spin_lock(&inode->i_lock);
         WARN_ON(!(inode->i_state & I_NEW));
         inode->i_state &= ~I_NEW;
diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index 75bb316529dd..427a4e82a588 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -16,44 +16,53 @@
 # Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #
 
-ccflags-y := -I$(src) -I$(src)/linux-2.6
-ccflags-$(CONFIG_XFS_DEBUG) += -g
+ccflags-y += -I$(src)                   # needed for trace events
 
-XFS_LINUX := linux-2.6
+ccflags-$(CONFIG_XFS_DEBUG) += -g
 
 obj-$(CONFIG_XFS_FS)            += xfs.o
 
-xfs-y                           += linux-2.6/xfs_trace.o
-
-xfs-$(CONFIG_XFS_QUOTA)         += $(addprefix quota/, \
-                                   xfs_dquot.o \
-                                   xfs_dquot_item.o \
-                                   xfs_trans_dquot.o \
-                                   xfs_qm_syscalls.o \
-                                   xfs_qm_bhv.o \
-                                   xfs_qm.o)
-xfs-$(CONFIG_XFS_QUOTA)         += linux-2.6/xfs_quotaops.o
-
-ifeq ($(CONFIG_XFS_QUOTA),y)
-xfs-$(CONFIG_PROC_FS)           += quota/xfs_qm_stats.o
-endif
-
-xfs-$(CONFIG_XFS_RT)            += xfs_rtalloc.o
-xfs-$(CONFIG_XFS_POSIX_ACL)     += $(XFS_LINUX)/xfs_acl.o
-xfs-$(CONFIG_PROC_FS)           += $(XFS_LINUX)/xfs_stats.o
-xfs-$(CONFIG_SYSCTL)            += $(XFS_LINUX)/xfs_sysctl.o
-xfs-$(CONFIG_COMPAT)            += $(XFS_LINUX)/xfs_ioctl32.o
+# this one should be compiled first, as the tracing macros can easily blow up
+xfs-y                           += xfs_trace.o
 
+# highlevel code
+xfs-y                           += xfs_aops.o \
+                                   xfs_bit.o \
+                                   xfs_buf.o \
+                                   xfs_dfrag.o \
+                                   xfs_discard.o \
+                                   xfs_error.o \
+                                   xfs_export.o \
+                                   xfs_file.o \
+                                   xfs_filestream.o \
+                                   xfs_fsops.o \
+                                   xfs_fs_subr.o \
+                                   xfs_globals.o \
+                                   xfs_iget.o \
+                                   xfs_ioctl.o \
+                                   xfs_iomap.o \
+                                   xfs_iops.o \
+                                   xfs_itable.o \
+                                   xfs_message.o \
+                                   xfs_mru_cache.o \
+                                   xfs_super.o \
+                                   xfs_sync.o \
+                                   xfs_xattr.o \
+                                   xfs_rename.o \
+                                   xfs_rw.o \
+                                   xfs_utils.o \
+                                   xfs_vnodeops.o \
+                                   kmem.o \
+                                   uuid.o
 
+# code shared with libxfs
 xfs-y                           += xfs_alloc.o \
                                    xfs_alloc_btree.o \
                                    xfs_attr.o \
                                    xfs_attr_leaf.o \
-                                   xfs_bit.o \
                                    xfs_bmap.o \
                                    xfs_bmap_btree.o \
                                    xfs_btree.o \
-                                   xfs_buf_item.o \
                                    xfs_da_btree.o \
                                    xfs_dir2.o \
                                    xfs_dir2_block.o \
@@ -61,49 +70,37 @@ xfs-y				+= xfs_alloc.o \
                                    xfs_dir2_leaf.o \
                                    xfs_dir2_node.o \
                                    xfs_dir2_sf.o \
-                                   xfs_error.o \
-                                   xfs_extfree_item.o \
-                                   xfs_filestream.o \
-                                   xfs_fsops.o \
                                    xfs_ialloc.o \
                                    xfs_ialloc_btree.o \
-                                   xfs_iget.o \
                                    xfs_inode.o \
-                                   xfs_inode_item.o \
-                                   xfs_iomap.o \
-                                   xfs_itable.o \
-                                   xfs_dfrag.o \
-                                   xfs_log.o \
-                                   xfs_log_cil.o \
                                    xfs_log_recover.o \
                                    xfs_mount.o \
-                                   xfs_mru_cache.o \
-                                   xfs_rename.o \
-                                   xfs_trans.o \
+                                   xfs_trans.o
+
+# low-level transaction/log code
+xfs-y                           += xfs_log.o \
+                                   xfs_log_cil.o \
+                                   xfs_buf_item.o \
+                                   xfs_extfree_item.o \
+                                   xfs_inode_item.o \
                                    xfs_trans_ail.o \
                                    xfs_trans_buf.o \
                                    xfs_trans_extfree.o \
                                    xfs_trans_inode.o \
-                                   xfs_utils.o \
-                                   xfs_vnodeops.o \
-                                   xfs_rw.o
-
-# Objects in linux/
-xfs-y                           += $(addprefix $(XFS_LINUX)/, \
-                                   kmem.o \
-                                   xfs_aops.o \
-                                   xfs_buf.o \
-                                   xfs_discard.o \
-                                   xfs_export.o \
-                                   xfs_file.o \
-                                   xfs_fs_subr.o \
-                                   xfs_globals.o \
-                                   xfs_ioctl.o \
-                                   xfs_iops.o \
-                                   xfs_message.o \
-                                   xfs_super.o \
-                                   xfs_sync.o \
-                                   xfs_xattr.o)
 
-# Objects in support/
-xfs-y                           += support/uuid.o
+# optional features
+xfs-$(CONFIG_XFS_QUOTA)         += xfs_dquot.o \
+                                   xfs_dquot_item.o \
+                                   xfs_trans_dquot.o \
+                                   xfs_qm_syscalls.o \
+                                   xfs_qm_bhv.o \
+                                   xfs_qm.o \
+                                   xfs_quotaops.o
+ifeq ($(CONFIG_XFS_QUOTA),y)
+xfs-$(CONFIG_PROC_FS)           += xfs_qm_stats.o
+endif
+xfs-$(CONFIG_XFS_RT)            += xfs_rtalloc.o
+xfs-$(CONFIG_XFS_POSIX_ACL)     += xfs_acl.o
+xfs-$(CONFIG_PROC_FS)           += xfs_stats.o
+xfs-$(CONFIG_SYSCTL)            += xfs_sysctl.o
+xfs-$(CONFIG_COMPAT)            += xfs_ioctl32.o
diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/kmem.c
index a907de565db3..a907de565db3 100644
--- a/fs/xfs/linux-2.6/kmem.c
+++ b/fs/xfs/kmem.c
diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/kmem.h
index f7c8f7a9ea6d..f7c8f7a9ea6d 100644
--- a/fs/xfs/linux-2.6/kmem.h
+++ b/fs/xfs/kmem.h
diff --git a/fs/xfs/linux-2.6/mrlock.h b/fs/xfs/mrlock.h
index ff6a19873e5c..ff6a19873e5c 100644
--- a/fs/xfs/linux-2.6/mrlock.h
+++ b/fs/xfs/mrlock.h
diff --git a/fs/xfs/linux-2.6/time.h b/fs/xfs/time.h
index 387e695a184c..387e695a184c 100644
--- a/fs/xfs/linux-2.6/time.h
+++ b/fs/xfs/time.h
diff --git a/fs/xfs/support/uuid.c b/fs/xfs/uuid.c
index b83f76b6d410..b83f76b6d410 100644
--- a/fs/xfs/support/uuid.c
+++ b/fs/xfs/uuid.c
diff --git a/fs/xfs/support/uuid.h b/fs/xfs/uuid.h
index 4732d71262cc..4732d71262cc 100644
--- a/fs/xfs/support/uuid.h
+++ b/fs/xfs/uuid.h
diff --git a/fs/xfs/xfs.h b/fs/xfs/xfs.h
index 53ec3ea9a625..d8b11b7f94aa 100644
--- a/fs/xfs/xfs.h
+++ b/fs/xfs/xfs.h
@@ -24,5 +24,6 @@
 #define XFS_BUF_LOCK_TRACKING 1
 #endif
 
-#include <linux-2.6/xfs_linux.h>
+#include "xfs_linux.h"
+
 #endif  /* __XFS_H__ */
diff --git a/fs/xfs/linux-2.6/xfs_acl.c b/fs/xfs/xfs_acl.c
index b6c4b3795c4a..b6c4b3795c4a 100644
--- a/fs/xfs/linux-2.6/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/xfs_aops.c
index 63e971e2b837..63e971e2b837 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
diff --git a/fs/xfs/linux-2.6/xfs_aops.h b/fs/xfs/xfs_aops.h
index 71f721e1a71f..71f721e1a71f 100644
--- a/fs/xfs/linux-2.6/xfs_aops.h
+++ b/fs/xfs/xfs_aops.h
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/xfs_buf.c
index c57836dc778f..c57836dc778f 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/xfs_buf.h
index 620972b8094d..620972b8094d 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
diff --git a/fs/xfs/linux-2.6/xfs_discard.c b/fs/xfs/xfs_discard.c
index 244e797dae32..244e797dae32 100644
--- a/fs/xfs/linux-2.6/xfs_discard.c
+++ b/fs/xfs/xfs_discard.c
diff --git a/fs/xfs/linux-2.6/xfs_discard.h b/fs/xfs/xfs_discard.h
index 344879aea646..344879aea646 100644
--- a/fs/xfs/linux-2.6/xfs_discard.h
+++ b/fs/xfs/xfs_discard.h
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index db62959bed13..db62959bed13 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/xfs_dquot.h
index 34b7e945dbfa..34b7e945dbfa 100644
--- a/fs/xfs/quota/xfs_dquot.h
+++ b/fs/xfs/xfs_dquot.h
diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index 9e0e2fa3f2c8..9e0e2fa3f2c8 100644
--- a/fs/xfs/quota/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
diff --git a/fs/xfs/quota/xfs_dquot_item.h b/fs/xfs/xfs_dquot_item.h
index 5acae2ada70b..5acae2ada70b 100644
--- a/fs/xfs/quota/xfs_dquot_item.h
+++ b/fs/xfs/xfs_dquot_item.h
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/xfs_export.c
index 75e5d322e48f..75e5d322e48f 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/xfs_export.c
diff --git a/fs/xfs/linux-2.6/xfs_export.h b/fs/xfs/xfs_export.h
index 3272b6ae7a35..3272b6ae7a35 100644
--- a/fs/xfs/linux-2.6/xfs_export.h
+++ b/fs/xfs/xfs_export.h
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/xfs_file.c
index 7f7b42469ea7..7f7b42469ea7 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/xfs_file.c
diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.c b/fs/xfs/xfs_fs_subr.c
index ed88ed16811c..ed88ed16811c 100644
--- a/fs/xfs/linux-2.6/xfs_fs_subr.c
+++ b/fs/xfs/xfs_fs_subr.c
diff --git a/fs/xfs/linux-2.6/xfs_globals.c b/fs/xfs/xfs_globals.c
index 76e81cff70b9..76e81cff70b9 100644
--- a/fs/xfs/linux-2.6/xfs_globals.c
+++ b/fs/xfs/xfs_globals.c
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index f7ce7debe14c..f7ce7debe14c 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.h b/fs/xfs/xfs_ioctl.h
index d56173b34a2a..d56173b34a2a 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.h
+++ b/fs/xfs/xfs_ioctl.h
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index 54e623bfbb85..54e623bfbb85 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.h b/fs/xfs/xfs_ioctl32.h
index 80f4060e8970..80f4060e8970 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.h
+++ b/fs/xfs/xfs_ioctl32.h
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/xfs_iops.c
index b9c172b3fbbe..b9c172b3fbbe 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
diff --git a/fs/xfs/linux-2.6/xfs_iops.h b/fs/xfs/xfs_iops.h
index ef41c92ce66e..ef41c92ce66e 100644
--- a/fs/xfs/linux-2.6/xfs_iops.h
+++ b/fs/xfs/xfs_iops.h
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/xfs_linux.h
index d42f814e4d35..1e8a45e74c3e 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/xfs_linux.h
@@ -32,13 +32,12 @@
 # define XFS_BIG_INUMS  0
 #endif
 
-#include <xfs_types.h>
+#include "xfs_types.h"
 
-#include <kmem.h>
-#include <mrlock.h>
-#include <time.h>
-
-#include <support/uuid.h>
+#include "kmem.h"
+#include "mrlock.h"
+#include "time.h"
+#include "uuid.h"
 
 #include <linux/semaphore.h>
 #include <linux/mm.h>
@@ -78,14 +77,14 @@
 #include <asm/byteorder.h>
 #include <asm/unaligned.h>
 
-#include <xfs_vnode.h>
-#include <xfs_stats.h>
-#include <xfs_sysctl.h>
-#include <xfs_iops.h>
-#include <xfs_aops.h>
-#include <xfs_super.h>
-#include <xfs_buf.h>
-#include <xfs_message.h>
+#include "xfs_vnode.h"
+#include "xfs_stats.h"
+#include "xfs_sysctl.h"
+#include "xfs_iops.h"
+#include "xfs_aops.h"
+#include "xfs_super.h"
+#include "xfs_buf.h"
+#include "xfs_message.h"
 
 #ifdef __BIG_ENDIAN
 #define XFS_NATIVE_HOST 1
diff --git a/fs/xfs/linux-2.6/xfs_message.c b/fs/xfs/xfs_message.c
index bd672def95ac..bd672def95ac 100644
--- a/fs/xfs/linux-2.6/xfs_message.c
+++ b/fs/xfs/xfs_message.c
diff --git a/fs/xfs/linux-2.6/xfs_message.h b/fs/xfs/xfs_message.h
index 7fb7ea007672..7fb7ea007672 100644
--- a/fs/xfs/linux-2.6/xfs_message.h
+++ b/fs/xfs/xfs_message.h
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/xfs_qm.c
index 9a0aa76facdf..9a0aa76facdf 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/xfs_qm.h
index 43b9abe1052c..43b9abe1052c 100644
--- a/fs/xfs/quota/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
diff --git a/fs/xfs/quota/xfs_qm_bhv.c b/fs/xfs/xfs_qm_bhv.c
index a0a829addca9..a0a829addca9 100644
--- a/fs/xfs/quota/xfs_qm_bhv.c
+++ b/fs/xfs/xfs_qm_bhv.c
diff --git a/fs/xfs/quota/xfs_qm_stats.c b/fs/xfs/xfs_qm_stats.c
index 8671a0b32644..8671a0b32644 100644
--- a/fs/xfs/quota/xfs_qm_stats.c
+++ b/fs/xfs/xfs_qm_stats.c
diff --git a/fs/xfs/quota/xfs_qm_stats.h b/fs/xfs/xfs_qm_stats.h
index 5b964fc0dc09..5b964fc0dc09 100644
--- a/fs/xfs/quota/xfs_qm_stats.h
+++ b/fs/xfs/xfs_qm_stats.h
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 609246f42e6c..609246f42e6c 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
diff --git a/fs/xfs/quota/xfs_quota_priv.h b/fs/xfs/xfs_quota_priv.h
index 94a3d927d716..94a3d927d716 100644
--- a/fs/xfs/quota/xfs_quota_priv.h
+++ b/fs/xfs/xfs_quota_priv.h
diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index 29b9d642e93d..7e76f537abb7 100644
--- a/fs/xfs/linux-2.6/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -25,7 +25,7 @@
 #include "xfs_trans.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_inode.h"
-#include "quota/xfs_qm.h"
+#include "xfs_qm.h"
 #include <linux/quota.h>
 
 
diff --git a/fs/xfs/linux-2.6/xfs_stats.c b/fs/xfs/xfs_stats.c
index 76fdc5861932..76fdc5861932 100644
--- a/fs/xfs/linux-2.6/xfs_stats.c
+++ b/fs/xfs/xfs_stats.c
diff --git a/fs/xfs/linux-2.6/xfs_stats.h b/fs/xfs/xfs_stats.h
index 736854b1ca1a..736854b1ca1a 100644
--- a/fs/xfs/linux-2.6/xfs_stats.h
+++ b/fs/xfs/xfs_stats.h
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/xfs_super.c
index 9a72dda58bd0..9a72dda58bd0 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/xfs_super.c
diff --git a/fs/xfs/linux-2.6/xfs_super.h b/fs/xfs/xfs_super.h
index 50a3266c999e..50a3266c999e 100644
--- a/fs/xfs/linux-2.6/xfs_super.h
+++ b/fs/xfs/xfs_super.h
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/xfs_sync.c
index 4604f90f86a3..4604f90f86a3 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/xfs_sync.c
diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/xfs_sync.h
index 941202e7ac6e..941202e7ac6e 100644
--- a/fs/xfs/linux-2.6/xfs_sync.h
+++ b/fs/xfs/xfs_sync.h
diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/xfs_sysctl.c
index ee2d2adaa438..ee2d2adaa438 100644
--- a/fs/xfs/linux-2.6/xfs_sysctl.c
+++ b/fs/xfs/xfs_sysctl.c
diff --git a/fs/xfs/linux-2.6/xfs_sysctl.h b/fs/xfs/xfs_sysctl.h
index b9937d450f8e..b9937d450f8e 100644
--- a/fs/xfs/linux-2.6/xfs_sysctl.h
+++ b/fs/xfs/xfs_sysctl.h
diff --git a/fs/xfs/linux-2.6/xfs_trace.c b/fs/xfs/xfs_trace.c
index 88d25d4aa56e..9010ce885e6a 100644
--- a/fs/xfs/linux-2.6/xfs_trace.c
+++ b/fs/xfs/xfs_trace.c
@@ -43,8 +43,8 @@
 #include "xfs_quota.h"
 #include "xfs_iomap.h"
 #include "xfs_aops.h"
-#include "quota/xfs_dquot_item.h"
-#include "quota/xfs_dquot.h"
+#include "xfs_dquot_item.h"
+#include "xfs_dquot.h"
 #include "xfs_log_recover.h"
 #include "xfs_inode_item.h"
 
diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/xfs_trace.h
index 690fc7a7bd72..690fc7a7bd72 100644
--- a/fs/xfs/linux-2.6/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 4d00ee67792d..4d00ee67792d 100644
--- a/fs/xfs/quota/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/xfs_vnode.h
index 7c220b4227bc..7c220b4227bc 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/xfs_vnode.h
diff --git a/fs/xfs/linux-2.6/xfs_xattr.c b/fs/xfs/xfs_xattr.c
index 87d3e03878c8..87d3e03878c8 100644
--- a/fs/xfs/linux-2.6/xfs_xattr.c
+++ b/fs/xfs/xfs_xattr.c
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index 4f76959397fa..f4c38d8c6674 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -143,7 +143,7 @@ __SYSCALL(__NR_pivot_root, sys_pivot_root)
 
 /* fs/nfsctl.c */
 #define __NR_nfsservctl 42
-__SC_COMP(__NR_nfsservctl, sys_nfsservctl, compat_sys_nfsservctl)
+__SYSCALL(__NR_nfsservctl, sys_ni_syscall)
 
 /* fs/open.c */
 #define __NR3264_statfs 43
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 8779405e15a8..c6e7523bf765 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -438,7 +438,6 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
                                  struct compat_timespec __user *tsp,
                                  const compat_sigset_t __user *sigmask,
                                  compat_size_t sigsetsize);
-asmlinkage long compat_sys_nfsservctl(int cmd, void *notused, void *notused2);
 asmlinkage long compat_sys_signalfd4(int ufd,
                                      const compat_sigset_t __user *sigmask,
                                      compat_size_t sigsetsize, int flags);
diff --git a/include/linux/connector.h b/include/linux/connector.h
index 0c69ad825b39..3c9c54fd5690 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -1,7 +1,7 @@
 /*
  *      connector.h
  * 
- * 2004-2005 Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * 2004-2005 Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
  * All rights reserved.
  * 
  * This program is free software; you can redistribute it and/or modify
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 178cdb4f1d4a..c2bd68f2277a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2318,6 +2318,11 @@ extern struct inode * iget5_locked(struct super_block *, unsigned long, int (*te
 extern struct inode * iget_locked(struct super_block *, unsigned long);
 extern int insert_inode_locked4(struct inode *, unsigned long, int (*test)(struct inode *, void *), void *);
 extern int insert_inode_locked(struct inode *);
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+extern void lockdep_annotate_inode_mutex_key(struct inode *inode);
+#else
+static inline void lockdep_annotate_inode_mutex_key(struct inode *inode) { };
+#endif
 extern void unlock_new_inode(struct inode *);
 extern unsigned int get_next_ino(void);
 
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index d464de53db43..464cff526860 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -47,6 +47,9 @@
  *  - FUSE_IOCTL_UNRESTRICTED shall now return with array of 'struct
  *    fuse_ioctl_iovec' instead of ambiguous 'struct iovec'
  *  - add FUSE_IOCTL_32BIT flag
+ *
+ * 7.17
+ *  - add FUSE_FLOCK_LOCKS and FUSE_RELEASE_FLOCK_UNLOCK
  */
 
 #ifndef _LINUX_FUSE_H
@@ -78,7 +81,7 @@
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 16
+#define FUSE_KERNEL_MINOR_VERSION 17
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1
@@ -153,8 +156,10 @@ struct fuse_file_lock {
 /**
  * INIT request/reply flags
  *
+ * FUSE_POSIX_LOCKS: remote locking for POSIX file locks
  * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".."
  * FUSE_DONT_MASK: don't apply umask to file mode on create operations
+ * FUSE_FLOCK_LOCKS: remote locking for BSD style file locks
  */
 #define FUSE_ASYNC_READ         (1 << 0)
 #define FUSE_POSIX_LOCKS        (1 << 1)
@@ -163,6 +168,7 @@ struct fuse_file_lock {
 #define FUSE_EXPORT_SUPPORT     (1 << 4)
 #define FUSE_BIG_WRITES         (1 << 5)
 #define FUSE_DONT_MASK          (1 << 6)
+#define FUSE_FLOCK_LOCKS        (1 << 10)
 
 /**
  * CUSE INIT request/reply flags
@@ -175,6 +181,7 @@ struct fuse_file_lock {
  * Release flags
  */
 #define FUSE_RELEASE_FLUSH      (1 << 0)
+#define FUSE_RELEASE_FLOCK_UNLOCK       (1 << 1)
 
 /**
  * Getattr flags
diff --git a/include/linux/personality.h b/include/linux/personality.h
index eec3bae164d4..8fc7dd1a57ff 100644
--- a/include/linux/personality.h
+++ b/include/linux/personality.h
@@ -22,6 +22,7 @@ extern int		__set_personality(unsigned int);
  * These occupy the top three bytes.
  */
 enum {
+        UNAME26 =               0x0020000,
         ADDR_NO_RANDOMIZE =     0x0040000,      /* disable randomization of VA space */
         FDPIC_FUNCPTRS =        0x0080000,      /* userspace function ptrs point to descriptors
                                                  * (signal handling)
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index 5e3e25a3c9c3..63d2df43e61a 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -14,6 +14,7 @@ struct platform_pwm_backlight_data {
         unsigned int pwm_period_ns;
         int (*init)(struct device *dev);
         int (*notify)(struct device *dev, int brightness);
+        void (*notify_after)(struct device *dev, int brightness);
         void (*exit)(struct device *dev);
         int (*check_fb)(struct device *dev, struct fb_info *info);
 };
diff --git a/include/linux/rio_regs.h b/include/linux/rio_regs.h
index 9026b30238f3..218168a2b5e9 100644
--- a/include/linux/rio_regs.h
+++ b/include/linux/rio_regs.h
@@ -36,12 +36,12 @@
 #define  RIO_PEF_PROCESSOR              0x20000000      /* [I] Processor */
 #define  RIO_PEF_SWITCH                 0x10000000      /* [I] Switch */
 #define  RIO_PEF_MULTIPORT              0x08000000      /* [VI, 2.1] Multiport */
-#define  RIO_PEF_INB_MBOX               0x00f00000      /* [II] Mailboxes */
-#define  RIO_PEF_INB_MBOX0              0x00800000      /* [II] Mailbox 0 */
-#define  RIO_PEF_INB_MBOX1              0x00400000      /* [II] Mailbox 1 */
-#define  RIO_PEF_INB_MBOX2              0x00200000      /* [II] Mailbox 2 */
-#define  RIO_PEF_INB_MBOX3              0x00100000      /* [II] Mailbox 3 */
-#define  RIO_PEF_INB_DOORBELL           0x00080000      /* [II] Doorbells */
+#define  RIO_PEF_INB_MBOX               0x00f00000      /* [II, <= 1.2] Mailboxes */
+#define  RIO_PEF_INB_MBOX0              0x00800000      /* [II, <= 1.2] Mailbox 0 */
+#define  RIO_PEF_INB_MBOX1              0x00400000      /* [II, <= 1.2] Mailbox 1 */
+#define  RIO_PEF_INB_MBOX2              0x00200000      /* [II, <= 1.2] Mailbox 2 */
+#define  RIO_PEF_INB_MBOX3              0x00100000      /* [II, <= 1.2] Mailbox 3 */
+#define  RIO_PEF_INB_DOORBELL           0x00080000      /* [II, <= 1.2] Doorbells */
 #define  RIO_PEF_EXT_RT                 0x00000200      /* [III, 1.3] Extended route table support */
 #define  RIO_PEF_STD_RT                 0x00000100      /* [III, 1.3] Standard route table support */
 #define  RIO_PEF_CTLS                   0x00000010      /* [III] CTLS */
@@ -102,7 +102,7 @@
 #define RIO_SWITCH_RT_LIMIT     0x34    /* [III, 1.3] Switch Route Table Destination ID Limit CAR */
 #define  RIO_RT_MAX_DESTID              0x0000ffff
 
-#define RIO_MBOX_CSR            0x40    /* [II] Mailbox CSR */
+#define RIO_MBOX_CSR            0x40    /* [II, <= 1.2] Mailbox CSR */
 #define  RIO_MBOX0_AVAIL                0x80000000      /* [II] Mbox 0 avail */
 #define  RIO_MBOX0_FULL                 0x40000000      /* [II] Mbox 0 full */
 #define  RIO_MBOX0_EMPTY                0x20000000      /* [II] Mbox 0 empty */
@@ -128,8 +128,8 @@
 #define  RIO_MBOX3_FAIL                 0x00000008      /* [II] Mbox 3 fail */
 #define  RIO_MBOX3_ERROR                0x00000004      /* [II] Mbox 3 error */
 
-#define RIO_WRITE_PORT_CSR      0x44    /* [I] Write Port CSR */
-#define RIO_DOORBELL_CSR        0x44    /* [II] Doorbell CSR */
+#define RIO_WRITE_PORT_CSR      0x44    /* [I, <= 1.2] Write Port CSR */
+#define RIO_DOORBELL_CSR        0x44    /* [II, <= 1.2] Doorbell CSR */
 #define  RIO_DOORBELL_AVAIL             0x80000000      /* [II] Doorbell avail */
 #define  RIO_DOORBELL_FULL              0x40000000      /* [II] Doorbell full */
 #define  RIO_DOORBELL_EMPTY             0x20000000      /* [II] Doorbell empty */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 8c03b98df5f9..1ff0ec2a5e8d 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -702,9 +702,6 @@ asmlinkage long sys_sysctl(struct __sysctl_args __user *args);
 asmlinkage long sys_sysinfo(struct sysinfo __user *info);
 asmlinkage long sys_sysfs(int option,
                                 unsigned long arg1, unsigned long arg2);
-asmlinkage long sys_nfsservctl(int cmd,
-                                struct nfsctl_arg __user *arg,
-                                void __user *res);
 asmlinkage long sys_syslog(int type, char __user *buf, int len);
 asmlinkage long sys_uselib(const char __user *library);
 asmlinkage long sys_ni_syscall(void);
diff --git a/include/linux/ti_wilink_st.h b/include/linux/ti_wilink_st.h
index b004e557caa9..2ef4385da6bf 100644
--- a/include/linux/ti_wilink_st.h
+++ b/include/linux/ti_wilink_st.h
@@ -410,7 +410,28 @@ struct gps_event_hdr {
         u16 plen;
 } __attribute__ ((packed));
 
-/* platform data */
+/**
+ * struct ti_st_plat_data - platform data shared between ST driver and
+ *      platform specific board file which adds the ST device.
+ * @nshutdown_gpio: Host's GPIO line to which chip's BT_EN is connected.
+ * @dev_name: The UART/TTY name to which chip is interfaced. (eg: /dev/ttyS1)
+ * @flow_cntrl: Should always be 1, since UART's CTS/RTS is used for PM
+ *      purposes.
+ * @baud_rate: The baud rate supported by the Host UART controller, this will
+ *      be shared across with the chip via a HCI VS command from User-Space Init
+ *      Mgr application.
+ * @suspend:
+ * @resume: legacy PM routines hooked to platform specific board file, so as
+ *      to take chip-host interface specific action.
+ * @chip_enable:
+ * @chip_disable: Platform/Interface specific mux mode setting, GPIO
+ *      configuring, Host side PM disabling etc.. can be done here.
+ * @chip_asleep:
+ * @chip_awake: Chip specific deep sleep states is communicated to Host
+ *      specific board-xx.c to take actions such as cut UART clocks when chip
+ *      asleep or run host faster when chip awake etc..
+ *
+ */
 struct ti_st_plat_data {
         long nshutdown_gpio;
         unsigned char dev_name[UART_DEV_NAME_LEN]; /* uart name */
@@ -418,6 +439,10 @@ struct ti_st_plat_data {
         unsigned long baud_rate;
         int (*suspend)(struct platform_device *, pm_message_t);
         int (*resume)(struct platform_device *);
+        int (*chip_enable) (struct kim_data_s *);
+        int (*chip_disable) (struct kim_data_s *);
+        int (*chip_asleep) (struct kim_data_s *);
+        int (*chip_awake) (struct kim_data_s *);
 };
 
 #endif /* TI_WILINK_ST_H */
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 44bc0c5617e1..5f2ede82b3d6 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -421,6 +421,8 @@ extern void tty_driver_flush_buffer(struct tty_struct *tty);
 extern void tty_throttle(struct tty_struct *tty);
 extern void tty_unthrottle(struct tty_struct *tty);
 extern int tty_do_resize(struct tty_struct *tty, struct winsize *ws);
+extern void tty_driver_remove_tty(struct tty_driver *driver,
+                                  struct tty_struct *tty);
 extern void tty_shutdown(struct tty_struct *tty);
 extern void tty_free_termios(struct tty_struct *tty);
 extern int is_current_pgrp_orphaned(void);
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 9deeac855240..ecdaeb98b293 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -47,6 +47,9 @@
  *
  *      This routine is called synchronously when a particular tty device
  *      is closed for the last time freeing up the resources.
+ *      Note that tty_shutdown() is not called if ops->shutdown is defined.
+ *      This means one is responsible to take care of calling ops->remove (e.g.
+ *      via tty_driver_remove_tty) and releasing tty->termios.
  *
  *
  * void (*cleanup)(struct tty_struct * tty);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index f1bfa12ea246..2b8963ff0f35 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -12,15 +12,6 @@
  *
  *      (thresh - thresh/DIRTY_FULL_SCOPE, thresh)
  *
- * The 1/16 region above the global dirty limit will be put to maximum pauses:
- *
- *      (limit, limit + limit/DIRTY_MAXPAUSE_AREA)
- *
- * The 1/16 region above the max-pause region, dirty exceeded bdi's will be put
- * to loops:
- *
- *      (limit + limit/DIRTY_MAXPAUSE_AREA, limit + limit/DIRTY_PASSGOOD_AREA)
- *
  * Further beyond, all dirtier tasks will enter a loop waiting (possibly long
  * time) for the dirty pages to drop, unless written enough pages.
  *
@@ -31,8 +22,6 @@
  */
 #define DIRTY_SCOPE             8
 #define DIRTY_FULL_SCOPE        (DIRTY_SCOPE / 2)
-#define DIRTY_MAXPAUSE_AREA             16
-#define DIRTY_PASSGOOD_AREA             8
 
 /*
  * 4MB minimal write chunk size
diff --git a/include/target/target_core_fabric_ops.h b/include/target/target_core_fabric_ops.h
index 2de8fe907596..126c675f4f14 100644
--- a/include/target/target_core_fabric_ops.h
+++ b/include/target/target_core_fabric_ops.h
@@ -27,6 +27,12 @@ struct target_core_fabric_ops {
         int (*tpg_check_demo_mode_cache)(struct se_portal_group *);
         int (*tpg_check_demo_mode_write_protect)(struct se_portal_group *);
         int (*tpg_check_prod_mode_write_protect)(struct se_portal_group *);
+        /*
+         * Optionally used by fabrics to allow demo-mode login, but not
+         * expose any TPG LUNs, and return 'not connected' in standard
+         * inquiry response
+         */
+        int (*tpg_check_demo_mode_login_only)(struct se_portal_group *);
         struct se_node_acl *(*tpg_alloc_fabric_acl)(
                                         struct se_portal_group *);
         void (*tpg_release_fabric_acl)(struct se_portal_group *,
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 2e9425889fa8..9b956fa20308 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1331,7 +1331,6 @@ int request_threaded_irq(unsigned int irq, irq_handler_t handler,
                 if (!thread_fn)
                         return -EINVAL;
                 handler = irq_default_primary_handler;
-                irqflags |= IRQF_ONESHOT;
         }
 
         action = kzalloc(sizeof(struct irqaction), GFP_KERNEL);
diff --git a/kernel/printk.c b/kernel/printk.c
index 836a2ae0ac31..28a40d8171b8 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1604,7 +1604,7 @@ static int __init printk_late_init(void)
         struct console *con;
 
         for_each_console(con) {
-                if (con->flags & CON_BOOT) {
+                if (!keep_bootcon && con->flags & CON_BOOT) {
                         printk(KERN_INFO "turn off boot console %s%d\n",
                                 con->name, con->index);
                         unregister_console(con);
diff --git a/kernel/sys.c b/kernel/sys.c
index dd948a1fca4c..18ee1d2f6474 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -37,6 +37,8 @@
 #include <linux/fs_struct.h>
 #include <linux/gfp.h>
 #include <linux/syscore_ops.h>
+#include <linux/version.h>
+#include <linux/ctype.h>
 
 #include <linux/compat.h>
 #include <linux/syscalls.h>
@@ -44,6 +46,8 @@
 #include <linux/user_namespace.h>
 
 #include <linux/kmsg_dump.h>
+/* Move somewhere else to avoid recompiling? */
+#include <generated/utsrelease.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -1161,6 +1165,34 @@ DECLARE_RWSEM(uts_sem);
 #define override_architecture(name)     0
 #endif
 
+/*
+ * Work around broken programs that cannot handle "Linux 3.0".
+ * Instead we map 3.x to 2.6.40+x, so e.g. 3.0 would be 2.6.40
+ */
+static int override_release(char __user *release, int len)
+{
+        int ret = 0;
+        char buf[len];
+
+        if (current->personality & UNAME26) {
+                char *rest = UTS_RELEASE;
+                int ndots = 0;
+                unsigned v;
+
+                while (*rest) {
+                        if (*rest == '.' && ++ndots >= 3)
+                                break;
+                        if (!isdigit(*rest) && *rest != '.')
+                                break;
+                        rest++;
+                }
+                v = ((LINUX_VERSION_CODE >> 8) & 0xff) + 40;
+                snprintf(buf, len, "2.6.%u%s", v, rest);
+                ret = copy_to_user(release, buf, len);
+        }
+        return ret;
+}
+
 SYSCALL_DEFINE1(newuname, struct new_utsname __user *, name)
 {
         int errno = 0;
@@ -1170,6 +1202,8 @@ SYSCALL_DEFINE1(newuname, struct new_utsname __user *, name)
                 errno = -EFAULT;
         up_read(&uts_sem);
 
+        if (!errno && override_release(name->release, sizeof(name->release)))
+                errno = -EFAULT;
         if (!errno && override_architecture(name))
                 errno = -EFAULT;
         return errno;
@@ -1191,6 +1225,8 @@ SYSCALL_DEFINE1(uname, struct old_utsname __user *, name)
                 error = -EFAULT;
         up_read(&uts_sem);
 
+        if (!error && override_release(name->release, sizeof(name->release)))
+                error = -EFAULT;
         if (!error && override_architecture(name))
                 error = -EFAULT;
         return error;
@@ -1225,6 +1261,8 @@ SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name)
 
         if (!error && override_architecture(name))
                 error = -EFAULT;
+        if (!error && override_release(name->release, sizeof(name->release)))
+                error = -EFAULT;
         return error ? -EFAULT : 0;
 }
 #endif
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 62cbc8877fef..a9a5de07c4f1 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -16,7 +16,6 @@ asmlinkage long sys_ni_syscall(void)
         return -ENOSYS;
 }
 
-cond_syscall(sys_nfsservctl);
 cond_syscall(sys_quotactl);
 cond_syscall(sys32_quotactl);
 cond_syscall(sys_acct);
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 3b8e028b9601..e8bffbe2ba4b 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -1,6 +1,6 @@
 #include <linux/stat.h>
 #include <linux/sysctl.h>
-#include "../fs/xfs/linux-2.6/xfs_sysctl.h"
+#include "../fs/xfs/xfs_sysctl.h"
 #include <linux/sunrpc/debug.h>
 #include <linux/string.h>
 #include <net/ip_vs.h>
diff --git a/kernel/sysctl_check.c b/kernel/sysctl_check.c
index 4e4932a7b360..362da653813d 100644
--- a/kernel/sysctl_check.c
+++ b/kernel/sysctl_check.c
@@ -1,6 +1,6 @@
 #include <linux/stat.h>
 #include <linux/sysctl.h>
-#include "../fs/xfs/linux-2.6/xfs_sysctl.h"
+#include "../fs/xfs/xfs_sysctl.h"
 #include <linux/sunrpc/debug.h>
 #include <linux/string.h>
 #include <net/ip_vs.h>
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 930de9437271..ebd1e86bef1c 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1841,29 +1841,23 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem,
  */
 static bool mem_cgroup_oom_lock(struct mem_cgroup *mem)
 {
-        int lock_count = -1;
         struct mem_cgroup *iter, *failed = NULL;
         bool cond = true;
 
         for_each_mem_cgroup_tree_cond(iter, mem, cond) {
-                bool locked = iter->oom_lock;
-
-                iter->oom_lock = true;
-                if (lock_count == -1)
-                        lock_count = iter->oom_lock;
-                else if (lock_count != locked) {
+                if (iter->oom_lock) {
                         /*
                          * this subtree of our hierarchy is already locked
                          * so we cannot give a lock.
                          */
-                        lock_count = 0;
                         failed = iter;
                         cond = false;
-                }
+                } else
+                        iter->oom_lock = true;
         }
 
         if (!failed)
-                goto done;
+                return true;
 
         /*
          * OK, we failed to lock the whole subtree so we have to clean up
@@ -1877,8 +1871,7 @@ static bool mem_cgroup_oom_lock(struct mem_cgroup *mem)
                 }
                 iter->oom_lock = false;
         }
-done:
-        return lock_count;
+        return false;
 }
 
 /*
@@ -2169,13 +2162,7 @@ static void drain_all_stock(struct mem_cgroup *root_mem, bool sync)
 
         /* Notify other cpus that system-wide "drain" is running */
         get_online_cpus();
-        /*
-         * Get a hint for avoiding draining charges on the current cpu,
-         * which must be exhausted by our charging.  It is not required that
-         * this be a precise check, so we use raw_smp_processor_id() instead of
-         * getcpu()/putcpu().
-         */
-        curcpu = raw_smp_processor_id();
+        curcpu = get_cpu();
         for_each_online_cpu(cpu) {
                 struct memcg_stock_pcp *stock = &per_cpu(memcg_stock, cpu);
                 struct mem_cgroup *mem;
@@ -2192,6 +2179,7 @@ static void drain_all_stock(struct mem_cgroup *root_mem, bool sync)
                                 schedule_work_on(cpu, &stock->work);
                 }
         }
+        put_cpu();
 
         if (!sync)
                 goto out;
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index d1960744f881..0e309cd1b5b9 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -754,21 +754,10 @@ static void balance_dirty_pages(struct address_space *mapping,
                  * 200ms is typically more than enough to curb heavy dirtiers;
                  * (b) the pause time limit makes the dirtiers more responsive.
                  */
-                if (nr_dirty < dirty_thresh +
-                               dirty_thresh / DIRTY_MAXPAUSE_AREA &&
+                if (nr_dirty < dirty_thresh &&
+                    bdi_dirty < (task_bdi_thresh + bdi_thresh) / 2 &&
                     time_after(jiffies, start_time + MAX_PAUSE))
                         break;
-                /*
-                 * pass-good area. When some bdi gets blocked (eg. NFS server
-                 * not responding), or write bandwidth dropped dramatically due
-                 * to concurrent reads, or dirty threshold suddenly dropped and
-                 * the dirty pages cannot be brought down anytime soon (eg. on
-                 * slow USB stick), at least let go of the good bdi's.
-                 */
-                if (nr_dirty < dirty_thresh +
-                               dirty_thresh / DIRTY_PASSGOOD_AREA &&
-                    bdi_dirty < bdi_thresh)
-                        break;
 
                 /*
                  * Increase the delay for each loop, up to our previous
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 7ef69124fa3e..b7719ec10dc5 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2283,7 +2283,7 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
                 .mem_cgroup = mem,
                 .memcg_record = rec,
         };
-        unsigned long start, end;
+        ktime_t start, end;
 
         sc.gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) |
                         (GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK);
@@ -2292,7 +2292,7 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
                                                       sc.may_writepage,
                                                       sc.gfp_mask);
 
-        start = sched_clock();
+        start = ktime_get();
         /*
          * NOTE: Although we can get the priority field, using it
          * here is not a good idea, since it limits the pages we can scan.
@@ -2301,10 +2301,10 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
          * the priority and make it zero.
          */
         shrink_zone(0, zone, &sc);
-        end = sched_clock();
+        end = ktime_get();
 
         if (rec)
-                rec->elapsed += end - start;
+                rec->elapsed += ktime_to_ns(ktime_sub(end, start));
         *scanned = sc.nr_scanned;
 
         trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed);
@@ -2319,7 +2319,7 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont,
 {
         struct zonelist *zonelist;
         unsigned long nr_reclaimed;
-        unsigned long start, end;
+        ktime_t start, end;
         int nid;
         struct scan_control sc = {
                 .may_writepage = !laptop_mode,
@@ -2337,7 +2337,7 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont,
                 .gfp_mask = sc.gfp_mask,
         };
 
-        start = sched_clock();
+        start = ktime_get();
         /*
          * Unlike direct reclaim via alloc_pages(), memcg's reclaim doesn't
          * take care of from where we get pages. So the node where we start the
@@ -2352,9 +2352,9 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont,
                                             sc.gfp_mask);
 
         nr_reclaimed = do_try_to_free_pages(zonelist, &sc, &shrink);
-        end = sched_clock();
+        end = ktime_get();
         if (rec)
-                rec->elapsed += end - start;
+                rec->elapsed += ktime_to_ns(ktime_sub(end, start));
 
         trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed);
 
@@ -2529,6 +2529,9 @@ loop_again:
                                         high_wmark_pages(zone), 0, 0)) {
                                 end_zone = i;
                                 break;
+                        } else {
+                                /* If balanced, clear the congested flag */
+                                zone_clear_flag(zone, ZONE_CONGESTED);
                         }
                 }
                 if (i < 0)
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 5f27f8e30254..f1f2f7bb6661 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -167,6 +167,8 @@ struct sk_buff *vlan_untag(struct sk_buff *skb)
         if (unlikely(!skb))
                 goto err_free;
 
+        skb_reset_network_header(skb);
+        skb_reset_transport_header(skb);
         return skb;
 
 err_free:
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 52cfd0c3ea71..d07223c834af 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -558,12 +558,13 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
         spin_unlock_irqrestore(&rq->lock, flags);
 
         skb_queue_walk_safe(&queue, skb, tmp) {
-                struct net_device *dev = skb->dev;
+                struct net_device *dev;
+
+                br2684_push(atmvcc, skb);
+                dev = skb->dev;
 
                 dev->stats.rx_bytes -= skb->len;
                 dev->stats.rx_packets--;
-
-                br2684_push(atmvcc, skb);
         }
 
         /* initialize netdev carrier state */
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 2cdf0070419f..e73815456adf 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -231,6 +231,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
 int br_add_bridge(struct net *net, const char *name)
 {
         struct net_device *dev;
+        int res;
 
         dev = alloc_netdev(sizeof(struct net_bridge), name,
                            br_dev_setup);
@@ -240,7 +241,10 @@ int br_add_bridge(struct net *net, const char *name)
 
         dev_net_set(dev, net);
 
-        return register_netdev(dev);
+        res = register_netdev(dev);
+        if (res)
+                free_netdev(dev);
+        return res;
 }
 
 int br_del_bridge(struct net *net, const char *name)
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 9cb191ecaba8..147ede38ab48 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -913,7 +913,7 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
 }
 
 static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
-                    char __user *optval, int __user *optlen)
+                    char __user *optval, int __user *optlen, unsigned flags)
 {
         struct ipv6_pinfo *np = inet6_sk(sk);
         int len;
@@ -962,7 +962,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 
                 msg.msg_control = optval;
                 msg.msg_controllen = len;
-                msg.msg_flags = 0;
+                msg.msg_flags = flags;
 
                 lock_sock(sk);
                 skb = np->pktoptions;
@@ -1222,7 +1222,7 @@ int ipv6_getsockopt(struct sock *sk, int level, int optname,
         if(level != SOL_IPV6)
                 return -ENOPROTOOPT;
 
-        err = do_ipv6_getsockopt(sk, level, optname, optval, optlen);
+        err = do_ipv6_getsockopt(sk, level, optname, optval, optlen, 0);
 #ifdef CONFIG_NETFILTER
         /* we need to exclude all possible ENOPROTOOPTs except default case */
         if (err == -ENOPROTOOPT && optname != IPV6_2292PKTOPTIONS) {
@@ -1264,7 +1264,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
                 return compat_mc_getsockopt(sk, level, optname, optval, optlen,
                         ipv6_getsockopt);
 
-        err = do_ipv6_getsockopt(sk, level, optname, optval, optlen);
+        err = do_ipv6_getsockopt(sk, level, optname, optval, optlen,
+                                 MSG_CMSG_COMPAT);
 #ifdef CONFIG_NETFILTER
         /* we need to exclude all possible ENOPROTOOPTs except default case */
         if (err == -ENOPROTOOPT && optname != IPV6_2292PKTOPTIONS) {
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 07bf1085458f..00b15ac7a702 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -672,6 +672,9 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
         if (skb->protocol != htons(ETH_P_IPV6))
                 goto tx_error;
 
+        if (tos == 1)
+                tos = ipv6_get_dsfield(iph6);
+
         /* ISATAP (RFC4214) - must come before 6to4 */
         if (dev->priv_flags & IFF_ISATAP) {
                 struct neighbour *neigh = NULL;
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 102fc212cd64..e051398fdf6b 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -196,8 +196,7 @@ static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
 
         skb2->skb_iif = skb->dev->ifindex;
         skb2->dev = dev;
-        dev_queue_xmit(skb2);
-        err = 0;
+        err = dev_queue_xmit(skb2);
 
 out:
         if (err) {
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 9d761c95eca2..3dfc47134e51 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2574,7 +2574,8 @@ sub process {
                                 } else {
                                         $cast = $cast2;
                                 }
-                                WARN("$call() should probably be ${call}_t($cast, $arg1, $arg2)\n" . $herecurr);
+                                WARN("MINMAX",
+                                     "$call() should probably be ${call}_t($cast, $arg1, $arg2)\n" . $herecurr);
                         }
                 }
 
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index eb2f1e64edf7..4594f3341051 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -1389,7 +1389,7 @@ sub vcs_exists {
         warn("$P: No supported VCS found.  Add --nogit to options?\n");
         warn("Using a git repository produces better results.\n");
         warn("Try Linus Torvalds' latest git repository using:\n");
-        warn("git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git\n");
+        warn("git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git\n");
         $printed_novcs = 1;
     }
     return 0;
diff --git a/sound/aoa/fabrics/layout.c b/sound/aoa/fabrics/layout.c
index 3fd1a7e24928..552b97afbca5 100644
--- a/sound/aoa/fabrics/layout.c
+++ b/sound/aoa/fabrics/layout.c
@@ -1073,10 +1073,10 @@ static int aoa_fabric_layout_probe(struct soundbus_dev *sdev)
         sdev->pcmid = -1;
         list_del(&ldev->list);
         layouts_list_items--;
+        kfree(ldev);
  outnodev:
         of_node_put(sound);
         layout_device = NULL;
-        kfree(ldev);
         return -ENODEV;
 }
 
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 200c9a1d48b7..a872d0a82976 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -1909,6 +1909,7 @@ static unsigned int ad1981_jacks_whitelist[] = {
         0x103c0944, /* HP nc6220 */
         0x103c0934, /* HP nc8220 */
         0x103c006d, /* HP nx9105 */
+        0x103c300d, /* HP Compaq dc5100 SFF(PT003AW) */
         0x17340088, /* FSC Scenic-W */
         0 /* end */
 };
diff --git a/sound/pci/hda/alc268_quirks.c b/sound/pci/hda/alc268_quirks.c
index be58bf2f3aec..2e5876ce71fe 100644
--- a/sound/pci/hda/alc268_quirks.c
+++ b/sound/pci/hda/alc268_quirks.c
@@ -476,8 +476,8 @@ static const struct snd_pci_quirk alc268_ssid_cfg_tbl[] = {
 
 static const struct alc_config_preset alc268_presets[] = {
         [ALC267_QUANTA_IL1] = {
-                .mixers = { alc267_quanta_il1_mixer, alc268_beep_mixer,
-                            alc268_capture_nosrc_mixer },
+                .mixers = { alc267_quanta_il1_mixer, alc268_beep_mixer },
+                .cap_mixer = alc268_capture_nosrc_mixer,
                 .init_verbs = { alc268_base_init_verbs, alc268_eapd_verbs,
                                 alc267_quanta_il1_verbs },
                 .num_dacs = ARRAY_SIZE(alc268_dac_nids),
@@ -492,8 +492,8 @@ static const struct alc_config_preset alc268_presets[] = {
                 .init_hook = alc_inithook,
         },
         [ALC268_3ST] = {
-                .mixers = { alc268_base_mixer, alc268_capture_alt_mixer,
-                            alc268_beep_mixer },
+                .mixers = { alc268_base_mixer, alc268_beep_mixer },
+                .cap_mixer = alc268_capture_alt_mixer,
                 .init_verbs = { alc268_base_init_verbs },
                 .num_dacs = ARRAY_SIZE(alc268_dac_nids),
                 .dac_nids = alc268_dac_nids,
@@ -507,8 +507,8 @@ static const struct alc_config_preset alc268_presets[] = {
                 .input_mux = &alc268_capture_source,
         },
         [ALC268_TOSHIBA] = {
-                .mixers = { alc268_toshiba_mixer, alc268_capture_alt_mixer,
-                            alc268_beep_mixer },
+                .mixers = { alc268_toshiba_mixer, alc268_beep_mixer },
+                .cap_mixer = alc268_capture_alt_mixer,
                 .init_verbs = { alc268_base_init_verbs, alc268_eapd_verbs,
                                 alc268_toshiba_verbs },
                 .num_dacs = ARRAY_SIZE(alc268_dac_nids),
@@ -525,8 +525,8 @@ static const struct alc_config_preset alc268_presets[] = {
                 .init_hook = alc_inithook,
         },
         [ALC268_ACER] = {
-                .mixers = { alc268_acer_mixer, alc268_capture_alt_mixer,
-                            alc268_beep_mixer },
+                .mixers = { alc268_acer_mixer, alc268_beep_mixer },
+                .cap_mixer = alc268_capture_alt_mixer,
                 .init_verbs = { alc268_base_init_verbs, alc268_eapd_verbs,
                                 alc268_acer_verbs },
                 .num_dacs = ARRAY_SIZE(alc268_dac_nids),
@@ -543,8 +543,8 @@ static const struct alc_config_preset alc268_presets[] = {
                 .init_hook = alc_inithook,
         },
         [ALC268_ACER_DMIC] = {
-                .mixers = { alc268_acer_dmic_mixer, alc268_capture_alt_mixer,
-                            alc268_beep_mixer },
+                .mixers = { alc268_acer_dmic_mixer, alc268_beep_mixer },
+                .cap_mixer = alc268_capture_alt_mixer,
                 .init_verbs = { alc268_base_init_verbs, alc268_eapd_verbs,
                                 alc268_acer_verbs },
                 .num_dacs = ARRAY_SIZE(alc268_dac_nids),
@@ -561,9 +561,8 @@ static const struct alc_config_preset alc268_presets[] = {
                 .init_hook = alc_inithook,
         },
         [ALC268_ACER_ASPIRE_ONE] = {
-                .mixers = { alc268_acer_aspire_one_mixer,
-                            alc268_beep_mixer,
-                            alc268_capture_nosrc_mixer },
+                .mixers = { alc268_acer_aspire_one_mixer, alc268_beep_mixer},
+                .cap_mixer = alc268_capture_nosrc_mixer,
                 .init_verbs = { alc268_base_init_verbs, alc268_eapd_verbs,
                                 alc268_acer_aspire_one_verbs },
                 .num_dacs = ARRAY_SIZE(alc268_dac_nids),
@@ -579,8 +578,8 @@ static const struct alc_config_preset alc268_presets[] = {
                 .init_hook = alc_inithook,
         },
         [ALC268_DELL] = {
-                .mixers = { alc268_dell_mixer, alc268_beep_mixer,
-                            alc268_capture_nosrc_mixer },
+                .mixers = { alc268_dell_mixer, alc268_beep_mixer},
+                .cap_mixer = alc268_capture_nosrc_mixer,
                 .init_verbs = { alc268_base_init_verbs, alc268_eapd_verbs,
                                 alc268_dell_verbs },
                 .num_dacs = ARRAY_SIZE(alc268_dac_nids),
@@ -596,8 +595,8 @@ static const struct alc_config_preset alc268_presets[] = {
                 .init_hook = alc_inithook,
         },
         [ALC268_ZEPTO] = {
-                .mixers = { alc268_base_mixer, alc268_capture_alt_mixer,
-                            alc268_beep_mixer },
+                .mixers = { alc268_base_mixer, alc268_beep_mixer },
+                .cap_mixer = alc268_capture_alt_mixer,
                 .init_verbs = { alc268_base_init_verbs, alc268_eapd_verbs,
                                 alc268_toshiba_verbs },
                 .num_dacs = ARRAY_SIZE(alc268_dac_nids),
@@ -616,7 +615,8 @@ static const struct alc_config_preset alc268_presets[] = {
         },
 #ifdef CONFIG_SND_DEBUG
         [ALC268_TEST] = {
-                .mixers = { alc268_test_mixer, alc268_capture_mixer },
+                .mixers = { alc268_test_mixer },
+                .cap_mixer = alc268_capture_mixer,
                 .init_verbs = { alc268_base_init_verbs, alc268_eapd_verbs,
                                 alc268_volume_init_verbs,
                                 alc268_beep_init_verbs },
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index 28ce17d09c33..c34f730f4815 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -144,25 +144,17 @@ static int cea_sampling_frequencies[8] = {
         SNDRV_PCM_RATE_192000,  /* 7: 192000Hz */
 };
 
-static unsigned char hdmi_get_eld_byte(struct hda_codec *codec, hda_nid_t nid,
+static unsigned int hdmi_get_eld_data(struct hda_codec *codec, hda_nid_t nid,
                                         int byte_index)
 {
         unsigned int val;
 
         val = snd_hda_codec_read(codec, nid, 0,
                                         AC_VERB_GET_HDMI_ELDD, byte_index);
-
 #ifdef BE_PARANOID
         printk(KERN_INFO "HDMI: ELD data byte %d: 0x%x\n", byte_index, val);
 #endif
-
-        if ((val & AC_ELDD_ELD_VALID) == 0) {
-                snd_printd(KERN_INFO "HDMI: invalid ELD data byte %d\n",
-                                                                byte_index);
-                val = 0;
-        }
-
-        return val & AC_ELDD_ELD_DATA;
+        return val;
 }
 
 #define GRAB_BITS(buf, byte, lowbit, bits)              \
@@ -344,11 +336,26 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld,
         if (!buf)
                 return -ENOMEM;
 
-        for (i = 0; i < size; i++)
-                buf[i] = hdmi_get_eld_byte(codec, nid, i);
+        for (i = 0; i < size; i++) {
+                unsigned int val = hdmi_get_eld_data(codec, nid, i);
+                if (!(val & AC_ELDD_ELD_VALID)) {
+                        if (!i) {
+                                snd_printd(KERN_INFO
+                                           "HDMI: invalid ELD data\n");
+                                ret = -EINVAL;
+                                goto error;
+                        }
+                        snd_printd(KERN_INFO
+                                  "HDMI: invalid ELD data byte %d\n", i);
+                        val = 0;
+                } else
+                        val &= AC_ELDD_ELD_DATA;
+                buf[i] = val;
+        }
 
         ret = hdmi_update_eld(eld, buf, size);
 
+error:
         kfree(buf);
         return ret;
 }
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 47d6ffc9b5b5..d6c93d92b550 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -375,7 +375,7 @@ static int is_ext_mic(struct hda_codec *codec, unsigned int idx)
 static hda_nid_t get_adc(struct hda_codec *codec, hda_nid_t pin,
                          unsigned int *idxp)
 {
-        int i;
+        int i, idx;
         hda_nid_t nid;
 
         nid = codec->start_nid;
@@ -384,9 +384,11 @@ static hda_nid_t get_adc(struct hda_codec *codec, hda_nid_t pin,
                 type = get_wcaps_type(get_wcaps(codec, nid));
                 if (type != AC_WID_AUD_IN)
                         continue;
-                *idxp = snd_hda_get_conn_index(codec, nid, pin, false);
-                if (*idxp >= 0)
+                idx = snd_hda_get_conn_index(codec, nid, pin, false);
+                if (idx >= 0) {
+                        *idxp = idx;
                         return nid;
+                }
         }
         return 0;
 }
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 502fc9499453..7696d05b9356 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -3348,6 +3348,8 @@ static hda_nid_t get_unassigned_dac(struct hda_codec *codec, hda_nid_t pin,
 
 #define MAX_AUTO_DACS   5
 
+#define DAC_SLAVE_FLAG  0x8000  /* filled dac is a slave */
+
 /* fill analog DAC list from the widget tree */
 static int fill_cx_auto_dacs(struct hda_codec *codec, hda_nid_t *dacs)
 {
@@ -3370,16 +3372,26 @@ static int fill_cx_auto_dacs(struct hda_codec *codec, hda_nid_t *dacs)
 /* fill pin_dac_pair list from the pin and dac list */
 static int fill_dacs_for_pins(struct hda_codec *codec, hda_nid_t *pins,
                               int num_pins, hda_nid_t *dacs, int *rest,
-                              struct pin_dac_pair *filled, int type)
+                              struct pin_dac_pair *filled, int nums, 
+                              int type)
 {
-        int i, nums;
+        int i, start = nums;
 
-        nums = 0;
-        for (i = 0; i < num_pins; i++) {
+        for (i = 0; i < num_pins; i++, nums++) {
                 filled[nums].pin = pins[i];
                 filled[nums].type = type;
                 filled[nums].dac = get_unassigned_dac(codec, pins[i], dacs, rest);
-                nums++;
+                if (filled[nums].dac) 
+                        continue;
+                if (filled[start].dac && get_connection_index(codec, pins[i], filled[start].dac) >= 0) {
+                        filled[nums].dac = filled[start].dac | DAC_SLAVE_FLAG;
+                        continue;
+                }
+                if (filled[0].dac && get_connection_index(codec, pins[i], filled[0].dac) >= 0) {
+                        filled[nums].dac = filled[0].dac | DAC_SLAVE_FLAG;
+                        continue;
+                }
+                snd_printdd("Failed to find a DAC for pin 0x%x", pins[i]);
         }
         return nums;
 }
@@ -3395,19 +3407,19 @@ static void cx_auto_parse_output(struct hda_codec *codec)
         rest = fill_cx_auto_dacs(codec, dacs);
         /* parse all analog output pins */
         nums = fill_dacs_for_pins(codec, cfg->line_out_pins, cfg->line_outs,
-                                  dacs, &rest, spec->dac_info,
-                                  AUTO_PIN_LINE_OUT);
-        nums += fill_dacs_for_pins(codec, cfg->hp_pins, cfg->hp_outs,
-                                  dacs, &rest, spec->dac_info + nums,
-                                  AUTO_PIN_HP_OUT);
-        nums += fill_dacs_for_pins(codec, cfg->speaker_pins, cfg->speaker_outs,
-                                  dacs, &rest, spec->dac_info + nums,
-                                  AUTO_PIN_SPEAKER_OUT);
+                          dacs, &rest, spec->dac_info, 0,
+                          AUTO_PIN_LINE_OUT);
+        nums = fill_dacs_for_pins(codec, cfg->hp_pins, cfg->hp_outs,
+                          dacs, &rest, spec->dac_info, nums,
+                          AUTO_PIN_HP_OUT);
+        nums = fill_dacs_for_pins(codec, cfg->speaker_pins, cfg->speaker_outs,
+                          dacs, &rest, spec->dac_info, nums,
+                          AUTO_PIN_SPEAKER_OUT);
         spec->dac_info_filled = nums;
         /* fill multiout struct */
         for (i = 0; i < nums; i++) {
                 hda_nid_t dac = spec->dac_info[i].dac;
-                if (!dac)
+                if (!dac || (dac & DAC_SLAVE_FLAG))
                         continue;
                 switch (spec->dac_info[i].type) {
                 case AUTO_PIN_LINE_OUT:
@@ -3862,7 +3874,7 @@ static void cx_auto_parse_input(struct hda_codec *codec)
         }
         if (imux->num_items >= 2 && cfg->num_inputs == imux->num_items)
                 cx_auto_check_auto_mic(codec);
-        if (imux->num_items > 1 && !spec->auto_mic) {
+        if (imux->num_items > 1) {
                 for (i = 1; i < imux->num_items; i++) {
                         if (spec->imux_info[i].adc != spec->imux_info[0].adc) {
                                 spec->adc_switching = 1;
@@ -4035,6 +4047,8 @@ static void cx_auto_init_output(struct hda_codec *codec)
                 nid = spec->dac_info[i].dac;
                 if (!nid)
                         nid = spec->multiout.dac_nids[0];
+                else if (nid & DAC_SLAVE_FLAG)
+                        nid &= ~DAC_SLAVE_FLAG;
                 select_connection(codec, spec->dac_info[i].pin, nid);
         }
         if (spec->auto_mute) {
@@ -4167,9 +4181,11 @@ static int try_add_pb_volume(struct hda_codec *codec, hda_nid_t dac,
                              hda_nid_t pin, const char *name, int idx)
 {
         unsigned int caps;
-        caps = query_amp_caps(codec, dac, HDA_OUTPUT);
-        if (caps & AC_AMPCAP_NUM_STEPS)
-                return cx_auto_add_pb_volume(codec, dac, name, idx);
+        if (dac && !(dac & DAC_SLAVE_FLAG)) {
+                caps = query_amp_caps(codec, dac, HDA_OUTPUT);
+                if (caps & AC_AMPCAP_NUM_STEPS)
+                        return cx_auto_add_pb_volume(codec, dac, name, idx);
+        }
         caps = query_amp_caps(codec, pin, HDA_OUTPUT);
         if (caps & AC_AMPCAP_NUM_STEPS)
                 return cx_auto_add_pb_volume(codec, pin, name, idx);
@@ -4191,8 +4207,7 @@ static int cx_auto_build_output_controls(struct hda_codec *codec)
         for (i = 0; i < spec->dac_info_filled; i++) {
                 const char *label;
                 int idx, type;
-                if (!spec->dac_info[i].dac)
-                        continue;
+                hda_nid_t dac = spec->dac_info[i].dac;
                 type = spec->dac_info[i].type;
                 if (type == AUTO_PIN_LINE_OUT)
                         type = spec->autocfg.line_out_type;
@@ -4211,7 +4226,7 @@ static int cx_auto_build_output_controls(struct hda_codec *codec)
                         idx = num_spk++;
                         break;
                 }
-                err = try_add_pb_volume(codec, spec->dac_info[i].dac,
+                err = try_add_pb_volume(codec, dac,
                                         spec->dac_info[i].pin,
                                         label, idx);
                 if (err < 0)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9a1aa09f47fe..7cabd7317163 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -565,11 +565,11 @@ static void alc_hp_automute(struct hda_codec *codec)
 {
         struct alc_spec *spec = codec->spec;
 
-        if (!spec->automute)
-                return;
         spec->jack_present =
                 detect_jacks(codec, ARRAY_SIZE(spec->autocfg.hp_pins),
                              spec->autocfg.hp_pins);
+        if (!spec->automute)
+                return;
         update_speakers(codec);
 }
 
@@ -578,11 +578,11 @@ static void alc_line_automute(struct hda_codec *codec)
 {
         struct alc_spec *spec = codec->spec;
 
-        if (!spec->automute || !spec->detect_line)
-                return;
         spec->line_jack_present =
                 detect_jacks(codec, ARRAY_SIZE(spec->autocfg.line_out_pins),
                              spec->autocfg.line_out_pins);
+        if (!spec->automute || !spec->detect_line)
+                return;
         update_speakers(codec);
 }
 
@@ -1784,6 +1784,7 @@ static const char * const alc_slave_vols[] = {
         "Speaker Playback Volume",
         "Mono Playback Volume",
         "Line-Out Playback Volume",
+        "PCM Playback Volume",
         NULL,
 };
 
@@ -1798,6 +1799,7 @@ static const char * const alc_slave_sws[] = {
         "Mono Playback Switch",
         "IEC958 Playback Switch",
         "Line-Out Playback Switch",
+        "PCM Playback Switch",
         NULL,
 };
 
@@ -3081,16 +3083,22 @@ static void alc_auto_init_multi_out(struct hda_codec *codec)
 static void alc_auto_init_extra_out(struct hda_codec *codec)
 {
         struct alc_spec *spec = codec->spec;
-        hda_nid_t pin;
+        hda_nid_t pin, dac;
 
         pin = spec->autocfg.hp_pins[0];
-        if (pin)
-                alc_auto_set_output_and_unmute(codec, pin, PIN_HP,
-                                                  spec->multiout.hp_nid);
+        if (pin) {
+                dac = spec->multiout.hp_nid;
+                if (!dac)
+                        dac = spec->multiout.dac_nids[0];
+                alc_auto_set_output_and_unmute(codec, pin, PIN_HP, dac);
+        }
         pin = spec->autocfg.speaker_pins[0];
-        if (pin)
-                alc_auto_set_output_and_unmute(codec, pin, PIN_OUT,
-                                        spec->multiout.extra_out_nid[0]);
+        if (pin) {
+                dac = spec->multiout.extra_out_nid[0];
+                if (!dac)
+                        dac = spec->multiout.dac_nids[0];
+                alc_auto_set_output_and_unmute(codec, pin, PIN_OUT, dac);
+        }
 }
 
 /*
diff --git a/sound/soc/blackfin/bf5xx-ad193x.c b/sound/soc/blackfin/bf5xx-ad193x.c
index d6651c033cb7..a118a0fb9d81 100644
--- a/sound/soc/blackfin/bf5xx-ad193x.c
+++ b/sound/soc/blackfin/bf5xx-ad193x.c
@@ -56,7 +56,7 @@ static int bf5xx_ad193x_hw_params(struct snd_pcm_substream *substream,
 
         switch (params_rate(params)) {
         case 48000:
-                clk = 12288000;
+                clk = 24576000;
                 break;
         }
 
diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c
index 2374ca5ffe68..eedb6f5e5823 100644
--- a/sound/soc/codecs/ad193x.c
+++ b/sound/soc/codecs/ad193x.c
@@ -27,11 +27,6 @@ struct ad193x_priv {
         int sysclk;
 };
 
-/* ad193x register cache & default register settings */
-static const u8 ad193x_reg[AD193X_NUM_REGS] = {
-        0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0,
-};
-
 /*
  * AD193X volume/mute/de-emphasis etc. controls
  */
@@ -307,7 +302,8 @@ static int ad193x_hw_params(struct snd_pcm_substream *substream,
         snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, reg);
 
         reg = snd_soc_read(codec, AD193X_DAC_CTRL2);
-        reg = (reg & (~AD193X_DAC_WORD_LEN_MASK)) | word_len;
+        reg = (reg & (~AD193X_DAC_WORD_LEN_MASK))
+                | (word_len << AD193X_DAC_WORD_LEN_SHFT);
         snd_soc_write(codec, AD193X_DAC_CTRL2, reg);
 
         reg = snd_soc_read(codec, AD193X_ADC_CTRL1);
@@ -389,9 +385,6 @@ static int ad193x_probe(struct snd_soc_codec *codec)
 
 static struct snd_soc_codec_driver soc_codec_dev_ad193x = {
         .probe =        ad193x_probe,
-        .reg_cache_default = ad193x_reg,
-        .reg_cache_size = AD193X_NUM_REGS,
-        .reg_word_size = sizeof(u16),
 };
 
 #if defined(CONFIG_SPI_MASTER)
diff --git a/sound/soc/codecs/ad193x.h b/sound/soc/codecs/ad193x.h
index 9747b5497877..cccc2e8e5fbd 100644
--- a/sound/soc/codecs/ad193x.h
+++ b/sound/soc/codecs/ad193x.h
@@ -34,7 +34,8 @@
 #define AD193X_DAC_LEFT_HIGH    (1 << 3)
 #define AD193X_DAC_BCLK_INV     (1 << 7)
 #define AD193X_DAC_CTRL2        0x804
-#define AD193X_DAC_WORD_LEN_MASK        0xC
+#define AD193X_DAC_WORD_LEN_SHFT        3
+#define AD193X_DAC_WORD_LEN_MASK        0x18
 #define AD193X_DAC_MASTER_MUTE  1
 #define AD193X_DAC_CHNL_MUTE    0x805
 #define AD193X_DACL1_MUTE       0
@@ -63,7 +64,7 @@
 #define AD193X_ADC_CTRL1        0x80f
 #define AD193X_ADC_SERFMT_MASK          0x60
 #define AD193X_ADC_SERFMT_STEREO        (0 << 5)
-#define AD193X_ADC_SERFMT_TDM           (1 << 2)
+#define AD193X_ADC_SERFMT_TDM           (1 << 5)
 #define AD193X_ADC_SERFMT_AUX           (2 << 5)
 #define AD193X_ADC_WORD_LEN_MASK        0x3
 #define AD193X_ADC_CTRL2        0x810
diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c
index 409d89d1f34c..fbd7eb9e61ce 100644
--- a/sound/soc/codecs/sta32x.c
+++ b/sound/soc/codecs/sta32x.c
@@ -857,6 +857,7 @@ static __devinit int sta32x_i2c_probe(struct i2c_client *i2c,
         ret = snd_soc_register_codec(&i2c->dev, &sta32x_codec, &sta32x_dai, 1);
         if (ret != 0) {
                 dev_err(&i2c->dev, "Failed to register codec (%d)\n", ret);
+                kfree(sta32x);
                 return ret;
         }
 
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 60d740ebeb5b..1725550c293e 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2221,6 +2221,8 @@ static int sysclk_event(struct snd_soc_dapm_widget *w,
         switch (event) {
         case SND_SOC_DAPM_PRE_PMU:
                 if (fll) {
+                        try_wait_for_completion(&wm8962->fll_lock);
+
                         snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1,
                                             WM8962_FLL_ENA, WM8962_FLL_ENA);
                         if (wm8962->irq) {
@@ -2927,10 +2929,6 @@ static int wm8962_set_bias_level(struct snd_soc_codec *codec,
                                             WM8962_BIAS_ENA | 0x180);
 
                         msleep(5);
-
-                        snd_soc_update_bits(codec, WM8962_CLOCKING2,
-                                            WM8962_CLKREG_OVD,
-                                            WM8962_CLKREG_OVD);
                 }
 
                 /* VMID 2*250k */
@@ -3288,6 +3286,8 @@ static int wm8962_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
         snd_soc_write(codec, WM8962_FLL_CONTROL_7, fll_div.lambda);
         snd_soc_write(codec, WM8962_FLL_CONTROL_8, fll_div.n);
 
+        try_wait_for_completion(&wm8962->fll_lock);
+
         snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1,
                             WM8962_FLL_FRAC | WM8962_FLL_REFCLK_SRC_MASK |
                             WM8962_FLL_ENA, fll1);
@@ -3868,6 +3868,10 @@ static int wm8962_probe(struct snd_soc_codec *codec)
          */
         snd_soc_update_bits(codec, WM8962_CLOCKING2, WM8962_SYSCLK_ENA, 0);
 
+        /* Ensure we have soft control over all registers */
+        snd_soc_update_bits(codec, WM8962_CLOCKING2,
+                            WM8962_CLKREG_OVD, WM8962_CLKREG_OVD);
+
         regulator_bulk_disable(ARRAY_SIZE(wm8962->supplies), wm8962->supplies);
 
         if (pdata) {
diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index ab8e9d1aaff0..0cdb9d105671 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -420,7 +420,7 @@ static const char *sidetone_hpf_text[] = {
 };
 
 static const struct soc_enum sidetone_hpf =
-        SOC_ENUM_SINGLE(WM8996_SIDETONE, 7, 6, sidetone_hpf_text);
+        SOC_ENUM_SINGLE(WM8996_SIDETONE, 7, 7, sidetone_hpf_text);
 
 static const char *hpf_mode_text[] = {
         "HiFi", "Custom", "Voice"
@@ -988,15 +988,10 @@ SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
 SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
 SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
 
-SND_SOC_DAPM_MUX("IN1L Mux", SND_SOC_NOPM, 0, 0, &in1_mux),
-SND_SOC_DAPM_MUX("IN1R Mux", SND_SOC_NOPM, 0, 0, &in1_mux),
-SND_SOC_DAPM_MUX("IN2L Mux", SND_SOC_NOPM, 0, 0, &in2_mux),
-SND_SOC_DAPM_MUX("IN2R Mux", SND_SOC_NOPM, 0, 0, &in2_mux),
-
-SND_SOC_DAPM_PGA("IN1L", WM8996_POWER_MANAGEMENT_7, 2, 0, NULL, 0),
-SND_SOC_DAPM_PGA("IN1R", WM8996_POWER_MANAGEMENT_7, 3, 0, NULL, 0),
-SND_SOC_DAPM_PGA("IN2L", WM8996_POWER_MANAGEMENT_7, 6, 0, NULL, 0),
-SND_SOC_DAPM_PGA("IN2R", WM8996_POWER_MANAGEMENT_7, 7, 0, NULL, 0),
+SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
+SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
+SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
+SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
 
 SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
@@ -1213,6 +1208,16 @@ static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
         { "AIF2RX0", NULL, "AIFCLK" },
         { "AIF2RX1", NULL, "AIFCLK" },
 
+        { "AIF1TX0", NULL, "AIFCLK" },
+        { "AIF1TX1", NULL, "AIFCLK" },
+        { "AIF1TX2", NULL, "AIFCLK" },
+        { "AIF1TX3", NULL, "AIFCLK" },
+        { "AIF1TX4", NULL, "AIFCLK" },
+        { "AIF1TX5", NULL, "AIFCLK" },
+
+        { "AIF2TX0", NULL, "AIFCLK" },
+        { "AIF2TX1", NULL, "AIFCLK" },
+
         { "DSP1RXL", NULL, "SYSDSPCLK" },
         { "DSP1RXR", NULL, "SYSDSPCLK" },
         { "DSP2RXL", NULL, "SYSDSPCLK" },
@@ -2106,6 +2111,9 @@ static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
 
         snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
 
+        /* Clear any pending completions (eg, from failed startups) */
+        try_wait_for_completion(&wm8996->fll_lock);
+
         snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
                             WM8996_FLL_ENA, WM8996_FLL_ENA);
 
diff --git a/sound/soc/ep93xx/ep93xx-i2s.c b/sound/soc/ep93xx/ep93xx-i2s.c
index 56efa0c1c9a9..099614e16651 100644
--- a/sound/soc/ep93xx/ep93xx-i2s.c
+++ b/sound/soc/ep93xx/ep93xx-i2s.c
@@ -385,14 +385,14 @@ static int ep93xx_i2s_probe(struct platform_device *pdev)
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!res) {
                 err = -ENODEV;
-                goto fail;
+                goto fail_free_info;
         }
 
         info->mem = request_mem_region(res->start, resource_size(res),
                                        pdev->name);
         if (!info->mem) {
                 err = -EBUSY;
-                goto fail;
+                goto fail_free_info;
         }
 
         info->regs = ioremap(info->mem->start, resource_size(info->mem));
@@ -435,6 +435,7 @@ fail_unmap_mem:
         iounmap(info->regs);
 fail_release_mem:
         release_mem_region(info->mem->start, resource_size(info->mem));
+fail_free_info:
         kfree(info);
 fail:
         return err;
diff --git a/sound/soc/fsl/fsl_dma.c b/sound/soc/fsl/fsl_dma.c
index 732208c8c0b4..cb50598338e9 100644
--- a/sound/soc/fsl/fsl_dma.c
+++ b/sound/soc/fsl/fsl_dma.c
@@ -879,10 +879,12 @@ static struct device_node *find_ssi_node(struct device_node *dma_channel_np)
                  * assume that device_node pointers are a valid comparison.
                  */
                 np = of_parse_phandle(ssi_np, "fsl,playback-dma", 0);
+                of_node_put(np);
                 if (np == dma_channel_np)
                         return ssi_np;
 
                 np = of_parse_phandle(ssi_np, "fsl,capture-dma", 0);
+                of_node_put(np);
                 if (np == dma_channel_np)
                         return ssi_np;
         }
diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c
index a19297959587..358f0baaf71b 100644
--- a/sound/soc/fsl/mpc8610_hpcd.c
+++ b/sound/soc/fsl/mpc8610_hpcd.c
@@ -345,8 +345,10 @@ static int mpc8610_hpcd_probe(struct platform_device *pdev)
         }
 
         machine_data = kzalloc(sizeof(struct mpc8610_hpcd_data), GFP_KERNEL);
-        if (!machine_data)
-                return -ENOMEM;
+        if (!machine_data) {
+                ret = -ENOMEM;
+                goto error_alloc;
+        }
 
         machine_data->dai[0].cpu_dai_name = dev_name(&ssi_pdev->dev);
         machine_data->dai[0].ops = &mpc8610_hpcd_ops;
@@ -494,7 +496,7 @@ static int mpc8610_hpcd_probe(struct platform_device *pdev)
         ret = platform_device_add(sound_device);
         if (ret) {
                 dev_err(&pdev->dev, "platform device add failed\n");
-                goto error;
+                goto error_sound;
         }
         dev_set_drvdata(&pdev->dev, sound_device);
 
@@ -502,14 +504,12 @@ static int mpc8610_hpcd_probe(struct platform_device *pdev)
 
         return 0;
 
+error_sound:
+        platform_device_unregister(sound_device);
 error:
-        of_node_put(codec_np);
-
-        if (sound_device)
-                platform_device_unregister(sound_device);
-
         kfree(machine_data);
-
+error_alloc:
+        of_node_put(codec_np);
         return ret;
 }
 
diff --git a/sound/soc/fsl/p1022_ds.c b/sound/soc/fsl/p1022_ds.c
index 8fa4d5f8eda1..fcb862eb0c73 100644
--- a/sound/soc/fsl/p1022_ds.c
+++ b/sound/soc/fsl/p1022_ds.c
@@ -297,8 +297,10 @@ static int get_dma_channel(struct device_node *ssi_np,
          * dai->platform name should already point to an allocated buffer.
          */
         ret = of_address_to_resource(dma_channel_np, 0, &res);
-        if (ret)
+        if (ret) {
+                of_node_put(dma_channel_np);
                 return ret;
+        }
         snprintf((char *)dai->platform_name, DAI_NAME_SIZE, "%llx.%s",
                  (unsigned long long) res.start, dma_channel_np->name);
 
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index a33fc51f363b..8f16cd37c2af 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -424,7 +424,7 @@ static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev)
         if (!priv->mem) {
                 dev_err(&pdev->dev, "request_mem_region failed\n");
                 err = -EBUSY;
-                goto error;
+                goto error_alloc;
         }
 
         priv->io = ioremap(priv->mem->start, SZ_16K);
diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c
index 30fe0d0efe1c..0aa475f92efa 100644
--- a/sound/soc/omap/ams-delta.c
+++ b/sound/soc/omap/ams-delta.c
@@ -514,7 +514,7 @@ static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd)
         }
 
         /* Set codec bias level */
-        ams_delta_set_bias_level(card, SND_SOC_BIAS_STANDBY);
+        ams_delta_set_bias_level(card, dapm, SND_SOC_BIAS_STANDBY);
 
         /* Add hook switch - can be used to control the codec from userspace
          * even if line discipline fails */
@@ -649,7 +649,9 @@ static void __exit ams_delta_module_exit(void)
                         ams_delta_hook_switch_gpios);
 
         /* Keep modem power on */
-        ams_delta_set_bias_level(&ams_delta_audio_card, SND_SOC_BIAS_STANDBY);
+        ams_delta_set_bias_level(&ams_delta_audio_card,
+                                 &ams_delta_audio_card.rtd[0].codec->dapm,
+                                 SND_SOC_BIAS_STANDBY);
 
         platform_device_unregister(cx20442_platform_device);
         platform_device_unregister(ams_delta_audio_platform_device);
diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig
index b99091fc34eb..65f980ef2870 100644
--- a/sound/soc/samsung/Kconfig
+++ b/sound/soc/samsung/Kconfig
@@ -185,6 +185,7 @@ config SND_SOC_SPEYSIDE
         select SND_SAMSUNG_I2S
         select SND_SOC_WM8996
         select SND_SOC_WM9081
+        select SND_SOC_WM1250_EV1
 
 config SND_SOC_SPEYSIDE_WM8962
         tristate "Audio support for Wolfson Speyside with WM8962"
diff --git a/sound/soc/samsung/h1940_uda1380.c b/sound/soc/samsung/h1940_uda1380.c
index 241f55d00660..c6c65892294e 100644
--- a/sound/soc/samsung/h1940_uda1380.c
+++ b/sound/soc/samsung/h1940_uda1380.c
@@ -13,6 +13,7 @@
  *
  */
 
+#include <linux/types.h>
 #include <linux/gpio.h>
 
 #include <sound/soc.h>
diff --git a/sound/soc/samsung/rx1950_uda1380.c b/sound/soc/samsung/rx1950_uda1380.c
index 1e574a5d440d..bc8c1676459f 100644
--- a/sound/soc/samsung/rx1950_uda1380.c
+++ b/sound/soc/samsung/rx1950_uda1380.c
@@ -17,6 +17,7 @@
  *
  */
 
+#include <linux/types.h>
 #include <linux/gpio.h>
 
 #include <sound/soc.h>
diff --git a/sound/soc/samsung/speyside_wm8962.c b/sound/soc/samsung/speyside_wm8962.c
index 0b9eb5f7ec4c..72535f2daaf2 100644
--- a/sound/soc/samsung/speyside_wm8962.c
+++ b/sound/soc/samsung/speyside_wm8962.c
@@ -23,6 +23,9 @@ static int speyside_wm8962_set_bias_level(struct snd_soc_card *card,
         struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
         int ret;
 
+        if (dapm->dev != codec_dai->dev)
+                return 0;
+
         switch (level) {
         case SND_SOC_BIAS_PREPARE:
                 if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
@@ -57,6 +60,9 @@ static int speyside_wm8962_set_bias_level_post(struct snd_soc_card *card,
         struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
         int ret;
 
+        if (dapm->dev != codec_dai->dev)
+                return 0;
+
         switch (level) {
         case SND_SOC_BIAS_STANDBY:
                 ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK,
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 83ad8ca27490..b085d8e87574 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1913,7 +1913,7 @@ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 
         if (prefix) {
                 name_len = strlen(long_name) + strlen(prefix) + 2;
-                name = kmalloc(name_len, GFP_ATOMIC);
+                name = kmalloc(name_len, GFP_KERNEL);
                 if (!name)
                         return NULL;
 
diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index cca490c80589..a62f7dd4ba96 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -205,6 +205,25 @@ static unsigned int snd_soc_16_8_read_i2c(struct snd_soc_codec *codec,
 #define snd_soc_16_8_read_i2c NULL
 #endif
 
+#if defined(CONFIG_SPI_MASTER)
+static unsigned int snd_soc_16_8_read_spi(struct snd_soc_codec *codec,
+                                          unsigned int r)
+{
+        struct spi_device *spi = codec->control_data;
+
+        const u16 reg = cpu_to_be16(r | 0x100);
+        u8 data;
+        int ret;
+
+        ret = spi_write_then_read(spi, &reg, 2, &data, 1);
+        if (ret < 0)
+                return 0;
+        return data;
+}
+#else
+#define snd_soc_16_8_read_spi NULL
+#endif
+
 static int snd_soc_16_8_write(struct snd_soc_codec *codec, unsigned int reg,
                               unsigned int value)
 {
@@ -295,6 +314,7 @@ static struct {
         int (*write)(struct snd_soc_codec *codec, unsigned int, unsigned int);
         unsigned int (*read)(struct snd_soc_codec *, unsigned int);
         unsigned int (*i2c_read)(struct snd_soc_codec *, unsigned int);
+        unsigned int (*spi_read)(struct snd_soc_codec *, unsigned int);
 } io_types[] = {
         {
                 .addr_bits = 4, .data_bits = 12,
@@ -318,6 +338,7 @@ static struct {
                 .addr_bits = 16, .data_bits = 8,
                 .write = snd_soc_16_8_write,
                 .i2c_read = snd_soc_16_8_read_i2c,
+                .spi_read = snd_soc_16_8_read_spi,
         },
         {
                 .addr_bits = 16, .data_bits = 16,
@@ -383,6 +404,8 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
 #ifdef CONFIG_SPI_MASTER
                 codec->hw_write = do_spi_write;
 #endif
+                if (io_types[i].spi_read)
+                        codec->hw_read = io_types[i].spi_read;
 
                 codec->control_data = container_of(codec->dev,
                                                    struct spi_device,
diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c
index 7c17b98d5846..38b00131b2fe 100644
--- a/sound/soc/soc-jack.c
+++ b/sound/soc/soc-jack.c
@@ -327,7 +327,7 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
                                               IRQF_TRIGGER_FALLING,
                                               gpios[i].name,
                                               &gpios[i]);
-                if (ret)
+                if (ret < 0)
                         goto err;
 
                 if (gpios[i].wake) {
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index b5759397afa3..2879c883eebc 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -290,6 +290,9 @@ static int soc_pcm_close(struct snd_pcm_substream *substream)
         codec_dai->active--;
         codec->active--;
 
+        if (!cpu_dai->active && !codec_dai->active)
+                rtd->rate = 0;
+
         /* Muting the DAC suppresses artifacts caused during digital
          * shutdown, for example from stopping clocks.
          */
diff --git a/sound/soc/tegra/tegra_wm8903.c b/sound/soc/tegra/tegra_wm8903.c
index 661373c2352a..be27f1d229af 100644
--- a/sound/soc/tegra/tegra_wm8903.c
+++ b/sound/soc/tegra/tegra_wm8903.c
@@ -319,7 +319,7 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
         snd_soc_dapm_force_enable_pin(dapm, "Mic Bias");
 
         /* FIXME: Calculate automatically based on DAPM routes? */
-        if (!machine_is_harmony() && !machine_is_ventana())
+        if (!machine_is_harmony())
                 snd_soc_dapm_nc_pin(dapm, "IN1L");
         if (!machine_is_seaboard() && !machine_is_aebl())
                 snd_soc_dapm_nc_pin(dapm, "IN1R");
@@ -395,7 +395,7 @@ static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev)
         platform_set_drvdata(pdev, card);
         snd_soc_card_set_drvdata(card, machine);
 
-        if (machine_is_harmony() || machine_is_ventana()) {
+        if (machine_is_harmony()) {
                 card->dapm_routes = harmony_audio_map;
                 card->num_dapm_routes = ARRAY_SIZE(harmony_audio_map);
         } else if (machine_is_seaboard()) {
diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
index aa52b3e13bb5..2cf87f5afed4 100644
--- a/sound/usb/caiaq/audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -139,8 +139,12 @@ static void stream_stop(struct snd_usb_caiaqdev *dev)
 
         for (i = 0; i < N_URBS; i++) {
                 usb_kill_urb(dev->data_urbs_in[i]);
-                usb_kill_urb(dev->data_urbs_out[i]);
+
+                if (test_bit(i, &dev->outurb_active_mask))
+                        usb_kill_urb(dev->data_urbs_out[i]);
         }
+
+        dev->outurb_active_mask = 0;
 }
 
 static int snd_usb_caiaq_substream_open(struct snd_pcm_substream *substream)
@@ -612,8 +616,8 @@ static void read_completed(struct urb *urb)
 {
         struct snd_usb_caiaq_cb_info *info = urb->context;
         struct snd_usb_caiaqdev *dev;
-        struct urb *out;
-        int frame, len, send_it = 0, outframe = 0;
+        struct urb *out = NULL;
+        int i, frame, len, send_it = 0, outframe = 0;
         size_t offset = 0;
 
         if (urb->status || !info)
@@ -624,7 +628,17 @@ static void read_completed(struct urb *urb)
         if (!dev->streaming)
                 return;
 
-        out = dev->data_urbs_out[info->index];
+        /* find an unused output urb that is unused */
+        for (i = 0; i < N_URBS; i++)
+                if (test_and_set_bit(i, &dev->outurb_active_mask) == 0) {
+                        out = dev->data_urbs_out[i];
+                        break;
+                }
+
+        if (!out) {
+                log("Unable to find an output urb to use\n");
+                goto requeue;
+        }
 
         /* read the recently received packet and send back one which has
          * the same layout */
@@ -655,8 +669,12 @@ static void read_completed(struct urb *urb)
                 out->number_of_packets = outframe;
                 out->transfer_flags = URB_ISO_ASAP;
                 usb_submit_urb(out, GFP_ATOMIC);
+        } else {
+                struct snd_usb_caiaq_cb_info *oinfo = out->context;
+                clear_bit(oinfo->index, &dev->outurb_active_mask);
         }
 
+requeue:
         /* re-submit inbound urb */
         for (frame = 0; frame < FRAMES_PER_URB; frame++) {
                 urb->iso_frame_desc[frame].offset = BYTES_PER_FRAME * frame;
@@ -678,6 +696,8 @@ static void write_completed(struct urb *urb)
                 dev->output_running = 1;
                 wake_up(&dev->prepare_wait_queue);
         }
+
+        clear_bit(info->index, &dev->outurb_active_mask);
 }
 
 static struct urb **alloc_urbs(struct snd_usb_caiaqdev *dev, int dir, int *ret)
@@ -829,6 +849,9 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev)
         if (!dev->data_cb_info)
                 return -ENOMEM;
 
+        dev->outurb_active_mask = 0;
+        BUILD_BUG_ON(N_URBS > (sizeof(dev->outurb_active_mask) * 8));
+
         for (i = 0; i < N_URBS; i++) {
                 dev->data_cb_info[i].dev = dev;
                 dev->data_cb_info[i].index = i;
diff --git a/sound/usb/caiaq/device.h b/sound/usb/caiaq/device.h
index b2b310194ffa..3f9c6339ae90 100644
--- a/sound/usb/caiaq/device.h
+++ b/sound/usb/caiaq/device.h
@@ -96,6 +96,7 @@ struct snd_usb_caiaqdev {
         int input_panic, output_panic, warned;
         char *audio_in_buf, *audio_out_buf;
         unsigned int samplerates, bpp;
+        unsigned long outurb_active_mask;
 
         struct snd_pcm_substream *sub_playback[MAX_STREAMS];
         struct snd_pcm_substream *sub_capture[MAX_STREAMS];
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index c04d7c71ac88..cdd19d7fe500 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -152,6 +152,7 @@ static inline void check_mapped_dB(const struct usbmix_name_map *p,
         if (p && p->dB) {
                 cval->dBmin = p->dB->min;
                 cval->dBmax = p->dB->max;
+                cval->initialized = 1;
         }
 }
 
@@ -1092,7 +1093,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
                                 " Switch" : " Volume");
                 if (control == UAC_FU_VOLUME) {
                         check_mapped_dB(map, cval);
-                        if (cval->dBmin < cval->dBmax) {
+                        if (cval->dBmin < cval->dBmax || !cval->initialized) {
                                 kctl->tlv.c = mixer_vol_tlv;
                                 kctl->vd[0].access |= 
                                         SNDRV_CTL_ELEM_ACCESS_TLV_READ |
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index f6426b496f4a..6b0519f885e4 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -45,7 +45,7 @@ static int			freq				=   1000;
 static int                      output;
 static int                      pipe_output                     =      0;
 static const char               *output_name                    = NULL;
-static int                      group                           =      0;
+static bool                     group                           =  false;
 static int                      realtime_prio                   =      0;
 static bool                     nodelay                         =  false;
 static bool                     raw_samples                     =  false;
@@ -753,6 +753,8 @@ const struct option record_options[] = {
                     "child tasks do not inherit counters"),
         OPT_UINTEGER('F', "freq", &user_freq, "profile at this frequency"),
         OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"),
+        OPT_BOOLEAN(0, "group", &group,
+                    "put the counters into a counter group"),
         OPT_BOOLEAN('g', "call-graph", &call_graph,
                     "do call-graph (stack chain/backtrace) recording"),
         OPT_INCR('v', "verbose", &verbose,
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 1ad04ce29c34..5deb17d9e795 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -193,6 +193,7 @@ static int			big_num_opt			=  -1;
 static const char               *cpu_list;
 static const char               *csv_sep                        = NULL;
 static bool                     csv_output                      = false;
+static bool                     group                           = false;
 
 static volatile int done = 0;
 
@@ -280,14 +281,14 @@ static int create_perf_stat_counter(struct perf_evsel *evsel)
         attr->inherit = !no_inherit;
 
         if (system_wide)
-                return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, false);
+                return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, group);
 
         if (target_pid == -1 && target_tid == -1) {
                 attr->disabled = 1;
                 attr->enable_on_exec = 1;
         }
 
-        return perf_evsel__open_per_thread(evsel, evsel_list->threads, false);
+        return perf_evsel__open_per_thread(evsel, evsel_list->threads, group);
 }
 
 /*
@@ -1043,6 +1044,8 @@ static const struct option options[] = {
                     "stat events on existing thread id"),
         OPT_BOOLEAN('a', "all-cpus", &system_wide,
                     "system-wide collection from all CPUs"),
+        OPT_BOOLEAN('g', "group", &group,
+                    "put the counters into a counter group"),
         OPT_BOOLEAN('c', "scale", &scale,
                     "scale/normalize counters"),
         OPT_INCR('v', "verbose", &verbose,
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index e03e7bc8205e..c12bd476c6f7 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -85,10 +85,19 @@ int perf_evlist__add_default(struct perf_evlist *evlist)
         struct perf_evsel *evsel = perf_evsel__new(&attr, 0);
 
         if (evsel == NULL)
-                return -ENOMEM;
+                goto error;
+
+        /* use strdup() because free(evsel) assumes name is allocated */
+        evsel->name = strdup("cycles");
+        if (!evsel->name)
+                goto error_free;
 
         perf_evlist__add(evlist, evsel);
         return 0;
+error_free:
+        perf_evsel__delete(evsel);
+error:
+        return -ENOMEM;
 }
 
 void perf_evlist__disable(struct perf_evlist *evlist)
diff --git a/tools/perf/util/include/linux/compiler.h b/tools/perf/util/include/linux/compiler.h
index 791f9dd27ebf..547628e97f3d 100644
--- a/tools/perf/util/include/linux/compiler.h
+++ b/tools/perf/util/include/linux/compiler.h
@@ -5,7 +5,9 @@
 #define __always_inline inline
 #endif
 #define __user
+#ifndef __attribute_const__
 #define __attribute_const__
+#endif
 
 #define __used          __attribute__((__unused__))
 
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 4ea7e19f5251..928918b796b2 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -697,7 +697,11 @@ parse_raw_event(const char **strp, struct perf_event_attr *attr)
                 return EVT_FAILED;
         n = hex2u64(str + 1, &config);
         if (n > 0) {
-                *strp = str + n + 1;
+                const char *end = str + n + 1;
+                if (*end != '\0' && *end != ',' && *end != ':')
+                        return EVT_FAILED;
+
+                *strp = end;
                 attr->type = PERF_TYPE_RAW;
                 attr->config = config;
                 return EVT_HANDLED;
@@ -1097,6 +1101,4 @@ void print_events(const char *event_glob)
         printf("\n");
 
         print_tracepoint_events(NULL, NULL);
-
-        exit(129);
 }
diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index 94c2cf0a98b8..e8a03aceceb1 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -24,7 +24,7 @@
 
 # Set the following to `true' to make a unstripped, unoptimized
 # binary. Leave this set to `false' for production use.
-DEBUG ?=        false
+DEBUG ?=        true
 
 # make the build silent. Set this to something else to make it noisy again.
 V ?=            false
@@ -35,7 +35,7 @@ NLS ?=		true
 
 # Set the following to 'true' to build/install the
 # cpufreq-bench benchmarking tool
-CPUFRQ_BENCH ?= true
+CPUFREQ_BENCH ?= true
 
 # Prefix to the directories we're installing to
 DESTDIR ?=
@@ -137,9 +137,10 @@ CFLAGS +=	-pipe
 ifeq ($(strip $(NLS)),true)
         INSTALL_NLS += install-gmo
         COMPILE_NLS += create-gmo
+        CFLAGS += -DNLS
 endif
 
-ifeq ($(strip $(CPUFRQ_BENCH)),true)
+ifeq ($(strip $(CPUFREQ_BENCH)),true)
         INSTALL_BENCH += install-bench
         COMPILE_BENCH += compile-bench
 endif
diff --git a/tools/power/cpupower/debug/x86_64/Makefile b/tools/power/cpupower/debug/x86_64/Makefile
index dbf13998462a..3326217dd311 100644
--- a/tools/power/cpupower/debug/x86_64/Makefile
+++ b/tools/power/cpupower/debug/x86_64/Makefile
@@ -1,10 +1,10 @@
 default: all
 
-centrino-decode: centrino-decode.c
-        $(CC) $(CFLAGS) -o centrino-decode centrino-decode.c
+centrino-decode: ../i386/centrino-decode.c
+        $(CC) $(CFLAGS) -o $@ $<
 
-powernow-k8-decode: powernow-k8-decode.c
-        $(CC) $(CFLAGS) -o powernow-k8-decode powernow-k8-decode.c
+powernow-k8-decode: ../i386/powernow-k8-decode.c
+        $(CC) $(CFLAGS) -o $@ $<
 
 all: centrino-decode powernow-k8-decode
 
diff --git a/tools/power/cpupower/debug/x86_64/centrino-decode.c b/tools/power/cpupower/debug/x86_64/centrino-decode.c
deleted file mode 120000
index 26fb3f1d8fc7..000000000000
--- a/tools/power/cpupower/debug/x86_64/centrino-decode.c
+++ /dev/null
@@ -1 +0,0 @@
-../i386/centrino-decode.c
\ No newline at end of file
diff --git a/tools/power/cpupower/debug/x86_64/powernow-k8-decode.c b/tools/power/cpupower/debug/x86_64/powernow-k8-decode.c
deleted file mode 120000
index eb30c79cf9df..000000000000
--- a/tools/power/cpupower/debug/x86_64/powernow-k8-decode.c
+++ /dev/null
@@ -1 +0,0 @@
-../i386/powernow-k8-decode.c
\ No newline at end of file
diff --git a/tools/power/cpupower/man/cpupower-frequency-info.1 b/tools/power/cpupower/man/cpupower-frequency-info.1
index 3194811d58f5..bb60a8d1e45a 100644
--- a/tools/power/cpupower/man/cpupower-frequency-info.1
+++ b/tools/power/cpupower/man/cpupower-frequency-info.1
@@ -1,10 +1,10 @@
-.TH "cpufreq-info" "1" "0.1" "Mattia Dongili" ""
+.TH "cpupower-frequency-info" "1" "0.1" "Mattia Dongili" ""
 .SH "NAME"
 .LP 
-cpufreq\-info \- Utility to retrieve cpufreq kernel information
+cpupower frequency\-info \- Utility to retrieve cpufreq kernel information
 .SH "SYNTAX"
 .LP 
-cpufreq\-info [\fIoptions\fP]
+cpupower [ \-c cpulist ] frequency\-info [\fIoptions\fP]
 .SH "DESCRIPTION"
 .LP 
 A small tool which prints out cpufreq information helpful to developers and interested users.
diff --git a/tools/power/cpupower/man/cpupower-frequency-set.1 b/tools/power/cpupower/man/cpupower-frequency-set.1
index 26e3e13eee3b..685f469093ad 100644
--- a/tools/power/cpupower/man/cpupower-frequency-set.1
+++ b/tools/power/cpupower/man/cpupower-frequency-set.1
@@ -1,13 +1,13 @@
-.TH "cpufreq-set" "1" "0.1" "Mattia Dongili" ""
+.TH "cpupower-freqency-set" "1" "0.1" "Mattia Dongili" ""
 .SH "NAME"
 .LP 
-cpufreq\-set \- A small tool which allows to modify cpufreq settings.
+cpupower frequency\-set \- A small tool which allows to modify cpufreq settings.
 .SH "SYNTAX"
 .LP 
-cpufreq\-set [\fIoptions\fP]
+cpupower [ \-c cpu ] frequency\-set [\fIoptions\fP]
 .SH "DESCRIPTION"
 .LP 
-cpufreq\-set allows you to modify cpufreq settings without having to type e.g. "/sys/devices/system/cpu/cpu0/cpufreq/scaling_set_speed" all the time.
+cpupower frequency\-set allows you to modify cpufreq settings without having to type e.g. "/sys/devices/system/cpu/cpu0/cpufreq/scaling_set_speed" all the time.
 .SH "OPTIONS"
 .LP 
 .TP 
diff --git a/tools/power/cpupower/man/cpupower.1 b/tools/power/cpupower/man/cpupower.1
index 78c20feab85c..baf741d06e82 100644
--- a/tools/power/cpupower/man/cpupower.1
+++ b/tools/power/cpupower/man/cpupower.1
@@ -3,7 +3,7 @@
 cpupower \- Shows and sets processor power related values
 .SH SYNOPSIS
 .ft B
-.B cpupower [ \-c cpulist ] subcommand [ARGS]
+.B cpupower [ \-c cpulist ] <command> [ARGS]
 
 .B cpupower \-v|\-\-version
 
@@ -13,24 +13,24 @@ cpupower \- Shows and sets processor power related values
 \fBcpupower \fP is a collection of tools to examine and tune power saving
 related features of your processor.
 
-The manpages of the subcommands (cpupower\-<subcommand>(1)) provide detailed
+The manpages of the commands (cpupower\-<command>(1)) provide detailed
 descriptions of supported features. Run \fBcpupower help\fP to get an overview
-of supported subcommands.
+of supported commands.
 
 .SH Options
 .PP
 \-\-help, \-h
 .RS 4
-Shows supported subcommands and general usage.
+Shows supported commands and general usage.
 .RE
 .PP
 \-\-cpu cpulist,  \-c cpulist
 .RS 4
 Only show or set values for specific cores.
-This option is not supported by all subcommands, details can be found in the
-manpages of the subcommands.
+This option is not supported by all commands, details can be found in the
+manpages of the commands.
 
-Some subcommands access all cores (typically the *\-set commands), some only
+Some commands access all cores (typically the *\-set commands), some only
 the first core (typically the *\-info commands) by default.
 
 The syntax for <cpulist> is based on how the kernel exports CPU bitmasks via
diff --git a/tools/power/cpupower/utils/builtin.h b/tools/power/cpupower/utils/builtin.h
index c870ffba5219..c10496fbe3c6 100644
--- a/tools/power/cpupower/utils/builtin.h
+++ b/tools/power/cpupower/utils/builtin.h
@@ -8,11 +8,4 @@ extern int cmd_freq_info(int argc, const char **argv);
 extern int cmd_idle_info(int argc, const char **argv);
 extern int cmd_monitor(int argc, const char **argv);
 
-extern void set_help(void);
-extern void info_help(void);
-extern void freq_set_help(void);
-extern void freq_info_help(void);
-extern void idle_info_help(void);
-extern void monitor_help(void);
-
 #endif
diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c
index 5a1d25f056b3..28953c9a7bd5 100644
--- a/tools/power/cpupower/utils/cpufreq-info.c
+++ b/tools/power/cpupower/utils/cpufreq-info.c
@@ -510,37 +510,6 @@ static int get_latency(unsigned int cpu, unsigned int human)
         return 0;
 }
 
-void freq_info_help(void)
-{
-        printf(_("Usage: cpupower freqinfo [options]\n"));
-        printf(_("Options:\n"));
-        printf(_("  -e, --debug          Prints out debug information [default]\n"));
-        printf(_("  -f, --freq           Get frequency the CPU currently runs at, according\n"
-               "                       to the cpufreq core *\n"));
-        printf(_("  -w, --hwfreq         Get frequency the CPU currently runs at, by reading\n"
-               "                       it from hardware (only available to root) *\n"));
-        printf(_("  -l, --hwlimits       Determine the minimum and maximum CPU frequency allowed *\n"));
-        printf(_("  -d, --driver         Determines the used cpufreq kernel driver *\n"));
-        printf(_("  -p, --policy         Gets the currently used cpufreq policy *\n"));
-        printf(_("  -g, --governors      Determines available cpufreq governors *\n"));
-        printf(_("  -r, --related-cpus   Determines which CPUs run at the same hardware frequency *\n"));
-        printf(_("  -a, --affected-cpus  Determines which CPUs need to have their frequency\n"
-                        "                       coordinated by software *\n"));
-        printf(_("  -s, --stats          Shows cpufreq statistics if available\n"));
-        printf(_("  -y, --latency        Determines the maximum latency on CPU frequency changes *\n"));
-        printf(_("  -b, --boost          Checks for turbo or boost modes  *\n"));
-        printf(_("  -o, --proc           Prints out information like provided by the /proc/cpufreq\n"
-               "                       interface in 2.4. and early 2.6. kernels\n"));
-        printf(_("  -m, --human          human-readable output for the -f, -w, -s and -y parameters\n"));
-        printf(_("  -h, --help           Prints out this screen\n"));
-
-        printf("\n");
-        printf(_("If no argument is given, full output about\n"
-               "cpufreq is printed which is useful e.g. for reporting bugs.\n\n"));
-        printf(_("By default info of CPU 0 is shown which can be overridden\n"
-                 "with the cpupower --cpu main command option.\n"));
-}
-
 static struct option info_opts[] = {
         { .name = "debug",      .has_arg = no_argument,         .flag = NULL,   .val = 'e'},
         { .name = "boost",      .has_arg = no_argument,         .flag = NULL,   .val = 'b'},
@@ -556,7 +525,6 @@ static struct option info_opts[] = {
         { .name = "latency",    .has_arg = no_argument,         .flag = NULL,   .val = 'y'},
         { .name = "proc",       .has_arg = no_argument,         .flag = NULL,   .val = 'o'},
         { .name = "human",      .has_arg = no_argument,         .flag = NULL,   .val = 'm'},
-        { .name = "help",       .has_arg = no_argument,         .flag = NULL,   .val = 'h'},
         { },
 };
 
@@ -570,16 +538,12 @@ int cmd_freq_info(int argc, char **argv)
         int output_param = 0;
 
         do {
-                ret = getopt_long(argc, argv, "hoefwldpgrasmyb", info_opts, NULL);
+                ret = getopt_long(argc, argv, "oefwldpgrasmyb", info_opts, NULL);
                 switch (ret) {
                 case '?':
                         output_param = '?';
                         cont = 0;
                         break;
-                case 'h':
-                        output_param = 'h';
-                        cont = 0;
-                        break;
                 case -1:
                         cont = 0;
                         break;
@@ -642,11 +606,7 @@ int cmd_freq_info(int argc, char **argv)
                 return -EINVAL;
         case '?':
                 printf(_("invalid or unknown argument\n"));
-                freq_info_help();
                 return -EINVAL;
-        case 'h':
-                freq_info_help();
-                return EXIT_SUCCESS;
         case 'o':
                 proc_cpufreq_output();
                 return EXIT_SUCCESS;
diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c
index 5f783622bf31..dd1539eb8c63 100644
--- a/tools/power/cpupower/utils/cpufreq-set.c
+++ b/tools/power/cpupower/utils/cpufreq-set.c
@@ -20,34 +20,11 @@
 
 #define NORM_FREQ_LEN 32
 
-void freq_set_help(void)
-{
-        printf(_("Usage: cpupower frequency-set [options]\n"));
-        printf(_("Options:\n"));
-        printf(_("  -d FREQ, --min FREQ      new minimum CPU frequency the governor may select\n"));
-        printf(_("  -u FREQ, --max FREQ      new maximum CPU frequency the governor may select\n"));
-        printf(_("  -g GOV, --governor GOV   new cpufreq governor\n"));
-        printf(_("  -f FREQ, --freq FREQ     specific frequency to be set. Requires userspace\n"
-               "                           governor to be available and loaded\n"));
-        printf(_("  -r, --related            Switches all hardware-related CPUs\n"));
-        printf(_("  -h, --help               Prints out this screen\n"));
-        printf("\n");
-        printf(_("Notes:\n"
-               "1. Omitting the -c or --cpu argument is equivalent to setting it to \"all\"\n"));
-        printf(_("2. The -f FREQ, --freq FREQ parameter cannot be combined with any other parameter\n"
-               "   except the -c CPU, --cpu CPU parameter\n"
-               "3. FREQuencies can be passed in Hz, kHz (default), MHz, GHz, or THz\n"
-               "   by postfixing the value with the wanted unit name, without any space\n"
-               "   (FREQuency in kHz =^ Hz * 0.001 =^ MHz * 1000 =^ GHz * 1000000).\n"));
-
-}
-
 static struct option set_opts[] = {
         { .name = "min",        .has_arg = required_argument,   .flag = NULL,   .val = 'd'},
         { .name = "max",        .has_arg = required_argument,   .flag = NULL,   .val = 'u'},
         { .name = "governor",   .has_arg = required_argument,   .flag = NULL,   .val = 'g'},
         { .name = "freq",       .has_arg = required_argument,   .flag = NULL,   .val = 'f'},
-        { .name = "help",       .has_arg = no_argument,         .flag = NULL,   .val = 'h'},
         { .name = "related",    .has_arg = no_argument,         .flag = NULL,   .val='r'},
         { },
 };
@@ -80,7 +57,6 @@ const struct freq_units def_units[] = {
 static void print_unknown_arg(void)
 {
         printf(_("invalid or unknown argument\n"));
-        freq_set_help();
 }
 
 static unsigned long string_to_frequency(const char *str)
@@ -231,14 +207,11 @@ int cmd_freq_set(int argc, char **argv)
 
         /* parameter parsing */
         do {
-                ret = getopt_long(argc, argv, "d:u:g:f:hr", set_opts, NULL);
+                ret = getopt_long(argc, argv, "d:u:g:f:r", set_opts, NULL);
                 switch (ret) {
                 case '?':
                         print_unknown_arg();
                         return -EINVAL;
-                case 'h':
-                        freq_set_help();
-                        return 0;
                 case -1:
                         cont = 0;
                         break;
diff --git a/tools/power/cpupower/utils/cpuidle-info.c b/tools/power/cpupower/utils/cpuidle-info.c
index 70da3574f1e9..b028267c1376 100644
--- a/tools/power/cpupower/utils/cpuidle-info.c
+++ b/tools/power/cpupower/utils/cpuidle-info.c
@@ -139,30 +139,14 @@ static void proc_cpuidle_cpu_output(unsigned int cpu)
         }
 }
 
-/* --freq / -f */
-
-void idle_info_help(void)
-{
-        printf(_ ("Usage: cpupower idleinfo [options]\n"));
-        printf(_ ("Options:\n"));
-        printf(_ ("  -s, --silent         Only show general C-state information\n"));
-        printf(_ ("  -o, --proc           Prints out information like provided by the /proc/acpi/processor/*/power\n"
-               "                       interface in older kernels\n"));
-        printf(_ ("  -h, --help           Prints out this screen\n"));
-
-        printf("\n");
-}
-
 static struct option info_opts[] = {
         { .name = "silent",     .has_arg = no_argument, .flag = NULL,   .val = 's'},
         { .name = "proc",       .has_arg = no_argument, .flag = NULL,   .val = 'o'},
-        { .name = "help",       .has_arg = no_argument, .flag = NULL,   .val = 'h'},
         { },
 };
 
 static inline void cpuidle_exit(int fail)
 {
-        idle_info_help();
         exit(EXIT_FAILURE);
 }
 
@@ -174,7 +158,7 @@ int cmd_idle_info(int argc, char **argv)
         unsigned int cpu = 0;
 
         do {
-                ret = getopt_long(argc, argv, "hos", info_opts, NULL);
+                ret = getopt_long(argc, argv, "os", info_opts, NULL);
                 if (ret == -1)
                         break;
                 switch (ret) {
@@ -182,10 +166,6 @@ int cmd_idle_info(int argc, char **argv)
                         output_param = '?';
                         cont = 0;
                         break;
-                case 'h':
-                        output_param = 'h';
-                        cont = 0;
-                        break;
                 case 's':
                         verbose = 0;
                         break;
@@ -211,8 +191,6 @@ int cmd_idle_info(int argc, char **argv)
         case '?':
                 printf(_("invalid or unknown argument\n"));
                 cpuidle_exit(EXIT_FAILURE);
-        case 'h':
-                cpuidle_exit(EXIT_SUCCESS);
         }
 
         /* Default is: show output of CPU 0 only */
diff --git a/tools/power/cpupower/utils/cpupower-info.c b/tools/power/cpupower/utils/cpupower-info.c
index 85253cb7600e..3f68632c28c7 100644
--- a/tools/power/cpupower/utils/cpupower-info.c
+++ b/tools/power/cpupower/utils/cpupower-info.c
@@ -16,31 +16,16 @@
 #include "helpers/helpers.h"
 #include "helpers/sysfs.h"
 
-void info_help(void)
-{
-        printf(_("Usage: cpupower info [ -b ] [ -m ] [ -s ]\n"));
-        printf(_("Options:\n"));
-        printf(_("  -b, --perf-bias    Gets CPU's power vs performance policy on some\n"
-               "                           Intel models [0-15], see manpage for details\n"));
-        printf(_("  -m, --sched-mc     Gets the kernel's multi core scheduler policy.\n"));
-        printf(_("  -s, --sched-smt    Gets the kernel's thread sibling scheduler policy.\n"));
-        printf(_("  -h, --help               Prints out this screen\n"));
-        printf(_("\nPassing no option will show all info, by default only on core 0\n"));
-        printf("\n");
-}
-
 static struct option set_opts[] = {
         { .name = "perf-bias",  .has_arg = optional_argument,   .flag = NULL,   .val = 'b'},
         { .name = "sched-mc",   .has_arg = optional_argument,   .flag = NULL,   .val = 'm'},
         { .name = "sched-smt",  .has_arg = optional_argument,   .flag = NULL,   .val = 's'},
-        { .name = "help",       .has_arg = no_argument,         .flag = NULL,   .val = 'h'},
         { },
 };
 
 static void print_wrong_arg_exit(void)
 {
         printf(_("invalid or unknown argument\n"));
-        info_help();
         exit(EXIT_FAILURE);
 }
 
@@ -64,11 +49,8 @@ int cmd_info(int argc, char **argv)
         textdomain(PACKAGE);
 
         /* parameter parsing */
-        while ((ret = getopt_long(argc, argv, "msbh", set_opts, NULL)) != -1) {
+        while ((ret = getopt_long(argc, argv, "msb", set_opts, NULL)) != -1) {
                 switch (ret) {
-                case 'h':
-                        info_help();
-                        return 0;
                 case 'b':
                         if (params.perf_bias)
                                 print_wrong_arg_exit();
diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c
index bc1b391e46f0..dc4de3762111 100644
--- a/tools/power/cpupower/utils/cpupower-set.c
+++ b/tools/power/cpupower/utils/cpupower-set.c
@@ -17,30 +17,16 @@
 #include "helpers/sysfs.h"
 #include "helpers/bitmask.h"
 
-void set_help(void)
-{
-        printf(_("Usage: cpupower set [ -b val ] [ -m val ] [ -s val ]\n"));
-        printf(_("Options:\n"));
-        printf(_("  -b, --perf-bias [VAL]    Sets CPU's power vs performance policy on some\n"
-               "                           Intel models [0-15], see manpage for details\n"));
-        printf(_("  -m, --sched-mc  [VAL]    Sets the kernel's multi core scheduler policy.\n"));
-        printf(_("  -s, --sched-smt [VAL]    Sets the kernel's thread sibling scheduler policy.\n"));
-        printf(_("  -h, --help               Prints out this screen\n"));
-        printf("\n");
-}
-
 static struct option set_opts[] = {
         { .name = "perf-bias",  .has_arg = optional_argument,   .flag = NULL,   .val = 'b'},
         { .name = "sched-mc",   .has_arg = optional_argument,   .flag = NULL,   .val = 'm'},
         { .name = "sched-smt",  .has_arg = optional_argument,   .flag = NULL,   .val = 's'},
-        { .name = "help",       .has_arg = no_argument,         .flag = NULL,   .val = 'h'},
         { },
 };
 
 static void print_wrong_arg_exit(void)
 {
         printf(_("invalid or unknown argument\n"));
-        set_help();
         exit(EXIT_FAILURE);
 }
 
@@ -66,12 +52,9 @@ int cmd_set(int argc, char **argv)
 
         params.params = 0;
         /* parameter parsing */
-        while ((ret = getopt_long(argc, argv, "m:s:b:h",
+        while ((ret = getopt_long(argc, argv, "m:s:b:",
                                                 set_opts, NULL)) != -1) {
                 switch (ret) {
-                case 'h':
-                        set_help();
-                        return 0;
                 case 'b':
                         if (params.perf_bias)
                                 print_wrong_arg_exit();
@@ -110,10 +93,8 @@ int cmd_set(int argc, char **argv)
                 }
         };
 
-        if (!params.params) {
-                set_help();
-                return -EINVAL;
-        }
+        if (!params.params)
+                print_wrong_arg_exit();
 
         if (params.sched_mc) {
                 ret = sysfs_set_sched("mc", sched_mc);
diff --git a/tools/power/cpupower/utils/cpupower.c b/tools/power/cpupower/utils/cpupower.c
index 5844ae0f786f..52bee591c1c5 100644
--- a/tools/power/cpupower/utils/cpupower.c
+++ b/tools/power/cpupower/utils/cpupower.c
@@ -11,6 +11,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <errno.h>
 
 #include "builtin.h"
 #include "helpers/helpers.h"
@@ -19,13 +20,12 @@
 struct cmd_struct {
         const char *cmd;
         int (*main)(int, const char **);
-        void (*usage)(void);
         int needs_root;
 };
 
 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
 
-int cmd_help(int argc, const char **argv);
+static int cmd_help(int argc, const char **argv);
 
 /* Global cpu_info object available for all binaries
  * Info only retrieved from CPU 0
@@ -44,55 +44,66 @@ int be_verbose;
 static void print_help(void);
 
 static struct cmd_struct commands[] = {
-        { "frequency-info",     cmd_freq_info,  freq_info_help, 0       },
-        { "frequency-set",      cmd_freq_set,   freq_set_help,  1       },
-        { "idle-info",          cmd_idle_info,  idle_info_help, 0       },
-        { "set",                cmd_set,        set_help,       1       },
-        { "info",               cmd_info,       info_help,      0       },
-        { "monitor",            cmd_monitor,    monitor_help,   0       },
-        { "help",               cmd_help,       print_help,     0       },
-        /*      { "bench",      cmd_bench,      NULL,           1       }, */
+        { "frequency-info",     cmd_freq_info,  0       },
+        { "frequency-set",      cmd_freq_set,   1       },
+        { "idle-info",          cmd_idle_info,  0       },
+        { "set",                cmd_set,        1       },
+        { "info",               cmd_info,       0       },
+        { "monitor",            cmd_monitor,    0       },
+        { "help",               cmd_help,       0       },
+        /*      { "bench",      cmd_bench,      1       }, */
 };
 
-int cmd_help(int argc, const char **argv)
-{
-        unsigned int i;
-
-        if (argc > 1) {
-                for (i = 0; i < ARRAY_SIZE(commands); i++) {
-                        struct cmd_struct *p = commands + i;
-                        if (strcmp(p->cmd, argv[1]))
-                                continue;
-                        if (p->usage) {
-                                p->usage();
-                                return EXIT_SUCCESS;
-                        }
-                }
-        }
-        print_help();
-        if (argc == 1)
-                return EXIT_SUCCESS; /* cpupower help */
-        return EXIT_FAILURE;
-}
-
 static void print_help(void)
 {
         unsigned int i;
 
 #ifdef DEBUG
-        printf(_("cpupower [ -d ][ -c cpulist ] subcommand [ARGS]\n"));
-        printf(_("  -d, --debug      May increase output (stderr) on some subcommands\n"));
+        printf(_("Usage:\tcpupower [-d|--debug] [-c|--cpu cpulist ] <command> [<args>]\n"));
 #else
-        printf(_("cpupower [ -c cpulist ] subcommand [ARGS]\n"));
+        printf(_("Usage:\tcpupower [-c|--cpu cpulist ] <command> [<args>]\n"));
 #endif
-        printf(_("cpupower --version\n"));
-        printf(_("Supported subcommands are:\n"));
+        printf(_("Supported commands are:\n"));
         for (i = 0; i < ARRAY_SIZE(commands); i++)
                 printf("\t%s\n", commands[i].cmd);
-        printf(_("\nSome subcommands can make use of the -c cpulist option.\n"));
-        printf(_("Look at the general cpupower manpage how to use it\n"));
-        printf(_("and read up the subcommand's manpage whether it is supported.\n"));
-        printf(_("\nUse cpupower help subcommand for getting help for above subcommands.\n"));
+        printf(_("\nNot all commands can make use of the -c cpulist option.\n"));
+        printf(_("\nUse 'cpupower help <command>' for getting help for above commands.\n"));
+}
+
+static int print_man_page(const char *subpage)
+{
+        int len;
+        char *page;
+
+        len = 10; /* enough for "cpupower-" */
+        if (subpage != NULL)
+                len += strlen(subpage);
+
+        page = malloc(len);
+        if (!page)
+                return -ENOMEM;
+
+        sprintf(page, "cpupower");
+        if ((subpage != NULL) && strcmp(subpage, "help")) {
+                strcat(page, "-");
+                strcat(page, subpage);
+        }
+
+        execlp("man", "man", page, NULL);
+
+        /* should not be reached */
+        return -EINVAL;
+}
+
+static int cmd_help(int argc, const char **argv)
+{
+        if (argc > 1) {
+                print_man_page(argv[1]); /* exits within execlp() */
+                return EXIT_FAILURE;
+        }
+
+        print_help();
+        return EXIT_SUCCESS;
 }
 
 static void print_version(void)
diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h
index 592ee362b877..2747e738efb0 100644
--- a/tools/power/cpupower/utils/helpers/helpers.h
+++ b/tools/power/cpupower/utils/helpers/helpers.h
@@ -16,11 +16,20 @@
 #include "helpers/bitmask.h"
 
 /* Internationalization ****************************/
+#ifdef NLS
+
 #define _(String) gettext(String)
 #ifndef gettext_noop
 #define gettext_noop(String) String
 #endif
 #define N_(String) gettext_noop(String)
+
+#else /* !NLS */
+
+#define _(String) String
+#define N_(String) String
+
+#endif
 /* Internationalization ****************************/
 
 extern int run_as_root;
@@ -96,6 +105,9 @@ struct cpupower_topology {
                 int pkg;
                 int core;
                 int cpu;
+
+                /* flags */
+                unsigned int is_online:1;
         } *core_info;
 };
 
diff --git a/tools/power/cpupower/utils/helpers/sysfs.c b/tools/power/cpupower/utils/helpers/sysfs.c
index 55e2466674c6..c6343024a611 100644
--- a/tools/power/cpupower/utils/helpers/sysfs.c
+++ b/tools/power/cpupower/utils/helpers/sysfs.c
@@ -56,6 +56,56 @@ static unsigned int sysfs_write_file(const char *path,
         return (unsigned int) numwrite;
 }
 
+/*
+ * Detect whether a CPU is online
+ *
+ * Returns:
+ *     1 -> if CPU is online
+ *     0 -> if CPU is offline
+ *     negative errno values in error case
+ */
+int sysfs_is_cpu_online(unsigned int cpu)
+{
+        char path[SYSFS_PATH_MAX];
+        int fd;
+        ssize_t numread;
+        unsigned long long value;
+        char linebuf[MAX_LINE_LEN];
+        char *endp;
+        struct stat statbuf;
+
+        snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u", cpu);
+
+        if (stat(path, &statbuf) != 0)
+                return 0;
+
+        /*
+         * kernel without CONFIG_HOTPLUG_CPU
+         * -> cpuX directory exists, but not cpuX/online file
+         */
+        snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/online", cpu);
+        if (stat(path, &statbuf) != 0)
+                return 1;
+
+        fd = open(path, O_RDONLY);
+        if (fd == -1)
+                return -errno;
+
+        numread = read(fd, linebuf, MAX_LINE_LEN - 1);
+        if (numread < 1) {
+                close(fd);
+                return -EIO;
+        }
+        linebuf[numread] = '\0';
+        close(fd);
+
+        value = strtoull(linebuf, &endp, 0);
+        if (value > 1 || value < 0)
+                return -EINVAL;
+
+        return value;
+}
+
 /* CPUidle idlestate specific /sys/devices/system/cpu/cpuX/cpuidle/ access */
 
 /*
diff --git a/tools/power/cpupower/utils/helpers/sysfs.h b/tools/power/cpupower/utils/helpers/sysfs.h
index f9373e090637..8cb797bbceb0 100644
--- a/tools/power/cpupower/utils/helpers/sysfs.h
+++ b/tools/power/cpupower/utils/helpers/sysfs.h
@@ -7,6 +7,8 @@
 
 extern unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
 
+extern int sysfs_is_cpu_online(unsigned int cpu);
+
 extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu,
                                                 unsigned int idlestate);
 extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu,
diff --git a/tools/power/cpupower/utils/helpers/topology.c b/tools/power/cpupower/utils/helpers/topology.c
index 385ee5c7570c..4eae2c47ba48 100644
--- a/tools/power/cpupower/utils/helpers/topology.c
+++ b/tools/power/cpupower/utils/helpers/topology.c
@@ -41,6 +41,8 @@ struct cpuid_core_info {
         unsigned int pkg;
         unsigned int thread;
         unsigned int cpu;
+        /* flags */
+        unsigned int is_online:1;
 };
 
 static int __compare(const void *t1, const void *t2)
@@ -78,6 +80,8 @@ int get_cpu_topology(struct cpupower_topology *cpu_top)
                 return -ENOMEM;
         cpu_top->pkgs = cpu_top->cores = 0;
         for (cpu = 0; cpu < cpus; cpu++) {
+                cpu_top->core_info[cpu].cpu = cpu;
+                cpu_top->core_info[cpu].is_online = sysfs_is_cpu_online(cpu);
                 cpu_top->core_info[cpu].pkg =
                         sysfs_topology_read_file(cpu, "physical_package_id");
                 if ((int)cpu_top->core_info[cpu].pkg != -1 &&
@@ -85,7 +89,6 @@ int get_cpu_topology(struct cpupower_topology *cpu_top)
                         cpu_top->pkgs = cpu_top->core_info[cpu].pkg;
                 cpu_top->core_info[cpu].core =
                         sysfs_topology_read_file(cpu, "core_id");
-                cpu_top->core_info[cpu].cpu = cpu;
         }
         cpu_top->pkgs++;
 
diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
index d048b96a6155..bcd22a1a3970 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
@@ -134,7 +134,7 @@ static struct cpuidle_monitor *cpuidle_register(void)
         /* Assume idle state count is the same for all CPUs */
         cpuidle_sysfs_monitor.hw_states_num = sysfs_get_idlestate_count(0);
 
-        if (cpuidle_sysfs_monitor.hw_states_num == 0)
+        if (cpuidle_sysfs_monitor.hw_states_num <= 0)
                 return NULL;
 
         for (num = 0; num < cpuidle_sysfs_monitor.hw_states_num; num++) {
diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
index ba4bf068380d..0d6571e418db 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
@@ -43,6 +43,12 @@ static struct cpupower_topology cpu_top;
 /* ToDo: Document this in the manpage */
 static char range_abbr[RANGE_MAX] = { 'T', 'C', 'P', 'M', };
 
+static void print_wrong_arg_exit(void)
+{
+        printf(_("invalid or unknown argument\n"));
+        exit(EXIT_FAILURE);
+}
+
 long long timespec_diff_us(struct timespec start, struct timespec end)
 {
         struct timespec temp;
@@ -56,21 +62,6 @@ long long timespec_diff_us(struct timespec start, struct timespec end)
         return (temp.tv_sec * 1000000) + (temp.tv_nsec / 1000);
 }
 
-void monitor_help(void)
-{
-        printf(_("cpupower monitor: [-m <mon1>,[<mon2>],.. ] command\n"));
-        printf(_("cpupower monitor: [-m <mon1>,[<mon2>],.. ] [ -i interval_sec ]\n"));
-        printf(_("cpupower monitor: -l\n"));
-        printf(_("\t command: pass an arbitrary command to measure specific workload\n"));
-        printf(_("\t -i: time intervall to measure for in seconds (default 1)\n"));
-        printf(_("\t -l: list available CPU sleep monitors (for use with -m)\n"));
-        printf(_("\t -m: show specific CPU sleep monitors only (in same order)\n"));
-        printf(_("\t -h: print this help\n"));
-        printf("\n");
-        printf(_("only one of: -l, -m are allowed\nIf none of them is passed,"));
-        printf(_(" all supported monitors are shown\n"));
-}
-
 void print_n_spaces(int n)
 {
         int x;
@@ -149,6 +140,10 @@ void print_results(int topology_depth, int cpu)
         unsigned long long result;
         cstate_t s;
 
+        /* Be careful CPUs may got resorted for pkg value do not just use cpu */
+        if (!bitmask_isbitset(cpus_chosen, cpu_top.core_info[cpu].cpu))
+                return;
+
         if (topology_depth > 2)
                 printf("%4d|", cpu_top.core_info[cpu].pkg);
         if (topology_depth > 1)
@@ -190,9 +185,13 @@ void print_results(int topology_depth, int cpu)
                         }
                 }
         }
-        /* cpu offline */
-        if (cpu_top.core_info[cpu].pkg == -1 ||
-            cpu_top.core_info[cpu].core == -1) {
+        /*
+         * The monitor could still provide useful data, for example
+         * AMD HW counters partly sit in PCI config space.
+         * It's up to the monitor plug-in to check .is_online, this one
+         * is just for additional info.
+         */
+        if (!cpu_top.core_info[cpu].is_online) {
                 printf(_(" *is offline\n"));
                 return;
         } else
@@ -238,7 +237,6 @@ static void parse_monitor_param(char *param)
         if (hits == 0) {
                 printf(_("No matching monitor found in %s, "
                          "try -l option\n"), param);
-                monitor_help();
                 exit(EXIT_FAILURE);
         }
         /* Override detected/registerd monitors array with requested one */
@@ -335,37 +333,27 @@ static void cmdline(int argc, char *argv[])
         int opt;
         progname = basename(argv[0]);
 
-        while ((opt = getopt(argc, argv, "+hli:m:")) != -1) {
+        while ((opt = getopt(argc, argv, "+li:m:")) != -1) {
                 switch (opt) {
-                case 'h':
-                        monitor_help();
-                        exit(EXIT_SUCCESS);
                 case 'l':
-                        if (mode) {
-                                monitor_help();
-                                exit(EXIT_FAILURE);
-                        }
+                        if (mode)
+                                print_wrong_arg_exit();
                         mode = list;
                         break;
                 case 'i':
                         /* only allow -i with -m or no option */
-                        if (mode && mode != show) {
-                                monitor_help();
-                                exit(EXIT_FAILURE);
-                        }
+                        if (mode && mode != show)
+                                print_wrong_arg_exit();
                         interval = atoi(optarg);
                         break;
                 case 'm':
-                        if (mode) {
-                                monitor_help();
-                                exit(EXIT_FAILURE);
-                        }
+                        if (mode)
+                                print_wrong_arg_exit();
                         mode = show;
                         show_monitors_param = optarg;
                         break;
                 default:
-                        monitor_help();
-                        exit(EXIT_FAILURE);
+                        print_wrong_arg_exit();
                 }
         }
         if (!mode)
@@ -385,6 +373,10 @@ int cmd_monitor(int argc, char **argv)
                 return EXIT_FAILURE;
         }
 
+        /* Default is: monitor all CPUs */
+        if (bitmask_isallclear(cpus_chosen))
+                bitmask_setall(cpus_chosen);
+
         dprint("System has up to %d CPU cores\n", cpu_count);
 
         for (num = 0; all_monitors[num]; num++) {
diff --git a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
index 63ca87a05e5f..5650ab5a2c20 100644
--- a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
+++ b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
@@ -22,12 +22,15 @@
 
 #define MSR_TSC 0x10
 
+#define MSR_AMD_HWCR 0xc0010015
+
 enum mperf_id { C0 = 0, Cx, AVG_FREQ, MPERF_CSTATE_COUNT };
 
 static int mperf_get_count_percent(unsigned int self_id, double *percent,
                                    unsigned int cpu);
 static int mperf_get_count_freq(unsigned int id, unsigned long long *count,
                                 unsigned int cpu);
+static struct timespec time_start, time_end;
 
 static cstate_t mperf_cstates[MPERF_CSTATE_COUNT] = {
         {
@@ -54,19 +57,33 @@ static cstate_t mperf_cstates[MPERF_CSTATE_COUNT] = {
         },
 };
 
+enum MAX_FREQ_MODE { MAX_FREQ_SYSFS, MAX_FREQ_TSC_REF };
+static int max_freq_mode;
+/*
+ * The max frequency mperf is ticking at (in C0), either retrieved via:
+ *   1) calculated after measurements if we know TSC ticks at mperf/P0 frequency
+ *   2) cpufreq /sys/devices/.../cpu0/cpufreq/cpuinfo_max_freq at init time
+ * 1. Is preferred as it also works without cpufreq subsystem (e.g. on Xen)
+ */
+static unsigned long max_frequency;
+
 static unsigned long long tsc_at_measure_start;
 static unsigned long long tsc_at_measure_end;
-static unsigned long max_frequency;
 static unsigned long long *mperf_previous_count;
 static unsigned long long *aperf_previous_count;
 static unsigned long long *mperf_current_count;
 static unsigned long long *aperf_current_count;
+
 /* valid flag for all CPUs. If a MSR read failed it will be zero */
 static int *is_valid;
 
 static int mperf_get_tsc(unsigned long long *tsc)
 {
-        return read_msr(0, MSR_TSC, tsc);
+        int ret;
+        ret = read_msr(0, MSR_TSC, tsc);
+        if (ret)
+                dprint("Reading TSC MSR failed, returning %llu\n", *tsc);
+        return ret;
 }
 
 static int mperf_init_stats(unsigned int cpu)
@@ -97,36 +114,11 @@ static int mperf_measure_stats(unsigned int cpu)
         return 0;
 }
 
-/*
- * get_average_perf()
- *
- * Returns the average performance (also considers boosted frequencies)
- *
- * Input:
- *   aperf_diff: Difference of the aperf register over a time period
- *   mperf_diff: Difference of the mperf register over the same time period
- *   max_freq:   Maximum frequency (P0)
- *
- * Returns:
- *   Average performance over the time period
- */
-static unsigned long get_average_perf(unsigned long long aperf_diff,
-                                      unsigned long long mperf_diff)
-{
-        unsigned int perf_percent = 0;
-        if (((unsigned long)(-1) / 100) < aperf_diff) {
-                int shift_count = 7;
-                aperf_diff >>= shift_count;
-                mperf_diff >>= shift_count;
-        }
-        perf_percent = (aperf_diff * 100) / mperf_diff;
-        return (max_frequency * perf_percent) / 100;
-}
-
 static int mperf_get_count_percent(unsigned int id, double *percent,
                                    unsigned int cpu)
 {
         unsigned long long aperf_diff, mperf_diff, tsc_diff;
+        unsigned long long timediff;
 
         if (!is_valid[cpu])
                 return -1;
@@ -136,11 +128,19 @@ static int mperf_get_count_percent(unsigned int id, double *percent,
 
         mperf_diff = mperf_current_count[cpu] - mperf_previous_count[cpu];
         aperf_diff = aperf_current_count[cpu] - aperf_previous_count[cpu];
-        tsc_diff = tsc_at_measure_end - tsc_at_measure_start;
 
-        *percent = 100.0 * mperf_diff / tsc_diff;
-        dprint("%s: mperf_diff: %llu, tsc_diff: %llu\n",
-               mperf_cstates[id].name, mperf_diff, tsc_diff);
+        if (max_freq_mode == MAX_FREQ_TSC_REF) {
+                tsc_diff = tsc_at_measure_end - tsc_at_measure_start;
+                *percent = 100.0 * mperf_diff / tsc_diff;
+                dprint("%s: TSC Ref - mperf_diff: %llu, tsc_diff: %llu\n",
+                       mperf_cstates[id].name, mperf_diff, tsc_diff);
+        } else if (max_freq_mode == MAX_FREQ_SYSFS) {
+                timediff = timespec_diff_us(time_start, time_end);
+                *percent = 100.0 * mperf_diff / timediff;
+                dprint("%s: MAXFREQ - mperf_diff: %llu, time_diff: %llu\n",
+                       mperf_cstates[id].name, mperf_diff, timediff);
+        } else
+                return -1;
 
         if (id == Cx)
                 *percent = 100.0 - *percent;
@@ -154,7 +154,7 @@ static int mperf_get_count_percent(unsigned int id, double *percent,
 static int mperf_get_count_freq(unsigned int id, unsigned long long *count,
                                 unsigned int cpu)
 {
-        unsigned long long aperf_diff, mperf_diff;
+        unsigned long long aperf_diff, mperf_diff, time_diff, tsc_diff;
 
         if (id != AVG_FREQ)
                 return 1;
@@ -165,11 +165,21 @@ static int mperf_get_count_freq(unsigned int id, unsigned long long *count,
         mperf_diff = mperf_current_count[cpu] - mperf_previous_count[cpu];
         aperf_diff = aperf_current_count[cpu] - aperf_previous_count[cpu];
 
-        /* Return MHz for now, might want to return KHz if column width is more
-           generic */
-        *count = get_average_perf(aperf_diff, mperf_diff) / 1000;
-        dprint("%s: %llu\n", mperf_cstates[id].name, *count);
+        if (max_freq_mode == MAX_FREQ_TSC_REF) {
+                /* Calculate max_freq from TSC count */
+                tsc_diff = tsc_at_measure_end - tsc_at_measure_start;
+                time_diff = timespec_diff_us(time_start, time_end);
+                max_frequency = tsc_diff / time_diff;
+        }
 
+        *count = max_frequency * ((double)aperf_diff / mperf_diff);
+        dprint("%s: Average freq based on %s maximum frequency:\n",
+               mperf_cstates[id].name,
+               (max_freq_mode == MAX_FREQ_TSC_REF) ? "TSC calculated" : "sysfs read");
+        dprint("%max_frequency: %lu", max_frequency);
+        dprint("aperf_diff: %llu\n", aperf_diff);
+        dprint("mperf_diff: %llu\n", mperf_diff);
+        dprint("avg freq:   %llu\n", *count);
         return 0;
 }
 
@@ -178,6 +188,7 @@ static int mperf_start(void)
         int cpu;
         unsigned long long dbg;
 
+        clock_gettime(CLOCK_REALTIME, &time_start);
         mperf_get_tsc(&tsc_at_measure_start);
 
         for (cpu = 0; cpu < cpu_count; cpu++)
@@ -193,32 +204,104 @@ static int mperf_stop(void)
         unsigned long long dbg;
         int cpu;
 
-        mperf_get_tsc(&tsc_at_measure_end);
-
         for (cpu = 0; cpu < cpu_count; cpu++)
                 mperf_measure_stats(cpu);
 
+        mperf_get_tsc(&tsc_at_measure_end);
+        clock_gettime(CLOCK_REALTIME, &time_end);
+
         mperf_get_tsc(&dbg);
         dprint("TSC diff: %llu\n", dbg - tsc_at_measure_end);
 
         return 0;
 }
 
-struct cpuidle_monitor mperf_monitor;
-
-struct cpuidle_monitor *mperf_register(void)
+/*
+ * Mperf register is defined to tick at P0 (maximum) frequency
+ *
+ * Instead of reading out P0 which can be tricky to read out from HW,
+ * we use TSC counter if it reliably ticks at P0/mperf frequency.
+ *
+ * Still try to fall back to:
+ * /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
+ * on older Intel HW without invariant TSC feature.
+ * Or on AMD machines where TSC does not tick at P0 (do not exist yet, but
+ * it's still double checked (MSR_AMD_HWCR)).
+ *
+ * On these machines the user would still get useful mperf
+ * stats when acpi-cpufreq driver is loaded.
+ */
+static int init_maxfreq_mode(void)
 {
+        int ret;
+        unsigned long long hwcr;
         unsigned long min;
 
-        if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_APERF))
-                return NULL;
-
-        /* Assume min/max all the same on all cores */
+        if (!cpupower_cpu_info.caps & CPUPOWER_CAP_INV_TSC)
+                goto use_sysfs;
+
+        if (cpupower_cpu_info.vendor == X86_VENDOR_AMD) {
+                /* MSR_AMD_HWCR tells us whether TSC runs at P0/mperf
+                 * freq.
+                 * A test whether hwcr is accessable/available would be:
+                 * (cpupower_cpu_info.family > 0x10 ||
+                 *   cpupower_cpu_info.family == 0x10 &&
+                 *   cpupower_cpu_info.model >= 0x2))
+                 * This should be the case for all aperf/mperf
+                 * capable AMD machines and is therefore safe to test here.
+                 * Compare with Linus kernel git commit: acf01734b1747b1ec4
+                 */
+                ret = read_msr(0, MSR_AMD_HWCR, &hwcr);
+                /*
+                 * If the MSR read failed, assume a Xen system that did
+                 * not explicitly provide access to it and assume TSC works
+                */
+                if (ret != 0) {
+                        dprint("TSC read 0x%x failed - assume TSC working\n",
+                               MSR_AMD_HWCR);
+                        return 0;
+                } else if (1 & (hwcr >> 24)) {
+                        max_freq_mode = MAX_FREQ_TSC_REF;
+                        return 0;
+                } else { /* Use sysfs max frequency if available */ }
+        } else if (cpupower_cpu_info.vendor == X86_VENDOR_INTEL) {
+                /*
+                 * On Intel we assume mperf (in C0) is ticking at same
+                 * rate than TSC
+                 */
+                max_freq_mode = MAX_FREQ_TSC_REF;
+                return 0;
+        }
+use_sysfs:
         if (cpufreq_get_hardware_limits(0, &min, &max_frequency)) {
                 dprint("Cannot retrieve max freq from cpufreq kernel "
                        "subsystem\n");
-                return NULL;
+                return -1;
         }
+        max_freq_mode = MAX_FREQ_SYSFS;
+        return 0;
+}
+
+/*
+ * This monitor provides:
+ *
+ * 1) Average frequency a CPU resided in
+ *    This always works if the CPU has aperf/mperf capabilities
+ *
+ * 2) C0 and Cx (any sleep state) time a CPU resided in
+ *    Works if mperf timer stops ticking in sleep states which
+ *    seem to be the case on all current HW.
+ * Both is directly retrieved from HW registers and is independent
+ * from kernel statistics.
+ */
+struct cpuidle_monitor mperf_monitor;
+struct cpuidle_monitor *mperf_register(void)
+{
+        if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_APERF))
+                return NULL;
+
+        if (init_maxfreq_mode())
+                return NULL;
 
         /* Free this at program termination */
         is_valid = calloc(cpu_count, sizeof(int));