Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (224 commits)
  ARM: remove 'select GENERIC_TIME'
  ARM: 6136/1: ARCH_REQUIRE_GPIOLIB selects GENERIC_GPIO
  ARM: 6074/1: oprofile: convert from sysdev to platform device
  ARM: 6073/1: oprofile: remove old files and update KConfig
  ARM: 6072/1: oprofile: use perf-events framework as backend
  ARM: 6071/1: perf-events: allow modules to query the number of hardware counters
  ARM: 6070/1: perf-events: add support for xscale PMUs
  ARM: 6069/1: perf-events: use numeric ID to identify PMU
  ARM: 6064/1: pmu: register IRQs at runtime
  ARM: Optionally allow ARMv6 to use 'normal, bufferable' memory for DMA
  ARM: 6134/1: Handle instruction cache maintenance fault properly
  ARM: nwfpe: allow debugging output to be configured at runtime
  ARM: rename mach_cpu_disable() to platform_cpu_disable()
  ARM: 6132/1: PL330: Add common core driver
  ARM: 6094/1: Extend cache-l2x0 to support the 16-way PL310
  ARM: Move memory mapping into mmu.c
  ARM: Ensure meminfo is sorted prior to sanity_check_meminfo
  ARM: Remove useless linux/bootmem.h includes
  ARM: convert /proc/cpu/aligment to seq_file
  arm: use asm-generic/scatterlist.h
  ...

17 files changed, 431 insertions, 126 deletions

diff --git a/arch/arm/include/asm/hardware/arm_timer.h b/arch/arm/include/asm/hardware/arm_timer.h
index 04be3bdf46b8..c0f4e7bf22de 100644
--- a/arch/arm/include/asm/hardware/arm_timer.h
+++ b/arch/arm/include/asm/hardware/arm_timer.h
@@ -1,21 +1,30 @@
 #ifndef __ASM_ARM_HARDWARE_ARM_TIMER_H
 #define __ASM_ARM_HARDWARE_ARM_TIMER_H
 
-#define TIMER_LOAD      0x00
-#define TIMER_VALUE     0x04
-#define TIMER_CTRL      0x08
-#define TIMER_CTRL_ONESHOT      (1 << 0)
-#define TIMER_CTRL_32BIT        (1 << 1)
-#define TIMER_CTRL_DIV1         (0 << 2)
-#define TIMER_CTRL_DIV16        (1 << 2)
-#define TIMER_CTRL_DIV256       (2 << 2)
-#define TIMER_CTRL_IE           (1 << 5)        /* Interrupt Enable (versatile only) */
-#define TIMER_CTRL_PERIODIC     (1 << 6)
-#define TIMER_CTRL_ENABLE       (1 << 7)
+/*
+ * ARM timer implementation, found in Integrator, Versatile and Realview
+ * platforms.  Not all platforms support all registers and bits in these
+ * registers, so we mark them with A for Integrator AP, C for Integrator
+ * CP, V for Versatile and R for Realview.
+ *
+ * Integrator AP has 16-bit timers, Integrator CP, Versatile and Realview
+ * can have 16-bit or 32-bit selectable via a bit in the control register.
+ */
+#define TIMER_LOAD      0x00                    /* ACVR rw */
+#define TIMER_VALUE     0x04                    /* ACVR ro */
+#define TIMER_CTRL      0x08                    /* ACVR rw */
+#define TIMER_CTRL_ONESHOT      (1 << 0)        /*  CVR */
+#define TIMER_CTRL_32BIT        (1 << 1)        /*  CVR */
+#define TIMER_CTRL_DIV1         (0 << 2)        /* ACVR */
+#define TIMER_CTRL_DIV16        (1 << 2)        /* ACVR */
+#define TIMER_CTRL_DIV256       (2 << 2)        /* ACVR */
+#define TIMER_CTRL_IE           (1 << 5)        /*   VR */
+#define TIMER_CTRL_PERIODIC     (1 << 6)        /* ACVR */
+#define TIMER_CTRL_ENABLE       (1 << 7)        /* ACVR */
 
-#define TIMER_INTCLR    0x0c
-#define TIMER_RIS       0x10
-#define TIMER_MIS       0x14
-#define TIMER_BGLOAD    0x18
+#define TIMER_INTCLR    0x0c                    /* ACVR wo */
+#define TIMER_RIS       0x10                    /*  CVR ro */
+#define TIMER_MIS       0x14                    /*  CVR ro */
+#define TIMER_BGLOAD    0x18                    /*  CVR rw */
 
 #endif
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index cdb9022716fd..6bcba48800fe 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -21,6 +21,9 @@
 #define __ASM_ARM_HARDWARE_L2X0_H
 
 #define L2X0_CACHE_ID                   0x000
+#define   L2X0_CACHE_ID_PART_MASK       (0xf << 6)
+#define   L2X0_CACHE_ID_PART_L210       (1 << 6)
+#define   L2X0_CACHE_ID_PART_L310       (3 << 6)
 #define L2X0_CACHE_TYPE                 0x004
 #define L2X0_CTRL                       0x100
 #define L2X0_AUX_CTRL                   0x104
diff --git a/arch/arm/include/asm/hardware/icst.h b/arch/arm/include/asm/hardware/icst.h
new file mode 100644
index 000000000000..10382a3dcec9
--- /dev/null
+++ b/arch/arm/include/asm/hardware/icst.h
@@ -0,0 +1,59 @@
+/*
+ *  arch/arm/include/asm/hardware/icst.h
+ *
+ *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  Support functions for calculating clocks/divisors for the ICST
+ *  clock generators.  See http://www.icst.com/ for more information
+ *  on these devices.
+ */
+#ifndef ASMARM_HARDWARE_ICST_H
+#define ASMARM_HARDWARE_ICST_H
+
+struct icst_params {
+        unsigned long   ref;
+        unsigned long   vco_max;        /* inclusive */
+        unsigned long   vco_min;        /* exclusive */
+        unsigned short  vd_min;         /* inclusive */
+        unsigned short  vd_max;         /* inclusive */
+        unsigned char   rd_min;         /* inclusive */
+        unsigned char   rd_max;         /* inclusive */
+        const unsigned char *s2div;     /* chip specific s2div array */
+        const unsigned char *idx2s;     /* chip specific idx2s array */
+};
+
+struct icst_vco {
+        unsigned short  v;
+        unsigned char   r;
+        unsigned char   s;
+};
+
+unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco);
+struct icst_vco icst_hz_to_vco(const struct icst_params *p, unsigned long freq);
+
+/*
+ * ICST307 VCO frequency must be between 6MHz and 200MHz (3.3 or 5V).
+ * This frequency is pre-output divider.
+ */
+#define ICST307_VCO_MIN 6000000
+#define ICST307_VCO_MAX 200000000
+
+extern const unsigned char icst307_s2div[];
+extern const unsigned char icst307_idx2s[];
+
+/*
+ * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V).
+ * This frequency is pre-output divider.
+ */
+#define ICST525_VCO_MIN         10000000
+#define ICST525_VCO_MAX_3V      200000000
+#define ICST525_VCO_MAX_5V      320000000
+
+extern const unsigned char icst525_s2div[];
+extern const unsigned char icst525_idx2s[];
+
+#endif
diff --git a/arch/arm/include/asm/hardware/icst307.h b/arch/arm/include/asm/hardware/icst307.h
deleted file mode 100644
index 554f128a1046..000000000000
--- a/arch/arm/include/asm/hardware/icst307.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- *  arch/arm/include/asm/hardware/icst307.h
- *
- *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  Support functions for calculating clocks/divisors for the ICS307
- *  clock generators.  See http://www.icst.com/ for more information
- *  on these devices.
- *
- *  This file is similar to the icst525.h file
- */
-#ifndef ASMARM_HARDWARE_ICST307_H
-#define ASMARM_HARDWARE_ICST307_H
-
-struct icst307_params {
-        unsigned long   ref;
-        unsigned long   vco_max;        /* inclusive */
-        unsigned short  vd_min;         /* inclusive */
-        unsigned short  vd_max;         /* inclusive */
-        unsigned char   rd_min;         /* inclusive */
-        unsigned char   rd_max;         /* inclusive */
-};
-
-struct icst307_vco {
-        unsigned short  v;
-        unsigned char   r;
-        unsigned char   s;
-};
-
-unsigned long icst307_khz(const struct icst307_params *p, struct icst307_vco vco);
-struct icst307_vco icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq);
-struct icst307_vco icst307_ps_to_vco(const struct icst307_params *p, unsigned long period);
-
-#endif
diff --git a/arch/arm/include/asm/hardware/icst525.h b/arch/arm/include/asm/hardware/icst525.h
deleted file mode 100644
index 58f0dc43e2ed..000000000000
--- a/arch/arm/include/asm/hardware/icst525.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- *  arch/arm/include/asm/hardware/icst525.h
- *
- *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  Support functions for calculating clocks/divisors for the ICST525
- *  clock generators.  See http://www.icst.com/ for more information
- *  on these devices.
- */
-#ifndef ASMARM_HARDWARE_ICST525_H
-#define ASMARM_HARDWARE_ICST525_H
-
-struct icst525_params {
-        unsigned long   ref;
-        unsigned long   vco_max;        /* inclusive */
-        unsigned short  vd_min;         /* inclusive */
-        unsigned short  vd_max;         /* inclusive */
-        unsigned char   rd_min;         /* inclusive */
-        unsigned char   rd_max;         /* inclusive */
-};
-
-struct icst525_vco {
-        unsigned short  v;
-        unsigned char   r;
-        unsigned char   s;
-};
-
-unsigned long icst525_khz(const struct icst525_params *p, struct icst525_vco vco);
-struct icst525_vco icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq);
-struct icst525_vco icst525_ps_to_vco(const struct icst525_params *p, unsigned long period);
-
-#endif
diff --git a/arch/arm/include/asm/hardware/pl330.h b/arch/arm/include/asm/hardware/pl330.h
new file mode 100644
index 000000000000..575fa8186ca0
--- /dev/null
+++ b/arch/arm/include/asm/hardware/pl330.h
@@ -0,0 +1,217 @@
+/* linux/include/asm/hardware/pl330.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *      Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * 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, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __PL330_CORE_H
+#define __PL330_CORE_H
+
+#define PL330_MAX_CHAN          8
+#define PL330_MAX_IRQS          32
+#define PL330_MAX_PERI          32
+
+enum pl330_srccachectrl {
+        SCCTRL0 = 0, /* Noncacheable and nonbufferable */
+        SCCTRL1, /* Bufferable only */
+        SCCTRL2, /* Cacheable, but do not allocate */
+        SCCTRL3, /* Cacheable and bufferable, but do not allocate */
+        SINVALID1,
+        SINVALID2,
+        SCCTRL6, /* Cacheable write-through, allocate on reads only */
+        SCCTRL7, /* Cacheable write-back, allocate on reads only */
+};
+
+enum pl330_dstcachectrl {
+        DCCTRL0 = 0, /* Noncacheable and nonbufferable */
+        DCCTRL1, /* Bufferable only */
+        DCCTRL2, /* Cacheable, but do not allocate */
+        DCCTRL3, /* Cacheable and bufferable, but do not allocate */
+        DINVALID1 = 8,
+        DINVALID2,
+        DCCTRL6, /* Cacheable write-through, allocate on writes only */
+        DCCTRL7, /* Cacheable write-back, allocate on writes only */
+};
+
+/* Populated by the PL330 core driver for DMA API driver's info */
+struct pl330_config {
+        u32     periph_id;
+        u32     pcell_id;
+#define DMAC_MODE_NS    (1 << 0)
+        unsigned int    mode;
+        unsigned int    data_bus_width:10; /* In number of bits */
+        unsigned int    data_buf_dep:10;
+        unsigned int    num_chan:4;
+        unsigned int    num_peri:6;
+        u32             peri_ns;
+        unsigned int    num_events:6;
+        u32             irq_ns;
+};
+
+/* Handle to the DMAC provided to the PL330 core */
+struct pl330_info {
+        /* Owning device */
+        struct device *dev;
+        /* Size of MicroCode buffers for each channel. */
+        unsigned mcbufsz;
+        /* ioremap'ed address of PL330 registers. */
+        void __iomem    *base;
+        /* Client can freely use it. */
+        void    *client_data;
+        /* PL330 core data, Client must not touch it. */
+        void    *pl330_data;
+        /* Populated by the PL330 core driver during pl330_add */
+        struct pl330_config     pcfg;
+        /*
+         * If the DMAC has some reset mechanism, then the
+         * client may want to provide pointer to the method.
+         */
+        void (*dmac_reset)(struct pl330_info *pi);
+};
+
+enum pl330_byteswap {
+        SWAP_NO = 0,
+        SWAP_2,
+        SWAP_4,
+        SWAP_8,
+        SWAP_16,
+};
+
+/**
+ * Request Configuration.
+ * The PL330 core does not modify this and uses the last
+ * working configuration if the request doesn't provide any.
+ *
+ * The Client may want to provide this info only for the
+ * first request and a request with new settings.
+ */
+struct pl330_reqcfg {
+        /* Address Incrementing */
+        unsigned dst_inc:1;
+        unsigned src_inc:1;
+
+        /*
+         * For now, the SRC & DST protection levels
+         * and burst size/length are assumed same.
+         */
+        bool nonsecure;
+        bool privileged;
+        bool insnaccess;
+        unsigned brst_len:5;
+        unsigned brst_size:3; /* in power of 2 */
+
+        enum pl330_dstcachectrl dcctl;
+        enum pl330_srccachectrl scctl;
+        enum pl330_byteswap swap;
+};
+
+/*
+ * One cycle of DMAC operation.
+ * There may be more than one xfer in a request.
+ */
+struct pl330_xfer {
+        u32 src_addr;
+        u32 dst_addr;
+        /* Size to xfer */
+        u32 bytes;
+        /*
+         * Pointer to next xfer in the list.
+         * The last xfer in the req must point to NULL.
+         */
+        struct pl330_xfer *next;
+};
+
+/* The xfer callbacks are made with one of these arguments. */
+enum pl330_op_err {
+        /* The all xfers in the request were success. */
+        PL330_ERR_NONE,
+        /* If req aborted due to global error. */
+        PL330_ERR_ABORT,
+        /* If req failed due to problem with Channel. */
+        PL330_ERR_FAIL,
+};
+
+enum pl330_reqtype {
+        MEMTOMEM,
+        MEMTODEV,
+        DEVTOMEM,
+        DEVTODEV,
+};
+
+/* A request defining Scatter-Gather List ending with NULL xfer. */
+struct pl330_req {
+        enum pl330_reqtype rqtype;
+        /* Index of peripheral for the xfer. */
+        unsigned peri:5;
+        /* Unique token for this xfer, set by the client. */
+        void *token;
+        /* Callback to be called after xfer. */
+        void (*xfer_cb)(void *token, enum pl330_op_err err);
+        /* If NULL, req will be done at last set parameters. */
+        struct pl330_reqcfg *cfg;
+        /* Pointer to first xfer in the request. */
+        struct pl330_xfer *x;
+};
+
+/*
+ * To know the status of the channel and DMAC, the client
+ * provides a pointer to this structure. The PL330 core
+ * fills it with current information.
+ */
+struct pl330_chanstatus {
+        /*
+         * If the DMAC engine halted due to some error,
+         * the client should remove-add DMAC.
+         */
+        bool dmac_halted;
+        /*
+         * If channel is halted due to some error,
+         * the client should ABORT/FLUSH and START the channel.
+         */
+        bool faulting;
+        /* Location of last load */
+        u32 src_addr;
+        /* Location of last store */
+        u32 dst_addr;
+        /*
+         * Pointer to the currently active req, NULL if channel is
+         * inactive, even though the requests may be present.
+         */
+        struct pl330_req *top_req;
+        /* Pointer to req waiting second in the queue if any. */
+        struct pl330_req *wait_req;
+};
+
+enum pl330_chan_op {
+        /* Start the channel */
+        PL330_OP_START,
+        /* Abort the active xfer */
+        PL330_OP_ABORT,
+        /* Stop xfer and flush queue */
+        PL330_OP_FLUSH,
+};
+
+extern int pl330_add(struct pl330_info *);
+extern void pl330_del(struct pl330_info *pi);
+extern int pl330_update(const struct pl330_info *pi);
+extern void pl330_release_channel(void *ch_id);
+extern void *pl330_request_channel(const struct pl330_info *pi);
+extern int pl330_chan_status(void *ch_id, struct pl330_chanstatus *pstatus);
+extern int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op);
+extern int pl330_submit_req(void *ch_id, struct pl330_req *r);
+
+#endif  /* __PL330_CORE_H */
diff --git a/arch/arm/include/asm/hardware/sp810.h b/arch/arm/include/asm/hardware/sp810.h
new file mode 100644
index 000000000000..a101f10bb5b1
--- /dev/null
+++ b/arch/arm/include/asm/hardware/sp810.h
@@ -0,0 +1,59 @@
+/*
+ * arch/arm/include/asm/hardware/sp810.h
+ *
+ * ARM PrimeXsys System Controller SP810 header file
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar<viresh.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARM_SP810_H
+#define __ASM_ARM_SP810_H
+
+#include <linux/io.h>
+
+/* sysctl registers offset */
+#define SCCTRL                  0x000
+#define SCSYSSTAT               0x004
+#define SCIMCTRL                0x008
+#define SCIMSTAT                0x00C
+#define SCXTALCTRL              0x010
+#define SCPLLCTRL               0x014
+#define SCPLLFCTRL              0x018
+#define SCPERCTRL0              0x01C
+#define SCPERCTRL1              0x020
+#define SCPEREN                 0x024
+#define SCPERDIS                0x028
+#define SCPERCLKEN              0x02C
+#define SCPERSTAT               0x030
+#define SCSYSID0                0xEE0
+#define SCSYSID1                0xEE4
+#define SCSYSID2                0xEE8
+#define SCSYSID3                0xEEC
+#define SCITCR                  0xF00
+#define SCITIR0                 0xF04
+#define SCITIR1                 0xF08
+#define SCITOR                  0xF0C
+#define SCCNTCTRL               0xF10
+#define SCCNTDATA               0xF14
+#define SCCNTSTEP               0xF18
+#define SCPERIPHID0             0xFE0
+#define SCPERIPHID1             0xFE4
+#define SCPERIPHID2             0xFE8
+#define SCPERIPHID3             0xFEC
+#define SCPCELLID0              0xFF0
+#define SCPCELLID1              0xFF4
+#define SCPCELLID2              0xFF8
+#define SCPCELLID3              0xFFC
+
+static inline void sysctl_soft_reset(void __iomem *base)
+{
+        /* writing any value to SCSYSSTAT reg will reset system */
+        writel(0, base + SCSYSSTAT);
+}
+
+#endif  /* __ASM_ARM_SP810_H */
diff --git a/arch/arm/include/asm/ioctls.h b/arch/arm/include/asm/ioctls.h
index a91d8a1523cf..7f0b6d13296a 100644
--- a/arch/arm/include/asm/ioctls.h
+++ b/arch/arm/include/asm/ioctls.h
@@ -53,6 +53,9 @@
 #define TIOCGPTN        _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK      _IOW('T',0x31, int)  /* Lock/unlock Pty */
 
+#define TIOCGRS485      0x542E
+#define TIOCSRS485      0x542F
+
 #define FIONCLEX        0x5450  /* these numbers need to be adjusted. */
 #define FIOCLEX         0x5451
 #define FIOASYNC        0x5452
diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h
index a38bdc7afa34..52f0da1e97df 100644
--- a/arch/arm/include/asm/mach/pci.h
+++ b/arch/arm/include/asm/mach/pci.h
@@ -8,10 +8,16 @@
  * published by the Free Software Foundation.
  */
 
+#ifndef __ASM_MACH_PCI_H
+#define __ASM_MACH_PCI_H
+
 struct pci_sys_data;
 struct pci_bus;
 
 struct hw_pci {
+#ifdef CONFIG_PCI_DOMAINS
+        int             domain;
+#endif
         struct list_head buses;
         int             nr_controllers;
         int             (*setup)(int nr, struct pci_sys_data *);
@@ -26,6 +32,9 @@ struct hw_pci {
  * Per-controller structure
  */
 struct pci_sys_data {
+#ifdef CONFIG_PCI_DOMAINS
+        int             domain;
+#endif
         struct list_head node;
         int             busnr;          /* primary bus number                   */
         u64             mem_offset;     /* bus->cpu memory mapping offset       */
@@ -70,3 +79,5 @@ extern int pci_v3_setup(int nr, struct pci_sys_data *);
 extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *);
 extern void pci_v3_preinit(void);
 extern void pci_v3_postinit(void);
+
+#endif /* __ASM_MACH_PCI_H */
diff --git a/arch/arm/include/asm/mach/time.h b/arch/arm/include/asm/mach/time.h
index 8bffc3ff3acf..35d408f6dccf 100644
--- a/arch/arm/include/asm/mach/time.h
+++ b/arch/arm/include/asm/mach/time.h
@@ -38,7 +38,7 @@ struct sys_timer {
         void                    (*init)(void);
         void                    (*suspend)(void);
         void                    (*resume)(void);
-#ifndef CONFIG_GENERIC_TIME
+#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
         unsigned long           (*offset)(void);
 #endif
 };
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 47980118d0a5..92e2a833693d 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -4,8 +4,23 @@
 #ifdef __KERNEL__
 #include <asm-generic/pci-dma-compat.h>
 
+#include <asm/mach/pci.h> /* for pci_sys_data */
 #include <mach/hardware.h> /* for PCIBIOS_MIN_* */
 
+#ifdef CONFIG_PCI_DOMAINS
+static inline int pci_domain_nr(struct pci_bus *bus)
+{
+        struct pci_sys_data *root = bus->sysdata;
+
+        return root->domain;
+}
+
+static inline int pci_proc_domain(struct pci_bus *bus)
+{
+        return pci_domain_nr(bus);
+}
+#endif /* CONFIG_PCI_DOMAINS */
+
 #ifdef CONFIG_PCI_HOST_ITE8152
 /* ITE bridge requires setting latency timer to avoid early bus access
    termination by PIC bus mater devices
diff --git a/arch/arm/include/asm/perf_event.h b/arch/arm/include/asm/perf_event.h
index 49e3049aba32..48837e6d8887 100644
--- a/arch/arm/include/asm/perf_event.h
+++ b/arch/arm/include/asm/perf_event.h
@@ -28,4 +28,21 @@ set_perf_event_pending(void)
  * same indexes here for consistency. */
 #define PERF_EVENT_INDEX_OFFSET 1
 
+/* ARM perf PMU IDs for use by internal perf clients. */
+enum arm_perf_pmu_ids {
+        ARM_PERF_PMU_ID_XSCALE1 = 0,
+        ARM_PERF_PMU_ID_XSCALE2,
+        ARM_PERF_PMU_ID_V6,
+        ARM_PERF_PMU_ID_V6MP,
+        ARM_PERF_PMU_ID_CA8,
+        ARM_PERF_PMU_ID_CA9,
+        ARM_NUM_PMU_IDS,
+};
+
+extern enum arm_perf_pmu_ids
+armpmu_get_pmu_id(void);
+
+extern int
+armpmu_get_max_events(void);
+
 #endif /* __ARM_PERF_EVENT_H__ */
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index 11397687f42c..ab68cf1ef80f 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -314,7 +314,7 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
         __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED)
 #define pgprot_writecombine(prot) \
         __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE)
-#if __LINUX_ARM_ARCH__ >= 7
+#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE
 #define pgprot_dmacoherent(prot) \
         __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_BUFFERABLE)
 #else
diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h
index 2829b9f981a1..8ccea012722c 100644
--- a/arch/arm/include/asm/pmu.h
+++ b/arch/arm/include/asm/pmu.h
@@ -12,33 +12,33 @@
 #ifndef __ARM_PMU_H__
 #define __ARM_PMU_H__
 
-#ifdef CONFIG_CPU_HAS_PMU
-
-struct pmu_irqs {
-        const int   *irqs;
-        int         num_irqs;
+enum arm_pmu_type {
+        ARM_PMU_DEVICE_CPU      = 0,
+        ARM_NUM_PMU_DEVICES,
 };
 
+#ifdef CONFIG_CPU_HAS_PMU
+
 /**
  * reserve_pmu() - reserve the hardware performance counters
  *
  * Reserve the hardware performance counters in the system for exclusive use.
- * The 'struct pmu_irqs' for the system is returned on success, ERR_PTR()
+ * The platform_device for the system is returned on success, ERR_PTR()
  * encoded error on failure.
  */
-extern const struct pmu_irqs *
-reserve_pmu(void);
+extern struct platform_device *
+reserve_pmu(enum arm_pmu_type device);
 
 /**
  * release_pmu() - Relinquish control of the performance counters
  *
  * Release the performance counters and allow someone else to use them.
  * Callers must have disabled the counters and released IRQs before calling
- * this. The 'struct pmu_irqs' returned from reserve_pmu() must be passed as
+ * this. The platform_device returned from reserve_pmu() must be passed as
  * a cookie.
  */
 extern int
-release_pmu(const struct pmu_irqs *irqs);
+release_pmu(struct platform_device *pdev);
 
 /**
  * init_pmu() - Initialise the PMU.
@@ -48,24 +48,26 @@ release_pmu(const struct pmu_irqs *irqs);
  * the actual hardware initialisation.
  */
 extern int
-init_pmu(void);
+init_pmu(enum arm_pmu_type device);
 
 #else /* CONFIG_CPU_HAS_PMU */
 
-static inline const struct pmu_irqs *
-reserve_pmu(void)
+#include <linux/err.h>
+
+static inline struct platform_device *
+reserve_pmu(enum arm_pmu_type device)
 {
         return ERR_PTR(-ENODEV);
 }
 
 static inline int
-release_pmu(const struct pmu_irqs *irqs)
+release_pmu(struct platform_device *pdev)
 {
         return -ENODEV;
 }
 
 static inline int
-init_pmu(void)
+init_pmu(enum arm_pmu_type device)
 {
         return -ENODEV;
 }
diff --git a/arch/arm/include/asm/scatterlist.h b/arch/arm/include/asm/scatterlist.h
index ca0a37d03400..bcda59f39941 100644
--- a/arch/arm/include/asm/scatterlist.h
+++ b/arch/arm/include/asm/scatterlist.h
@@ -4,24 +4,8 @@
 #include <asm/memory.h>
 #include <asm/types.h>
 
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-        unsigned long   sg_magic;
-#endif
-        unsigned long   page_link;
-        unsigned int    offset;         /* buffer offset                 */
-        dma_addr_t      dma_address;    /* dma address                   */
-        unsigned int    length;         /* length                        */
-};
+#include <asm-generic/scatterlist.h>
 
-/*
- * These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns, or alternatively stop on the first sg_dma_len(sg) which
- * is 0.
- */
-#define sg_dma_address(sg)      ((sg)->dma_address)
-#define sg_dma_len(sg)          ((sg)->length)
+#undef ARCH_HAS_SG_CHAIN
 
 #endif /* _ASMARM_SCATTERLIST_H */
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index e0d763be1846..3d05190797cb 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -82,7 +82,7 @@ struct secondary_data {
 extern struct secondary_data secondary_data;
 
 extern int __cpu_disable(void);
-extern int mach_cpu_disable(unsigned int cpu);
+extern int platform_cpu_disable(unsigned int cpu);
 
 extern void __cpu_die(unsigned int cpu);
 extern void cpu_die(void);
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 4ace45ec3ef8..5f4f48002734 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -141,7 +141,7 @@ extern unsigned int user_debug;
 
 #ifdef CONFIG_ARCH_HAS_BARRIERS
 #include <mach/barriers.h>
-#elif __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP)
+#elif defined(CONFIG_ARM_DMA_MEM_BUFFERABLE) || defined(CONFIG_SMP)
 #define mb()            do { dsb(); outer_sync(); } while (0)
 #define rmb()           dmb()
 #define wmb()           mb()