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Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
include/asm-powerpc/unistd.h
include/asm-sparc/unistd.h
include/asm-sparc64/unistd.h
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: Respect gfp_t argument to dma_alloc_coherent().
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Using asm-generic/dma-mapping.h does not work because pushing
the call down to pci_alloc_coherent() causes the gfp_t argument
of dma_alloc_coherent() to be ignored.
Fix this by implementing things directly, and adding a gfp_t
argument we can use in the internal call down to the PCI DMA
implementation of pci_alloc_coherent().
This fixes massive memory corruption when using the sound driver
layer, which passes things like __GFP_COMP down into these
routines and (correctly) expects that to work.
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NETFILTER]: SNMP NAT: fix memory corruption
[IRDA]: fixup type of ->lsap_state
[IRDA]: fix 16/32 bit confusion
[NET]: Fix "ntohl(ntohs" bugs
[BNX2]: Use kmalloc instead of array
[BNX2]: Fix bug in bnx2_nvram_write()
[TG3]: Add some missing rx error counters
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Paul Mackerras <paulus@samba.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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These flags are needed by userspace - move them outside __KERNEL__
(Pointed out by dwmw2)
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (33 commits)
V4L/DVB (3965): Fix CONFIG_VIDEO_VIVI=y build bug
V4L/DVB (3964): Bt8xx/bttv-cards.c: fix off-by-one errors
V4L/DVB (3914): Vivi build fix
V4L/DVB (3912): Sparc32 vivi fix
V4L/DVB (3832): Get_dvb_firmware: download nxt2002 firmware from new driver location
V4L/DVB (3829): Fix frequency values in the ranges structures of the LG TDVS H06xF tuners
V4L/DVB (3826): Saa7134: Missing 'break' in Terratec Cinergy 400 TV initialization
V4L/DVB (3825): Remove broken 'fast firmware load' from cx25840.
V4L/DVB (3819): Cxusb-bluebird: bug-fix: power down corrupts frontend
V4L/DVB (3813): Add support for TCL M2523_5N_E tuner.
V4L/DVB (3804): Tweak bandselect setup fox cx24123
V4L/DVB (3803): Various correctness fixes to tuning.
V4L/DVB (3797): Always wait for diseqc queue to become ready before transmitting a diseqc message
V4L/DVB (3796): Add several debug messages to cx24123 code
V4L/DVB (3795): Fix for CX24123 & low symbol rates
V4L/DVB (3792): Kbuild: DVB_BT8XX must select DVB_ZL10353
V4L/DVB (3790): Use after free in drivers/media/video/em28xx/em28xx-video.c
V4L/DVB (3788): Fix compilation with V4L1_COMPAT
V4L/DVB (3782): Removed uneeded stuff from pwc Makefile
V4L/DVB (3775): Add VIVI Kconfig stuff
...
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V4L1 API is depreciated and should be removed soon from kernel. This patch
adds two new options, one to disable V4L1 drivers, and another to disable
V4L1 compat module. This way, it would be easy to check what still depends
on V4L1 stuff, allowing also to test if app works fine with V4L2 only support.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Andy added code to buddy allocator which does not require the zone's
endpoints to be aligned to MAX_ORDER. An issue is that the buddy allocator
requires the node_mem_map's endpoints to be MAX_ORDER aligned. Otherwise
__page_find_buddy could compute a buddy not in node_mem_map for partial
MAX_ORDER regions at zone's endpoints. page_is_buddy will detect that
these pages at endpoints are not PG_buddy (they were zeroed out by bootmem
allocator and not part of zone). Of course the negative here is we could
waste a little memory but the positive is eliminating all the old checks
for zone boundary conditions.
SPARSEMEM won't encounter this issue because of MAX_ORDER size constraint
when SPARSEMEM is configured. ia64 VIRTUAL_MEM_MAP doesn't need the logic
either because the holes and endpoints are handled differently. This
leaves checking alloc_remap and other arches which privately allocate for
node_mem_map.
Signed-off-by: Bob Picco <bob.picco@hp.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Fix some outstanding issues with the pxa2xx_spi driver when running on a
PXA270:
- Wrong timeout calculation in the setup function due to different
peripheral clock rates in the PXAxxx family.
- Bad handling of SSSR_TFS interrupts in interrupt_transfer function.
- Added locking to interface between the pump_messages workqueue and the
pump_transfers tasklet.
Much thanks to Juergen Beisert for the extensive testing on the PXA270.
Signed-off-by: Stephen Street <stephen@streetfiresound.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Hardware based SPI driver for Samsung S3C24XX SoC systems
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Cc: David Brownell <david-b@pacbell.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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SPI driver for SPI by GPIO on the Samsung S3C24XX series of SoC processors.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Cc: Greg KH <greg@kroah.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- remove the following global function that is both unused and
unimplemented:
- register_firmware()
- make the following needlessly global function static:
- firmware_class_uevent()
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This driver supports the SPI controller on the MPC83xx SoC devices from
Freescale. Note, this driver supports only the simple shift register SPI
controller and not the descriptor based CPM or QUICCEngine SPI controller.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[SCTP]: Allow linger to abort 1-N style sockets.
[SCTP]: Validate the parameter length in HB-ACK chunk.
[SCTP]: Respect the real chunk length when walking parameters.
[SCTP]: A better solution to fix the race between sctp_peeloff() and
[SCTP]: Set sk_err so that poll wakes up after a non-blocking connect failure.
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When performing bound checks during the parameter processing, we
want to use the real chunk and paramter lengths for bounds instead
of the rounded ones. This prevents us from potentially walking of
the end if the chunk length was miscalculated. We still use rounded
lengths when advancing the pointer. This was found during a
conformance test that changed the chunk length without modifying
parameters.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
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Also fix some other cases where sk_err is not set for 1-1 style sockets.
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
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* master.kernel.org:/home/rmk/linux-2.6-mmc:
[ARM] 3531/1: i.MX/MX1 SD/MMC ensure, that clock are stopped before new command and cleanups
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command and cleanups
Patch from Pavel Pisa
There has been problems that for some paths that clock are not stopped
during new command programming and initiation. Result is issuing
of incorrect command to the card. Some other problems are cleaned too.
Noisy report of known ERRATUM #4 has been suppressed.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Catalin Marinas
Recent patches introduced the write_can_lock() call in the kernel/ptrace.c
file. Implement the __raw_* variants on ARM (SMP) as well.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/spi-2.6:
[PATCH] SPI: spi_bitbang: clocking fixes
[PATCH] spi: Update to PXA2xx SPI Driver
[PATCH] SPI: busnum == 0 needs to work
[PATCH] SPI: devices can require LSB-first encodings
[PATCH] SPI: Renamed bitbang_transfer_setup to spi_bitbang_setup_transfer and export it
[PATCH] SPI: Add David as the SPI subsystem maintainer
[PATCH] SPI: spi bounce buffer has a minimum length
[PATCH] SPI: spi whitespace fixes
[PATCH] SPI: add PXA2xx SSP SPI Driver
[PATCH] SPI: per-transfer overrides for wordsize and clocking
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We need to be able to have a "SPI bus 0" matching chip numbering; but
that number was wrongly used to flag dynamic allocation of a bus number.
This patch resolves that issue; now negative numbers trigger dynamic alloc.
It also updates the how-to-write-a-controller-driver overview to mention
this stuff.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add spi_device hook for LSB-first word encoding, and update all the
(in-tree) controller drivers to reject such devices. Eventually,
some controller drivers will be updated to support lsb-first encodings
on the wire; no current drivers need this.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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and export it
Renamed bitbang_transfer_setup to follow convention of other exported symbols
from spi-bitbang. Exported spi_bitbang_setup_transfer to allow users of
spi-bitbang to use the function in their own setup_transfer.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This removes superfluous whitespace in the <linux/spi/spi.h> header.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This driver turns a PXA2xx synchronous serial port (SSP) into a SPI master
controller (see Documentation/spi/spi_summary). The driver has the following
features:
- Support for any PXA2xx SSP
- SSP PIO and SSP DMA data transfers.
- External and Internal (SSPFRM) chip selects.
- Per slave device (chip) configuration.
- Full suspend, freeze, resume support.
Signed-off-by: Stephen Street <stephen@streetfiresound.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Some protocols (like one for some bitmap displays) require different clock
speed or word size settings for each transfer in an SPI message. This adds
those parameters to struct spi_transfer. They are to be used when they are
nonzero; otherwise the defaults from spi_device are to be used.
The patch also adds a setup_transfer callback to spi_bitbang, uses it for
messages that use those overrides, and implements it so that the pure
bitbanging code can help resolve any questions about how it should work.
Signed-off-by: Imre Deak <imre.deak@nokia.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Patch from Uwe Zeisberger
The symbol is only used in arch/arm/kernel/head-common.S. This in turn
is included from arch/arm/kernel/head.S and arch/arm/kernel/head-nommu.S
which include asm-offsets.h .
Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@digi.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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can_share_swap_page() is used to check if the page has the last reference.
This avoids allocating a new page for COW if it's the last page.
However, if CONFIG_SWAP is not set, can_share_swap_page() is defined as 0,
thus always causes a copy for the last COW page. The below simple patch
fixes it.
Signed-off-by: Hua Zhong <hzhong@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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slab_is_available() indicates slab based allocators are available for use.
SPARSEMEM code needs to know this as it can be called at various times
during the boot process.
Signed-off-by: Mike Kravetz <kravetz@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Even since a previous patch:
Fix race between CONFIG_DEBUG_SLABALLOC and modules
Sun, 27 Jun 2004 17:55:19 +0000 (17:55 +0000)
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/old-2.6-bkcvs.git;a=commit;h=92b3db26d31cf21b70e3c1eadc56c179506d8fbe
The function symbol_put_addr() will deadlock the kernel.
symbol_put_addr() would acquire modlist_lock, then while holding the lock call
two functions kernel_text_address() and module_text_address() which also try
to acquire the same lock. This deadlocks the kernel of course.
This patch changes symbol_put_addr() to not acquire the modlist_lock, it
doesn't need it since it never looks at the module list directly. Also, it
now uses core_kernel_text() instead of kernel_text_address(). The latter has
an additional check for addr inside a module, but we don't need to do that
since we call module_text_address() (the same function kernel_text_address
uses) ourselves.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Cc: Zwane Mwaikambo <zwane@fsmlabs.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add new vmsplice system call and add missing __NR_xxx defines for
sys_set_robust_list, sys_get_robust_list, sys_splice, sys_sync_file_range
and sys_tee.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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With "Paul E. McKenney" <paulmck@us.ibm.com>
Introduce rcu_needs_cpu() interface. This can be used to tell if there
will be a new rcu batch on a cpu soon by looking at the curlist pointer.
This can be used to avoid to enter a tickless idle state where the cpu
would miss that a new batch is ready when rcu_start_batch would be called
on a different cpu.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The classical IP over ATM code maintains its own IPv4 <-> <ATM stuff>
ARP table, using the standard neighbour-table code. The
neigh_table_init function adds this neighbour table to a linked list
of all neighbor tables which is used by the functions neigh_delete()
neigh_add() and neightbl_set(), all called by the netlink code.
Once the ATM neighbour table is added to the list, there are two
tables with family == AF_INET there, and ARP entries sent via netlink
go into the first table with matching family. This is indeterminate
and often wrong.
To see the bug, on a kernel with CLIP enabled, create a standard IPv4
ARP entry by pinging an unused address on a local subnet. Then attempt
to complete that entry by doing
ip neigh replace <ip address> lladdr <some mac address> nud reachable
Looking at the ARP tables by using
ip neigh show
will reveal two ARP entries for the same address. One of these can be
found in /proc/net/arp, and the other in /proc/net/atm/arp.
This patch adds a new function, neigh_table_init_no_netlink() which
does everything the neigh_table_init() does, except add the table to
the netlink all-arp-tables chain. In addition neigh_table_init() has a
check that all tables on the chain have a distinct address family.
The init call in clip.c is changed to call
neigh_table_init_no_netlink().
Since ATM ARP tables are rather more complicated than can currently be
handled by the available rtattrs in the netlink protocol, no
functionality is lost by this patch, and non-ATM ARP manipulation via
netlink is rescued. A more complete solution would involve a rtattr
for ATM ARP entries and some way for the netlink code to give
neigh_add and friends more information than just address family with
which to find the correct ARP table.
[ I've changed the assertion checking in neigh_table_init() to not
use BUG_ON() while holding neigh_tbl_lock. Instead we remember that
we found an existing tbl with the same family, and after dropping
the lock we'll give a diagnostic kernel log message and a stack dump.
-DaveM ]
Signed-off-by: Simon Kelley <simon@thekelleys.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/home/rmk/linux-2.6-serial:
[SERIAL] 8250: add locking to console write function
[SERIAL] Remove unconditional enable of TX irq for console
[SERIAL] 8250: set divisor register correctly for AMD Alchemy SoC uart
[SERIAL] AMD Alchemy UART: claim memory range
[SERIAL] Clean up serial locking when obtaining a reference to a port
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The locking for the uart_port is over complicated, and can be
simplified if we introduce a flag to indicate that a port is "dead"
and will be removed.
This also helps the validator because it removes a case of non-nested
unlock ordering.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NET_SCHED]: HFSC: fix thinko in hfsc_adjust_levels()
[IPV6]: skb leakage in inet6_csk_xmit
[BRIDGE]: Do sysfs registration inside rtnl.
[NET]: Do sysfs registration as part of register_netdevice.
[TG3]: Fix possible NULL deref in tg3_run_loopback().
[NET] linkwatch: Handle jiffies wrap-around
[IRDA]: Switching to a workqueue for the SIR work
[IRDA]: smsc-ircc: Minimal hotplug support.
[IRDA]: Removing unused EXPORT_SYMBOLs
[IRDA]: New maintainer.
[NET]: Make netdev_chain a raw notifier.
[IPV4]: ip_options_fragment() has no effect on fragmentation
[NET]: Add missing operstates documentation.
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The last step of netdevice registration was being done by a delayed
call, but because it was delayed, it was impossible to return any error
code if the class_device registration failed.
Side effects:
* one state in registration process is unnecessary.
* register_netdevice can sleep inside class_device registration/hotplug
* code in netdev_run_todo only does unregistration so it is simpler.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (25 commits)
[SCSI] mptfc: race between mptfc_register_dev and mptfc_target_alloc
[SCSI] lpfc 8.1.6 : Fix Data Corruption in Bus Reset Path
[SCSI] mptspi: revalidate negotiation parameters after host reset and resume
[SCSI] srp.h: avoid padding of structs
[SCSI] ibmvscsi: fix leak when failing to send srp event
[SCSI] qla2xxx: Correct eh_abort recovery logic.
[SCSI] megaraid_{mm,mbox}: fix a bug in reset handler
[SCSI] fusion - bug fix stack overflow in mptbase
[SCSI] scsi: Add IBM 2104-DU3 to blist
[SCSI] Fix DVD burning issues.
[SCSI] SCSI: aic7xxx_osm_pci resource leak fix.
[SCSI] - fusion - mptfc bug fix's to prevent deadlock situations
[SCSI] mptfusion: bug fix's for raid components adding/deleting
[SCSI] aic7xxx: ahc_pci_write_config() fix
[SCSI] megaraid: unused variable
[SCSI] qla2xxx: only free_irq() after request_irq() succeeds
[SCSI] Overrun in drivers/scsi/sim710.c
[SCSI] lpfc 8.1.5 : Change version number to 8.1.5
[SCSI] lpfc 8.1.5 : Misc small fixes
[SCSI] lpfc 8.1.5 : Additional fixes to LOGO, PLOGI, and RSCN processing
...
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Several structs in <scsi/srp.h> get padded to a multiple of 8 bytes on
64-bit architectures and end up with a size that does not match the
definition in the SRP spec:
SRP spec 64-bit
sizeof (struct indirect_buf) 20 24
sizeof (struct srp_login_rsp) 52 56
sizeof (struct srp_rsp) 36 40
Fix this by adding __attribute__((packed)) to the offending structs.
Problem pointed out by Arne Redlich <arne.redlich@xiranet.com>.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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master.kernel.org:/pub/scm/linux/kernel/git/shemminger/netdev-2.6
* 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/shemminger/netdev-2.6:
sis900: phy for FoxCon motherboard
dl2k: use DMA_48BIT_MASK constant
phy: mdiobus_register(): initialize all phy_map entries
sky2: ifdown kills irq mask
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Typo will be harder with this one.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/netdev-2.6
* 'upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/netdev-2.6:
[PATCH] bcm43xx: Fix access to non-existent PHY registers
[PATCH] bcm43xx: Fix array overrun in bcm43xx_geo_init
[PATCH] bcm43xx: check for valid MAC address in SPROM
[PATCH] ieee80211: Fix A band channel count (resent)
[PATCH] bcm43xx: fix iwmode crash when down
[PATCH] softmac: make non-operational after being stopped
[PATCH] softmac: don't reassociate if user asked for deauthentication
spidernet: enable support for bcm5461 ethernet phy
spidernet: introduce new setting
Fix RTL8019AS init for Toshiba RBTX49xx boards
au1000_eth.c: use ether_crc() from <linux/crc32.h>
sky2: version 1.3
Add more support for the Yukon Ultra chip found in dual core centino laptops.
sky2: synchronize irq on remove
sky2: dont write status ring
sky2: edge triggered workaround enhancement
sky2: use mask instead of modulo operation
sky2: tx ring index mask fix
sky2: status irq hang fix
sky2: backout NAPI reschedule
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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The channel count for 802.11a is still not right. We better
compute it from the min and max channel numbers, rather than
hardcoding it.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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zd1211 with softmac and wpa_supplicant revealed an issue with softmac
and the use of workqueues. Some of the work functions actually
reschedule themselves, so this meant that there could still be
pending work after flush_scheduled_work() had been called during
ieee80211softmac_stop().
This patch introduces a "running" flag which is used to ensure that
rescheduling does not happen in this situation.
I also used this flag to ensure that softmac's hooks into ieee80211 are
non-operational once the stop operation has been started. This simply
makes softmac a little more robust, because I could crash it easily
by receiving frames in the short timeframe after shutting down softmac
and before turning off the ZD1211 radio. (ZD1211 is now fixed as well!)
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This is a backout of earlier patch.
The whole rescheduling hack was a bad idea. It doesn't really solve
the problem and it makes the code more complicated for no good reason.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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