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Commit Graph

328436 Commits

Author SHA1 Message Date
Linus Torvalds
21e98932dc Merge git://git.infradead.org/users/willy/linux-nvme
Pull NVMe driver fixes from Matthew Wilcox:
 "Now that actual hardware has been released (don't have any yet
  myself), people are starting to want some of these fixes merged."

Willy doesn't have hardware? Guys...

* git://git.infradead.org/users/willy/linux-nvme:
  NVMe: Cancel outstanding IOs on queue deletion
  NVMe: Free admin queue memory on initialisation failure
  NVMe: Use ida for nvme device instance
  NVMe: Fix whitespace damage in nvme_init
  NVMe: handle allocation failure in nvme_map_user_pages()
  NVMe: Fix uninitialized iod compiler warning
  NVMe: Do not set IO queue depth beyond device max
  NVMe: Set block queue max sectors
  NVMe: use namespace id for nvme_get_features
  NVMe: replace nvme_ns with nvme_dev for user admin
  NVMe: Fix nvme module init when nvme_major is set
  NVMe: Set request queue logical block size
2012-09-29 10:31:52 -07:00
Ingo Molnar
39ba5010d3 Option to let the bios set per-bank CMCI thresholds so they can
filter noisy error sources at a fine grained level based on platform
 specific knowledge.
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Merge tag 'please-pull-naveen' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras into x86/mce

Pull MCE updates from Tony Luck:

 "Option to let the bios set per-bank CMCI thresholds so they can
  filter noisy error sources at a fine grained level based on platform
  specific knowledge."

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-09-29 10:16:29 +02:00
Lin Ming
188c517a05 ipv6: return errno pointers consistently for fib6_add_1()
fib6_add_1() should consistently return errno pointers,
rather than a mixture of NULL and errno pointers.

Signed-off-by: Lin Ming <mlin@ss.pku.edu.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:48:28 -04:00
David S. Miller
24cad1b4ce Merge branch 'for-davem' of git://gitorious.org/linux-can/linux-can-next
Marc Kleine-Budde says:

====================
this pull request is for net-next, for the v3.7 release cycle.
AnilKumar Ch contributed a fix for a segfault in the c_can driver,
which is triggered by an earlier commit [1] in net-next (so no backport
is needed).
...
[1] 4cdd34b can: c_can: Add runtime PM support to Bosch C_CAN/D_CAN controller
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:46:29 -04:00
Steve Glendinning
6c63650326 smsc75xx: add wol magic packet support
This patch enables wake from system suspend on magic packet.

Patch updated to change BUG_ON to WARN_ON_ONCE.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:35:47 -04:00
Steve Glendinning
16c79a04e2 smsc75xx: enable power saving mode during system suspend
This patch instructs the device to enter its lowest power SUSPEND2
state during system suspend.

This patch also explicitly wakes the device after resume, which
should address reports of the device not automatically coming
back after system suspend:

Patch updated to change BUG_ON to WARN_ON_ONCE.

http://code.google.com/p/chromium-os/issues/detail?id=31871

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:35:47 -04:00
Steve Glendinning
8762cec8d9 smsc75xx: add explicit test that device is READY
This patch adds an explicit test that the READY bit is set on
the device when attempting to initialize it.

If this bit is clear then the device hasn't succesfully started
all its clocks, and this patch helps make the resulting logged
error more helpful.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:35:47 -04:00
Steve Glendinning
e0e474a83c smsc95xx: add wol magic packet support
This patch enables wake from system suspend on magic packet.

Patch updated to replace BUG_ON with WARN_ON_ONCE and return.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:34:58 -04:00
Steve Glendinning
b5a0447586 smsc95xx: enable power saving mode during system suspend
This patch enables the device to enter its lowest power SUSPEND2
state during system suspend, instead of staying up using full power.

Patch updated to not add two pointers to .suspend & .resume.

Patch updated to replace BUG_ON with WARN_ON_ONCE and return.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:34:58 -04:00
Steve Glendinning
c954679cf7 smsc95xx: fix resume when usb device is reset
This patch fixes an issue on some systems, where after suspend the
link is re-established but the ethernet interface does not resume.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:34:58 -04:00
Steve Glendinning
769ea6d89d smsc95xx: check return code from control messages
This patch adds additional checks of the values returned by
smsc95xx_(read|write)_reg, and wraps their common patterns
in macros.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:34:57 -04:00
Steve Glendinning
4436761b63 smsc95xx: remove unnecessary variables
Removes unnecessary variables as smsc95xx_write_reg takes its
value by parameter.  Early versions passed this parameter by
reference.

Also replace hardcoded interrupt status value with a #define

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:34:57 -04:00
Steve Glendinning
cf2acec2e9 smsc95xx: sleep before read for lengthy operations
During init, the device reset is unexpected to complete immediately,
so sleep before testing the condition rather than after it.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 18:34:57 -04:00
Shirish Pargaonkar
c052e2b423 cifs: obtain file access during backup intent lookup (resend)
Rebased and resending the patch.

Path based queries can fail for lack of access, especially during lookup
during open.
open itself would actually succeed becasue of back up intent bit
but queries (either path or file handle based) do not have a means to
specifiy backup intent bit.
So query the file info during lookup using
 trans2 / findfirst / file_id_full_dir_info
to obtain file info as well as file_id/inode value.

Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Acked-by: Jeff Layton <jlayton@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-28 15:32:28 -05:00
Arnd Bergmann
b0247eac31 ARM: nomadik: remove NAND_NO_READRDY use
The nhk8815 board files uses NAND_NO_READRDY in its platform data, but
this macro is getting removed because it was not being used anywhere.

Without this patch, building nhk8815_defconfig results in:

arch/arm/mach-nomadik/board-nhk8815.c:118:6: error: 'NAND_NO_READRDY' undeclared here (not in a function)

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alessandro Rubini <rubini@unipv.it>
Cc: Linus Walleij <linus.walleij@linaro.org>
2012-09-28 22:13:02 +02:00
David S. Miller
42a4172b6e sparc64: Fix trailing whitespace in NG4 memcpy.
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 13:08:22 -07:00
Arnd Bergmann
b98138e00d Merge branch 'cleanup/__iomem' into next/cleanup2
* cleanup/__iomem:
  ARM: Orion5x: ts78xx: Add IOMEM for virtual addresses.
  ARM: ux500: use __iomem pointers for MMIO

Two new cleanup patches that were not already part of the
first cleanup branch.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28 22:07:14 +02:00
Andrew Lunn
ac3524b7f5 ARM: Orion5x: ts78xx: Add IOMEM for virtual addresses.
Also convert logical or to + for register offsets from base
addresses. This fixes a number of warnings currently seen in
linux-next:

warning: passing argument 2 of '__raw_writeb' makes pointer from
interger without cast.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28 22:04:48 +02:00
Arnd Bergmann
20ef52a885 ARM: ux500: use __iomem pointers for MMIO
In the earlier sweeping changes, the ux500 uncompress.h file was missed
because other problems were hiding this one.

Without this patch, building u8500_defconfig results in:

In file included from arch/arm/boot/compressed/misc.c:33:0:
arch/arm/mach-ux500/include/mach/uncompress.h: In function 'putc':
arch/arm/mach-ux500/include/mach/uncompress.h:32:2: warning: passing argument 1 of '__raw_readb' makes pointer from integer without a cast [enabled by default]
arch/arm/include/asm/io.h:95:89: note: expected 'const volatile void *' but argument is of type 'u32'

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
2012-09-28 22:03:41 +02:00
Arnd Bergmann
28901c1fed ARM: shmobile: add new __iomem annotation for new code
While we fixed up all instances that were already present in v3.6,
this one came in through new code.

Without this patch, building kzm9g_defconfig results in:

arch/arm/mach-shmobile/board-kzm9g.c: In function 'kzm9g_restart':
arch/arm/mach-shmobile/board-kzm9g.c:781:2: warning: passing argument 2 of '__raw_writel' makes pointer from integer without a cast [enabled by default]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Cc: Simon Horman <horms@verge.net.au>
2012-09-28 21:58:16 +02:00
Arnd Bergmann
df69a4627e Merge branch 'bcmring/removal' into next/multiplatform
The removal of bcmring has non-obvious commits with the way the
multiplatform configuration works, so merge it in here.

Conflicts:
	arch/arm/Kconfig
	arch/arm/Makefile
	arch/arm/mach-bcmring/arch.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28 21:51:38 +02:00
Arnd Bergmann
0b40b4b443 Merge branch 'bcmring/removal' into next/cleanup2
From "Christian Daudt" <csd@broadcom.com>:

Remove mach-bcmring as this is no longer maintained or used.

Updated the removal with:
 - drop the edit to mach-types requested by Russell King
 - eliminate defconfig mod from patch 1 requested Olof Johansson

Also switched to using git send-email to avoid word-wrapping
problems

* bcmring/removal:
  ARM: Remove mach-bcmring

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28 21:43:35 +02:00
Arnd Bergmann
25e4b485fb Merge branch 'bcmring/cleanup' into bcmring/removal
Doing a large-scale cleaning and removing the platform in another
branch don't mix well, so do the trivial merge here.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28 21:41:56 +02:00
Arnd Bergmann
abbb0db2bd ARM: Remove mach-bcmring
Remove mach-bcmring as this is no longer maintained or used.

Signed-off-by: Christian Daudt <csd@broadcom.com>
Reviewed-by: Jiandong Zheng <jdzheng@broadcom.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28 21:40:31 +02:00
Arnd Bergmann
4369c5f3ae Merge branch 'clps711x/cleanup' into next/cleanup2
Various cleanups for the clps711x platform from
Alexander Shiyan <shc_work@mail.ru> via email:

* clps711x/cleanup:
  ARM: clps711x: Remove board support for CEIVA
  ARM: clps711x: Fix register definitions
  ARM: clps711x: Fix lowlevel debug-macro
  ARM: clps711x: Added simple clock framework

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28 21:20:13 +02:00
Alexander Shiyan
1c3a918f78 ARM: clps711x: Remove board support for CEIVA
The current kernel does not fit in the CEIVA ROM. Also, some functional
has already been removed due migrate from 2.6 to 3.0, and it seems that
no one uses this platform. So, remove support for this board and modules
specific only to this board.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
2012-09-28 21:14:08 +02:00
Alexander Shiyan
afc49177b4 ARM: clps711x: Fix register definitions
This patch contain some fixes:
- Fixes the address of register PORTE.
- Corrects name for DAIDR0 register.
- Removes unused definition for SYNCIO_CFGLEN.
- Fixes definition SYNCIO_FRMLEN.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
2012-09-28 21:14:07 +02:00
Alexander Shiyan
7255f87a71 ARM: clps711x: Fix lowlevel debug-macro
CTS signal can not be used for the port and tied to any logic state.
In this case we have an infinite loop waiting for the signal. For fix
this problem, checking CTS removed, waiting for the signal "busy" was
postponed after the byte write to the port.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
2012-09-28 21:14:07 +02:00
Alexander Shiyan
61ae48c3cb ARM: clps711x: Added simple clock framework
Modern CPUs from CLPS711X-line can operate at frequencies other than 73 MHz.
This patch adds simple clock framework for handling all possible CPU rates.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
2012-09-28 21:14:07 +02:00
Linus Torvalds
9c603e53d3 mtdchar: fix offset overflow detection
Sasha Levin has been running trinity in a KVM tools guest, and was able
to trigger the BUG_ON() at arch/x86/mm/pat.c:279 (verifying the range of
the memory type).  The call trace showed that it was mtdchar_mmap() that
created an invalid remap_pfn_range().

The problem is that mtdchar_mmap() does various really odd and subtle
things with the vma page offset etc, and uses the wrong types (and the
wrong overflow) detection for it.

For example, the page offset may well be 32-bit on a 32-bit
architecture, but after shifting it up by PAGE_SHIFT, we need to use a
potentially 64-bit resource_size_t to correctly hold the full value.

Also, we need to check that the vma length plus offset doesn't overflow
before we check that it is smaller than the length of the mtdmap region.

This fixes things up and tries to make the code a bit easier to read.

Reported-and-tested-by: Sasha Levin <levinsasha928@gmail.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Artem Bityutskiy <dedekind1@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-09-28 12:13:46 -07:00
David S. Miller
6a06e5e1bb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/team/team.c
	drivers/net/usb/qmi_wwan.c
	net/batman-adv/bat_iv_ogm.c
	net/ipv4/fib_frontend.c
	net/ipv4/route.c
	net/l2tp/l2tp_netlink.c

The team, fib_frontend, route, and l2tp_netlink conflicts were simply
overlapping changes.

qmi_wwan and bat_iv_ogm were of the "use HEAD" variety.

With help from Antonio Quartulli.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28 14:40:49 -04:00
Sujith Manoharan
5160b46f3e ath9k: Fix BTCOEX weight initialization
The WLAN/BT weights have to set correctly before BTCOEX
is initialized. Currently, this is not done for all chips
in the AR9003 family. This patch fixes this issue by setting
the weights in the init path. While at it, rename ar9462_wlan_weights
to mci_wlan_weights since it is common to both AR9462 and AR9565.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:10 -04:00
Wei Yongjun
5570a914f2 mwifiex: convert to use le16_add_cpu()
Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:10 -04:00
Avinash Patil
2db96c3d0a mwifiex: enhance RX reordering to avoid packet drop during host sleep
Once hostsleep is activated, this patch takes care of not
dropping packets in RX reorder table.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:10 -04:00
Sven Eckelmann
ff9bd2d8d9 ath9k_hw: Handle AR_INTR_SYNC_HOST1_(FATAL|PERR) on AR9003
Interrupts with the sync_cause AR_INTR_SYNC_HOST1_FATAL and
AR_INTR_SYNC_HOST1_PERR have to be handled using a chip reset. Otherwise a
interrupt storm with unhandled interrupts will cause a hang or crash of the
machine.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:10 -04:00
Arend van Spriel
6c8c4f7299 brcmfmac: remove brcmf_update_prof() function
The function brcmf_update_prof() only add complexity that is not
needed.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:09 -04:00
Arend van Spriel
06bb123e59 brcmfmac: remove brcmf_read_prof() function
The function brcmf_read_prof() provided access to fields
with brcmf_cfg80211_profile structure using a field id,
but the calling function can easily access that structure
directly. This patch removes the function.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:09 -04:00
Arend van Spriel
27a68fe391 brcmfmac: rename structure brcmf_cfg80211_priv
Renamed structure to brcmf_cfg80211_info as it is not really a
private structure since it is exposed in header file.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:09 -04:00
Hante Meuleman
1a87334239 brcmfmac: add hostap supoort.
This patch adds support for host AP mode.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:09 -04:00
Arend van Spriel
5db6e95645 brcmfmac: remove two obsolete structure definitions
The structures brcmf_cfg80211_dev and brcmf_cfg80211_iface are only
adding complexity and provide no additional value. These have been
removed in this patch.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:08 -04:00
Arend van Spriel
b451ec94de brcmfmac: use brcmf_cfg80211_priv to interface with wl_cfg80211 code
The low-level driver part interfaces with wl_cfg80211 part using
brcmf_cfg80211_dev structure as handle. As brcmf_cfg80211_priv
is defined in interface it is more efficient to use that as handle
in function calls.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:08 -04:00
Arend van Spriel
c3567a04cd brcmfmac: get rid of extern keyword in wl_cfg80211.h
The function declarations in wl_cfg80211.h used the extern keyword
but it is redundant as that is implicit so they were removed.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:08 -04:00
Hante Meuleman
1e2d958b51 brcmfmac: notify common driver about usb tx completion.
brcmf_usb_tx_complete now calls brcmf_txcomplete to correct
eapol counter.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:08 -04:00
Hante Meuleman
0401289505 brcmfmac: use define instead of hardcoded values.
brcmf_parse_tlvs was using hardcoded values.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:08 -04:00
Hante Meuleman
f09d0c02b6 brcmfmac: use different fw api for encryption,auth. config
This patch changes the commands being used to configure
encryption and authentication. These new methods are needed
for when p2p and hostap support are added.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:07 -04:00
Hante Meuleman
70398a5929 brcmfmac: use wait_event_timeout for fw control packets over usb.
firmware control packets over usb are async acked. This is
awaited for by using interruptible wait. This can be
interrupted by signal which results in undesirable behavior.
Instead wait_event_timeout is used.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:07 -04:00
Larry Finger
2d838bb608 b43legacy: Fix crash on unload when firmware not available
When b43legacy is loaded without the firmware being available, a following
unload generates a kernel NULL pointer dereference BUG as follows:

[  214.330789] BUG: unable to handle kernel NULL pointer dereference at 0000004c
[  214.330997] IP: [<c104c395>] drain_workqueue+0x15/0x170
[  214.331179] *pde = 00000000
[  214.331311] Oops: 0000 [#1] SMP
[  214.331471] Modules linked in: b43legacy(-) ssb pcmcia mac80211 cfg80211 af_packet mperf arc4 ppdev sr_mod cdrom sg shpchp yenta_socket pcmcia_rsrc pci_hotplug pcmcia_core battery parport_pc parport floppy container ac button edd autofs4 ohci_hcd ehci_hcd usbcore usb_common thermal processor scsi_dh_rdac scsi_dh_hp_sw scsi_dh_emc scsi_dh_alua scsi_dh fan thermal_sys hwmon ata_generic pata_ali libata [last unloaded: cfg80211]
[  214.333421] Pid: 3639, comm: modprobe Not tainted 3.6.0-rc6-wl+ #163 Source Technology VIC 9921/ALI Based Notebook
[  214.333580] EIP: 0060:[<c104c395>] EFLAGS: 00010246 CPU: 0
[  214.333687] EIP is at drain_workqueue+0x15/0x170
[  214.333788] EAX: c162ac40 EBX: cdfb8360 ECX: 0000002a EDX: 00002a2a
[  214.333890] ESI: 00000000 EDI: 00000000 EBP: cd767e7c ESP: cd767e5c
[  214.333957]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[  214.333957] CR0: 8005003b CR2: 0000004c CR3: 0c96a000 CR4: 00000090
[  214.333957] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[  214.333957] DR6: ffff0ff0 DR7: 00000400
[  214.333957] Process modprobe (pid: 3639, ti=cd766000 task=cf802e90 task.ti=cd766000)
[  214.333957] Stack:
[  214.333957]  00000292 cd767e74 c12c5e09 00000296 00000296 cdfb8360 cdfb9220 00000000
[  214.333957]  cd767e90 c104c4fd cdfb8360 cdfb9220 cd682800 cd767ea4 d0c10184 cd682800
[  214.333957]  cd767ea4 cba31064 cd767eb8 d0867908 cba31064 d087e09c cd96f034 cd767ec4
[  214.333957] Call Trace:
[  214.333957]  [<c12c5e09>] ? skb_dequeue+0x49/0x60
[  214.333957]  [<c104c4fd>] destroy_workqueue+0xd/0x150
[  214.333957]  [<d0c10184>] ieee80211_unregister_hw+0xc4/0x100 [mac80211]
[  214.333957]  [<d0867908>] b43legacy_remove+0x78/0x80 [b43legacy]
[  214.333957]  [<d083654d>] ssb_device_remove+0x1d/0x30 [ssb]
[  214.333957]  [<c126f15a>] __device_release_driver+0x5a/0xb0
[  214.333957]  [<c126fb07>] driver_detach+0x87/0x90
[  214.333957]  [<c126ef4c>] bus_remove_driver+0x6c/0xe0
[  214.333957]  [<c1270120>] driver_unregister+0x40/0x70
[  214.333957]  [<d083686b>] ssb_driver_unregister+0xb/0x10 [ssb]
[  214.333957]  [<d087c488>] b43legacy_exit+0xd/0xf [b43legacy]
[  214.333957]  [<c1089dde>] sys_delete_module+0x14e/0x2b0
[  214.333957]  [<c110a4a7>] ? vfs_write+0xf7/0x150
[  214.333957]  [<c1240050>] ? tty_write_lock+0x50/0x50
[  214.333957]  [<c110a6f8>] ? sys_write+0x38/0x70
[  214.333957]  [<c1397c55>] syscall_call+0x7/0xb
[  214.333957] Code: bc 27 00 00 00 00 a1 74 61 56 c1 55 89 e5 e8 a3 fc ff ff 5d c3 90 55 89 e5 57 56 89 c6 53 b8 40 ac 62 c1 83 ec 14 e8 bb b7 34 00 <8b> 46 4c 8d 50 01 85 c0 89 56 4c 75 03 83 0e 40 80 05 40 ac 62
[  214.333957] EIP: [<c104c395>] drain_workqueue+0x15/0x170 SS:ESP 0068:cd767e5c
[  214.333957] CR2: 000000000000004c
[  214.341110] ---[ end trace c7e90ec026d875a6 ]---Index: wireless-testing/drivers/net/wireless/b43legacy/main.c

The problem is fixed by making certain that the ucode pointer is not NULL
before deregistering the driver in mac80211.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>   [v 3.3.0+]
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:07 -04:00
Bala Shanmugam
6a73f507cf ath9k: Enable MCI for AR9565
Signed-off-by: Bala Shanmugam <bkamatch@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:07 -04:00
Dan Carpenter
58901d181f brcmfmac: use kcalloc() to prevent integer overflow
The multiplication here looks like it could overflow.  I've changed it
to use kcalloc() to prevent that.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:06 -04:00
Sujith Manoharan
365d2ebcab ath9k: Fix chainmask selection for AR9462
Force chain 1 to be used for CCK rates since the target power
table stored in EEPROM is too high to transmit with both chains.
This is needed to avoid regulatory violation.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 13:54:06 -04:00