safe/jmp/linux-2.6
14 years agoMerge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Sun, 21 Feb 2010 00:56:09 +0000 (16:56 -0800)]
Merge branch 'v4l_for_linus' of git://git./linux/kernel/git/mchehab/linux-2.6

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
  V4L/DVB: bttv: Move I2C IR initialization
  V4L/DVB: Video : pwc : Fix regression in pwc_set_shutter_speed caused by bad  constant => sizeof conversion.
  soc-camera: mt9t112: modify exiting conditions from standby mode
  V4L/DVB: cxusb: Select all required frontend and tuner modules
  V4L/DVB: dvb: l64781.ko broken with gcc 4.5

14 years agoMerge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 21 Feb 2010 00:55:41 +0000 (16:55 -0800)]
Merge branch 'omap-fixes-for-linus' of git://git./linux/kernel/git/tmlind/linux-omap-2.6

* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
  omap: Remove DEBUG_FS dependency for mux name checking

14 years agoMerge master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Sun, 21 Feb 2010 00:55:05 +0000 (16:55 -0800)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: allow alignment fault mode to be configured at kernel boot
  ARM: Update mach-types
  ARM: 5951/1: ARM: fix documentation of the PrimeCell bus
  ARM: 5950/1: ARM: Fix build error for arm1026ej-s processor
  MAINTAINERS: fix my e-mail and status for Gemini and FA526
  Gemini: wrong registers used to set reg_level in gpio_set_irq_type()
  ARM: 5944/1: scsi: fix timer setup in fas216.c
  ARM: 5938/1: ARM: L2: export outer_cache_fns

14 years agoARM: allow alignment fault mode to be configured at kernel boot
Russell King [Sat, 20 Feb 2010 16:13:29 +0000 (16:13 +0000)]
ARM: allow alignment fault mode to be configured at kernel boot

Some glibc versions intentionally create lots of alignment faults in
their gconv code, which if not fixed up, results in segfaults during
boot.  This can prevent systems booting properly.

There is no clear hard-configurable default for this; the desired
default depends on the nature of the userspace which is going to be
booted.

So, provide a way for the alignment fault handler to be configured via
the kernel command line.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoCacheFiles: Fix a race in cachefiles_delete_object() vs rename
David Howells [Fri, 19 Feb 2010 18:14:21 +0000 (18:14 +0000)]
CacheFiles: Fix a race in cachefiles_delete_object() vs rename

cachefiles_delete_object() can race with rename.  It gets the parent directory
of the object it's asked to delete, then locks it - but rename may have changed
the object's parent between the get and the completion of the lock.

However, if such a circumstance is detected, we abandon our attempt to delete
the object - since it's no longer in the index key path, it won't be seen
again by lookups of that key.  The assumption is that cachefilesd may have
culled it by renaming it to the graveyard for later destruction.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
14 years agoARM: Update mach-types
Russell King [Sat, 20 Feb 2010 14:16:16 +0000 (14:16 +0000)]
ARM: Update mach-types

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: 5951/1: ARM: fix documentation of the PrimeCell bus
Linus Walleij [Sat, 20 Feb 2010 08:41:30 +0000 (09:41 +0100)]
ARM: 5951/1: ARM: fix documentation of the PrimeCell bus

This fixes the filepath encoded in <linux/amba/bus.h> and adds
some documentation as to what this bus really means.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: 5950/1: ARM: Fix build error for arm1026ej-s processor
Abdoulaye Walsimou Gaye [Fri, 19 Feb 2010 11:47:14 +0000 (12:47 +0100)]
ARM: 5950/1: ARM: Fix build error for arm1026ej-s processor

This patch fix the below build error for arm1026ej-s processor (IntegratorCP/arm1026ej-s board).
  CC      init/main.o
In file included from include/linux/highmem.h:8,
                 from include/linux/pagemap.h:10,
                 from include/linux/mempolicy.h:62,
                 from init/main.c:52:
arch/arm/include/asm/cacheflush.h:134:2: error: #error Unknown cache maintainence model
make[1]: *** [init/main.o] Erreur 1
make: *** [init] Erreur 2

Signed-off-by: Abdoulaye Walsimou Gaye <walsimou@walsimou.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoInput: polldev can cause crash in case when polling disabled
Samu Onkalo [Sat, 20 Feb 2010 07:17:58 +0000 (23:17 -0800)]
Input: polldev can cause crash in case when polling disabled

When polled input device is opened and closed and there are no other
users of polled device, the workqueue is created and destroyed in
every open / close operation. It is probable that at some point
dynamic allocation of internal parts of the workqueue cause changes to the
workqueue.

When a work is queued to the workqueue the work struct contains pointers
to the workqueue data. If the workqueue has been changed and the work
has never been queued to the new workqueue, work-struct contains pointers
to the non-existing workqueue. This will cause crash at the work
cancellation during device close since cancellation of a work assumes
that the workqueue exists.

To prevent that, work struct is cleaned up at device close. This keeps
work struct clean for the next use.

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
14 years agovfs: don't call ima_file_check() unconditionally in nfsd_open()
Chuck Ebbert [Mon, 15 Feb 2010 23:07:39 +0000 (18:07 -0500)]
vfs: don't call ima_file_check() unconditionally in nfsd_open()

commit 1e41568d7378d1ba8c64ba137b9ddd00b59f893a ("Take ima_path_check()
in nfsd past dentry_open() in nfsd_open()") moved this code back to its
original location but missed the "else".

Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
Linus Torvalds [Sat, 20 Feb 2010 03:35:20 +0000 (19:35 -0800)]
Merge git://git./linux/kernel/git/jejb/scsi-rc-fixes-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] megaraid_sas: fix for 32bit apps
  [SCSI] fcoe: Only rmmod fcoe.ko if there are no active connections
  [SCSI] libfcoe: Send port LKA every FIP_VN_KA_PERIOD secs.
  [SCSI] libfc: Don't assume response request present.
  [SCSI] libfc: Fix e_d_tov ns -> ms scaling factor in PLOGI response.
  [SCSI] libfc: call ddp setup for only FCP reads to avoid accessing junk fsp pointer
  [SCSI] iscsi_tcp regression: remove bogus warn on in write path

14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Sat, 20 Feb 2010 03:34:56 +0000 (19:34 -0800)]
Merge git://git./linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  sfc: SFE4002/SFN4112F: Widen temperature and voltage tolerances
  sfc: Fix sign of efx_mcdi_poll_reboot() error in efx_mcdi_poll()
  net-sysfs: Use rtnl_trylock in wireless sysfs methods.
  net: Fix sysctl restarts...

14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
Linus Torvalds [Sat, 20 Feb 2010 03:34:40 +0000 (19:34 -0800)]
Merge git://git./linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Fix sun4u execute bit check in TSB I-TLB load.
  sparc: Fix incorrect comparison in of_bus_ambapp_match()
  sparc64: Sync of_create_pci_dev() with drivers/pci/probe.c changes.
  sparc64: Tighten checks in kstack_valid().

14 years agoMerge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
Linus Torvalds [Sat, 20 Feb 2010 03:33:51 +0000 (19:33 -0800)]
Merge branch 'drm-linus' of git://git./linux/kernel/git/airlied/drm-2.6

* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon: bump the UMS driver version number to indicate rv740 fix
  drm/radeon/kms: free fence IB if it wasn't emited at IB free time
  drm/ttm: fix caching problem on non-PAT systems.
  drm/radeon/rv740: fix backend setup
  drm/radeon/kms: fix shared ddc detection
  drm/radeon/kms/rs600: add connector quirk
  vgaarb: fix "target=default" passing

14 years agosfc: SFE4002/SFN4112F: Widen temperature and voltage tolerances
Ben Hutchings [Fri, 19 Feb 2010 13:34:03 +0000 (13:34 +0000)]
sfc: SFE4002/SFN4112F: Widen temperature and voltage tolerances

The temperature and voltage limits currently set on these boards are
too conservative and will cause the driver to stop the net device
erroneously in some systems.

Based on a review of the chip datasheets and advice from the designer
of these boards:

- Raise the maximum board temperatures to the specified maximum ambient
  temperatures for their PHYs plus the expected temperature bias of the
  board
- Raise the maximum controller temperature to 90 degrees
- Lower the minimum temperatures to 0 degrees
- Widen the voltage tolerances to at least +/- 10%

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agosfc: Fix sign of efx_mcdi_poll_reboot() error in efx_mcdi_poll()
Ben Hutchings [Fri, 19 Feb 2010 13:29:27 +0000 (13:29 +0000)]
sfc: Fix sign of efx_mcdi_poll_reboot() error in efx_mcdi_poll()

efx_mcdi_poll() uses positive error numbers, matching the MCDI
protocol.  It must negate the result of efx_mcdi_poll_reboot() which
returns the usual negative error numbers.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agonet-sysfs: Use rtnl_trylock in wireless sysfs methods.
Eric W. Biederman [Fri, 19 Feb 2010 13:23:47 +0000 (13:23 +0000)]
net-sysfs: Use rtnl_trylock in wireless sysfs methods.

The wireless sysfs methods like the rest of the networking sysfs
methods are removed with the rtnl_lock held and block until
the existing methods stop executing.  So use rtnl_trylock
and restart_syscall so that the code continues to work.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agonet: Fix sysctl restarts...
Eric W. Biederman [Fri, 19 Feb 2010 13:22:59 +0000 (13:22 +0000)]
net: Fix sysctl restarts...

Yuck.  It turns out that when we restart sysctls we were restarting
with the values already changed.  Which unfortunately meant that
the second time through we thought there was no change and skipped
all kinds of work, despite the fact that there was indeed a change.

I have fixed this the simplest way possible by restoring the changed
values when we restart the sysctl write.

One of my coworkers spotted this bug when after disabling forwarding
on an interface pings were still forwarded.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agosparc64: Fix sun4u execute bit check in TSB I-TLB load.
David S. Miller [Fri, 19 Feb 2010 23:19:52 +0000 (15:19 -0800)]
sparc64: Fix sun4u execute bit check in TSB I-TLB load.

Thanks to testcase and report from Brad Spengler:

--------------------
#include <stdio.h>

typedef int (* _wee)(void);

int main(void)
{
        char buf[8] = { '\x81', '\xc7', '\xe0', '\x08', '\x81', '\xe8',
                        '\x00', '\x00' };
        _wee wee;
        printf("%p\n", &buf);
        wee = (_wee)&buf;
        wee();

        return 0;
}
--------------------

TSB I-tlb load code tries to use andcc to check the _PAGE_EXEC_4U bit,
but that's bit 12 so it gets sign extended all the way up to bit 63
and the test nearly always passes as a result.

Use sethi to fix the bug.

Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agodrm/radeon: bump the UMS driver version number to indicate rv740 fix
Dave Airlie [Fri, 19 Feb 2010 23:17:18 +0000 (09:17 +1000)]
drm/radeon: bump the UMS driver version number to indicate rv740 fix

This lets UMS userspace know the rv740 fix is in. For KMS we can
consider the kernel release to be the v2.0.0 release so we don't need the
bump there.

Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/radeon/kms: free fence IB if it wasn't emited at IB free time
Jerome Glisse [Thu, 18 Feb 2010 13:13:29 +0000 (13:13 +0000)]
drm/radeon/kms: free fence IB if it wasn't emited at IB free time

If at IB free time fence wasn't emited that means the IB wasn't
scheduled because an error occured somewhere, thus we can free
then fence and mark the IB as free.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/ttm: fix caching problem on non-PAT systems.
Francisco Jerez [Fri, 19 Feb 2010 21:30:15 +0000 (07:30 +1000)]
drm/ttm: fix caching problem on non-PAT systems.

http://bugzilla.kernel.org/show_bug.cgi?id=15328

This fixes a serious regression on AGP/non-PAT systems, where
pages were ending up in the wrong state and slowing down the
whole system.

[airlied: taken this from the bug as the other option is to revert
the change which caused it].

Tested-by: John W. Linville (in bug).
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/radeon/rv740: fix backend setup
Alex Deucher [Fri, 19 Feb 2010 21:07:02 +0000 (16:07 -0500)]
drm/radeon/rv740: fix backend setup

This patch fixes occlusion queries and rendering errors
on rv740 boards. Hardcoding the backend map is not an optimal
solution, but a better fix is being worked on.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/radeon/kms: fix shared ddc detection
Alex Deucher [Fri, 19 Feb 2010 07:13:56 +0000 (02:13 -0500)]
drm/radeon/kms: fix shared ddc detection

Just compare the i2c id since the i2c structs
may be slighly different.

Fixes fdo bug 26616.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/radeon/kms/rs600: add connector quirk
Alex Deucher [Thu, 18 Feb 2010 19:14:58 +0000 (14:14 -0500)]
drm/radeon/kms/rs600: add connector quirk

rs600 board lists DVI port as HDMI.

Fixes fdo bug 26605

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agovgaarb: fix "target=default" passing
Kyle McMartin [Tue, 16 Feb 2010 21:18:37 +0000 (16:18 -0500)]
vgaarb: fix "target=default" passing

Commit 77c1ff3982c6b36961725dd19e872a1c07df7f3b fixed the userspace
pointer dereference, but introduced another bug pointed out by Eugene Teo
in RH bug #564264. Instead of comparing the point we were at in the string,
we instead compared the beginning of the string to "default".

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Reported-by: Eugene Teo <eteo@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years ago[SCSI] megaraid_sas: fix for 32bit apps
Tomas Henzl [Thu, 11 Feb 2010 17:01:50 +0000 (18:01 +0100)]
[SCSI] megaraid_sas: fix for 32bit apps

It looks like this patch -

commit 7b2519afa1abd1b9f63aa1e90879307842422dae
Author: Yang, Bo <Bo.Yang@lsi.com>
Date:   Tue Oct 6 14:52:20 2009 -0600

    [SCSI] megaraid_sas: fix 64 bit sense pointer truncation

has caused a problem for 32bit programs with 64bit os -

http://bugzilla.kernel.org/show_bug.cgi?id=15001

fix by converting the user space 32bit pointer to a 64 bit one when
needed.

[jejb: fix up some 64 bit warnings]
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Cc: Bo Yang <Bo.Yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
14 years agoiwlwifi: set HT flags after channel in rxon
Dan Halperin [Fri, 19 Feb 2010 06:01:39 +0000 (22:01 -0800)]
iwlwifi: set HT flags after channel in rxon

The HT extension channel settings require priv->staging_rxon.channel to be
accurate. However, iwl_set_rxon_ht was being called before iwl_set_rxon_channel
and thus HT40 could be broken unless another call to iwl_mac_config came in.

This problem was recently introduced by "iwlwifi: Fix to set correct ht
configuration"

The particular setting in which I noticed this was monitor mode:

iwconfig wlan0 mode monitor
ifconfig wlan0 up
./iw wlan0 set channel 64 HT40-
#./iw wlan0 set channel 64 HT40-
tcpdump -i wlan0 -y IEEE802_11_RADIO

would only catch HT40 packets if I issued the IW command twice.

From visual inspection, iwl_set_rxon_channel does not depend on
iwl_set_rxon_ht, so simply swapping them should be safe and fixes this problem.

Signed-off-by: Daniel Halperin <dhalperi@cs.washington.edu>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
CC: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agohw-breakpoint: Keep track of dr7 local enable bits
Frederic Weisbecker [Thu, 18 Feb 2010 17:24:18 +0000 (18:24 +0100)]
hw-breakpoint: Keep track of dr7 local enable bits

When the user enables breakpoints through dr7, he can choose
between "local" or "global" enable bits but given how linux is
implemented, both have the same effect.

That said we don't keep track how the user enabled the breakpoints
so when the user requests the dr7 value, we only translate the
"enabled" status using the global enabled bits. It means that if
the user enabled a breakpoint using the local enabled bit, reading
back dr7 will set the global bit and clear the local one.

Apps like Wine expect a full dr7 POKEUSER/PEEKUSER match for emulated
softwares that implement old reverse engineering protection schemes.

We fix that by keeping track of the whole dr7 value given by the user
in the thread structure to drop this bug. We'll think about
something more proper later.

This fixes a 2.6.32 - 2.6.33-x ptrace regression.

Reported-and-tested-by: Michael Stefaniuc <mstefani@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Maneesh Soni <maneesh@linux.vnet.ibm.com>
Cc: Alexandre Julliard <julliard@winehq.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Maciej Rutecki <maciej.rutecki@gmail.com>
14 years agohw-breakpoints: Accept breakpoints on NULL address
Frederic Weisbecker [Thu, 18 Feb 2010 15:00:59 +0000 (16:00 +0100)]
hw-breakpoints: Accept breakpoints on NULL address

Before we had a generic breakpoint API, ptrace was accepting
breakpoints on NULL address in x86. The new API refuse them,
without given strong reasons. We need to follow the previous
behaviour as some userspace apps like Wine need such NULL
breakpoints to ensure old emulated software protections
are still working.

This fixes a 2.6.32 - 2.6.33-x ptrace regression.

Reported-and-tested-by: Michael Stefaniuc <mstefani@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: K.Prasad <prasad@linux.vnet.ibm.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Maneesh Soni <maneesh@linux.vnet.ibm.com>
Cc: Alexandre Julliard <julliard@winehq.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Maciej Rutecki <maciej.rutecki@gmail.com>
14 years agofs: inode - remove 8 bytes of padding on 64bits allowing 1 more objects/slab under...
Richard Kennedy [Mon, 15 Feb 2010 11:16:11 +0000 (11:16 +0000)]
fs: inode - remove 8 bytes of padding on 64bits allowing 1 more objects/slab under slub

This removes 8 bytes of padding from struct inode on 64bit builds, and
so allows 1 more object/slab in the inode_cache when using slub.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
----
patch against 2.6.33-rc8
compiled & tested on x86_64 AMDX2

I've been running this patch for over a week with no obvious problems
regards
Richard
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
14 years agoSwitch proc/self to nd_set_link()
Al Viro [Thu, 14 Jan 2010 06:03:28 +0000 (01:03 -0500)]
Switch proc/self to nd_set_link()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
14 years agofix LOOKUP_FOLLOW on automount "symlinks"
Al Viro [Tue, 16 Feb 2010 18:09:36 +0000 (18:09 +0000)]
fix LOOKUP_FOLLOW on automount "symlinks"

Make sure that automount "symlinks" are followed regardless of LOOKUP_FOLLOW;
it should have no effect on them.

Cc: stable@kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
14 years agoACPI: Fix regression where _PPC is not read at boot even when ignore_ppc=0
Darrick J. Wong [Thu, 18 Feb 2010 18:28:20 +0000 (10:28 -0800)]
ACPI: Fix regression where _PPC is not read at boot even when ignore_ppc=0

Earlier, Ingo Molnar posted a patch to make it so that the kernel would avoid
reading _PPC on his broken T60.  Unfortunately, it seems that with Thomas
Renninger's patch last July to eliminate _PPC evaluations when the processor
driver loads, the kernel never actually reads _PPC at all!  This is problematic
if you happen to boot your non-T60 computer in a state where the BIOS _wants_
_PPC to be something other than zero.

So, put the _PPC evaluation back into acpi_processor_get_performance_info if
ignore_ppc isn't 1.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Len Brown <len.brown@intel.com>
14 years agoacer-wmi: Respect current backlight level when loading
Carlos Corbacho [Sat, 26 Dec 2009 19:24:31 +0000 (19:24 +0000)]
acer-wmi: Respect current backlight level when loading

Set the backlight to use the current brightness when loaded, rather than
always resetting the backlight to maximum brightness.

Fixes kernel bugzilla #14207

Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Reported-by: Denis Mukhin <denis_mukhin@yahoo.com>
Signed-off-by: Len Brown <len.brown@intel.com>
14 years agoV4L/DVB: bttv: Move I2C IR initialization
Jean Delvare [Fri, 19 Feb 2010 03:18:41 +0000 (00:18 -0300)]
V4L/DVB: bttv: Move I2C IR initialization

Move I2C IR initialization from just after I2C bus setup to right
before non-I2C IR initialization. This avoids the case where an I2C IR
device is blocking audio support (at least the PV951 suffers from
this). It is also more logical to group IR support together,
regardless of the connectivity.

This fixes bug #15184:
http://bugzilla.kernel.org/show_bug.cgi?id=15184

Signed-off-by: Jean Delvare <khali@linux-fr.org>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
14 years agoV4L/DVB: Video : pwc : Fix regression in pwc_set_shutter_speed caused by bad constan...
Martin Fuzzey [Thu, 11 Feb 2010 13:50:31 +0000 (10:50 -0300)]
V4L/DVB: Video : pwc : Fix regression in pwc_set_shutter_speed caused by bad  constant => sizeof conversion.

Regression was caused by my commit 6b35ca0d3d586b8ecb8396821af21186e20afaf0
which determined message size using sizeof rather than hardcoded constants.

Unfortunately pwc_set_shutter_speed reuses a 2 byte buffer for a one byte
message too so the sizeof was bogus in this case.

All other uses of sizeof checked and are ok.

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: stable@kernel.org
Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
14 years agosoc-camera: mt9t112: modify exiting conditions from standby mode
Kuninori Morimoto [Tue, 2 Feb 2010 04:17:54 +0000 (13:17 +0900)]
soc-camera: mt9t112: modify exiting conditions from standby mode

This polling is needed if camera is in standby mode, but current exiting
condition is inverted.

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
14 years agoV4L/DVB: cxusb: Select all required frontend and tuner modules
Ben Hutchings [Thu, 11 Feb 2010 02:57:17 +0000 (23:57 -0300)]
V4L/DVB: cxusb: Select all required frontend and tuner modules

cxusb uses the atbm8830 and lgs8gxx (not lgs8gl5) frontends and the
max2165 tuner, so it needs to select them.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
14 years agoV4L/DVB: dvb: l64781.ko broken with gcc 4.5
Richard Guenther [Tue, 9 Feb 2010 23:16:03 +0000 (20:16 -0300)]
V4L/DVB: dvb: l64781.ko broken with gcc 4.5

I'm trying to fix it on the GCC side (PR43007), but the module is
quite stupid in using ULL constants to operate on u32 values:

static int apply_frontend_param (struct dvb_frontend* fe, struct
dvb_frontend_parameters *param)
{
...
 static const u32 ppm = 8000;
 u32 spi_bias;
...

 spi_bias *= 1000ULL;
 spi_bias /= 1000ULL + ppm/1000;

which causes current GCC 4.5 to emit calls to __udivdi3 for i?86 again.

This patch fixes this issue.

Signed-off-by: Richard Guenther <rguenther@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
14 years agoMerge branch 'for-rmk' of git://gitorious.org/linux-gemini/mainline
Russell King [Thu, 18 Feb 2010 23:35:24 +0000 (23:35 +0000)]
Merge branch 'for-rmk' of git://gitorious.org/linux-gemini/mainline

14 years agoMAINTAINERS: fix my e-mail and status for Gemini and FA526
Paulius Zaleckas [Thu, 18 Feb 2010 19:54:12 +0000 (21:54 +0200)]
MAINTAINERS: fix my e-mail and status for Gemini and FA526

Signed-off-by: Paulius Zaleckas <paulius.zaleckas@gmail.com>
14 years agoGemini: wrong registers used to set reg_level in gpio_set_irq_type()
Roel Kluin [Thu, 18 Feb 2010 19:54:11 +0000 (21:54 +0200)]
Gemini: wrong registers used to set reg_level in gpio_set_irq_type()

It appears the wrong GPIO registers were used

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Paulius Zaleckas <paulius.zaleckas@gmail.com>
14 years agoARM: 5944/1: scsi: fix timer setup in fas216.c
Guennadi Liakhovetski [Thu, 18 Feb 2010 17:07:18 +0000 (18:07 +0100)]
ARM: 5944/1: scsi: fix timer setup in fas216.c

mod_timer() takes an absolute time and not a delay as its argument.

Cc: <stable@kernel.org>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoOrphan DECnet
Christine Caulfield [Thu, 18 Feb 2010 11:33:13 +0000 (11:33 +0000)]
Orphan DECnet

Due to lack of time, space, motivation, hardware and probably expertise,
I have reluctantly decided to orphan the DECnet code in the kernel.

Judging by the deafening silence on the linux-decnet mailing list I
suspect it's either not being used anyway, or the few people that are
using it are happy with their older kernels.

Signed-off-by: Christine Caulfield <christine.caulfield@googlemail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Linus Torvalds [Thu, 18 Feb 2010 16:31:14 +0000 (08:31 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: add KEY_RFKILL
  Input: i8042 - fix KBC jam during hibernate

14 years agoARM: 5938/1: ARM: L2: export outer_cache_fns
Santosh Shilimkar [Tue, 16 Feb 2010 06:57:43 +0000 (07:57 +0100)]
ARM: 5938/1: ARM: L2: export outer_cache_fns

The 'outer_cache' variable is needed by the outer_inv_range(),
outer_clean_range() and outer_flush_range() functions, which are
declared as inline in asm/cacheflush.h.  Otherwise drivers built
as a loadable module, which access these functions, will have
an undefined symbol.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoMerge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
Linus Torvalds [Thu, 18 Feb 2010 16:13:39 +0000 (08:13 -0800)]
Merge branch 'release' of git://git./linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI: fix "acpi=ht" boot option
  ACPI, i915: blacklist Clevo M5x0N bad_lid state
  ACPI: fix High cpu temperature with 2.6.32
  ACPI: dock: properly initialize local struct dock_station in dock_add()
  ACPI: remove Asus P2B-DS from acpi=ht blacklist
  thinkpad-acpi: wrong thermal attribute_group removed in thermal_exit()
  ACPI: acpi_bus_{scan,bus,add}: return -ENODEV if no device was found
  ACPI: Add NULL pointer check in acpi_bus_start
  ACPI: processor: only evaluate _PDC once per processor
  ACPI: processor: add kernel command line support for early _PDC eval

14 years agoMerge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
Linus Torvalds [Thu, 18 Feb 2010 16:10:21 +0000 (08:10 -0800)]
Merge branch 'drm-linus' of git://git./linux/kernel/git/airlied/drm-2.6

* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon/kms: fix bo's fence association
  drm/radeon/kms: fix indirect buffer management V2
  drm/edid: Fix interlaced detailed timings to be frame size, not field.
  drm/vmwgfx: Use fb handover mechanism instead of stealth mode.
  drm/radeon/kms: use udelay for short delays
  drm/nouveau: Force TV encoder DPMS reinit after resume.
  drm/nouveau: use mutex for vbios lock

14 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Thu, 18 Feb 2010 16:07:54 +0000 (08:07 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/85xx: Fix SMP when "cpu-release-addr" is in lowmem
  powerpc/85xx: Fix oops during MSI driver probe on MPC85xxMDS boards

14 years agoInput: add KEY_RFKILL
Matthew Garrett [Wed, 17 Feb 2010 20:21:45 +0000 (12:21 -0800)]
Input: add KEY_RFKILL

Most laptops have keys that are intended to toggle all device state, not
just wifi. These are currently generally mapped to KEY_WLAN. As a result,
rfkill will only kill or enable wifi in response to the key press. This
confuses users and can make it difficult for them to enable bluetooth
and wwan devices.

This patch adds a new keycode, KEY_RFKILL. It indicates that the system
should toggle the state of all rfkillable devices.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
14 years agoInput: i8042 - fix KBC jam during hibernate
Alan Jenkins [Wed, 17 Feb 2010 20:17:33 +0000 (12:17 -0800)]
Input: i8042 - fix KBC jam during hibernate

633aae2 "Input: i8042 - switch to using dev_pm_ops" removed handling
for PMSG_THAW, since we do not need to do anything during freeze and
thus it was thougt that thaw is not needed as well. However, there is
a period when interrupts are kept off, and if key happens to be pressed
during that time KBC becomes jammed. To avoid the jam we simply need
to poll KBC once during thaw.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
14 years agoMerge branches 'bugzilla-14886', 'bugzilla-15000', 'bugzilla-15040', 'bugzilla-15108...
Len Brown [Thu, 18 Feb 2010 08:51:04 +0000 (03:51 -0500)]
Merge branches 'bugzilla-14886', 'bugzilla-15000', 'bugzilla-15040', 'bugzilla-15108', 'pdc', 'hotplug-null-ref' and 'thinkpad' into release

14 years agoACPI: fix "acpi=ht" boot option
Len Brown [Tue, 16 Feb 2010 08:45:45 +0000 (03:45 -0500)]
ACPI: fix "acpi=ht" boot option

We broke "acpi=ht" in 2.6.32 by disabling MADT parsing
for acpi=disabled.  e5b8fc6ac158f65598f58dba2c0d52ba3b412f52
This also broke systems which invoked acpi=ht via DMI blacklist.

acpi=ht is a really ugly hack,
but restore it for those that still use it.

http://bugzilla.kernel.org/show_bug.cgi?id=14886

Signed-off-by: Len Brown <len.brown@intel.com>
14 years agoMerge branch 'for-airlied' of git://git.freedesktop.org/git/nouveau/linux-2.6 into...
Dave Airlie [Thu, 18 Feb 2010 05:09:12 +0000 (15:09 +1000)]
Merge branch 'for-airlied' of git://git.freedesktop.org/git/nouveau/linux-2.6 into drm-linus

* 'for-airlied' of git://git.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau: Force TV encoder DPMS reinit after resume.
  drm/nouveau: use mutex for vbios lock

14 years agodrm/radeon/kms: fix bo's fence association
Jerome Glisse [Mon, 15 Feb 2010 20:36:33 +0000 (21:36 +0100)]
drm/radeon/kms: fix bo's fence association

Previous code did associate fence to bo before the fence was emited
and it also didn't lock protected access to ttm sync_obj member.
Both of this flaw leads to possible race between different code
path. This patch fix this by associating fence only once the fence
is emitted and properly lock protect access to sync_obj member of
ttm.

Fix:
https://bugs.freedesktop.org/show_bug.cgi?id=26438
and likely similar others bugs
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/radeon/kms: fix indirect buffer management V2
Jerome Glisse [Mon, 15 Feb 2010 20:36:13 +0000 (21:36 +0100)]
drm/radeon/kms: fix indirect buffer management V2

There is 3 different distinct states for an indirect buffer (IB) :
  1- free with no fence
  2- free with a fence
  3- non free (fence doesn't matter)
Previous code mixed case 2 & 3 in a single one leading to possible
catastrophique failure. This patch rework the handling and properly
separate each case. So when you get ib we set the ib as non free and
fence status doesn't matter. Fence become active (ie has a meaning
for the ib code) once the ib is scheduled or free. This patch also
get rid of the alloc bitmap as it was overkill, we know go through
IB pool list like in a ring buffer as the oldest IB is the first
one the will be free.

Fix :
https://bugs.freedesktop.org/show_bug.cgi?id=26438
and likely other bugs.

V2 remove the scheduled list, it's useless now, fix free ib scanning

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/edid: Fix interlaced detailed timings to be frame size, not field.
Adam Jackson [Mon, 15 Feb 2010 22:15:39 +0000 (22:15 +0000)]
drm/edid: Fix interlaced detailed timings to be frame size, not field.

cf. https://bugzilla.redhat.com/show_bug.cgi?id=533561

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/vmwgfx: Use fb handover mechanism instead of stealth mode.
Thomas Hellstrom [Mon, 15 Feb 2010 14:45:22 +0000 (14:45 +0000)]
drm/vmwgfx: Use fb handover mechanism instead of stealth mode.

When the vmwgfx module is loaded on top of vesafb, it would operate in
stealth mode in parallel with vesafb, evicting VRAM on dropmaster.

Change that to use the vesafb handover mechanism, like other drmfb drivers.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/radeon/kms: use udelay for short delays
Dave Airlie [Sat, 30 Jan 2010 21:07:14 +0000 (07:07 +1000)]
drm/radeon/kms: use udelay for short delays

For usec delays use udelay instead of scheduling, this should
allow reclocking to happen faster. This also was the cause
of reported 33s delays at bootup on certain systems.

fixes: freedesktop.org bug 25506

Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agosparc: Fix incorrect comparison in of_bus_ambapp_match()
Kristoffer Glembo [Mon, 15 Feb 2010 15:10:28 +0000 (16:10 +0100)]
sparc: Fix incorrect comparison in of_bus_ambapp_match()

Use type instead of name in comparison.

Signed-off-by: Kristoffer Glembo <kristoffer@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agosparc64: Sync of_create_pci_dev() with drivers/pci/probe.c changes.
David S. Miller [Thu, 18 Feb 2010 00:42:08 +0000 (16:42 -0800)]
sparc64: Sync of_create_pci_dev() with drivers/pci/probe.c changes.

Mirrors powerpc commits bb209c8287d2d55ec4a67e3933346e0a3ee0da76
("powerpc/pci: Add calls to set_pcie_port_type() and set_pcie_hotplug_bridge()")
and 26b4a0ca46985ae9586c194f7859f3838b1230f8
("powerpc/pci: Add missing hookup to pci_slot")

We also need to initialize ->dma_mask explicitly here too.

Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agoMerge branch 'master' of /home/davem/src/GIT/linux-2.6/
David S. Miller [Thu, 18 Feb 2010 00:20:14 +0000 (16:20 -0800)]
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

14 years agoomap: Remove DEBUG_FS dependency for mux name checking
Ranjith Lohithakshan [Wed, 17 Feb 2010 17:17:01 +0000 (17:17 +0000)]
omap: Remove DEBUG_FS dependency for mux name checking

The check for a valid mux name should be performed regardless of whether
DEBUG_FS is enabled or not. Otherwise without DEBUG_FS, we get:

Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 5 [#1]
last sysfs file:
Modules linked in:
CPU: 0    Not tainted  (2.6.33-rc8 #10)
PC is at strcmp+0x18/0x40
LR is at omap_mux_init_signal+0x68/0x14c
...

This fixes the issue currently seen with boards not booting up
if DEBUG_FS is not enabled in defconfig.

Note that the earlier ifndef + ifdef now becomes simpler ifdef else:
If CONFIG_OMAP_MUX is selected, we use pin names. If it's not selected,
we only want the GPIO to mux register mapping.

Signed-off-by: Ranjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years ago[SCSI] fcoe: Only rmmod fcoe.ko if there are no active connections
Rob Love [Thu, 21 Jan 2010 18:16:05 +0000 (10:16 -0800)]
[SCSI] fcoe: Only rmmod fcoe.ko if there are no active connections

Currently we're gracefully tearing down each active connection
when fcoe.ko is removed. We shouldn't allow the user to destroy
connections by removing the module. We should force the user to
destroy each connection and then the module can be removed.

This patch makes it so a refrerence count on the module is taken
each time a fcoe_interface is created. The reference count
is dropped when the fcoe_interface is destroyed. This makes it
so that module_exit() doesn't get called unless all fcoe_interfaces
have been destroyed.

This patch leaves the removal of interfaces in the module_exit
routine so that if the user does a 'rmmod -f' we'll clean everything
up before removing the module.

The module_put line was put before the out_putdev goto line because
we should only be decrementing the reference count if a
fcoe_interface is actually destroyed. If we can't find the netdev
or the fcoe_interface then it's assumed that something else has
destroyed the fcoe_interface and it would have decremented the
reference count at that time.

Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
14 years ago[SCSI] libfcoe: Send port LKA every FIP_VN_KA_PERIOD secs.
Bhanu Prakash Gollapudi [Thu, 21 Jan 2010 18:16:00 +0000 (10:16 -0800)]
[SCSI] libfcoe: Send port LKA every FIP_VN_KA_PERIOD secs.

libfcoe module doesnt send port keep alive every
FIP_VN_KA_PERIOD due to improper assignment of timeout value.
Update the port_ka_time appropriately by incrementing it by
FIP_VN_KA_PERIOD in fcoe_ctlr_timeout(), so that the link_work
is scheduled to send the port LKA.

Signed-off-by: Bhanu Gollapudi <bprakash@broadcom.com>
Acked-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
14 years ago[SCSI] libfc: Don't assume response request present.
Hugh Daschbach [Thu, 21 Jan 2010 18:15:55 +0000 (10:15 -0800)]
[SCSI] libfc: Don't assume response request present.

Fix NULL pointer dereference crash occurs in fc_lport_bsg_request()
for bsg requests that do not contain a response request.
Specifically, FC_BSG_HST_ADD_RPORT and FC_BSG_HST_DEL_RPORT bsg
requests are not guaranteed to include a response request.

Signed-off-by: Hugh Daschbach <hdasch@broadcom.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
14 years ago[SCSI] libfc: Fix e_d_tov ns -> ms scaling factor in PLOGI response.
Hugh Daschbach [Thu, 21 Jan 2010 18:15:49 +0000 (10:15 -0800)]
[SCSI] libfc: Fix e_d_tov ns -> ms scaling factor in PLOGI response.

Both PLOGI and RTV response processing conditionally scale e_d_tov,
but use different scaling factors.  The scaling factor is correct in
RTV response processing.  Bring PLOGI e_d_tov scaling in line with RTV
common service parameter inspection.

Signed-off-by: Hugh Daschbach <hdasch@broadcom.com>
Acked-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
14 years ago[SCSI] libfc: call ddp setup for only FCP reads to avoid accessing junk fsp pointer
Vasu Dev [Thu, 21 Jan 2010 18:15:44 +0000 (10:15 -0800)]
[SCSI] libfc: call ddp setup for only FCP reads to avoid accessing junk fsp pointer

Adds check to call fc_fcp_ddp_setup for only FCP read cmds to avoid
accessing junk fsp pointer at least in ESX since non FCP frame had
junk fsp value, though fsp is implicitly initialized to null
by __alloc_skb but with this patch no more relying on fsp
initialized to null value and hitting junk fsp ptr access.

Removes fsp pointer checking in fc_fcp_ddp_setup as this is not
needed any more since its only caller for FCP read will always
have a valid fsp.

Reported by: Frank Zhang <frank_1.zhang@intel.com>
Reported by: Rob Love <robert.w.love@intel.com>
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
14 years ago[SCSI] iscsi_tcp regression: remove bogus warn on in write path
Mike Christie [Wed, 13 Jan 2010 04:48:00 +0000 (22:48 -0600)]
[SCSI] iscsi_tcp regression: remove bogus warn on in write path

An empty r2tqueue is a valid state. It just means that we have
processed all that there was to do. This patch removes the WARN_ON
that was added when the kfifo changes were merged.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
Linus Torvalds [Wed, 17 Feb 2010 00:56:21 +0000 (16:56 -0800)]
Merge git://git./linux/kernel/git/gregkh/tty-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
  serial: 8250: add serial transmitter fully empty test

14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
Linus Torvalds [Wed, 17 Feb 2010 00:55:39 +0000 (16:55 -0800)]
Merge git://git./linux/kernel/git/gregkh/usb-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
  USB: gadget: fix EEM gadget CRC usage
  USB: otg Kconfig: let USB_OTG_UTILS select USB_ULPI option
  USB: g_multi: fix CONFIG_USB_G_MULTI_RNDIS usage
  kfifo: Don't use integer as NULL pointer
  USB: FHCI: Fix build after kfifo rework
  kfifo: Make kfifo_initialized work after kfifo_free
  USB: serial: add usbid for dell wwan card to sierra.c
  USB: SIS USB2VGA DRIVER: support KAIREN's USB VGA adaptor USB20SVGA-MB-PLUS
  USB: ehci: phy low power mode bug fixing
  USB: s3c-hsotg: Export usb_gadget_register_driver()
  USB: r8a66597-udc: Prototype IS_ERR() and PTR_ERR()
  USB: ftdi_sio: add device IDs (several ELV, one Mindstorms NXT)
  USB: storage: Remove unneeded SC/PR from unusual_devs.h
  USB: ftdi_sio: new device id for papouch AD4USB
  USB: usbfs: properly clean up the as structure on error paths
  USB: usbfs: only copy the actual data received

14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
Linus Torvalds [Wed, 17 Feb 2010 00:55:13 +0000 (16:55 -0800)]
Merge git://git./linux/kernel/git/gregkh/driver-core-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
  class: Free the class private data in class_release
  sysfs: sysfs_sd_setattr set iattrs unconditionally

14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Wed, 17 Feb 2010 00:52:04 +0000 (16:52 -0800)]
Merge git://git./linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (22 commits)
  be2net: set proper value to version field in req hdr
  xfrm: Fix xfrm_state_clone leak
  ipcomp: Avoid duplicate calls to ipcomp_destroy
  ethtool: allow non-admin user to read GRO settings.
  ixgbe: fix WOL register setup for 82599
  ixgbe: Fix - Do not allow Rx FC on 82598 at 1G due to errata
  sfc: Fix SFE4002 initialisation
  mac80211: fix handling of null-rate control in rate_control_get_rate
  inet: Remove bogus IGMPv3 report handling
  iwlwifi: fix AMSDU Rx after paged Rx patch
  tcp: fix ICMP-RTO war
  via-velocity: Fix races on shared interrupts
  via-velocity: Take spinlock on set coalesce
  via-velocity: Remove unused IRQ status parameter from rx_srv and tx_srv
  rtl8187: Add new device ID
  iwmc3200wifi: Test of wrong pointer after kzalloc in iwm_mlme_update_bss_table()
  ath9k: Fix sequence numbers for PAE frames
  mac80211: fix deferred hardware scan requests
  iwlwifi: Fix to set correct ht configuration
  mac80211: Fix probe request filtering in IBSS mode
  ...

14 years agoserial: 8250: add serial transmitter fully empty test
Dick Hollenbeck [Wed, 9 Dec 2009 20:31:34 +0000 (12:31 -0800)]
serial: 8250: add serial transmitter fully empty test

When controlling an industrial radio modem it can be necessary to
manipulate the handshake lines in order to control the radio modem's
transmitter, from userspace.

The transmitter should not be turned off before all characters have been
transmitted.  serial8250_tx_empty() was reporting that all characters were
transmitted before they actually were.

===

Discovered in parallel with more testing and analysis by Kees Schoenmakers
as follows:

I ran into an NetMos 9835 serial pci board which behaves a little
different than the standard.  This type of expansion board is very common.

"Standard" 8250 compatible devices clear the 'UART_LST_TEMT" bit together
with the "UART_LSR_THRE" bit when writing data to the device.

The NetMos device does it slightly different

I believe that the TEMT bit is coupled to the shift register.  The problem
is that after writing data to the device and very quickly after that one
does call serial8250_tx_empty, it returns the wrong information.

My patch makes the test more robust (and solves the problem) and it does
not affect the already correct devices.

Alan:

  We may yet need to quirk this but now we know which chips we have a
  way to do that should we find this breaks some other 8250 clone with
  dodgy THRE.

Signed-off-by: Dick Hollenbeck <dick@softplc.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Kees Schoenmakers <k.schoenmakers@sigmae.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoclass: Free the class private data in class_release
Laurent Pinchart [Wed, 10 Feb 2010 12:32:49 +0000 (13:32 +0100)]
class: Free the class private data in class_release

Fix a memory leak by freeing the memory allocated in __class_register
for the class private data.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agosysfs: sysfs_sd_setattr set iattrs unconditionally
Eric W. Biederman [Thu, 4 Feb 2010 07:13:24 +0000 (23:13 -0800)]
sysfs: sysfs_sd_setattr set iattrs unconditionally

There is currently a bug in sysfs_sd_setattr inherited from
sysfs_setattr in 2.6.32 where the first time we set the attributes
on a sysfs file we allocate backing store but do not set the
backing store attributes.  Resulting in overly restrictive
permissions on sysfs files.

The fix is to simply modify the code so that it always executes
when we update the sysfs attributes, as we did in 2.6.31 and earlier.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Tested-by: Jean Delvare <khali@linux-fr.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: gadget: fix EEM gadget CRC usage
Brian Niebuhr [Mon, 25 Jan 2010 20:45:40 +0000 (14:45 -0600)]
USB: gadget: fix EEM gadget CRC usage

eem_wrap() is sending a sentinel CRC, but it didn't indicate that to
the host, it should zero bit 14 (bmCRC) in the EEM packet header,
instead of setting it.

Also remove a redundant crc calculation in eem_unwrap().

Signed-off-by: Steve Longerbeam <stevel@netspectrum.com>
Acked-by: Brian Niebuhr <bniebuhr@efjohnson.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: otg Kconfig: let USB_OTG_UTILS select USB_ULPI option
Valentin Longchamp [Wed, 20 Jan 2010 19:06:31 +0000 (20:06 +0100)]
USB: otg Kconfig: let USB_OTG_UTILS select USB_ULPI option

With CONFIG_USB_ULPI=y, CONFIG_USB<=m, CONFIG_PCI=n and
CONFIG_USB_OTG_UTILS=n, which is the default used for mx31moboard,
the build for all mx3 platforms fails because drivers/usb/otg/ulpi.c
where otg_ulpi_create is defined is not compiled.

Build error:
arch/arm/mach-mx3/built-in.o: In function `mxc_board_init':
kzmarm11.c:(.init.text+0x73c): undefined reference to `otg_ulpi_create'
kzmarm11.c:(.init.text+0x1020): undefined reference to `otg_ulpi_create'

This isn't a strong dependency as drivers/usb/otg/ulpi.c doesn't
use functions defined in drivers/usb/otg/otg.o and is only needed
to get ulpi.o linked into the kernel image.

Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: g_multi: fix CONFIG_USB_G_MULTI_RNDIS usage
Michal Nazarewicz [Fri, 22 Jan 2010 14:18:21 +0000 (15:18 +0100)]
USB: g_multi: fix CONFIG_USB_G_MULTI_RNDIS usage

g_multi used CONFIG_USB_ETH_RNDIS to check if RNDIS option was requested
where it should check for CONFIG_USB_G_MULTI_RNDIS.  As a result, RNDIS
was never present in g_multi regardless of configuration.

This fixes changes made in commit 396cda90d228d0851f3d64c7c85a1ecf6b8ae1e8.

Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agokfifo: Don't use integer as NULL pointer
Anton Vorontsov [Wed, 27 Jan 2010 14:09:38 +0000 (17:09 +0300)]
kfifo: Don't use integer as NULL pointer

This patch fixes following sparse warnings:

include/linux/kfifo.h:127:25: warning: Using plain integer as NULL pointer
kernel/kfifo.c:83:21: warning: Using plain integer as NULL pointer

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Stefani Seibold <stefani@seibold.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: FHCI: Fix build after kfifo rework
Anton Vorontsov [Wed, 27 Jan 2010 14:09:36 +0000 (17:09 +0300)]
USB: FHCI: Fix build after kfifo rework

After kfifo rework FHCI fails to build:

  CC      drivers/usb/host/fhci-tds.o
drivers/usb/host/fhci-tds.c: In function 'fhci_ep0_free':
drivers/usb/host/fhci-tds.c:108: error: used struct type value where scalar is required
drivers/usb/host/fhci-tds.c:118: error: used struct type value where scalar is required
drivers/usb/host/fhci-tds.c:128: error: used struct type value where scalar is required

This is because kfifos are no longer pointers in the ep struct.
So, instead of checking the pointers, we should now check if kfifo
is initialized.

Reported-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Stefani Seibold <stefani@seibold.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agokfifo: Make kfifo_initialized work after kfifo_free
Anton Vorontsov [Wed, 27 Jan 2010 14:09:34 +0000 (17:09 +0300)]
kfifo: Make kfifo_initialized work after kfifo_free

After kfifo rework it's no longer possible to reliably know if kfifo is
usable, since after kfifo_free(), kfifo_initialized() would still return
true. The correct behaviour is needed for at least FHCI USB driver.

This patch fixes the issue by resetting the kfifo to zero values (the
same approach is used in kfifo_alloc() if allocation failed).

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Stefani Seibold <stefani@seibold.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: serial: add usbid for dell wwan card to sierra.c
Richard Farina [Wed, 20 Jan 2010 21:42:33 +0000 (16:42 -0500)]
USB: serial: add usbid for dell wwan card to sierra.c

This patch adds support for Dell Computer Corp. Wireless 5720 VZW Mobile
Broadband (EVDO Rev-A) Minicard GPS Port.  I stole the name from lsusb,
but my card does not have a GPS on it (at least not that I can make
function). I'm sure the patch is whitespace damaged but the one line
addition should be fairly straightforward nonetheless.

Tested-by: Rick Farina <sidhayn@gmail.com>
Signed-off-by: Rick Farina <sidhayn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: SIS USB2VGA DRIVER: support KAIREN's USB VGA adaptor USB20SVGA-MB-PLUS
Tanaka Akira [Wed, 20 Jan 2010 17:31:09 +0000 (02:31 +0900)]
USB: SIS USB2VGA DRIVER: support KAIREN's USB VGA adaptor USB20SVGA-MB-PLUS

This patch adds the USB product ID of KAIREN's USB VGA Adaptor,
USB20SVGA-MB-PLUS, to sisusbvga work with it.

Signed-off-by: Tanaka Akira <akr@fsij.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: ehci: phy low power mode bug fixing
Alek Du [Tue, 19 Jan 2010 08:31:31 +0000 (16:31 +0800)]
USB: ehci: phy low power mode bug fixing

1. There are two msleep calls inside two spin lock sections, need to unlock
   and lock again after msleep.
2. Save a extra status reg setting.

Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: s3c-hsotg: Export usb_gadget_register_driver()
Mark Brown [Mon, 18 Jan 2010 13:18:34 +0000 (13:18 +0000)]
USB: s3c-hsotg: Export usb_gadget_register_driver()

USB gadget controller drivers normally export their driver registration
function, allowing modular builds of the individual gadget drivers so
do so for s3c-hsotg, fixing builds.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: r8a66597-udc: Prototype IS_ERR() and PTR_ERR()
Mark Brown [Mon, 18 Jan 2010 12:03:18 +0000 (12:03 +0000)]
USB: r8a66597-udc: Prototype IS_ERR() and PTR_ERR()

The build of r8a66597-udc was failing on ARM since IS_ERR() and
PTR_ERR() weren't protyped.  Presumably err.h is being pulled in by
another header on other platforms.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: ftdi_sio: add device IDs (several ELV, one Mindstorms NXT)
Andreas Mohr [Sun, 17 Jan 2010 10:45:38 +0000 (11:45 +0100)]
USB: ftdi_sio: add device IDs (several ELV, one Mindstorms NXT)

- add FTDI device IDs for several ELV devices and NXTCam of Lego Mindstorms NXT
- add hopefully helpful new_id comment
- remove less helpful "Due to many user requests for multiple ELV devices we enable
  them by default." comment (we simply add _all_ known devices - an
  enduser shouldn't have to fiddle with obscure module parameters...).
- add myself to DRIVER_AUTHOR

The missing NXTCam ID has been found at
http://www.unixboard.de/vb3/showthread.php?t=44155
, ELV devices taken from ELV Windows .inf file.

Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: storage: Remove unneeded SC/PR from unusual_devs.h
Phil Dibowitz [Sat, 16 Jan 2010 18:52:17 +0000 (19:52 +0100)]
USB: storage: Remove unneeded SC/PR from unusual_devs.h

This patch removes the subclass and protocol entries from a Microtech
entry in unusual_devs.h. This was reported by <ryck@pacbell.net>.

Greg, please apply.

Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: ftdi_sio: new device id for papouch AD4USB
Radek Liboska [Wed, 27 Jan 2010 14:38:34 +0000 (15:38 +0100)]
USB: ftdi_sio: new device id for papouch AD4USB

added new device pid (PAPOUCH_AD4USB_PID) to ftdi_sio.h and ftdi_sio.c

AD4USB measuring converter is a 4-input A/D converter which enables the
user to measure to four current inputs ranging from 0(4) to 20 mA or
voltage between 0 and 10 V. The measured values are then transferred to
a superior system in digital form. The AD4USB communicates via USB.
Powered is also via USB.  datasheet in english is here:
http://www.papouch.com/shop/scripts/pdf/ad4usb_en.pdf

Signed-off-by: Radek Liboska <liboska@uochb.cas.cz>
14 years agoUSB: usbfs: properly clean up the as structure on error paths
Linus Torvalds [Tue, 16 Feb 2010 20:35:07 +0000 (12:35 -0800)]
USB: usbfs: properly clean up the as structure on error paths

I notice that the processcompl_compat() function seems to be leaking the
'struct async *as' in the error paths.

I think that the calling convention is fundamentally buggered. The
caller is the one that did the "reap_as()" to get the as thing, the
caller should be the one to free it too.

Freeing it in the caller also means that it very clearly always gets
freed, and avoids the need for any "free in the error case too".

From: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Marcus Meissner <meissner@suse.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agoUSB: usbfs: only copy the actual data received
Greg KH [Mon, 15 Feb 2010 17:37:46 +0000 (09:37 -0800)]
USB: usbfs: only copy the actual data received

We need to only copy the data received by the device to userspace, not
the whole kernel buffer, which can contain "stale" data.

Thanks to Marcus Meissner for pointing this out and testing the fix.

Reported-by: Marcus Meissner <meissner@suse.de>
Tested-by: Marcus Meissner <meissner@suse.de>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
14 years agobe2net: set proper value to version field in req hdr
Ajit Khaparde [Tue, 16 Feb 2010 00:18:46 +0000 (00:18 +0000)]
be2net: set proper value to version field in req hdr

Before sending a command to the ASIC, set version properly.
This is necessary for the ARM firmware to send correct data to the driver.
This also fixes a bug in certain skews of the ASIC where the statistics
are misreported.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agoxfrm: Fix xfrm_state_clone leak
Herbert Xu [Mon, 15 Feb 2010 20:00:51 +0000 (20:00 +0000)]
xfrm: Fix xfrm_state_clone leak

xfrm_state_clone calls kfree instead of xfrm_state_put to free
a failed state.  Depending on the state of the failed state, it
can cause leaks to things like module references.

All states should be freed by xfrm_state_put past the point of
xfrm_init_state.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agoipcomp: Avoid duplicate calls to ipcomp_destroy
Herbert Xu [Mon, 15 Feb 2010 19:24:30 +0000 (19:24 +0000)]
ipcomp: Avoid duplicate calls to ipcomp_destroy

When ipcomp_tunnel_attach fails we will call ipcomp_destroy twice.
This may lead to double-frees on certain structures.

As there is no reason to explicitly call ipcomp_destroy, this patch
removes it from ipcomp*.c and lets the standard xfrm_state destruction
take place.

This is based on the discovery and patch by Alexey Dobriyan.

Tested-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agoethtool: allow non-admin user to read GRO settings.
stephen hemminger [Thu, 11 Feb 2010 13:48:29 +0000 (13:48 +0000)]
ethtool: allow non-admin user to read GRO settings.

Looks like an oversight in GRO design.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm
Linus Torvalds [Tue, 16 Feb 2010 20:22:15 +0000 (12:22 -0800)]
Merge git://git./linux/kernel/git/agk/linux-2.6-dm

* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm:
  dm: sysfs revert add empty release function to avoid debug warning
  dm mpath: fix stall when requeueing io
  dm raid1: fix null pointer dereference in suspend
  dm raid1: fail writes if errors are not handled and log fails
  dm log: userspace fix overhead_size calcuations
  dm snapshot: persistent annotate work_queue as on stack
  dm stripe: avoid divide by zero with invalid stripe count

14 years agoMerge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
Linus Torvalds [Tue, 16 Feb 2010 19:59:01 +0000 (11:59 -0800)]
Merge branch 'release' of git://git./linux/kernel/git/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] preserve personality flag bits across exec

14 years agodm: sysfs revert add empty release function to avoid debug warning
Alasdair G Kergon [Tue, 16 Feb 2010 18:43:04 +0000 (18:43 +0000)]
dm: sysfs revert add empty release function to avoid debug warning

Revert commit d2bb7df8cac647b92f51fb84ae735771e7adbfa7 at Greg's request.

    Author: Milan Broz <mbroz@redhat.com>
    Date:   Thu Dec 10 23:51:53 2009 +0000

    dm: sysfs add empty release function to avoid debug warning

    This patch just removes an unnecessary warning:
     kobject: 'dm': does not have a release() function,
     it is broken and must be fixed.

    The kobject is embedded in mapped device struct, so
    code does not need to release memory explicitly here.

Cc: Greg KH <gregkh@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>