10 years agokconfig: do not warn about modules built in
Steven Rostedt [Thu, 30 Apr 2009 14:59:08 +0000]
kconfig: do not warn about modules built in

The streamline_config.pl finds all the configs that are needed to
compile the currently loaded modules. After it creates the .config
file, it tests to make sure all the configs that are needed were
set.

It only looks at the configs that are modules, it does not look
at the builtin configs. This causes unnecessary warnings about modules
not being covered.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

10 years agokconfig: streamline_config.pl do not stop with no depends
Steven Rostedt [Thu, 30 Apr 2009 14:17:51 +0000]
kconfig: streamline_config.pl do not stop with no depends

If a config does not have a prompt, it must be selected.
streamline_config.pl keeps track of all configs that select other configs.
If a config that does not have a prompt needs to be set to enable a
current module, it will include all configs that select it.
Note, streamline_config.pl does not enable modules that are not already
enabled. It only keeps enabled those that were enabled and might be
needed to compile the current modules.

The code to find the selects of a config is after the code that
adds the depends. But if a config needed selects but had no dependencies,
it would not be set. Because the code would stop before getting to
the select.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

10 years agokconfig: add make localyesconfig option
Steven Rostedt [Thu, 30 Apr 2009 02:52:23 +0000]
kconfig: add make localyesconfig option

This adds the option localyesconfig to make. This is similar to
localmodconfig, but after it removes unnecessary modules it runs

  sed -i s/=m/=y/

on the .config file. It then runs "make silentoldconfig" to fix any
wholes that were created by the conversion of modules to core.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

10 years agokconfig: make localmodconfig to run streamline_config.pl
Steven Rostedt [Thu, 30 Apr 2009 02:52:22 +0000]
kconfig: make localmodconfig to run streamline_config.pl

Running the streamline_config.pl script manually can still be confusing
for some users. This patch adds the localmodconfig option. This will
automatically run streamline_config.pl on the current .config and
then run "make silentoldconfig" to fix any wholes that might have been
created.

 $ make localmodconfig

This will remove any module configurations in .config that are not needed
to compile the modules that are loaded.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

10 years agokconfig: add streamline_config.pl to scripts
Steven Rostedt [Thu, 30 Apr 2009 02:52:21 +0000]
kconfig: add streamline_config.pl to scripts

streamline_config.pl is a very powerful tool. For those that install
a kernel to a new box using the config file from the distribution know that
it can take forever to compile the kernel.

Making a custom config file that will still boot your box, but bring
down the compile time of the kernel can be quit painful, and to ask
someone that reported a bug to do this can be a large burdon since that
person may not even know how to build a kernel.

This script will perform "lsmod" to find all the modules loaded on the
current running system. It will read all the Makefiles to map which
CONFIG enables a module. It will read the Kconfig files to find the
dependencies and selects that may be needed to support a CONFIG.
Finally, it reads the .config file and removes any module "=m" that is
not needed to enable the currently loaded modules. The output goes to
standard out.

Here's a way to run the script. From the Linux directory that holds
a distribution .config.

 $ scripts/kconfig/streamline_config.pl arch/x86/Kconfig > config-sl
 $ mv .config config-save
 $ mv config-sl .config
 $ make oldconfig

Now you have a .config that will still build all your modules, but also
take much less time to build the kernel.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

10 years agoMerge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Tue, 18 Aug 2009 23:55:43 +0000]
Merge branch 'x86-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, mce: Don't initialize MCEs on unknown CPUs
  x86, mce: don't log boot MCEs on Pentium M (model == 13) CPUs
  x86: Annotate section mismatch warnings in kernel/apic/x2apic_uv_x.c
  x86, mce: therm_throt: Don't log redundant normality
  x86: Fix UV BAU destination subnode id

10 years agomm: build_zonelists(): move clear node_load[] to __build_all_zonelists()
Bo Liu [Tue, 18 Aug 2009 21:11:19 +0000]
mm: build_zonelists(): move clear node_load[] to __build_all_zonelists()

If node_load[] is cleared everytime build_zonelists() is
called,node_load[] will have no help to find the next node that should
appear in the given node's fallback list.

Because of the bug, zonelist's node_order is not calculated as expected.
This bug affects on big machine, which has asynmetric node distance.

[synmetric NUMA's node distance]
     0    1    2
0   10   12   12
1   12   10   12
2   12   12   10

[asynmetric NUMA's node distance]
     0    1    2
0   10   12   20
1   12   10   14
2   20   14   10

This (my bug) is very old but no one has reported this for a long time.
Maybe because the number of asynmetric NUMA is very small and they use
cpuset for customizing node memory allocation fallback.

[akpm@linux-foundation.org: fix CONFIG_NUMA=n build]
Signed-off-by: Bo Liu <bo-liu@hotmail.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoREPORTING-BUGS: add get_maintainer.pl blurb
Joe Perches [Tue, 18 Aug 2009 21:11:18 +0000]
REPORTING-BUGS: add get_maintainer.pl blurb

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agonommu: check fd read permission in validate_mmap_request()
Graff Yang [Tue, 18 Aug 2009 21:11:17 +0000]
nommu: check fd read permission in validate_mmap_request()

According to the POSIX (1003.1-2008), the file descriptor shall have been
opened with read permission, regardless of the protection options specified to
mmap().  The ltp test cases mmap06/07 need this.

Signed-off-by: Graff Yang <graff.yang@gmail.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agospi_s3c24xx: fix transfer setup code
Ben Dooks [Tue, 18 Aug 2009 21:11:17 +0000]
spi_s3c24xx: fix transfer setup code

Since the changes to the bitbang driver, there is the possibility we will
be called with either the speed_hz or bpw values zero.  We take these to
mean that the default values (8 bits per word, or maximum bus speed).

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agospi_s3c24xx: fix clock rate calculation
Ben Dooks [Tue, 18 Aug 2009 21:11:16 +0000]
spi_s3c24xx: fix clock rate calculation

Currently the clock rate calculation may round as pleased, which means
that it is possible that we will round down and end up with a faster clock
rate than intended.

Change the calculation to use DIV_ROUND_UP() to ensure that we end up with
a clock rate either the same as or lower than the user requested one.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agommc: add the new linux-mmc mailing list to MAINTAINERS
Andrew Morton [Tue, 18 Aug 2009 21:11:12 +0000]
mmc: add the new linux-mmc mailing list to MAINTAINERS

There are a number of individual MMC drivers listed in MAINTAINERS.  I
didn't modify those records.  Perhaps I should have.

Cc: <linux-mmc@vger.kernel.org>
Cc: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Nicolas Pitre <nico@cam.org>
Cc: Pierre Ossman <drzeus@drzeus.cx>
Cc: Pavel Pisa <ppisa@pikron.com>
Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Sascha Sommer <saschasommer@freenet.de>
Cc: Ian Molton <ian@mnementh.co.uk>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agomm: revert "oom: move oom_adj value"
KOSAKI Motohiro [Tue, 18 Aug 2009 21:11:10 +0000]
mm: revert "oom: move oom_adj value"

The commit 2ff05b2b (oom: move oom_adj value) moveed the oom_adj value to
the mm_struct.  It was a very good first step for sanitize OOM.

However Paul Menage reported the commit makes regression to his job
scheduler.  Current OOM logic can kill OOM_DISABLED process.

Why? His program has the code of similar to the following.

...
set_oom_adj(OOM_DISABLE); /* The job scheduler never killed by oom */
...
if (vfork() == 0) {
set_oom_adj(0); /* Invoked child can be killed */
execve("foo-bar-cmd");
}
....

vfork() parent and child are shared the same mm_struct.  then above
set_oom_adj(0) doesn't only change oom_adj for vfork() child, it's also
change oom_adj for vfork() parent.  Then, vfork() parent (job scheduler)
lost OOM immune and it was killed.

Actually, fork-setting-exec idiom is very frequently used in userland program.
We must not break this assumption.

Then, this patch revert commit 2ff05b2b and related commit.

Reverted commit list
---------------------
- commit 2ff05b2b4e (oom: move oom_adj value from task_struct to mm_struct)
- commit 4d8b9135c3 (oom: avoid unnecessary mm locking and scanning for OOM_DISABLE)
- commit 8123681022 (oom: only oom kill exiting tasks with attached memory)
- commit 933b787b57 (mm: copy over oom_adj value at fork time)

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agovfs: make get_sb_pseudo set s_maxbytes to value that can be cast to signed
Jeff Layton [Tue, 18 Aug 2009 21:11:08 +0000]
vfs: make get_sb_pseudo set s_maxbytes to value that can be cast to signed

get_sb_pseudo sets s_maxbytes to ~0ULL which becomes negative when cast
to a signed value.  Fix it to use MAX_LFS_FILESIZE which casts properly
to a positive signed value.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Steve French <smfrench@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Robert Love <rlove@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoMAINTAINERS: OSD LIBRARY and FILESYSTEM pattern fix
Joe Perches [Tue, 18 Aug 2009 21:11:06 +0000]
MAINTAINERS: OSD LIBRARY and FILESYSTEM pattern fix

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Benny Halevy <bhalevy@panasas.com>
Cc: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoMerge branch 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Tue, 18 Aug 2009 20:57:38 +0000]
Merge branch 'irq-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: Wake up irq thread after action has been installed

10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Tue, 18 Aug 2009 20:55:01 +0000]
Merge git://git./linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (60 commits)
  net: restore gnet_stats_basic to previous definition
  NETROM: Fix use of static buffer
  e1000e: fix use of pci_enable_pcie_error_reporting
  e1000e: WoL does not work on 82577/82578 with manageability enabled
  cnic: Fix locking in init/exit calls.
  cnic: Fix locking in start/stop calls.
  bnx2: Use mutex on slow path cnic calls.
  cnic: Refine registration with bnx2.
  cnic: Fix symbol_put_addr() panic on ia64.
  gre: Fix MTU calculation for bound GRE tunnels
  pegasus: Add new device ID.
  drivers/net: fixed drivers that support netpoll use ndo_start_xmit()
  via-velocity: Fix test of mii_status bit VELOCITY_DUPLEX_FULL
  rt2x00: fix memory corruption in rf cache, add a sanity check
  ixgbe: Fix receive on real device when VLANs are configured
  ixgbe: Do not return 0 in ixgbe_fcoe_ddp() upon FCP_RSP in DDP completion
  netxen: free napi resources during detach
  netxen: remove netxen workqueue
  ixgbe: fix issues setting rx-usecs with legacy interrupts
  can: fix oops caused by wrong rtnl newlink usage
  ...

10 years agoMerge branch 'sh/for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal...
Linus Torvalds [Tue, 18 Aug 2009 20:54:26 +0000]
Merge branch 'sh/for-2.6.31' of git://git./linux/kernel/git/lethal/sh-2.6

* 'sh/for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: sh7724 ddr self-refresh changes
  sh: use in-soc KEYSC on se7724
  sh: CMT suspend/resume
  sh: skip disabled LCDC channels

10 years agoMerge branch 'for-linus' of git://neil.brown.name/md
Linus Torvalds [Tue, 18 Aug 2009 20:54:08 +0000]
Merge branch 'for-linus' of git://neil.brown.name/md

* 'for-linus' of git://neil.brown.name/md:
  Fix new incorrect error return from do_md_stop.

10 years agogenirq: Wake up irq thread after action has been installed
Thomas Gleixner [Mon, 17 Aug 2009 12:07:16 +0000]
genirq: Wake up irq thread after action has been installed

The wake_up_process() of the new irq thread in __setup_irq() is too
early as the irqaction is not yet fully initialized especially
action->irq is not yet set. The interrupt thread might dereference the
wrong irq descriptor.

Move the wakeup after the action is installed and action->irq has been
set.

Reported-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Michael Buesch <mb@bu3sch.de>

10 years agonet: restore gnet_stats_basic to previous definition
Eric Dumazet [Sun, 16 Aug 2009 09:36:49 +0000]
net: restore gnet_stats_basic to previous definition

In 5e140dfc1fe87eae27846f193086724806b33c7d "net: reorder struct Qdisc
for better SMP performance" the definition of struct gnet_stats_basic
changed incompatibly, as copies of this struct are shipped to
userland via netlink.

Restoring old behavior is not welcome, for performance reason.

Fix is to use a private structure for kernel, and
teach gnet_stats_copy_basic() to convert from kernel to user land,
using legacy structure (struct gnet_stats_basic)

Based on a report and initial patch from Michael Spang.

Reported-by: Michael Spang <mspang@csclub.uwaterloo.ca>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoNETROM: Fix use of static buffer
Ralf Baechle [Tue, 18 Aug 2009 01:05:32 +0000]
NETROM: Fix use of static buffer

The static variable used by nr_call_to_digi might result in corruption if
multiple threads are trying to usee a node or neighbour via ioctl.  Fixed
by having the caller pass a structure in.  This is safe because nr_add_node
rsp. nr_add_neigh will allocate a permanent structure, if needed.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoFix new incorrect error return from do_md_stop.
NeilBrown [Tue, 18 Aug 2009 00:35:26 +0000]
Fix new incorrect error return from do_md_stop.

Recent commit c8c00a6915a2e3d10416e8bdd3138429beb96210
changed the exit paths in do_md_stop and was not quite
careful enough.  There is one path were 'err' now needs
to be cleared but it isn't.
So setting an array to readonly (with mdadm --readonly) will
work, but will incorrectly report and error: ENXIO.

Signed-off-by: NeilBrown <neilb@suse.de>

10 years agoMerge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Linus Torvalds [Mon, 17 Aug 2009 20:39:52 +0000]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  MIPS: Fix HPAGE_SIZE redefinition

10 years agoMerge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
Linus Torvalds [Mon, 17 Aug 2009 20:39:30 +0000]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: fix locking in xfs_iget_cache_hit

10 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
Linus Torvalds [Mon, 17 Aug 2009 20:38:58 +0000]
Merge branch 'for-linus' of git://git./linux/kernel/git/jmorris/security-testing-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  security: define round_hint_to_min in !CONFIG_SECURITY
  Security/SELinux: seperate lsm specific mmap_min_addr
  SELinux: call cap_file_mmap in selinux_file_mmap
  Capabilities: move cap_file_mmap to commoncap.c

10 years agoinotify: start watch descriptor count at 1
Eric Paris [Mon, 17 Aug 2009 01:51:55 +0000]
inotify: start watch descriptor count at 1

The inotify_add_watch man page specifies that inotify_add_watch() will
return a non-negative integer.  However, historically the inotify
watches started at 1, not at 0.

Turns out that the inotifywait program provided by the inotify-tools
package doesn't properly handle a 0 watch descriptor.  In 7e790dd5 we
changed from starting at 1 to starting at 0.  This patch starts at 1,
just like in previous kernels, but also just like in previous kernels
it's possible for it to wrap back to 0.  This preserves the kernel
functionality exactly like it was before the patch (neither method broke
the spec)

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoinotify: tail drop inotify q_overflow events
Eric Paris [Mon, 17 Aug 2009 01:51:49 +0000]
inotify: tail drop inotify q_overflow events

In f44aebcc the tail drop logic of events with no file backing
(q_overflow and in_ignored) was reversed so IN_IGNORED events would
never be tail dropped.  This now means that Q_OVERFLOW events are NOT
tail dropped.  The fix is to not tail drop IN_IGNORED, but to tail drop
Q_OVERFLOW.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agonotify: unused event private race
Eric Paris [Mon, 17 Aug 2009 01:51:44 +0000]
notify: unused event private race

inotify decides if private data it passed to get added to an event was
used by checking list_empty().  But it's possible that the event may
have been dequeued and the private event removed so it would look empty.

The fix is to use the return code from fsnotify_add_notify_event rather
than looking at the list.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoMerge master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Mon, 17 Aug 2009 20:36:39 +0000]
Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm: (37 commits)
  ARM: 5673/1: U300 fix initsection compile warning
  ARM: Fix broken highmem support
  mx31moboard: invert sdhc ro signal sense
  ARM: S3C24XX: Fix clkout mpx error
  ARM: S3C64XX: serial: Fix a typo in Kconfig
  IXP4xx: Fix IO_SPACE_LIMIT for 2.6.31-rc core PCI changes
  OMAP3: RX51: Updated rx51_defconfig
  OMAP2/3: mmc-twl4030: Free up MMC regulators while cleaning up
  OMAP3: RX51: Define TWL4030 USB transceiver in board file
  OMAP3: Overo: Fix smsc911x platform device resource value
  OMAP3: Fix omap3 sram virtual addres overlap vmalloc space after increasing vmalloc size
  OMAP2/3: DMA errata correction
  OMAP: Fix testing of cpu defines for mach-omap1
  OMAP3: Overo: add missing pen-down GPIO definition
  OMAP: GPIO: clear/restore level/edge detect settings on mask/unmask
  OMAP3: PM: Fix wrong sequence in suspend.
  OMAP: PM: CPUfreq: obey min/max settings of policy
  OMAP2/3/4: UART: allow in-order port traversal
  OMAP2/3/4: UART: Allow per-UART disabling wakeup for serial ports
  OMAP3: Fixed crash bug with serial + suspend
  ...

10 years agoMIPS: Fix HPAGE_SIZE redefinition
Atsushi Nemoto [Tue, 14 Jul 2009 13:37:09 +0000]
MIPS: Fix HPAGE_SIZE redefinition

This patch fixes warnings like this:
CC fs/proc/meminfo.o
In file included from /work/linux/include/linux/mmzone.h:20,
                 from /work/linux/include/linux/gfp.h:4,
                 from /work/linux/include/linux/mm.h:8,
                 from /work/linux/fs/proc/meminfo.c:5:
/work/linux/arch/mips/include/asm/page.h:36:1: warning: "HPAGE_SIZE" redefined
In file included from /work/linux/fs/proc/meminfo.c:2:
/work/linux/include/linux/hugetlb.h:107:1: warning: this is the location of the previous definition

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

10 years agox86, mce: Don't initialize MCEs on unknown CPUs
Ingo Molnar [Mon, 17 Aug 2009 08:19:00 +0000]
x86, mce: Don't initialize MCEs on unknown CPUs

An older test-box started hanging at the following point during
bootup:

 [    0.022996] Mount-cache hash table entries: 512
 [    0.024996] Initializing cgroup subsys debug
 [    0.025996] Initializing cgroup subsys cpuacct
 [    0.026995] Initializing cgroup subsys devices
 [    0.027995] Initializing cgroup subsys freezer
 [    0.028995] mce: CPU supports 5 MCE banks

I've bisected it down to commit 4efc0670 ("x86, mce: use 64bit
machine check code on 32bit"), which utilizes the MCE code on
32-bit systems too.

The problem is caused by this detail in my config:

  # CONFIG_CPU_SUP_INTEL is not set

This disables the quirks in mce_cpu_quirks() but still enables
MCE support - which then hangs due to the missing quirk
workaround needed on this CPU:

if (c->x86 == 6 && c->x86_model < 0x1A && banks > 0)
mce_banks[0].init = 0;

The safe solution is to not initialize MCEs if we dont know on
what CPU we are running (or if that CPU's support code got
disabled in the config).

Also be a bit more defensive on 32-bit systems: dont do a
boot-time dump of pending MCEs not just on the specific system
that we found a problem with (Pentium-M), but earlier ones as
well.

Now this problem is probably not common and disabling CPU
support is rare - but still being more defensive in something
we turned on for a wide range of CPUs is prudent.

Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
LKML-Reference: Message-ID: <4A88E3E4.40506@jp.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

10 years agox86, mce: don't log boot MCEs on Pentium M (model == 13) CPUs
Bartlomiej Zolnierkiewicz [Tue, 28 Jul 2009 21:52:54 +0000]
x86, mce: don't log boot MCEs on Pentium M (model == 13) CPUs

On my legacy Pentium M laptop (Acer Extensa 2900) I get bogus MCE on a cold
boot with CONFIG_X86_NEW_MCE enabled, i.e. (after decoding it with mcelog):

MCE 0
HARDWARE ERROR. This is *NOT* a software problem!
Please contact your hardware vendor
CPU 0 BANK 1 MCG status:
MCi status:
Error overflow
Uncorrected error
Error enabled
Processor context corrupt
MCA: Data CACHE Level-1 UNKNOWN Error
STATUS f200000000000195 MCGSTATUS 0

[ The other STATUS values observed: f2000000000001b5 (... UNKNOWN error)
  and f200000000000115 (... READ Error).

  To verify that this is not a CONFIG_X86_NEW_MCE bug I also modified
  the CONFIG_X86_OLD_MCE code (which doesn't log any MCEs) to dump
  content of STATUS MSR before it is cleared during initialization. ]

Since the bogus MCE results in a kernel taint (which in turn disables
lockdep support) don't log boot MCEs on Pentium M (model == 13) CPUs
by default ("mce=bootlog" boot parameter can be be used to get the old
behavior).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Reviewed-by: Andi Kleen <andi@firstfloor.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

10 years agoxfs: fix locking in xfs_iget_cache_hit
Christoph Hellwig [Mon, 17 Aug 2009 00:36:34 +0000]
xfs: fix locking in xfs_iget_cache_hit

The locking in xfs_iget_cache_hit currently has numerous problems:

 - we clear the reclaim tag without i_flags_lock which protects
   modifications to it
 - we call inode_init_always which can sleep with pag_ici_lock
   held (this is oss.sgi.com BZ #819)
 - we acquire and drop i_flags_lock a lot and thus provide no
   consistency between the various flags we set/clear under it

This patch fixes all that with a major revamp of the locking in
the function.  The new version acquires i_flags_lock early and
only drops it once we need to call into inode_init_always or before
calling xfs_ilock.

This patch fixes a bug seen in the wild where we race modifying the
reclaim tag.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Felix Blyakher <felixb@sgi.com>

10 years agosecurity: define round_hint_to_min in !CONFIG_SECURITY
Eric Paris [Fri, 7 Aug 2009 18:53:57 +0000]
security: define round_hint_to_min in !CONFIG_SECURITY

Fix the header files to define round_hint_to_min() and to define
mmap_min_addr_handler() in the !CONFIG_SECURITY case.

Built and tested with !CONFIG_SECURITY

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

10 years agoSecurity/SELinux: seperate lsm specific mmap_min_addr
Eric Paris [Fri, 31 Jul 2009 16:54:11 +0000]
Security/SELinux: seperate lsm specific mmap_min_addr

Currently SELinux enforcement of controls on the ability to map low memory
is determined by the mmap_min_addr tunable.  This patch causes SELinux to
ignore the tunable and instead use a seperate Kconfig option specific to how
much space the LSM should protect.

The tunable will now only control the need for CAP_SYS_RAWIO and SELinux
permissions will always protect the amount of low memory designated by
CONFIG_LSM_MMAP_MIN_ADDR.

This allows users who need to disable the mmap_min_addr controls (usual reason
being they run WINE as a non-root user) to do so and still have SELinux
controls preventing confined domains (like a web server) from being able to
map some area of low memory.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

10 years agoSELinux: call cap_file_mmap in selinux_file_mmap
Eric Paris [Fri, 31 Jul 2009 16:54:05 +0000]
SELinux: call cap_file_mmap in selinux_file_mmap

Currently SELinux does not check CAP_SYS_RAWIO in the file_mmap hook.  This
means there is no DAC check on the ability to mmap low addresses in the
memory space.  This function adds the DAC check for CAP_SYS_RAWIO while
maintaining the selinux check on mmap_zero.  This means that processes
which need to mmap low memory will need CAP_SYS_RAWIO and mmap_zero but will
NOT need the SELinux sys_rawio capability.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

10 years agoCapabilities: move cap_file_mmap to commoncap.c
Eric Paris [Fri, 31 Jul 2009 16:53:58 +0000]
Capabilities: move cap_file_mmap to commoncap.c

Currently we duplicate the mmap_min_addr test in cap_file_mmap and in
security_file_mmap if !CONFIG_SECURITY.  This patch moves cap_file_mmap
into commoncap.c and then calls that function directly from
security_file_mmap ifndef CONFIG_SECURITY like all of the other capability
checks are done.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>

10 years agox86: Annotate section mismatch warnings in kernel/apic/x2apic_uv_x.c
Leonardo Potenza [Sun, 16 Aug 2009 16:55:48 +0000]
x86: Annotate section mismatch warnings in kernel/apic/x2apic_uv_x.c

The function uv_acpi_madt_oem_check() has been marked __init,
the struct apic_x2apic_uv_x has been marked __refdata.

The aim is to address the following section mismatch messages:

WARNING: arch/x86/kernel/apic/built-in.o(.data+0x1368): Section mismatch in reference from the variable apic_x2apic_uv_x to the function .cpuinit.text:uv_wakeup_secondary()
The variable apic_x2apic_uv_x references
the function __cpuinit uv_wakeup_secondary()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,

WARNING: arch/x86/kernel/built-in.o(.data+0x68e8): Section mismatch in reference from the variable apic_x2apic_uv_x to the function .cpuinit.text:uv_wakeup_secondary()
The variable apic_x2apic_uv_x references
the function __cpuinit uv_wakeup_secondary()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,

WARNING: arch/x86/built-in.o(.text+0x7b36f): Section mismatch in reference from the function uv_acpi_madt_oem_check() to the function .init.text:early_ioremap()
The function uv_acpi_madt_oem_check() references
the function __init early_ioremap().
This is often because uv_acpi_madt_oem_check lacks a __init
annotation or the annotation of early_ioremap is wrong.

WARNING: arch/x86/built-in.o(.text+0x7b38d): Section mismatch in reference from the function uv_acpi_madt_oem_check() to the function .init.text:early_iounmap()
The function uv_acpi_madt_oem_check() references
the function __init early_iounmap().
This is often because uv_acpi_madt_oem_check lacks a __init
annotation or the annotation of early_iounmap is wrong.

WARNING: arch/x86/built-in.o(.data+0x8668): Section mismatch in reference from the variable apic_x2apic_uv_x to the function .cpuinit.text:uv_wakeup_secondary()
The variable apic_x2apic_uv_x references
the function __cpuinit uv_wakeup_secondary()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,

Signed-off-by: Leonardo Potenza <lpotenza@inwind.it>
LKML-Reference: <200908161855.48302.lpotenza@inwind.it>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

10 years agodm-log-userspace: fix printk format warning
Randy Dunlap [Sun, 16 Aug 2009 14:33:30 +0000]
dm-log-userspace: fix printk format warning

drivers/md/dm-log-userspace-transfer.c:110: warning: format '%lu' expects type 'long unsigned int', but argument 4 has type 'size_t'

Previously posted and acked, but apparently lost.
http://lkml.indiana.edu/hypermail/linux/kernel/0906.2/02074.html

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: dm-devel@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agox86, mce: therm_throt: Don't log redundant normality
Hugh Dickins [Sun, 16 Aug 2009 14:54:37 +0000]
x86, mce: therm_throt: Don't log redundant normality

0d01f31439c1e4d602bf9fdc924ab66f407f5e38 "x86, mce: therm_throt
- change when we print messages" removed redundant
announcements of "Temperature/speed normal".

They're not worth logging and remove their accompanying
"Machine check events logged" messages as well from the
console.

Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Dmitry Torokhov <dtor@mail.ru>
LKML-Reference: <Pine.LNX.4.64.0908161544100.7929@sister.anvils>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

10 years agoe1000e: fix use of pci_enable_pcie_error_reporting
Xiaotian Feng [Fri, 14 Aug 2009 14:35:52 +0000]
e1000e: fix use of pci_enable_pcie_error_reporting

commit 111b9dc5 ("e1000e: add aer support") introduces pcie aer
support for e1000e, but it is not reasonable to disable it in
e1000_remove but enable it in e1000_resume.  This patch enables aer
support in e1000_probe.

Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoe1000e: WoL does not work on 82577/82578 with manageability enabled
Bruce Allan [Fri, 14 Aug 2009 14:35:33 +0000]
e1000e: WoL does not work on 82577/82578 with manageability enabled

With manageability (Intel AMT) enabled via BIOS, PHY wakeup does not get
configured on newer parts which use PHY wakeup vs. MAC wakeup which causes
WoL to not work.  The driver should configure PHY wakeup whether or not
manageability is enabled.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agocnic: Fix locking in init/exit calls.
Michael Chan [Fri, 14 Aug 2009 15:49:47 +0000]
cnic: Fix locking in init/exit calls.

The slow path ulp_init and ulp_exit calls to the bnx2i driver
are sleepable calls and therefore should not be protected using
rcu_read_lock.  Fix it by using mutex and refcount during these
calls.  cnic_unregister_driver() will now wait for the refcount
to go to zero before completing the call.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agocnic: Fix locking in start/stop calls.
Michael Chan [Fri, 14 Aug 2009 15:49:46 +0000]
cnic: Fix locking in start/stop calls.

The slow path ulp_start and ulp_stop calls to the bnx2i driver
are sleepable calls and therefore should not be protected using
rcu_read_lock.  Fix it by using mutex and setting a bit during
these calls.  cnic_unregister_device() will now wait for the bit
to clear before completing the call.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agobnx2: Use mutex on slow path cnic calls.
Michael Chan [Fri, 14 Aug 2009 15:49:45 +0000]
bnx2: Use mutex on slow path cnic calls.

The slow path calls to the cnic driver are sleepable calls so we
cannot use rcu_read_lock().  Use mutex for these slow path calls
instead.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agocnic: Refine registration with bnx2.
Michael Chan [Fri, 14 Aug 2009 15:49:44 +0000]
cnic: Refine registration with bnx2.

Register and unregister with bnx2 during NETDEV_UP and NETDEV_DOWN
events.  This simplifies the sequence of events and allows locking
fixes in the next patch.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agocnic: Fix symbol_put_addr() panic on ia64.
Michael Chan [Fri, 14 Aug 2009 15:49:43 +0000]
cnic: Fix symbol_put_addr() panic on ia64.

When the cnic driver tries to grab a symbol from bnx2 when bnx2 is
running init code, symbol_get() will succeed but symbol_put_addr()
will hit BUG() a moment later.  module_text_address() fails because
bnx2 is still in init code.

This is fixed by using symbol_put() instead which does the exact
opposite of symbol_get().

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agopoll/select: initialize triggered field of struct poll_wqueues
Guillaume Knispel [Sat, 15 Aug 2009 17:30:24 +0000]
poll/select: initialize triggered field of struct poll_wqueues

The triggered field of struct poll_wqueues introduced in commit
5f820f648c92a5ecc771a96b3c29aa6e90013bba ("poll: allow f_op->poll to
sleep").

It was first set to 1 in pollwake() (now __pollwake() ), tested and
later set to 0 in poll_schedule_timeout(), but not initialized before.

As a result when the process needs to sleep, triggered was likely to be
non-zero even if pollwake() is not called before the first
poll_schedule_timeout(), meaning schedule_hrtimeout_range() would not be
called and an extra loop calling all ->poll() would be done.

This patch initialize triggered to 0 in poll_initwait() so the ->poll()
are not called twice before the process goes to sleep when it needs to.

Signed-off-by: Guillaume Knispel <gknispel@proformatique.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoARM: 5673/1: U300 fix initsection compile warning
Linus Walleij [Thu, 13 Aug 2009 20:57:22 +0000]
ARM: 5673/1: U300 fix initsection compile warning

The u300_init_check_chip() function was not properly tagged with
the __init macro and provided a initsection mismatch on
compilation.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

10 years agoMerge branch 's3c-fixes' of git://aeryn.fluff.org.uk/bjdooks/linux
Russell King [Sat, 15 Aug 2009 11:43:13 +0000]
Merge branch 's3c-fixes' of git://aeryn.fluff.org.uk/bjdooks/linux

10 years agoMerge branch 'for-rmk-rc' of git://git.pengutronix.de/git/imx/linux-2.6
Russell King [Sat, 15 Aug 2009 11:42:46 +0000]
Merge branch 'for-rmk-rc' of git://git.pengutronix.de/git/imx/linux-2.6

10 years agoARM: Fix broken highmem support
Russell King [Sat, 15 Aug 2009 11:36:00 +0000]
ARM: Fix broken highmem support

Currently, highmem is selectable, and you can request an increased
vmalloc area.  However, none of this has any effect on the memory
layout since a patch in the highmem series was accidentally dropped.
Moreover, even if you did want highmem, all memory would still be
registered as lowmem, possibly resulting in overflow of the available
virtual mapping space.

The highmem boundary is determined by the highest allowed beginning
of the vmalloc area, which depends on its configurable minimum size
(see commit 60296c71f6c5063e3c1f1d2619ca0b60940162e7 for details on
this).

We should create mappings and initialize bootmem only for low memory,
while the zone allocator must still be told about highmem.

Currently, memory nodes which are completely located in high memory
are not supported.  This is not a huge limitation since systems
relying on highmem support are unlikely to have discontiguous memory
with large holes.

[ A similar patch was meant to be merged before commit 5f0fbf9ecaf3
  and be available  in Linux v2.6.30, however some git rebase screw-up
  of mine dropped the first commit of the series, and that goofage
  escaped testing somehow as well. -- Nico ]

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Reviewed-by: Nicolas Pitre <nico@marvell.com>

10 years agox86: Fix UV BAU destination subnode id
Cliff Wickman [Fri, 14 Aug 2009 18:56:37 +0000]
x86: Fix UV BAU destination subnode id

The SGI UV Broadcast Assist Unit is used to send TLB shootdown
messages to remote nodes of the system.  The header of the
message must contain the subnode id of the block in the
receiving hub that handles such messages.  It should always be
0x10, the id of the "LB" block.

It had previously been documented as a "must be zero" field.

Signed-off-by: Cliff Wickman <cpw@sgi.com>
Acked-by: Jack Steiner <steiner@sgi.com>
LKML-Reference: <E1Mc1x7-0005Ce-6t@eag09.americas.sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

10 years agosh: sh7724 ddr self-refresh changes
Magnus Damm [Sat, 15 Aug 2009 02:53:42 +0000]
sh: sh7724 ddr self-refresh changes

This patch updates the SuperH Mobile sleep assembly code with
support for DBSC memory controller found in the sh7724 processor.

Without this fix the memory hooked up to the sh7724 processor
will never enter self-refresh mode before suspending to ram. The
effect of this is that the memory contents most likeley will be
lost upon resume which may or may not be what you want.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

10 years agosh: use in-soc KEYSC on se7724
Magnus Damm [Sat, 15 Aug 2009 02:53:34 +0000]
sh: use in-soc KEYSC on se7724

This patch updates the Solution Engine 7724 board code to use
in-SoC KEYSC resources for the keyboard platform device. Using
the in-SoC key scan controller fixes a crash-during-resume issue.

Without this patch the KEYSC hardware block located in the board
specific FPGA is used together with an external IRQ which is
routed through the FPGA and handled by some board specific demux
code. This board specific FPGA interrupt code does not implement
desc->set_wake() so the enable_irq_wake() call in the sh_keysc
driver will fail at suspend-to-ram time and the disable_irq_wake()
will bomb out when resuming.

Changing the platform data to use the in-SoC KEYSC hardware makes
the se7724 board support code less special which is a good thing.
Also, the board specific KEYSC pin setup code selects in-SoC pin
functions already which makes the current FPGA platform device data
look like a typo.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

10 years agosh: CMT suspend/resume
Magnus Damm [Sat, 15 Aug 2009 02:53:25 +0000]
sh: CMT suspend/resume

This patch updates the SuperH CMT driver with suspend and resume
callbacks for the suspend-to-ram case. This patch stops the CMT
channel at suspend time to avoid unwanted wake up events.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

10 years agosh: skip disabled LCDC channels
Magnus Damm [Sat, 15 Aug 2009 02:53:16 +0000]
sh: skip disabled LCDC channels

This patch updates the SuperH Mobile LCDC driver to skip
over disabled channels. Without this patch suspend-to-ram
operation will crash if deferred io is enabled.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

10 years agogre: Fix MTU calculation for bound GRE tunnels
Tom Goff [Fri, 14 Aug 2009 23:33:56 +0000]
gre: Fix MTU calculation for bound GRE tunnels

The GRE header length should be subtracted when the tunnel MTU is
calculated.  This just corrects for the associativity change
introduced by commit 42aa916265d740d66ac1f17290366e9494c884c2
("gre: Move MTU setting out of ipgre_tunnel_bind_dev").

Signed-off-by: Tom Goff <thomas.goff@boeing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agopegasus: Add new device ID.
Petko Manolov [Fri, 14 Aug 2009 06:40:48 +0000]
pegasus: Add new device ID.

Add new definition to 'pegasus.h' for support Japanese IO DATA
"ETX-US2" USB Ethernet Adapter.

PEGASUS_DEV( \e$B!H\e(BIO DATA USB ETX-US2\e$B!I\e(B, VENDOR_IODATA, 0x092a,
DEFAULT_GPIO_RESET | PEGASUS_II )

Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agodrivers/net: fixed drivers that support netpoll use ndo_start_xmit()
Dongdong Deng [Thu, 13 Aug 2009 19:12:31 +0000]
drivers/net: fixed drivers that support netpoll use ndo_start_xmit()

The NETPOLL API requires that interrupts remain disabled in
netpoll_send_skb(). The use of spin_lock_irq() and spin_unlock_irq()
in the NETPOLL API callbacks causes the interrupts to get enabled and
can lead to kernel instability.

The solution is to use spin_lock_irqsave() and spin_unlock_restore()
to prevent the irqs from getting enabled while in netpoll_send_skb().

Call trace:
netpoll_send_skb()
{
   -> local_irq_save(flags)
     ---> dev->ndo_start_xmit(skb, dev)
         ---> spin_lock_irq()
         ---> spin_unlock_irq() *******here would enable the interrupt.
              ...
   -> local_irq_restore(flags)
}

Signed-off-by: Dongdong Deng <dongdong.deng@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agovia-velocity: Fix test of mii_status bit VELOCITY_DUPLEX_FULL
roel kluin [Fri, 14 Aug 2009 02:09:56 +0000]
via-velocity: Fix test of mii_status bit VELOCITY_DUPLEX_FULL

Test whether VELOCITY_DUPLEX_FULL bit is set in mii_status.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
David S. Miller [Fri, 14 Aug 2009 19:27:19 +0000]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6

10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes
Linus Torvalds [Fri, 14 Aug 2009 16:34:25 +0000]
Merge git://git./linux/kernel/git/steve/gfs2-2.6-fixes

* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes:
  GFS2: Fix permissions on "recover" file

10 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Fri, 14 Aug 2009 15:25:19 +0000]
Merge branch 'for_linus' of git://git./linux/kernel/git/mchehab/linux-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (38 commits)
  V4L/DVB (12441): siano: read buffer overflow
  V4L/DVB (12440): Use kzalloc for frontend states to have struct dvb_frontend properly
  V4L/DVB (12438): Read buffer overflow
  V4L/DVB (12437): dvb: siano uses/depends on INPUT
  V4L/DVB (12436): stk-webcam: read buffer overflow
  V4L/DVB (12432): em28xx: fix regression in Empire DualTV digital tuning
  V4L/DVB (12429): v4l2-ioctl: fix G_STD and G_PARM default handlers
  V4L/DVB (12428): hdpvr: add missing initialization of current_norm
  V4L/DVB (12424): soc-camera: fix recursive locking in .buf_queue()
  V4L/DVB (12422): media/zr364xx: fix build errors
  V4L/DVB (12405): em28xx-cards: move register 0x13 setting to the proper place
  V4L/DVB (12411): em28xx: Fix artifacts with Silvercrest webcam
  V4L/DVB (12410): em28xx: Move the non-board dependent part to be outside em28xx_pre_card_setup()
  V4L/DVB (12407): em28xx: Adjust Silvercrest xtal frequency
  V4L/DVB (12406): em28xx: fix: don't do image interlacing on webcams
  V4L/DVB (12403): em28xx: properly reports some em2710 chips
  V4L/DVB (12402): em28xx: fix: some em2710 chips use a different vendor ID
  V4L/DVB (12401): m9v011: add vflip/hflip controls to control mirror/upside down
  V4L/DVB (12400): em28xx: Allow changing fps on webcams
  V4L/DVB (12399): mt9v011: Add support for controlling frame rates
  ...

10 years agort2x00: fix memory corruption in rf cache, add a sanity check
Pavel Roskin [Tue, 4 Aug 2009 21:48:16 +0000]
rt2x00: fix memory corruption in rf cache, add a sanity check

Change rt2x00_rf_read() and rt2x00_rf_write() to subtract 1 from the rf
register number.  This is needed because the rf registers are enumerated
starting with one.  The size of the rf register cache is just enough to
hold all registers, so writing to the highest register was corrupting
memory.  Add a check to make sure that the rf register number is valid.

Signed-off-by: Pavel Roskin <proski@gnu.org>
Cc: stable@kernel.org
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

10 years agoGFS2: Fix permissions on "recover" file
Steven Whitehouse [Tue, 11 Aug 2009 10:20:11 +0000]
GFS2: Fix permissions on "recover" file

Although this file is only ever written and not read by
userspace, it seems that the utils are opening this
file O_RDWR, so we need to allow that.

Also fixes the whitespace which seemed to be broken.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Cc: David Teigland <teigland@redhat.com>

10 years agomx31moboard: invert sdhc ro signal sense
Valentin Longchamp [Tue, 11 Aug 2009 15:29:21 +0000]
mx31moboard: invert sdhc ro signal sense

Small confusion with our hardware engineer, the WP signal (RO) is
active low on our boards, the signal has to inverted.

This is a pretty straightforward patch, it could even go to -rc,
but if not, then push it for 2.6.32.

Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

10 years agoixgbe: Fix receive on real device when VLANs are configured
Lucy Liu [Thu, 13 Aug 2009 14:09:38 +0000]
ixgbe: Fix receive on real device when VLANs are configured

Traffic received with a priority tag (VID = 0) and non-zero priority value was
incorrectly handled by the VLAN packet code path due to a check on zero for
the whole VLAN tag instead of just the VID.

This patch masked out the priority field when checking the vlan tag for
received VLAN packets.

Signed-off-by: Lucy Liu <lucy.liu@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoixgbe: Do not return 0 in ixgbe_fcoe_ddp() upon FCP_RSP in DDP completion
Yi Zou [Thu, 13 Aug 2009 14:09:58 +0000]
ixgbe: Do not return 0 in ixgbe_fcoe_ddp() upon FCP_RSP in DDP completion

We return the ddp->len in ixgbe_fcoe_ddp() to indicate the length of data that
have been DDPed. However, it is possible that the length is 0, e.g., for SCSI
READ, the FCP_RSP may come back w/ SCSI status 0x28 as Task Set Full with no FCP
data for DDP. In ixgbe_fcoe_ddp(), we return 0 to indicate not passing DDPed
packets to upper layer. Therefore in the case of ddp->len being 0 upon FCP_RSP,
we do not want to return the 0 ddp->len as we want FCP_RSP to be always
delivered to the upper layer. This patch fixes this bug by setting rc only if
ddp->len is non-zero.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoARM: S3C24XX: Fix clkout mpx error
Davide Rizzo [Thu, 13 Aug 2009 09:53:53 +0000]
ARM: S3C24XX: Fix clkout mpx error

Bug correction: CLK Outputs cannot have XTAL as parent

Signed-off-by: Davide Rizzo <elpa.rizzo@gmail.com>
[ben-linux@fluff.org: updated patch subject]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

10 years agoARM: S3C64XX: serial: Fix a typo in Kconfig
Ramax Lo [Wed, 12 Aug 2009 15:55:56 +0000]
ARM: S3C64XX: serial: Fix a typo in Kconfig

The typo causes drivers/serial/s3c6400.c not being built for s3c6400 platform.

Signed-off-by: Ramax Lo <ramaxlo@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

10 years agoV4L/DVB (12441): siano: read buffer overflow
Roel Kluin [Tue, 11 Aug 2009 01:59:33 +0000]
V4L/DVB (12441): siano: read buffer overflow

With mode DEVICE_MODE_RAW_TUNER a read occurs past the end of smscore_fw_lkup[].
Subsequently an attempt is made to load the firmware from the resulting
filename.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12440): Use kzalloc for frontend states to have struct dvb_frontend properly
Matthias Schwarzott [Tue, 11 Aug 2009 01:51:01 +0000]
V4L/DVB (12440): Use kzalloc for frontend states to have struct dvb_frontend properly

This patch changes most frontend drivers to allocate their state structure via
kzalloc and not kmalloc. This is done to properly initialize the
embedded "struct dvb_frontend frontend" field, that they all have.

The visible effect of this struct being uninitalized is, that the member "id"
that is used to set the name of kernel thread is totally random.

Some board drivers (for example cx88-dvb) set this "id" via
videobuf_dvb_alloc_frontend but most do not.

So I at least get random id values for saa7134, flexcop and ttpci based cards.
It looks like this in dmesg:
DVB: registering adapter 1 frontend -10551321 (ST STV0299 DVB-S)

The related kernel thread then also gets a strange name
like "kdvb-ad-1-fe--1".

Cc: Michael Krufky <mkrufky@linuxtv.org>
Cc: Steven Toth <stoth@linuxtv.org>
Cc: Timothy Lee <timothy.lee@siriushk.com>
Cc: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Acked-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12438): Read buffer overflow
Roel Kluin [Tue, 11 Aug 2009 01:07:54 +0000]
V4L/DVB (12438): Read buffer overflow

parport[n] is checked before n < MAX_CAMS

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12437): dvb: siano uses/depends on INPUT
Randy Dunlap [Tue, 11 Aug 2009 00:59:16 +0000]
V4L/DVB (12437): dvb: siano uses/depends on INPUT

siano uses input_*() functions so it should depend on INPUT
to prevent build errors:

ERROR: "input_event" [drivers/media/dvb/siano/sms1xxx.ko] undefined!
ERROR: "input_register_device" [drivers/media/dvb/siano/sms1xxx.ko] undefined!
ERROR: "input_free_device" [drivers/media/dvb/siano/sms1xxx.ko] undefined!
ERROR: "input_unregister_device" [drivers/media/dvb/siano/sms1xxx.ko] undefined!
ERROR: "input_allocate_device" [drivers/media/dvb/siano/sms1xxx.ko] undefined!

Cc: Michael Krufky <mkrufky@linuxtv.org>
Cc: Uri Shkolnik <uris@siano-ms.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12436): stk-webcam: read buffer overflow
Roel Kluin [Tue, 11 Aug 2009 01:17:25 +0000]
V4L/DVB (12436): stk-webcam: read buffer overflow

It tested the value of stk_sizes[i].m before checking whether i was in range.

Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12432): em28xx: fix regression in Empire DualTV digital tuning
Devin Heitmueller [Fri, 7 Aug 2009 12:25:06 +0000]
V4L/DVB (12432): em28xx: fix regression in Empire DualTV digital tuning

Restore support for digital tuning caused by regression during introduction
of disable_i2c_gate parameter to zl10353 driver.

Thanks to user "Xwang" for reporting the problem and testing the fix

Cc: Xwang <xwang1976@email.it>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12429): v4l2-ioctl: fix G_STD and G_PARM default handlers
Hans Verkuil [Fri, 7 Aug 2009 10:28:16 +0000]
V4L/DVB (12429): v4l2-ioctl: fix G_STD and G_PARM default handlers

The v4l core supplies default handlers for G_STD and G_PARM. However, both
default handlers are buggy.

This patch fixes the following:

1) If no g_std is supplied and current_norm == 0, then this driver does not
   support TV video standards (e.g. a radio or webcam driver). Return
   -EINVAL. This ensures that there is no bogus VIDIOC_G_STD support for
   such drivers.

2) The default VIDIOC_G_PARM handler used current_norm instead of first
   checking if the driver supported g_std and calling that to get the norm.
   It also didn't check if current_norm was 0, since in that case the driver
   does not support TV standards (or no standard was set at all) and the
   default handler should return -EINVAL.

Note that I am very unhappy with these default handlers: I think they
basically behave like some very strange and unexpected side-effect.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12428): hdpvr: add missing initialization of current_norm
Hans Verkuil [Fri, 7 Aug 2009 10:10:52 +0000]
V4L/DVB (12428): hdpvr: add missing initialization of current_norm

Drivers should either set current_norm or supply a g_std callback.

The hdpvr driver does neither. Since it initializes to a 60 Hz format
I've initialized the current_norm to NTSC | PAL_M | PAL_60 which is the
60 Hz subset of tvnorms.

Cc: Janne Grunau <j@jannau.net>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12424): soc-camera: fix recursive locking in .buf_queue()
Guennadi Liakhovetski [Wed, 5 Aug 2009 23:06:31 +0000]
V4L/DVB (12424): soc-camera: fix recursive locking in .buf_queue()

The .buf_queue() V4L2 driver method is called under
spinlock_irqsave(q->irqlock,...), don't take the lock again inside the
function.

Reported-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12422): media/zr364xx: fix build errors
Randy Dunlap [Wed, 5 Aug 2009 15:58:47 +0000]
V4L/DVB (12422): media/zr364xx: fix build errors

Fix build errors in zr364xx by adding selects:

zr364xx.c:(.text+0x195ed7): undefined reference to `videobuf_streamon'
zr364xx.c:(.text+0x196030): undefined reference to `videobuf_dqbuf'
zr364xx.c:(.text+0x1960c4): undefined reference to `videobuf_qbuf'
zr364xx.c:(.text+0x196123): undefined reference to `videobuf_querybuf'
zr364xx.c:(.text+0x196182): undefined reference to `videobuf_reqbufs'
zr364xx.c:(.text+0x196224): undefined reference to `videobuf_queue_is_busy'
zr364xx.c:(.text+0x196390): undefined reference to `videobuf_vmalloc_free'
zr364xx.c:(.text+0x196571): undefined reference to `videobuf_iolock'
zr364xx.c:(.text+0x196678): undefined reference to `videobuf_mmap_mapper'
zr364xx.c:(.text+0x196760): undefined reference to `videobuf_poll_stream'
zr364xx.c:(.text+0x19689a): undefined reference to `videobuf_read_one'
zr364xx.c:(.text+0x1969ec): undefined reference to `videobuf_mmap_free'
zr364xx.c:(.text+0x197862): undefined reference to `videobuf_queue_vmalloc_init'
zr364xx.c:(.text+0x197a28): undefined reference to `videobuf_streamoff'
zr364xx.c:(.text+0x198203): undefined reference to `videobuf_to_vmalloc'
zr364xx.c:(.text+0x198603): undefined reference to `videobuf_streamoff'
drivers/built-in.o: In function `free_buffer':
zr364xx.c:(.text+0x19930c): undefined reference to `videobuf_vmalloc_free'
drivers/built-in.o: In function `zr364xx_open':
zr364xx.c:(.text+0x19a7de): undefined reference to `videobuf_queue_vmalloc_init'
drivers/built-in.o: In function `read_pipe_completion':
zr364xx.c:(.text+0x19b17f): undefined reference to `videobuf_to_vmalloc'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12405): em28xx-cards: move register 0x13 setting to the proper place
Mauro Carvalho Chehab [Fri, 7 Aug 2009 21:43:00 +0000]
V4L/DVB (12405): em28xx-cards: move register 0x13 setting to the proper place

Register 0x13 seems to be a sort of image control, maybe gamma, white
level or black level. Lower values produce better images, while higher
values increases the contrast and shifts colors to green. 0xff produces
a black image. This register is not Silvercrest-specific, so its code
should be moved to a better place.

If this register is left alone, a random value can be found at the
register, producing weird results.

While here, let's remove register 0x0d, as it had no noticed effect at
the image.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12411): em28xx: Fix artifacts with Silvercrest webcam
Mauro Carvalho Chehab [Mon, 10 Aug 2009 13:29:27 +0000]
V4L/DVB (12411): em28xx: Fix artifacts with Silvercrest webcam

Silvercrest mt9v011 sensor produces a 640x480 image. However,
previously, the code were getting only half of the lines and merging two
consecutive frames to "produce" a 640x480 image.

With the addition of progressive mode, now em28xx is working with a full
image. However, when the number of lines is bigger than 240, the
beginning of some odd lines are filled with blank.

After lots of testing, and physically checking the device for a Xtal, it
was noticed experimentally that mt9v011 is using em28xx XCLK as its
clock. Due to that, changing XCLK value changes the maximum speed of the
stream.

At the tests, it were possible to produce up to 32 fps, using a 30 MHz
XCLK. However, at that rate, the artifacts happen even at 320x240. Lower
values of XCLK produces artifacts only at 640x480.

At some values of xclk (for example XCLKK = 6 MHz, 640x480), it is
possible to see an invalid sucession of artifacts with this pattern:

.xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
..xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
...xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
....xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
..xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
...xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
....xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

(where the dots represent the blanked pixels)

So, it seems that a waveform in the format of a ramp is interferring at
the image.

The cause of this interference is currently unknown. Some possibilities
are:
- electrical interference (maybe this device is broken?);
- some issue at mt9v011 programming;
- some bug at em28xx chip.

So, for now, let's be conservative and use a value of XCLK that we know
for sure that it won't cause artifacts.

As I'm waiting for more of such devices with different em28xx chipset
revisions, I'll have the opportunity to double check the issue with
other pieces of hardware.

Later patches can vary XCLK depending on the vertical resolutions, if a
proper fix is not discovered.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12410): em28xx: Move the non-board dependent part to be outside em28xx_pre_c...
Mauro Carvalho Chehab [Mon, 10 Aug 2009 05:57:57 +0000]
V4L/DVB (12410): em28xx: Move the non-board dependent part to be outside em28xx_pre_card_setup()

em28xx_pre_card_setup() is meant to contain board-specific initialization. Also,
as autodetection sometimes occur only after having i2c bus enabled, this
function may need to be called later.

Moving those setups to happen outside the function avoids calling it twice without
need and without duplicating output lines at dmesg.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12407): em28xx: Adjust Silvercrest xtal frequency
Mauro Carvalho Chehab [Sat, 8 Aug 2009 06:28:41 +0000]
V4L/DVB (12407): em28xx: Adjust Silvercrest xtal frequency

We don't know the xtal frequency of Silvercrest, but we need to have
some value in order to allow controlling the frame rate frequency. The
value is probably still wrong, since the manufacturer announces this
device as being capable of 30fps, but the maximum we can get is
13.5 fps.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12406): em28xx: fix: don't do image interlacing on webcams
Mauro Carvalho Chehab [Sat, 8 Aug 2009 06:14:55 +0000]
V4L/DVB (12406): em28xx: fix: don't do image interlacing on webcams

Due to historical reasons, em28xx driver gets two consecutive frames and
fold them into an unique framing, doing interlacing. While this works
fine for TV images, this produces two bad effects with webcams:

1) webcam images are progressive. Merging two consecutive images produce
interlacing artifacts on the image;

2) since the driver needs to get two frames, it reduces the maximum
frame rate by two.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12403): em28xx: properly reports some em2710 chips
Mauro Carvalho Chehab [Fri, 7 Aug 2009 15:13:31 +0000]
V4L/DVB (12403): em28xx: properly reports some em2710 chips

As reported by hermann pitton <hermann-pitton@arcor.de>, some devices
has a different chip id for em2710 (likely the older ones):

em28xx: New device @ 480 Mbps (eb1a:2710, interface 0, class 0)
em28xx #0: Identified as EM2710/EM2750/EM2751 webcam grabber (card=22)
em28xx #0: em28xx chip ID = 17

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12402): em28xx: fix: some em2710 chips use a different vendor ID
Mauro Carvalho Chehab [Fri, 7 Aug 2009 15:08:02 +0000]
V4L/DVB (12402): em28xx: fix: some em2710 chips use a different vendor ID

Thanks to hermann pitton <hermann-pitton@arcor.de> for pointing this new
variation.

Tested-by: hermann pitton <hermann-pitton@arcor.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12401): m9v011: add vflip/hflip controls to control mirror/upside down
Mauro Carvalho Chehab [Fri, 7 Aug 2009 04:09:54 +0000]
V4L/DVB (12401): m9v011: add vflip/hflip controls to control mirror/upside down

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12400): em28xx: Allow changing fps on webcams
Mauro Carvalho Chehab [Fri, 7 Aug 2009 00:53:59 +0000]
V4L/DVB (12400): em28xx: Allow changing fps on webcams

em28xx doesn't have temporal scaling. However, on webcams, sensors are
capable of changing the output rate. So, VIDIOC_[G|S]_PARM ioctls should
be passed to the sensor for it to properly set frame rate.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12399): mt9v011: Add support for controlling frame rates
Mauro Carvalho Chehab [Fri, 7 Aug 2009 00:03:35 +0000]
V4L/DVB (12399): mt9v011: Add support for controlling frame rates

Implement g_parm/s_parm ioctls. Those are used to check the current
frame rate (in fps) and to set it to a value. In practice, there are
only 15 possible different speeds, due to chip limits.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12394): cx88: Disable xc3028 power management for Geniatech x8000
Devin Heitmueller [Tue, 4 Aug 2009 01:52:59 +0000]
V4L/DVB (12394): cx88: Disable xc3028 power management for Geniatech x8000

A user discovered that the Geniatech x8000 encountered a regression when
the xc3028 power management was introduced.  The xc3028 never recovers after
setting the powerdown register, which is probably because the xc3028 reset
GPIO is not properly configured.  Since I do not have access to the hardware
and thus cannot determine the correct GPIO configuration, just disable xc3028
power management on this board, which fixes the regression.

Thanks to user "ritec" for reporting the issue and testing the fix.

Cc: rictec <rictec@netcabo.pt>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12393): cx88: fix regression in tuning for Geniatech X8000 MT
Devin Heitmueller [Tue, 4 Aug 2009 01:40:16 +0000]
V4L/DVB (12393): cx88: fix regression in tuning for Geniatech X8000 MT

The introduction of the zl10353 i2c gate control broke support for the
Geniatech board (which is not behind an i2 gate).  Add the needed parameter.

Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12391): saa7134: Use correct product name for Hauppauge WinTV-HVR1120 DVB...
Michael Krufky [Mon, 3 Aug 2009 19:51:33 +0000]
V4L/DVB (12391): saa7134: Use correct product name for Hauppauge WinTV-HVR1120 DVB-T/Hybrid

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12390): saa7134: Use correct product name for Hauppauge WinTV-HVR1150 ATSC...
Michael Krufky [Mon, 3 Aug 2009 19:51:33 +0000]
V4L/DVB (12390): saa7134: Use correct product name for Hauppauge WinTV-HVR1150 ATSC/QAM-Hybrid

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12386): sms1xxx: fix build warning: unused variable 'board'
Michael Krufky [Sun, 2 Aug 2009 15:37:34 +0000]
V4L/DVB (12386): sms1xxx: fix build warning: unused variable 'board'

Remove the following build warning:

sms-cards.c: In function 'sms_board_event':
sms-cards.c:120: warning: unused variable 'board'

Thanks to Hans Verkuil for pointing this out.

The problem code has been #if 0'd for now, this will likely be
used again in the future, once the event interface is complete.

Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12380): uvcvideo: Avoid flooding the kernel log with "unknown event type...
Laurent Pinchart [Sat, 1 Aug 2009 21:14:24 +0000]
V4L/DVB (12380): uvcvideo: Avoid flooding the kernel log with "unknown event type" messages

The iSight sends non-UVC status events through the interrupt endpoint. Those
invalid events are reported to the kernel log, resulting in a log flood.

Only log the events when the UVC_TRACE_STATUS flag is set.

Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12328): uvcvideo: Don't apply the FIX_BANDWIDTH quirk to all ViMicro devices
Laurent Pinchart [Sun, 19 Jul 2009 22:16:05 +0000]
V4L/DVB (12328): uvcvideo: Don't apply the FIX_BANDWIDTH quirk to all ViMicro devices

Commit 50144aeeb702ea105697ae5249f059ea3990b838 broke the Samsung NC10
netbook webcam. Instead of applying the FIX_BANDWIDTH quirk to all ViMicro
devices, list the devices explicitly.

Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (12374): sms1xxx: fix broken Hauppauge devices
Michael Krufky [Sun, 12 Jul 2009 21:25:45 +0000]
V4L/DVB (12374): sms1xxx: fix broken Hauppauge devices

The current GPIO configuration breaks all Hauppauge devices.

The code being removed affects Hauppauge devices only,
and is the cause of the breakage.

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>