GitHub/LineageOS/android_kernel_motorola_exynos9610.git
11 years agosparc64: cleanup: Rename ret_from_syscall to ret_from_fork
Kirill Tkhai [Fri, 26 Jul 2013 12:42:39 +0000 (16:42 +0400)]
sparc64: cleanup: Rename ret_from_syscall to ret_from_fork

Rename to make the function name better conform to its goal.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
CC: David Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agosparc32: Fix exit flag passed from traced sys_sigreturn
Kirill Tkhai [Thu, 25 Jul 2013 21:17:15 +0000 (01:17 +0400)]
sparc32: Fix exit flag passed from traced sys_sigreturn

Pass 1 in %o1 to indicate that syscall_trace accounts exit.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
CC: David Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agosparc64: Fix wrong syscall return value passed to trace_sys_exit()
Kirill Tkhai [Thu, 25 Jul 2013 21:00:53 +0000 (01:00 +0400)]
sparc64: Fix wrong syscall return value passed to trace_sys_exit()

Syscall number is passed instead of return value. Fix that.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
CC: David Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agosupport sparc64x chip type in cpumap.c
Allen Pais [Tue, 23 Jul 2013 11:21:05 +0000 (16:51 +0530)]
support sparc64x chip type in cpumap.c

Add SPARC64X chip type in cpumap.c to correctly
build CPU distribution map that spans all CPUs.

Signed-off-by: Allen Pais <allen.pais@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agocpu hw caps support for sparc64x
Allen Pais [Tue, 23 Jul 2013 11:20:38 +0000 (16:50 +0530)]
cpu hw caps support for sparc64x

Signed-off-by: Allen Pais <allen.pais@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Thu, 1 Aug 2013 00:55:12 +0000 (17:55 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Radeon, nouveau, exynos, intel, mgag200..

  Not all strictly regressions but there was probably only one patch I'd
  have really left out and it didn't seem worth respinning exynos to
  avoid it, the line change count is quite low.

   radeon: regressions + more dynamic powermanagement fixes, since DPM
     is a new feature, and off by default I'd prefer to keep merging
     fixes since it has a large userbase already and I'd like to keep
     them on mainline

   nouveau: is mostly regression fixes

   i915: is a regression fix since Daniel is on holidays I've merged it.

   mgag200: I've picked a bunch of targetted fixes from a big bunch of
     distro patches,

   exynos: build fixes mostly, one regression fix

  I expect things will slow right down now, I may send on the intel
  early quirk from Jesse separatly, since I think the x86 maintainers
  acked it"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (37 commits)
  drm/i915: fix missed hunk after GT access breakage
  drm/radeon/dpm: re-enable cac control on SI
  drm/radeon/dpm: fix calculations in si_calculate_leakage_for_v_and_t_formula
  drm: fix 64 bit drm fixed point helpers
  drm/radeon/atom: initialize more atom interpretor elements to 0
  drm/nouveau: fix semaphore dmabuf obj
  drm/nouveau/vm: make vm refcount into a kref
  drm/nv31/mpeg: don't recognize nv3x cards as having nv44 graph class
  drm/nv40/mpeg: write magic value to channel object to make it work
  drm/nouveau: fix size check for cards without vm
  drm/nv50-/disp: remove dcb_outp_match call, and related variables
  drm/nva3-/disp: fix hda eld writing, needs to be padded
  drm/nv31/mpeg: fix mpeg engine initialization
  drm/nv50/mc: include vp in the fb error reporting mask
  drm/nouveau: fix null pointer dereference in poll_changed
  drm/nv50/gpio: post-nv92 cards have 32 interrupt lines
  drm/nvc0/fb: take lock in nvc0_ram_put()
  drm/nouveau/core: xtensa firmware size needs to be 0x40000 no matter what
  drm/mgag200: Fix LUT programming for 16bpp
  drm/mgag200: Fix framebuffer pitch calculation
  ...

11 years agoMerge tag 'fbdev-fixes-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 1 Aug 2013 00:54:24 +0000 (17:54 -0700)]
Merge tag 'fbdev-fixes-3.11-rc2' of git://git./linux/kernel/git/tomba/linux

Pull fbdev fixes from Tomi Valkeinen:
 "Small fbdev fixes:
   - compile fixes
   - atyfb initialization fix
   - Fix freeing of the irq in sh7760fb & nuc900fb"

* tag 'fbdev-fixes-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
  video: sh7760fb: fix to pass correct device identity to free_irq()
  fbdev/atyfb: fix recent breakage in correct_chipset()
  fbdev/sgivwfb: fix compilation error in sgivwfb_mmap()
  video: nuc900fb: fix to pass correct device identity to request_irq()
  vga16fb: Remove unused variable
  video: xilinxfb: Fix compilation warning

11 years agoMerge tag 'vfio-v3.11-rc4' of git://github.com/awilliam/linux-vfio
Linus Torvalds [Thu, 1 Aug 2013 00:53:38 +0000 (17:53 -0700)]
Merge tag 'vfio-v3.11-rc4' of git://github.com/awilliam/linux-vfio

Pull vfio fixes from Alex Williamson:
 "misc fixes around overreacting to bus notifier events and a locking
  fix for a corner case blocked remove"

* tag 'vfio-v3.11-rc4' of git://github.com/awilliam/linux-vfio:
  vfio-pci: Avoid deadlock on remove
  vfio: Ignore sprurious notifies
  vfio: Don't overreact to DEL_DEVICE

11 years agoMerge branch 'akpm' (patches from Andrew Morton)
Linus Torvalds [Thu, 1 Aug 2013 00:52:04 +0000 (17:52 -0700)]
Merge branch 'akpm' (patches from Andrew Morton)

Merge more patches from Andrew Morton:
 "A bunch of fixes.

  Plus Joe's printk move and rework.  It's not a -rc3 thing but now
  would be a nice time to offload it, while things are quiet.  I've been
  sitting on it all for a couple of weeks, no issues"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  vmpressure: make sure there are no events queued after memcg is offlined
  vmpressure: do not check for pending work to prevent from new work
  vmpressure: change vmpressure::sr_lock to spinlock
  printk: rename struct log to struct printk_log
  printk: use pointer for console_cmdline indexing
  printk: move braille console support into separate braille.[ch] files
  printk: add console_cmdline.h
  printk: move to separate directory for easier modification
  drivers/rtc/rtc-twl.c: fix: rtcX/wakealarm attribute isn't created
  mm: zbud: fix condition check on allocation size
  thp, mm: avoid PageUnevictable on active/inactive lru lists
  mm/swap.c: clear PageActive before adding pages onto unevictable list
  arch/x86/platform/ce4100/ce4100.c: include reboot.h
  mm: sched: numa: fix NUMA balancing when !SCHED_DEBUG
  rapidio: fix use after free in rio_unregister_scan()
  .gitignore: ignore *.lz4 files
  MAINTAINERS: dynamic debug: Jason's not there...
  dmi_scan: add comments on dmi_present() and the loop in dmi_scan_machine()
  ocfs2/refcounttree: add the missing NULL check of the return value of find_or_create_page()
  mm: mempolicy: fix mbind_range() && vma_adjust() interaction

11 years agovmpressure: make sure there are no events queued after memcg is offlined
Michal Hocko [Wed, 31 Jul 2013 20:53:51 +0000 (13:53 -0700)]
vmpressure: make sure there are no events queued after memcg is offlined

vmpressure is called synchronously from reclaim where the target_memcg
is guaranteed to be alive but the eventfd is signaled from the work
queue context.  This means that memcg (along with vmpressure structure
which is embedded into it) might go away while the work item is pending
which would result in use-after-release bug.

We have two possible ways how to fix this.  Either vmpressure pins memcg
before it schedules vmpr->work and unpin it in vmpressure_work_fn or
explicitely flush the work item from the css_offline context (as
suggested by Tejun).

This patch implements the later one and it introduces vmpressure_cleanup
which flushes the vmpressure work queue item item.  It hooks into
mem_cgroup_css_offline after the memcg itself is cleaned up.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Reported-by: Tejun Heo <tj@kernel.org>
Cc: Anton Vorontsov <anton.vorontsov@linaro.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Li Zefan <lizefan@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agovmpressure: do not check for pending work to prevent from new work
Michal Hocko [Wed, 31 Jul 2013 20:53:50 +0000 (13:53 -0700)]
vmpressure: do not check for pending work to prevent from new work

because it is racy and it doesn't give us much anyway as schedule_work
handles this case already.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Reported-by: Tejun Heo <tj@kernel.org>
Cc: Anton Vorontsov <anton.vorontsov@linaro.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Li Zefan <lizefan@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agovmpressure: change vmpressure::sr_lock to spinlock
Michal Hocko [Wed, 31 Jul 2013 20:53:48 +0000 (13:53 -0700)]
vmpressure: change vmpressure::sr_lock to spinlock

There is nothing that can sleep inside critical sections protected by
this lock and those sections are really small so there doesn't make much
sense to use mutex for them.  Change the log to a spinlock

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Reported-by: Tejun Heo <tj@kernel.org>
Cc: Anton Vorontsov <anton.vorontsov@linaro.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Li Zefan <lizefan@huawei.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoprintk: rename struct log to struct printk_log
Joe Perches [Wed, 31 Jul 2013 20:53:47 +0000 (13:53 -0700)]
printk: rename struct log to struct printk_log

Rename the struct to enable moving portions of
printk.c to separate files.

The rename changes output of /proc/vmcoreinfo.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoprintk: use pointer for console_cmdline indexing
Joe Perches [Wed, 31 Jul 2013 20:53:46 +0000 (13:53 -0700)]
printk: use pointer for console_cmdline indexing

Make the code a bit more compact by always using a pointer for the active
console_cmdline.

Move overly indented code to correct indent level.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoprintk: move braille console support into separate braille.[ch] files
Joe Perches [Wed, 31 Jul 2013 20:53:45 +0000 (13:53 -0700)]
printk: move braille console support into separate braille.[ch] files

Create files with prototypes and static inlines for braille support.  Make
braille_console functions return 1 on success.

Corrected CONFIG_A11Y_BRAILLE_CONSOLE=n _braille_console_setup
return value to NULL.

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoprintk: add console_cmdline.h
Joe Perches [Wed, 31 Jul 2013 20:53:44 +0000 (13:53 -0700)]
printk: add console_cmdline.h

Add an include file for the console_cmdline struct so that the braille
console driver can be separated.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoprintk: move to separate directory for easier modification
Joe Perches [Wed, 31 Jul 2013 20:53:42 +0000 (13:53 -0700)]
printk: move to separate directory for easier modification

Make it easier to break up printk into bite-sized chunks.

Remove printk path/filename from comment.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agodrivers/rtc/rtc-twl.c: fix: rtcX/wakealarm attribute isn't created
Grygorii Strashko [Wed, 31 Jul 2013 20:53:41 +0000 (13:53 -0700)]
drivers/rtc/rtc-twl.c: fix: rtcX/wakealarm attribute isn't created

The device_init_wakeup() should be called before rtc_device_register().
Otherwise, sysfs "sys/class/rtc/rtcX/wakealarm" attribute will not be seen
from User space.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomm: zbud: fix condition check on allocation size
Heesub Shin [Wed, 31 Jul 2013 20:53:40 +0000 (13:53 -0700)]
mm: zbud: fix condition check on allocation size

zbud_alloc() incorrectly verifies the size of allocation limit.  It
should deny the allocation request greater than (PAGE_SIZE -
ZHDR_SIZE_ALIGNED - CHUNK_SIZE), not (PAGE_SIZE - ZHDR_SIZE_ALIGNED)
which has no remaining spaces for its buddy.  There is no point in
spending the entire zbud page storing only a single page, since we don't
have any benefits.

Signed-off-by: Heesub Shin <heesub.shin@samsung.com>
Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Cc: Bob Liu <bob.liu@oracle.com>
Cc: Dongjun Shin <d.j.shin@samsung.com>
Cc: Sunae Seo <sunae.seo@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agothp, mm: avoid PageUnevictable on active/inactive lru lists
Kirill A. Shutemov [Wed, 31 Jul 2013 20:53:39 +0000 (13:53 -0700)]
thp, mm: avoid PageUnevictable on active/inactive lru lists

active/inactive lru lists can contain unevicable pages (i.e.  ramfs pages
that have been placed on the LRU lists when first allocated), but these
pages must not have PageUnevictable set - otherwise shrink_[in]active_list
goes crazy:

kernel BUG at /home/space/kas/git/public/linux-next/mm/vmscan.c:1122!

1090 static unsigned long isolate_lru_pages(unsigned long nr_to_scan,
1091                 struct lruvec *lruvec, struct list_head *dst,
1092                 unsigned long *nr_scanned, struct scan_control *sc,
1093                 isolate_mode_t mode, enum lru_list lru)
1094 {
...
1108                 switch (__isolate_lru_page(page, mode)) {
1109                 case 0:
...
1116                 case -EBUSY:
...
1121                 default:
1122                         BUG();
1123                 }
1124         }
...
1130 }

__isolate_lru_page() returns EINVAL for PageUnevictable(page).

For lru_add_page_tail(), it means we should not set PageUnevictable()
for tail pages unless we're sure that it will go to LRU_UNEVICTABLE.
Let's just copy PG_active and PG_unevictable from head page in
__split_huge_page_refcount(), it will simplify lru_add_page_tail().

This will fix one more bug in lru_add_page_tail(): if
page_evictable(page_tail) is false and PageLRU(page) is true, page_tail
will go to the same lru as page, but nobody cares to sync page_tail
active/inactive state with page.  So we can end up with inactive page on
active lru.  The patch will fix it as well since we copy PG_active from
head page.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomm/swap.c: clear PageActive before adding pages onto unevictable list
Naoya Horiguchi [Wed, 31 Jul 2013 20:53:37 +0000 (13:53 -0700)]
mm/swap.c: clear PageActive before adding pages onto unevictable list

As a result of commit 13f7f78981e4 ("mm: pagevec: defer deciding which
LRU to add a page to until pagevec drain time"), pages on unevictable
lists can have both of PageActive and PageUnevictable set.  This is not
only confusing, but also corrupts page migration and
shrink_[in]active_list.

This patch fixes the problem by adding ClearPageActive before adding
pages into unevictable list.  It also cleans up VM_BUG_ONs.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoarch/x86/platform/ce4100/ce4100.c: include reboot.h
Andrew Morton [Wed, 31 Jul 2013 20:53:36 +0000 (13:53 -0700)]
arch/x86/platform/ce4100/ce4100.c: include reboot.h

Fix the build:

  arch/x86/platform/ce4100/ce4100.c: In function 'x86_ce4100_early_setup':
  arch/x86/platform/ce4100/ce4100.c:165:2: error: 'reboot_type' undeclared (first use in this function)

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomm: sched: numa: fix NUMA balancing when !SCHED_DEBUG
Dave Kleikamp [Wed, 31 Jul 2013 20:53:35 +0000 (13:53 -0700)]
mm: sched: numa: fix NUMA balancing when !SCHED_DEBUG

Commit 3105b86a9fee ("mm: sched: numa: Control enabling and disabling of
NUMA balancing if !SCHED_DEBUG") defined numabalancing_enabled to
control the enabling and disabling of automatic NUMA balancing, but it
is never used.

I believe the intention was to use this in place of sched_feat_numa(NUMA).

Currently, if SCHED_DEBUG is not defined, sched_feat_numa(NUMA) will
never be changed from the initial "false".

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agorapidio: fix use after free in rio_unregister_scan()
Dan Carpenter [Wed, 31 Jul 2013 20:53:34 +0000 (13:53 -0700)]
rapidio: fix use after free in rio_unregister_scan()

We're freeing the list iterator so we can't move to the next entry.
Since there is only one matching mport_id, we can just break after
finding it.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years ago.gitignore: ignore *.lz4 files
Markus Trippelsdorf [Wed, 31 Jul 2013 20:53:33 +0000 (13:53 -0700)]
.gitignore: ignore *.lz4 files

Now that lz4 kernel compression is available, add *.lz4 to .gitignore.

Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Acked-by: Kyungsik Lee <kyungsik.lee@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoMAINTAINERS: dynamic debug: Jason's not there...
Joe Perches [Wed, 31 Jul 2013 20:53:32 +0000 (13:53 -0700)]
MAINTAINERS: dynamic debug: Jason's not there...

He must be too, umm, busy to update his own bouncing email address too.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Jason Baron <jbaron@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agodmi_scan: add comments on dmi_present() and the loop in dmi_scan_machine()
Ben Hutchings [Wed, 31 Jul 2013 20:53:30 +0000 (13:53 -0700)]
dmi_scan: add comments on dmi_present() and the loop in dmi_scan_machine()

My previous refactoring in commit 79bae42d51a5 ("dmi_scan: refactor
dmi_scan_machine(), {smbios,dmi}_present()") resulted in slightly tricky
code (though I think it's more elegant).  Explain what it's doing.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Cc: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoocfs2/refcounttree: add the missing NULL check of the return value of find_or_create_...
Gu Zheng [Wed, 31 Jul 2013 20:53:29 +0000 (13:53 -0700)]
ocfs2/refcounttree: add the missing NULL check of the return value of find_or_create_page()

Add the missing NULL check of the return value of find_or_create_page() in
function ocfs2_duplicate_clusters_by_page().

[akpm@linux-foundation.org: fix layout, per Joel]
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Acked-by: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomm: mempolicy: fix mbind_range() && vma_adjust() interaction
Oleg Nesterov [Wed, 31 Jul 2013 20:53:28 +0000 (13:53 -0700)]
mm: mempolicy: fix mbind_range() && vma_adjust() interaction

vma_adjust() does vma_set_policy(vma, vma_policy(next)) and this
is doubly wrong:

1. This leaks vma->vm_policy if it is not NULL and not equal to
   next->vm_policy.

   This can happen if vma_merge() expands "area", not prev (case 8).

2. This sets the wrong policy if vma_merge() joins prev and area,
   area is the vma the caller needs to update and it still has the
   old policy.

Revert commit 1444f92c8498 ("mm: merging memory blocks resets
mempolicy") which introduced these problems.

Change mbind_range() to recheck mpol_equal() after vma_merge() to fix
the problem that commit tried to address.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Steven T Hampson <steven.t.hampson@intel.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Wed, 31 Jul 2013 19:56:18 +0000 (12:56 -0700)]
Merge git://git./linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) Fix association failures not triggering a connect-failure event in
    cfg80211, from Johannes Berg.

 2) Eliminate a potential NULL deref with older iptables tools when
    configuring xt_socket rules, from Eric Dumazet.

 3) Missing RTNL locking in wireless regulatory code, from Johannes
    Berg.

 4) Fix OOPS caused by firmware loading races in ath9k_htc, from Alexey
    Khoroshilov.

 5) Fix usb URB leak in usb_8dev CAN driver, also from Alexey
    Khoroshilov.

 6) VXLAN namespace teardown fails to unregister devices, from Stephen
    Hemminger.

 7) Fix multicast settings getting dropped by firmware in qlcnic driver,
    from Sucheta Chakraborty.

 8) Add sysctl range enforcement for tcp_syn_retries, from Michal Tesar.

 9) Fix a nasty bug in bridging where an active timer would get
    reinitialized with a setup_timer() call.  From Eric Dumazet.

10) Fix use after free in new mlx5 driver, from Dan Carpenter.

11) Fix freed pointer reference in ipv6 multicast routing on namespace
    cleanup, from Hannes Frederic Sowa.

12) Some usbnet drivers report TSO and SG in their feature set, but the
    usbnet layer doesn't really support them.  From Eric Dumazet.

13) Fix crash on EEH errors in tg3 driver, from Gavin Shan.

14) Drop cb_lock when requesting modules in genetlink, from Stanislaw
    Gruszka.

15) Kernel stack leaks in cbq scheduler and af_key pfkey messages, from
    Dan Carpenter.

16) FEC driver erroneously signals NETDEV_TX_BUSY on transmit leading to
    endless loops, from Uwe Kleine-König.

17) Fix hangs from loading mvneta driver, from Arnaud Patard.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (84 commits)
  mlx5: fix error return code in mlx5_alloc_uuars()
  mvneta: Try to fix mvneta when compiled as module
  mvneta: Fix hang when loading the mvneta driver
  atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring
  genetlink: fix usage of NLM_F_EXCL or NLM_F_REPLACE
  af_key: more info leaks in pfkey messages
  net/fec: Don't let ndo_start_xmit return NETDEV_TX_BUSY without link
  net_sched: Fix stack info leak in cbq_dump_wrr().
  igb: fix vlan filtering in promisc mode when not in VT mode
  ixgbe: Fix Tx Hang issue with lldpad on 82598EB
  genetlink: release cb_lock before requesting additional module
  net: fec: workaround stop tx during errata ERR006358
  qlcnic: Fix diagnostic interrupt test for 83xx adapters.
  qlcnic: Fix setting Guest VLAN
  qlcnic: Fix operation type and command type.
  qlcnic: Fix initialization of work function.
  Revert "atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring"
  atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring
  net/tg3: Fix warning from pci_disable_device()
  net/tg3: Fix kernel crash
  ...

11 years agoMerge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Linus Torvalds [Wed, 31 Jul 2013 18:38:38 +0000 (11:38 -0700)]
Merge branch 'upstream' of git://git.linux-mips.org/ralf/upstream-linus

Pull MIPS fixes from Ralf Baechle:
 - BMIPS SMP fixes
 - a build fix necessary for older compilers
 - two more bugs found my Chandras' testing
 - and one more build fix

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: BMIPS: fix slave CPU booting when physical CPU is not 0
  MIPS: BMIPS: do not change interrupt routing depending on boot CPU
  MIPS: powertv: Fix arguments for free_reserved_area()
  MIPS: Set default CPU type for BCM47XX platforms
  MIPS: uapi/asm/siginfo.h: Fix GCC 4.1.2 compilation
  MIPS: Fix multiple definitions of UNCAC_BASE.

11 years agoMerge tag 'stable/for-linus-3.11-rc3-tag' of git://git.kernel.org/pub/scm/linux/kerne...
Linus Torvalds [Wed, 31 Jul 2013 18:37:43 +0000 (11:37 -0700)]
Merge tag 'stable/for-linus-3.11-rc3-tag' of git://git./linux/kernel/git/xen/tip

Pull Xen fixes from Konrad Rzeszutek Wilk:
 - Three fixes for ARM/ARM64 to either compile or not certain generic
   drivers
 - Fix for avoiding a potential deadlock when an user space event
   channel is destroyed.
 - Fix a workqueue resuming multiple times.

* tag 'stable/for-linus-3.11-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/tmem: do not allow XEN_TMEM on ARM64
  xen/evtchn: avoid a deadlock when unbinding an event channel
  xen/arm: enable PV control for ARM
  xen/arm64: Don't compile cpu hotplug
  xenbus: frontend resume cleanup

11 years agoMerge tag 'xen-arm-3.11-rc2-warn-tag' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 31 Jul 2013 18:34:56 +0000 (11:34 -0700)]
Merge tag 'xen-arm-3.11-rc2-warn-tag' of git://git./linux/kernel/git/sstabellini/xen

Pull Xen ARM fix from Stefano Stabellini.

Update xen_restart to new calling convention.

* tag 'xen-arm-3.11-rc2-warn-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen:
  xen/arm,arm64: update xen_restart after ff701306cd49 and 7b6d864b48d9

11 years agoMerge tag 'usb-3.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Linus Torvalds [Wed, 31 Jul 2013 18:31:36 +0000 (11:31 -0700)]
Merge tag 'usb-3.11-rc4' of git://git./linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some tiny USB fixes for 3.11-rc4

  Nothing major, some gadget fixes, some new device ids, a new tiny
  driver for the ANT+ USB device, and a number of fixes for the mos7840
  driver that were much needed"

* tag 'usb-3.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  USB: serial: ftdi_sio: add more RT Systems ftdi devices
  usb: chipidea: fix the build error with randconfig
  usb: chipidea: cast PORTSC_PTS and DEVLC_PTS macros
  usb: gadget: udc-core: fix the typo of udc state attribute
  usb: gadget: f_phonet: remove unused preprocessor conditional
  usb: gadget: multi: fix error return code in cdc_do_config()
  USB: mos7840: fix pointer casts
  USB: mos7840: fix race in led handling
  USB: mos7840: fix device-type detection
  USB: mos7840: fix race in register handling
  USB: serial: add driver for Suunto ANT+ USB device
  usb: gadget: free opts struct on error recovery
  usb: gadget: ether: put_usb_function on unbind
  usb: musb: fix resource passed from glue layer to musb

11 years agoMerge tag 'tty-3.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Linus Torvalds [Wed, 31 Jul 2013 18:31:06 +0000 (11:31 -0700)]
Merge tag 'tty-3.11-rc4' of git://git./linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are 4 tiny tty and serial driver fixes for 3.11-rc4.

  Nothing big, a refcount leak, a module alias fix, and two fixes to the
  mxs-auart serial driver"

* tag 'tty-3.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: arc_uart: Fix module alias
  tty_port: Fix refcounting leak in tty_port_tty_hangup()
  serial/mxs-auart: increase time to wait for transmitter to become idle
  serial/mxs-auart: fix race condition in interrupt handler

11 years agomlx5: fix error return code in mlx5_alloc_uuars()
Wei Yongjun [Mon, 29 Jul 2013 23:57:06 +0000 (07:57 +0800)]
mlx5: fix error return code in mlx5_alloc_uuars()

Fix to return -ENOMEM from the ioremap error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agomvneta: Try to fix mvneta when compiled as module
Arnaud Patard \(Rtp\) [Mon, 29 Jul 2013 19:56:48 +0000 (21:56 +0200)]
mvneta: Try to fix mvneta when compiled as module

When the mvneta driver is compiled as module, the clock is disabled before
it's loading. This will reset the registers values and all configuration
made by the bootloader.

This patch sets the "sgmii serdes configuration" register to a magical value
found in:
https://github.com/yellowback/ubuntu-precise-armadaxp/blob/master/arch/arm/mach-armadaxp/armada_xp_family/ctrlEnv/mvCtrlEnvLib.c

With this change, the interrupts are working/generated and ethernet is
working.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agomvneta: Fix hang when loading the mvneta driver
Arnaud Patard \(Rtp\) [Mon, 29 Jul 2013 19:56:47 +0000 (21:56 +0200)]
mvneta: Fix hang when loading the mvneta driver

When the mvneta driver is compiled, it'll be loaded with clocks disabled.
This implies that the clocks should be enabled again before any register
access or it'll hang.

To fix it:
- enable clock earlier
- move timer callback after setting timer.data

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoatl1c: Fix misuse of netdev_alloc_skb in refilling rx ring
Eric Dumazet [Mon, 29 Jul 2013 17:24:04 +0000 (10:24 -0700)]
atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring

On Mon, 2013-07-29 at 08:30 -0700, Eric Dumazet wrote:
> On Mon, 2013-07-29 at 13:09 +0100, Luis Henriques wrote:
>
> >
> > I confirm that I can't reproduce the issue using this patch.
> >
>
> Thanks, I'll send a polished patch, as this one had an error if
> build_skb() returns NULL (in case sk_buff allocation fails)

Please try the following patch : It should use 2K frags instead of 4K
for normal 1500 mtu

Thanks !

[PATCH] atl1c: use custom skb allocator

We had reports ( https://bugzilla.kernel.org/show_bug.cgi?id=54021 )
that using high order pages for skb allocations is problematic for atl1c

We do not know exactly what the problem is, but we suspect that crossing
4K pages is not well supported by this hardware.

Use a custom allocator, using page allocator and 2K fragments for
optimal stack behavior. We might make this allocator generic
in future kernels.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Luis Henriques <luis.henriques@canonical.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agodrm/i915: fix missed hunk after GT access breakage
Ben Widawsky [Tue, 30 Jul 2013 23:27:57 +0000 (16:27 -0700)]
drm/i915: fix missed hunk after GT access breakage

Upon some code refactoring, a hunk was missed. This was fixed for
next, but missed the current trees, and hasn't yet been merged by Dave
Airlie. It is fixed in:
commit 907b28c56ea40629aa6595ddfa414ec2fc7da41c
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Jul 19 20:36:52 2013 +0100

    drm/i915: Colocate all GT access routines in the same file

It is introduced by:
commit 181d1b9e31c668259d3798c521672afb8edd355c
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Sun Jul 21 13:16:24 2013 +0200

    drm/i915: fix up gt init sequence fallout

Reported-by: Dave Jones <davej@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agogenetlink: fix usage of NLM_F_EXCL or NLM_F_REPLACE
Pablo Neira [Mon, 29 Jul 2013 10:30:04 +0000 (12:30 +0200)]
genetlink: fix usage of NLM_F_EXCL or NLM_F_REPLACE

Currently, it is not possible to use neither NLM_F_EXCL nor
NLM_F_REPLACE from genetlink. This is due to this checking in
genl_family_rcv_msg:

if (nlh->nlmsg_flags & NLM_F_DUMP)

NLM_F_DUMP is NLM_F_MATCH|NLM_F_ROOT. Thus, if NLM_F_EXCL or
NLM_F_REPLACE flag is set, genetlink believes that you're
requesting a dump and it calls the .dumpit callback.

The solution that I propose is to refine this checking to
make it stricter:

if ((nlh->nlmsg_flags & NLM_F_DUMP) == NLM_F_DUMP)

And given the combination NLM_F_REPLACE and NLM_F_EXCL does
not make sense to me, it removes the ambiguity.

There was a patch that tried to fix this some time ago (0ab03c2
netlink: test for all flags of the NLM_F_DUMP composite) but it
tried to resolve this ambiguity in *all* existing netlink subsystems,
not only genetlink. That patch was reverted since it broke iproute2,
which is using NLM_F_ROOT to request the dump of the routing cache.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoaf_key: more info leaks in pfkey messages
Dan Carpenter [Sun, 28 Jul 2013 20:04:45 +0000 (23:04 +0300)]
af_key: more info leaks in pfkey messages

This is inspired by a5cc68f3d6 "af_key: fix info leaks in notify
messages".  There are some struct members which don't get initialized
and could disclose small amounts of private information.

Acked-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet/fec: Don't let ndo_start_xmit return NETDEV_TX_BUSY without link
Uwe Kleine-König [Tue, 30 Jul 2013 09:29:40 +0000 (11:29 +0200)]
net/fec: Don't let ndo_start_xmit return NETDEV_TX_BUSY without link

Don't test for having link and let hardware deal with this situation.

Without this patch I see a machine running an -rt patched Linux being
stuck in sch_direct_xmit when it looses link while there is still a
packet to be sent. In this case the fec_enet_start_xmit routine returned
NETDEV_TX_BUSY which makes the network stack reschedule the packet and
so sch_direct_xmit calls fec_enet_start_xmit again.
I failed to reproduce a complete hang without -rt, but I think the
problem exists there, too.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux
Dave Airlie [Tue, 30 Jul 2013 22:46:21 +0000 (08:46 +1000)]
Merge branch 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux

Alex writes:
- more fixes for SI dpm
- fix DP on some rv6xx boards

* 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon/dpm: re-enable cac control on SI
  drm/radeon/dpm: fix calculations in si_calculate_leakage_for_v_and_t_formula
  drm: fix 64 bit drm fixed point helpers
  drm/radeon/atom: initialize more atom interpretor elements to 0

11 years agodrm/radeon/dpm: re-enable cac control on SI
Alex Deucher [Tue, 30 Jul 2013 21:02:29 +0000 (17:02 -0400)]
drm/radeon/dpm: re-enable cac control on SI

Now that the fixed point functions are fixed we
can re-enable cac support.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon/dpm: fix calculations in si_calculate_leakage_for_v_and_t_formula
Alex Deucher [Tue, 30 Jul 2013 20:56:52 +0000 (16:56 -0400)]
drm/radeon/dpm: fix calculations in si_calculate_leakage_for_v_and_t_formula

Need to make some slight adjustments for the fixed point math to
work properly.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm: fix 64 bit drm fixed point helpers
Alex Deucher [Tue, 30 Jul 2013 20:43:55 +0000 (16:43 -0400)]
drm: fix 64 bit drm fixed point helpers

Sign bit wasn't handled properly and a small typo.

Thanks to Christian for helping me sort this out.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon/atom: initialize more atom interpretor elements to 0
Alex Deucher [Tue, 30 Jul 2013 04:22:53 +0000 (00:22 -0400)]
drm/radeon/atom: initialize more atom interpretor elements to 0

The ProcessAuxChannel table on some rv635 boards assumes
the divmul members are initialized to 0 otherwise we get
an invalid fb offset since it has a bad mask set when
setting the fb base.  While here initialize all the
atom interpretor elements to 0.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=60639

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
11 years agoxen/tmem: do not allow XEN_TMEM on ARM64
Stefano Stabellini [Tue, 23 Jul 2013 16:46:58 +0000 (17:46 +0100)]
xen/tmem: do not allow XEN_TMEM on ARM64

tmem is not supported on arm or arm64 yet. Will revert this
once the Xen hypervisor supports it.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
11 years agoMIPS: BMIPS: fix slave CPU booting when physical CPU is not 0
Florian Fainelli [Wed, 24 Jul 2013 16:12:11 +0000 (17:12 +0100)]
MIPS: BMIPS: fix slave CPU booting when physical CPU is not 0

The current BMIPS SMP code assumes that the slave CPU is physical and
logical CPU 1, but on some systems such as BCM3368, the slave CPU is
physical CPU0. Fix the code to read the physical CPU (thread ID) we are
running this code on, and adjust the relocation vector address based on
it. This allows bringing up the second CPU on BCM3368 for instance.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: cernekee@gmail.com
Cc: jogo@openwrt.org
Cc: blogic@openwrt.org
Patchwork: https://patchwork.linux-mips.org/patch/5621/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: BMIPS: do not change interrupt routing depending on boot CPU
Florian Fainelli [Wed, 24 Jul 2013 16:12:10 +0000 (17:12 +0100)]
MIPS: BMIPS: do not change interrupt routing depending on boot CPU

Commit 4df715aa ("MIPS: BMIPS: support booting from physical CPU other
than 0") changed the interupt routing when we are booting from physical
CPU 0, but the settings are actually correct if we are booting from
physical CPU 0 or CPU 1. Revert that specific change.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: cernekee@gmail.com
Cc: jogo@openwrt.org
Cc: blogic@openwrt.org
Patchwork: https://patchwork.linux-mips.org/patch/5622/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: powertv: Fix arguments for free_reserved_area()
Markos Chandras [Thu, 25 Jul 2013 15:11:28 +0000 (16:11 +0100)]
MIPS: powertv: Fix arguments for free_reserved_area()

Commit 6e7582bf35b8a5a330fd08b398ae445bac86917a
"MIPS: PowerTV: use free_reserved_area() to simplify code"

merged in 3.11-rc1, broke the build for the powertv defconfig with
the following build error:

arch/mips/powertv/asic/asic_devices.c: In function 'platform_release_memory':
arch/mips/powertv/asic/asic_devices.c:533:7: error: passing argument 1 of
'free_reserved_area' makes pointer from integer without a cast [-Werror]

The free_reserved_area() function expects a void * pointer for the start
address and a void * pointer for the end one.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5624/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: Set default CPU type for BCM47XX platforms
Markos Chandras [Tue, 23 Jul 2013 14:40:37 +0000 (15:40 +0100)]
MIPS: Set default CPU type for BCM47XX platforms

If neither BCM47XX_SSD nor BCM47XX_BCMA is selected, then no
CPU type is available leading to build problems. We fix
this problem by using MIPS32r1 as the default CPU type for
the BCM47XX platform.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5618/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: uapi/asm/siginfo.h: Fix GCC 4.1.2 compilation
Maciej W. Rozycki [Sun, 28 Jul 2013 20:20:25 +0000 (21:20 +0100)]
MIPS: uapi/asm/siginfo.h: Fix GCC 4.1.2 compilation

It wasn't until GCC 4.3 I believe that the __SIZEOF_*__ predefined macros
were added.  The change below switches <uapi/asm/siginfo.h> to the
_MIPS_SZLONG macro so that compilation with e.g. GCC 4.1.2 succeeds.
This is a user API header so I think this is even more important, for
older userland support.  The change adds an unsuccessful default too, to
catch any compiler configuration oddities.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5630/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: Fix multiple definitions of UNCAC_BASE.
Steven J. Hill [Wed, 3 Jul 2013 17:28:22 +0000 (17:28 +0000)]
MIPS: Fix multiple definitions of UNCAC_BASE.

Fix build error below:

arch/mips/include/asm/mach-generic/spaces.h:29:0: warning:
"UNCAC_BASE" redefined [enabled by default]
In file included from arch/mips/include/asm/addrspace.h:13:0,
                 from arch/mips/include/asm/barrier.h:11,
                 from arch/mips/include/asm/bitops.h:18,
                 from include/linux/bitops.h:22,
                 from include/linux/kernel.h:10,
                 from include/asm-generic/bug.h:13,
                 from arch/mips/include/asm/bug.h:41,
                 from include/linux/bug.h:4,
                 from include/linux/page-flags.h:9,
                 from kernel/bounds.c:9:
arch/mips/include/asm/mach-ar7/spaces.h:20:0: note: this is the
location of the previous definition

Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5583/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoxen/evtchn: avoid a deadlock when unbinding an event channel
David Vrabel [Fri, 19 Jul 2013 14:51:58 +0000 (15:51 +0100)]
xen/evtchn: avoid a deadlock when unbinding an event channel

Unbinding an event channel (either with the ioctl or when the evtchn
device is closed) may deadlock because disable_irq() is called with
port_user_lock held which is also locked by the interrupt handler.

Think of the IOCTL_EVTCHN_UNBIND is being serviced, the routine has
just taken the lock, and an interrupt happens. The evtchn_interrupt
is invoked, tries to take the lock and spins forever.

A quick glance at the code shows that the spinlock is a local IRQ
variant. Unfortunately that does not help as "disable_irq() waits for
the interrupt handler on all CPUs to stop running.  If the irq occurs
on another VCPU, it tries to take port_user_lock and can't because
the unbind ioctl is holding it." (from David). Hence we cannot
depend on the said spinlock to protect us. We could make it a system
wide IRQ disable spinlock but there is a better way.

We can piggyback on the fact that the existence of the spinlock is
to make get_port_user() checks be up-to-date. And we can alter those
checks to not depend on the spin lock (as it's protected by u->bind_mutex
in the ioctl) and can remove the unnecessary locking (this is
IOCTL_EVTCHN_UNBIND) path.

In the interrupt handler we cannot use the mutex, but we do not
need it.

"The unbind disables the irq before making the port user stale, so when
you clear it you are guaranteed that the interrupt handler that might
use that port cannot be running." (from David).

Hence this patch removes the spinlock usage on the teardown path
and piggybacks on disable_irq happening before we muck with the
get_port_user() data. This ensures that the interrupt handler will
never run on stale data.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
[v1: Expanded the commit description a bit]

11 years agonet_sched: Fix stack info leak in cbq_dump_wrr().
David S. Miller [Tue, 30 Jul 2013 07:16:21 +0000 (00:16 -0700)]
net_sched: Fix stack info leak in cbq_dump_wrr().

Make sure the reserved fields, and padding (if any), are
fully initialized.

Based upon a patch by Dan Carpenter and feedback from
Joe Perches.

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6
Dave Airlie [Tue, 30 Jul 2013 06:49:57 +0000 (16:49 +1000)]
Merge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6

nouveau fixes a number of regressions and a few user triggerable oops
since -rc1. Along with a few mpeg engine fixes.

* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau: fix semaphore dmabuf obj
  drm/nouveau/vm: make vm refcount into a kref
  drm/nv31/mpeg: don't recognize nv3x cards as having nv44 graph class
  drm/nv40/mpeg: write magic value to channel object to make it work
  drm/nouveau: fix size check for cards without vm
  drm/nv50-/disp: remove dcb_outp_match call, and related variables
  drm/nva3-/disp: fix hda eld writing, needs to be padded
  drm/nv31/mpeg: fix mpeg engine initialization
  drm/nv50/mc: include vp in the fb error reporting mask
  drm/nouveau: fix null pointer dereference in poll_changed
  drm/nv50/gpio: post-nv92 cards have 32 interrupt lines
  drm/nvc0/fb: take lock in nvc0_ram_put()
  drm/nouveau/core: xtensa firmware size needs to be 0x40000 no matter what

11 years agodrm/nouveau: fix semaphore dmabuf obj
Maarten Lankhorst [Tue, 23 Jul 2013 13:49:39 +0000 (15:49 +0200)]
drm/nouveau: fix semaphore dmabuf obj

Fixes some dmabuf object errors on nv50 chipset and below.

Cc: stable@vger.kernel.org [3.7+]
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nouveau/vm: make vm refcount into a kref
Ben Skeggs [Tue, 30 Jul 2013 01:47:47 +0000 (11:47 +1000)]
drm/nouveau/vm: make vm refcount into a kref

Never used to be required, but a recent change made it necessary.

Reported-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agoMerge branch 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...
Dave Airlie [Tue, 30 Jul 2013 04:04:44 +0000 (14:04 +1000)]
Merge branch 'exynos-drm-fixes' of git://git./linux/kernel/git/daeinki/drm-exynos

   This pull request fixes module build and g2d clock
   control issues, and includes related cleanup.

* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
  drm/exynos: Remove module.h header inclusion
  drm/exynos: consider common clock framework to g2d driver.
  drm/exynos: fix module build error
  drm/exynos: exynos_drm_ipp: fix return value check

11 years agodrm/nv31/mpeg: don't recognize nv3x cards as having nv44 graph class
Ilia Mirkin [Mon, 29 Jul 2013 23:05:18 +0000 (19:05 -0400)]
drm/nv31/mpeg: don't recognize nv3x cards as having nv44 graph class

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nv40/mpeg: write magic value to channel object to make it work
Ilia Mirkin [Mon, 29 Jul 2013 23:05:17 +0000 (19:05 -0400)]
drm/nv40/mpeg: write magic value to channel object to make it work

Looks like the rewrite in commit ebb945a94b ("drm/nouveau: port all
engines to new engine module format") missed that one little detail.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nouveau: fix size check for cards without vm
Maarten Lankhorst [Sat, 27 Jul 2013 08:17:12 +0000 (10:17 +0200)]
drm/nouveau: fix size check for cards without vm

Op 24-07-13 17:55, Dan Carpenter schreef:
> Hello Maarten Lankhorst,
>
> This is a semi-automatic email about new static checker warnings.
>
> The patch 0108bc808107: "drm/nouveau: do not allow negative sizes for
> now" from Jul 7, 2013, leads to the following Smatch complaint:
>
> drivers/gpu/drm/nouveau/nouveau_bo.c:222 nouveau_bo_new()
>   warn: variable dereferenced before check 'drm->client.base.vm' (see line 201)
>
> drivers/gpu/drm/nouveau/nouveau_bo.c
>    200 int type = ttm_bo_type_device;
>    201 int max_size = INT_MAX & ~((1 << drm->client.base.vm->vmm->lpg_shift) - 1);
>                                                  ^^^^^^^^^^^^^^^^^^^
> New dereference.
>
>    202
>    203 if (size <= 0 || size > max_size) {
>    204 nv_warn(drm, "skipped size %x\n", (u32)size);
>    205 return -EINVAL;
>    206 }
>    207
>    208 if (sg)
>    209 type = ttm_bo_type_sg;
>    210
>    211 nvbo = kzalloc(sizeof(struct nouveau_bo), GFP_KERNEL);
>    212 if (!nvbo)
>    213 return -ENOMEM;
>    214 INIT_LIST_HEAD(&nvbo->head);
>    215 INIT_LIST_HEAD(&nvbo->entry);
>    216 INIT_LIST_HEAD(&nvbo->vma_list);
>    217 nvbo->tile_mode = tile_mode;
>    218 nvbo->tile_flags = tile_flags;
>    219 nvbo->bo.bdev = &drm->ttm.bdev;
>    220
>    221 nvbo->page_shift = 12;
>    222 if (drm->client.base.vm) {
>                     ^^^^^^^^^^^^^^^^^^^
> Old check.
>
>    223 if (!(flags & TTM_PL_FLAG_TT) && size > 256 * 1024)
>    224 nvbo->page_shift = drm->client.base.vm->vmm->lpg_shift;
>
> regards,
> dan carpenter

8<-----
Commit 0108bc808107: "drm/nouveau: do not allow negative sizes for now" broke
older nvidia gpu's that lack a vm. Add an explicit check to handle this.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: konrad wilk <konrad.wilk@oracle.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nv50-/disp: remove dcb_outp_match call, and related variables
Emil Velikov [Sun, 28 Jul 2013 20:00:23 +0000 (21:00 +0100)]
drm/nv50-/disp: remove dcb_outp_match call, and related variables

Unused and irrelavant since the code move of DP training/linkcontrol interrupt

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nva3-/disp: fix hda eld writing, needs to be padded
Ilia Mirkin [Mon, 29 Jul 2013 02:30:57 +0000 (22:30 -0400)]
drm/nva3-/disp: fix hda eld writing, needs to be padded

Commits 0a9e2b959 (drm/nvd0/disp: move HDA codec setup to core) and
a4feaf4ea (drm/nva3/disp: move hda codec handling to core) moved code
around but neglected to fill data up to 0x60 as before. This caused
/proc/asound/cardN/eld#3.0 to show eld_valid as 0. With this patch, that
file is again populated with the correct data.

See https://bugs.freedesktop.org/show_bug.cgi?id=67051

Reported-and-tested-by: Alex <alupu01@gmail.com>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nv31/mpeg: fix mpeg engine initialization
Ilia Mirkin [Sat, 27 Jul 2013 04:27:01 +0000 (00:27 -0400)]
drm/nv31/mpeg: fix mpeg engine initialization

object->engine is null, which leads to a null deref down the line

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nv50/mc: include vp in the fb error reporting mask
Ilia Mirkin [Sat, 27 Jul 2013 04:26:59 +0000 (00:26 -0400)]
drm/nv50/mc: include vp in the fb error reporting mask

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nouveau: fix null pointer dereference in poll_changed
Maarten Lankhorst [Tue, 23 Jul 2013 13:45:11 +0000 (15:45 +0200)]
drm/nouveau: fix null pointer dereference in poll_changed

Fixes vgaswitcheroo on a card without display.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nv50/gpio: post-nv92 cards have 32 interrupt lines
Emil Velikov [Thu, 11 Jul 2013 16:28:03 +0000 (17:28 +0100)]
drm/nv50/gpio: post-nv92 cards have 32 interrupt lines

Since the original merge of nouveau to upstream kernel, we were assuming
that nv90 (and later) cards have 32 lines.

Based on mmio traces of the binary driver, as well as PBUS error messages
during read/write of the e070/e074 registers, we can conclude that nv92
has only 16 lines whereas nv94 (and later) cards have 32.

Reported-and-tested-by: David M. Lloyd <david.lloyd@redhat.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nvc0/fb: take lock in nvc0_ram_put()
Roy Spliet [Fri, 19 Jul 2013 21:59:12 +0000 (23:59 +0200)]
drm/nvc0/fb: take lock in nvc0_ram_put()

Kernel panic caused by list corruption in ltcg seems to indicate a
concurrency issue.

Take mutex of pfb like nv50_ram_put() to eliminate concurrency.

V2: Separate critical section into separate function, avoid taking the
    lock twice on NVC0

Signed-off-by: Roy Spliet <r.spliet@student.tudelft.nl>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agodrm/nouveau/core: xtensa firmware size needs to be 0x40000 no matter what
Ilia Mirkin [Fri, 19 Jul 2013 10:27:45 +0000 (06:27 -0400)]
drm/nouveau/core: xtensa firmware size needs to be 0x40000 no matter what

The current logic is wrong since we send fw->size >> 8 to the
card. Rounding the size up by 0x100 and 0x1000 didn't seem to help,
the card still hung, so go back to what the blob does -- 0x40000.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
11 years agoMerge tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...
Linus Torvalds [Tue, 30 Jul 2013 00:08:22 +0000 (17:08 -0700)]
Merge tag 'firewire-fix' of git://git./linux/kernel/git/ieee1394/linux1394

Pull firewire regression fix from Stefan Richter:
 "This fixes corrupted video capture, seen with IIDC/DCAM video and
  certain buffer settings.  (Regression since v3.4 inclusive.)"

* tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: fix libdc1394/FlyCap2 iso event regression

11 years agoMerge tag 'arc-v3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Linus Torvalds [Tue, 30 Jul 2013 00:07:45 +0000 (17:07 -0700)]
Merge tag 'arc-v3.11-fixes' of git://git./linux/kernel/git/vgupta/arc

Pull ARC fix from Vineet Gupta:
 "SMP build breakage fix"

* tag 'arc-v3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: SMP build breakage

11 years agodrm/mgag200: Fix LUT programming for 16bpp
Egbert Eich [Wed, 17 Jul 2013 13:07:27 +0000 (15:07 +0200)]
drm/mgag200: Fix LUT programming for 16bpp

Since there are only 32 (64) distinct color values for each color
in 16bpp Matrox hardware expects those in a 'dense' manner, ie in
the first 32 (64) entries of the respective color.

Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agodrm/mgag200: Fix framebuffer pitch calculation
Takashi Iwai [Wed, 17 Jul 2013 13:07:26 +0000 (15:07 +0200)]
drm/mgag200: Fix framebuffer pitch calculation

The framebuffer pitch calculation needs to be done differently for bpp == 24
- check xf86-video-mga for reference.

Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agodrm/mgag200: Add sysfs support for connectors
Egbert Eich [Wed, 17 Jul 2013 13:07:25 +0000 (15:07 +0200)]
drm/mgag200: Add sysfs support for connectors

Signed-off-by: Egbert Eich <eich@suse.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agodrm/mgag200: Add an crtc_disable callback to the crtc helper funcs
Egbert Eich [Wed, 17 Jul 2013 13:07:22 +0000 (15:07 +0200)]
drm/mgag200: Add an crtc_disable callback to the crtc helper funcs

Signed-off-by: Egbert Eich <eich@suse.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agodrm/mgag200: Fix logic in mgag200_bo_pin() (v2)
Egbert Eich [Tue, 23 Jul 2013 06:44:34 +0000 (08:44 +0200)]
drm/mgag200: Fix logic in mgag200_bo_pin() (v2)

Add missing 'return 0;'.

v2: Simplified patch as suggested by Dave Airlie <airlied@redhat.com>

Signed-off-by: Egbert Eich <eich@suse.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agoMerge branch 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux
Dave Airlie [Mon, 29 Jul 2013 23:43:28 +0000 (09:43 +1000)]
Merge branch 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux

Alex writes:
A few more radeon bug fixes, mostly for SI dpm.  At this point dpm is
pretty solid across the majority of asics.  I think we mostly just have
corner cases and fixing up some of the trickier features at this point.

* 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon/dpm: fix and enable reclocking on SI
  drm/radeon/dpm: disable cac setup on SI
  drm/radeon/si: disable cgcg and pg for now
  drm/radeon/dpm: fix forcing performance state to low on cayman
  drm/radeon/atom: fix fb when fetching engine params
  drm/radeon: properly handle cg on asics without UVD
  drm/radeon/dpm: fix powertune handling for pci id 0x6835
  drm/radeon/dpm: fix si_calculate_memory_refresh_rate()
  drm/radeon/dpm: fix display gap programming on SI
  drm/radeon: fix audio dto programming on DCE4+

11 years agodrm/radeon/dpm: fix and enable reclocking on SI
Alex Deucher [Sat, 27 Jul 2013 21:50:26 +0000 (17:50 -0400)]
drm/radeon/dpm: fix and enable reclocking on SI

The SMC interface changed compared to Cayman and
previous asics.  Set the enabled levels properly
and enable reclocking by default when dpm is enabled.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon/dpm: disable cac setup on SI
Alex Deucher [Sun, 28 Jul 2013 22:26:38 +0000 (18:26 -0400)]
drm/radeon/dpm: disable cac setup on SI

Disable cac setup on SI for now since it causes
strange performance level restrictions on certain
cards.  I suspect there may be issues with some of
the 64 bit fixed point double emulation that is used
to set up those parameters.  I need to double check
the math before this can be re-enabled.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon/si: disable cgcg and pg for now
Alex Deucher [Mon, 29 Jul 2013 15:51:25 +0000 (11:51 -0400)]
drm/radeon/si: disable cgcg and pg for now

Coarse grain clockgating causes problems with reclocking on
some cards and powergating (verde only) causes problems with
ring initialization.  The proper fix (restructuring the init
sequences) is too invasive for 3.11 so just disable them for
now.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon/dpm: fix forcing performance state to low on cayman
Alex Deucher [Mon, 29 Jul 2013 14:45:27 +0000 (10:45 -0400)]
drm/radeon/dpm: fix forcing performance state to low on cayman

Need to program EnabledLevels to 1 to force the low state.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon/atom: fix fb when fetching engine params
Alex Deucher [Sun, 28 Jul 2013 16:33:56 +0000 (12:33 -0400)]
drm/radeon/atom: fix fb when fetching engine params

For correctness.  The fb divider isn't actually used
in any of the relevant dpm code.  It's calculated
from the other parameters.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon: properly handle cg on asics without UVD
Alex Deucher [Sat, 27 Jul 2013 21:53:25 +0000 (17:53 -0400)]
drm/radeon: properly handle cg on asics without UVD

Don't try and enable clockgating if the asic doesn't have
UVD.  Use rdev->has_uvd rather than using local checks.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon/dpm: fix powertune handling for pci id 0x6835
Alex Deucher [Fri, 26 Jul 2013 22:21:02 +0000 (18:21 -0400)]
drm/radeon/dpm: fix powertune handling for pci id 0x6835

0x6835 should be treated as a cape verde pro.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon/dpm: fix si_calculate_memory_refresh_rate()
Alex Deucher [Fri, 26 Jul 2013 22:18:32 +0000 (18:18 -0400)]
drm/radeon/dpm: fix si_calculate_memory_refresh_rate()

Update alogorithm as per internal advice.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon/dpm: fix display gap programming on SI
Alex Deucher [Fri, 26 Jul 2013 22:05:07 +0000 (18:05 -0400)]
drm/radeon/dpm: fix display gap programming on SI

Need to set the DISP*_GAP fields as well as the
DISP*_GAP_MCHG fields.  Same as on previous asics.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
11 years agodrm/radeon: fix audio dto programming on DCE4+
Alex Deucher [Fri, 26 Jul 2013 17:26:05 +0000 (13:26 -0400)]
drm/radeon: fix audio dto programming on DCE4+

We need to set the dto source before setting the
dividers otherwise we may get stability problems
with the dto leading to audio playback problems.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
11 years agoUSB: serial: ftdi_sio: add more RT Systems ftdi devices
Rick Farina (Zero_Chaos) [Mon, 29 Jul 2013 19:17:59 +0000 (15:17 -0400)]
USB: serial: ftdi_sio: add more RT Systems ftdi devices

RT Systems makes many usb serial cables based on the ftdi_sio driver for
programming various amateur radios.  This patch is a full listing of
their current product offerings and should allow these cables to all
be recognized.

Signed-off-by: Rick Farina (Zero_Chaos) <zerochaos@gentoo.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agousb: chipidea: fix the build error with randconfig
Peter Chen [Mon, 29 Jul 2013 10:09:57 +0000 (13:09 +0300)]
usb: chipidea: fix the build error with randconfig

Using below  configs, the compile will have error:
ERROR: "ehci_init_driver" undefined!

.config:
CONFIG_USB_CHIPIDEA=m
CONFIG_USB_CHIPIDEA_HOST=y
CONFIG_USB_CHIPIDEA_DEBUG=y

The reason is chipidea host uses symbol from ehci, but ehci
is not compiled. Let the chipidea host depend on
ehci even it is built as module.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agousb: chipidea: cast PORTSC_PTS and DEVLC_PTS macros
Fabio Estevam [Mon, 29 Jul 2013 10:09:56 +0000 (13:09 +0300)]
usb: chipidea: cast PORTSC_PTS and DEVLC_PTS macros

Fix the following build warnings on x86:

drivers/usb/chipidea/core.c: In function 'hw_phymode_configure':
drivers/usb/chipidea/core.c:226:3: warning: large integer implicitly truncated to unsigned type [-Woverflow]
drivers/usb/chipidea/core.c:230:3: warning: large integer implicitly truncated to unsigned type [-Woverflow]
drivers/usb/chipidea/core.c:243:3: warning: large integer implicitly truncated to unsigned type [-Woverflow]
drivers/usb/chipidea/core.c:246:3: warning: large integer implicitly truncated to unsigned type [-Woverflow]

Reported-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agodrm/exynos: Remove module.h header inclusion
Sachin Kamat [Fri, 26 Jul 2013 07:59:19 +0000 (13:29 +0530)]
drm/exynos: Remove module.h header inclusion

Remove module.h header file inclusion from files since they do
not use/refer to any code from that file.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agodrm/exynos: consider common clock framework to g2d driver.
Inki Dae [Wed, 24 Jul 2013 04:40:12 +0000 (13:40 +0900)]
drm/exynos: consider common clock framework to g2d driver.

This patch just changes clk_enable/disable to
clk_prepare_enable/clk_disable_unprepare, and
adds related exception codes.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
11 years agodrm/exynos: fix module build error
Inki Dae [Mon, 22 Jul 2013 11:51:42 +0000 (20:51 +0900)]
drm/exynos: fix module build error

This patch removes all MODULE_DEVICE_TABLE declarations.

Exynos drm drivers don't need to create MODULE_DEVICE_TABLE
yet because all devices of Exynos drm include in one SoC so
they cannot be plugged in as of now.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
11 years agodrm/exynos: exynos_drm_ipp: fix return value check
Wei Yongjun [Thu, 4 Jul 2013 13:35:00 +0000 (21:35 +0800)]
drm/exynos: exynos_drm_ipp: fix return value check

In case of error, the function ipp_find_obj() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agoMerge tag 'fixes-for-v3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git...
Greg Kroah-Hartman [Mon, 29 Jul 2013 14:44:52 +0000 (07:44 -0700)]
Merge tag 'fixes-for-v3.11-rc3' of git://git./linux/kernel/git/balbi/usb into usb-linus

Felipe writes:

usb: fixes for v3.11-rc3

Here are some fixes for v3.11-rc3. Mostly related to
the recent conversion to configfs done on the gadget
drivers, but we also have a fix for MUSB resources
on platforms which need 3 resources instead of 2, and
a fix for the sysfs_notify() call on udc-core.c which
was notifying an unexistent file.

11 years agoxen/arm: enable PV control for ARM
Julien Grall [Tue, 23 Jul 2013 15:21:28 +0000 (16:21 +0100)]
xen/arm: enable PV control for ARM

Enable lifecyle management (reboot, shutdown...) from the toolstack
for ARM guests.

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
11 years agoxen/arm64: Don't compile cpu hotplug
Julien Grall [Mon, 22 Jul 2013 21:40:58 +0000 (22:40 +0100)]
xen/arm64: Don't compile cpu hotplug

On ARM64, when CONFIG_XEN=y, the compilation will fail because CPU hotplug is
not yet supported with XEN. For now, disable it.

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>