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Arnd Bergmann
19d795b677 kernel/padata.c: hide unused functions 
A recent cleanup removed some exported functions that were not used
anywhere, which in turn exposed the fact that some other functions in
the same file are only used in some configurations.

We now get a warning about them when CONFIG_HOTPLUG_CPU is disabled:

  kernel/padata.c:670:12: error: '__padata_remove_cpu' defined but not used [-Werror=unused-function]
   static int __padata_remove_cpu(struct padata_instance *pinst, int cpu)
              ^~~~~~~~~~~~~~~~~~~
  kernel/padata.c:650:12: error: '__padata_add_cpu' defined but not used [-Werror=unused-function]
   static int __padata_add_cpu(struct padata_instance *pinst, int cpu)

This rearranges the code so the __padata_remove_cpu/__padata_add_cpu
functions are within the #ifdef that protects the code that calls them.

[akpm@linux-foundation.org: coding-style fixes]
Fixes: 4ba6d78c671e ("kernel/padata.c: removed unused code")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Richard Cochran <rcochran@linutronix.de>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Richard Cochran
815613da6a kernel/padata.c: removed unused code 
By accident I stumbled across code that has never been used.  This
driver has EXPORT_SYMBOL functions, and the only user of the code is
pcrypt.c, but this only uses a subset of the exported symbols.

According to 'git log -G', the functions, padata_set_cpumasks,
padata_add_cpu, and padata_remove_cpu have never been used since they
were first introduced.  This patch removes the unused code.

On one 64 bit build, with CRYPTO_PCRYPT built in, the text is more than
4k smaller.

  kbuild_hp> size $KBUILD_OUTPUT/vmlinux
      text    data     bss      dec hex    filename
  10566658 4678360 1122304 16367322 f9beda vmlinux
  10561984 4678360 1122304 16362648 f9ac98 vmlinux

On another config, 32 bit, the saving is about 0.5k bytes.

  kbuild_hp-x86> size $KBUILD_OUTPUT/vmlinux
  6012005 2409513 2785280 11206798 ab008e vmlinux
  6011491 2409513 2785280 11206284 aafe8c vmlinux

Signed-off-by: Richard Cochran <rcochran@linutronix.de>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Guozhonghua
8f9b1802c2 ocfs2: clean up an unneeded goto in ocfs2_put_slot() 
The goto is not useful in ocfs2_put_slot(), so delete it.

Signed-off-by: Guozhonghua <guozhonghua@h3c.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <joseph.qi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Jun Piao
aa6913dbd2 ocfs2: clean up unused parameter 'count' in o2hb_read_block_input() 
Clean up unused parameter 'count' in o2hb_read_block_input().

Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
piaojun
c14688ea24 ocfs2: clean up an unused variable 'wants_rotate' in ocfs2_truncate_rec 
Clean up an unused variable 'wants_rotate' in ocfs2_truncate_rec.

Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Guozhonghua
8ba442214c ocfs2: fix comment in struct ocfs2_extended_slot 
The comment in ocfs2_extended_slot has the offset wrong.

Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <joseph.qi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Du, Changbin
b9fdac7f66 debugobjects: insulate non-fixup logic related to static obj from fixup callbacks 
When activating a static object we need make sure that the object is
tracked in the object tracker.  If it is a non-static object then the
activation is illegal.

In previous implementation, each subsystem need take care of this in
their fixup callbacks.  Actually we can put it into debugobjects core.
Thus we can save duplicated code, and have *pure* fixup callbacks.

To achieve this, a new callback "is_static_object" is introduced to let
the type specific code decide whether a object is static or not.  If
yes, we take it into object tracker, otherwise give warning and invoke
fixup callback.

This change has paassed debugobjects selftest, and I also do some test
with all debugobjects supports enabled.

At last, I have a concern about the fixups that can it change the object
which is in incorrect state on fixup? Because the 'addr' may not point
to any valid object if a non-static object is not tracked.  Then Change
such object can overwrite someone's memory and cause unexpected
behaviour.  For example, the timer_fixup_activate bind timer to function
stub_timer.

Link: http://lkml.kernel.org/r/1462576157-14539-1-git-send-email-changbin.du@intel.com
[changbin.du@intel.com: improve code comments where invoke the new is_static_object callback]
  Link: http://lkml.kernel.org/r/1462777431-8171-1-git-send-email-changbin.du@intel.com
Signed-off-by: Du, Changbin <changbin.du@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Du, Changbin
8bad1cd0e1 Documentation: update debugobjects doc 
Update documentation creangponding to change(debugobjects: make fixup
functions return bool instead of int).

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Du, Changbin
d99b1d8912 percpu_counter: update debugobjects fixup callbacks return type 
Update the return type to use bool instead of int, corresponding to
cheange (debugobjects: make fixup functions return bool instead of int).

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Du, Changbin
3263d28eb5 rcu: update debugobjects fixup callbacks return type 
Update the return type to use bool instead of int, corresponding to
cheange (debugobjects: make fixup functions return bool instead of int).

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Du, Changbin
e3252464da timer: update debugobjects fixup callbacks return type 
Update the return type to use bool instead of int, corresponding to
cheange (debugobjects: make fixup functions return bool instead of int).

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Du, Changbin
02a982a6ec workqueue: update debugobjects fixup callbacks return type 
Update the return type to use bool instead of int, corresponding to
change (debugobjects: make fixup functions return bool instead of int)

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Du, Changbin
e7a8e78bd4 debugobjects: correct the usage of fixup call results 
If debug_object_fixup() return non-zero when problem has been fixed.
But the code got it backwards, it taks 0 as fixup successfully.  So fix
it.

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Du, Changbin
b1e4d9d82d debugobjects: make fixup functions return bool instead of int 
I am going to introduce debugobjects infrastructure to USB subsystem.
But before this, I found the code of debugobjects could be improved.
This patchset will make fixup functions return bool type instead of int.
Because fixup only need report success or no.  boolean is the 'real'
type.

This patch (of 7):

The object debugging infrastructure core provides some fixup callbacks
for the subsystem who use it.  These callbacks are called from the debug
code whenever a problem in debug_object_init is detected.  And
debugobjects core suppose them returns 1 when the fixup was successful,
otherwise 0.  So the return type is boolean.

A bad thing is that debug_object_fixup use the return value for
arithmetic operation.  It confused me that what is the reall return
type.

Reading over the whole code, I found some place do use the return value
incorrectly(see next patch).  So why use bool type instead?

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Vineet Gupta
b21e91c305 scripts/bloat-o-meter: print percent change 
This adds an additional line of output (to reduce the chances of
breaking any existing output parsers) which prints the total size before
and after and the relative difference.

  add/remove: 39/0 grow/shrink: 12408/55 up/down: 362227/-1430 (360797)
  function                                     old     new   delta
  ext4_fill_super                            10556   12590   +2034
  _fpadd_parts                                   -    1186   +1186
  ntfs_fill_super                             5340    6164    +824
  ...
  ...
  __divdf3                                     752     386    -366
  unlzma                                      3682    3274    -408
  Total: Before=5023101, After=5383898, chg 7.000000%
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Link: http://lkml.kernel.org/r/1463124110-30314-1-git-send-email-vgupta@synopsys.com
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Kees Cook
bad7de742d scripts/spelling.txt: add "fimware" misspelling 
A few instances of "fimware" instead of "firmware" were found.  Fix
these and add it to the spelling.txt file.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Konstantin Khlebnikov
310c6dd06a scripts/decode_stacktrace.sh: handle symbols in modules 
scripts/decode_stacktrace.sh presently displays module symbols as

	func+0x0ff/0x5153 [module]

Add a third argument: the pathname of a directory where the script
should look for the file module.ko so that the output appears as

	func (foo/bar.c:123) module

Without the argument or if the module file isn't found the script prints
such symbols as is without decoding.

Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Deepa Dinamani
8e4f70e218 time: remove timespec_add_safe() 
All references to timespec_add_safe() now use timespec64_add_safe().

The plan is to replace struct timespec references with struct timespec64
throughout the kernel as timespec is not y2038 safe.

Drop timespec_add_safe() and use timespec64_add_safe() for all
architectures.

Link: http://lkml.kernel.org/r/1461947989-21926-4-git-send-email-deepa.kernel@gmail.com
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Deepa Dinamani
766b9f928b fs: poll/select/recvmmsg: use timespec64 for timeout events 
struct timespec is not y2038 safe.  Even though timespec might be
sufficient to represent timeouts, use struct timespec64 here as the plan
is to get rid of all timespec reference in the kernel.

The patch transitions the common functions: poll_select_set_timeout()
and select_estimate_accuracy() to use timespec64.  And, all the syscalls
that use these functions are transitioned in the same patch.

The restart block parameters for poll uses monotonic time.  Use
timespec64 here as well to assign timeout value.  This parameter in the
restart block need not change because this only holds the monotonic
timestamp at which timeout should occur.  And, unsigned long data type
should be big enough for this timestamp.

The system call interfaces will be handled in a separate series.

Compat interfaces need not change as timespec64 is an alias to struct
timespec on a 64 bit system.

Link: http://lkml.kernel.org/r/1461947989-21926-3-git-send-email-deepa.kernel@gmail.com
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Deepa Dinamani
bc2c53e5f1 time: add missing implementation for timespec64_add_safe() 
timespec64_add_safe() has been defined in time64.h for 64 bit systems.
But, 32 bit systems only have an extern function prototype defined.
Provide a definition for the above function.

The function will be necessary as part of y2038 changes.  struct
timespec is not y2038 safe.  All references to timespec will be replaced
by struct timespec64.  The function is meant to be a replacement for
timespec_add_safe().

The implementation is similar to timespec_add_safe().

Link: http://lkml.kernel.org/r/1461947989-21926-2-git-send-email-deepa.kernel@gmail.com
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Jan Kara
35e481761c fsnotify: avoid spurious EMFILE errors from inotify_init() 
Inotify instance is destroyed when all references to it are dropped.
That not only means that the corresponding file descriptor needs to be
closed but also that all corresponding instance marks are freed (as each
mark holds a reference to the inotify instance).  However marks are
freed only after SRCU period ends which can take some time and thus if
user rapidly creates and frees inotify instances, number of existing
inotify instances can exceed max_user_instances limit although from user
point of view there is always at most one existing instance.  Thus
inotify_init() returns EMFILE error which is hard to justify from user
point of view.  This problem is exposed by LTP inotify06 testcase on
some machines.

We fix the problem by making sure all group marks are properly freed
while destroying inotify instance.  We wait for SRCU period to end in
that path anyway since we have to make sure there is no event being
added to the instance while we are tearing down the instance.  So it
takes only some plumbing to allow for marks to be destroyed in that path
as well and not from a dedicated work item.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Jan Kara <jack@suse.cz>
Reported-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Tested-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Linus Torvalds
2600a46ee0 This includes two new updates for the ftrace infrastructure. 
1) With the changing of the code for filtering events by pid, from
   a list of pids to a bitmask, we can now easily implement following
   forks. With a new tracing option "event-fork" which, when set, will
   have tasks with pids in set_event_pid, when they fork, to have their
   child pids added to set_event_pid and the child will be traced as well.
 
   Note, if "event-fork" is set and a task with its pid in set_event_pid
   exits, its pid will be removed from set_event_pid
 
 2) The addition of Tom Zanussi's hist triggers. This includes a very
    thorough documentatino on how to use the hist triggers with events.
    This introduces a quick and easy way to get histogram data from
    events and their fields.
 
 Some other cleanups and updates were added as well. Like Masami Hiramatsu
 added test cases for the event trigger and hist triggers. Also I added
 a speed up of filtering by using a temp buffer when filters are set.
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Merge tag 'trace-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "This includes two new updates for the ftrace infrastructure.

   - With the changing of the code for filtering events by pid, from a
     list of pids to a bitmask, we can now easily implement following
     forks.  With a new tracing option "event-fork" which, when set,
     will have tasks with pids in set_event_pid, when they fork, to have
     their child pids added to set_event_pid and the child will be
     traced as well.

     Note, if "event-fork" is set and a task with its pid in
     set_event_pid exits, its pid will be removed from set_event_pid

   - The addition of Tom Zanussi's hist triggers.  This includes a very
     thorough documentatino on how to use the hist triggers with events.
     This introduces a quick and easy way to get histogram data from
     events and their fields.

  Some other cleanups and updates were added as well.  Like Masami
  Hiramatsu added test cases for the event trigger and hist triggers.
  Also I added a speed up of filtering by using a temp buffer when
  filters are set"

* tag 'trace-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (45 commits)
  tracing: Use temp buffer when filtering events
  tracing: Remove TRACE_EVENT_FL_USE_CALL_FILTER logic
  tracing: Remove unused function trace_current_buffer_lock_reserve()
  tracing: Remove one use of trace_current_buffer_lock_reserve()
  tracing: Have trace_buffer_unlock_commit() call the _regs version with NULL
  tracing: Remove unused function trace_current_buffer_discard_commit()
  tracing: Move trace_buffer_unlock_commit{_regs}() to local header
  tracing: Fold filter_check_discard() into its only user
  tracing: Make filter_check_discard() local
  tracing: Move event_trigger_unlock_commit{_regs}() to local header
  tracing: Don't use the address of the buffer array name in copy_from_user
  tracing: Handle tracing_map_alloc_elts() error path correctly
  tracing: Add check for NULL event field when creating hist field
  tracing: checking for NULL instead of IS_ERR()
  tracing: Do not inherit event-fork option for instances
  tracing: Fix unsigned comparison to zero in hist trigger code
  kselftests/ftrace: Add a test for log2 modifier of hist trigger
  tracing: Add hist trigger 'log2' modifier
  kselftests/ftrace: Add hist trigger testcases
  kselftests/ftrace : Add event trigger testcases
  ...
 2016-05-18 18:55:19 -07:00
Linus Torvalds
03e1aa1cbb Merge branch 'stable-4.7' of git://git.infradead.org/users/pcmoore/audit 
Pull audit updates from Paul Moore:
 "Four small audit patches for 4.7.

  Two are simple cleanups around the audit thread management code, one
  adds a tty field to AUDIT_LOGIN events, and the final patch makes
  tty_name() usable regardless of CONFIG_TTY.

  Nothing controversial, and it all passes our regression test"

* 'stable-4.7' of git://git.infradead.org/users/pcmoore/audit:
  tty: provide tty_name() even without CONFIG_TTY
  audit: add tty field to LOGIN event
  audit: we don't need to __set_current_state(TASK_RUNNING)
  audit: cleanup prune_tree_thread
 2016-05-18 18:46:55 -07:00
Linus Torvalds
97f00905ec remoteproc updates for v4.7 
Introduces a synchronization point between the async firmware loading
 and clients requesting the remote processor to boot, as well as support
 for remote processors that are not interested in the resource table
 information.
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Merge tag 'rproc-v4.7' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "Introduce a synchronization point between the async firmware loading
  and clients requesting the remote processor to boot, as well as
  support for remote processors that are not interested in the resource
  table information"

* tag 'rproc-v4.7' of git://github.com/andersson/remoteproc:
  remoteproc: Add additional crash reasons
  remoteproc: core: Make the loaded resource table optional
  remoteproc: core: Task sync during rproc_fw_boot()
 2016-05-18 17:22:19 -07:00
Linus Torvalds
676d9735cd rpmsg updates for v4.7 
Refactor rpmsg module registration to follow other subsystems; by
 introduction of module_rpmsg_driver and hiding of THIS_MODULE from
 clients.
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Merge tag 'rpmsg-v4.7' of git://github.com/andersson/remoteproc

Pull rpmsg updates from Bjorn Andersson:
 "Refactor rpmsg module registration to follow other subsystems; by
  introduction of module_rpmsg_driver and hiding of THIS_MODULE from
  clients"

* tag 'rpmsg-v4.7' of git://github.com/andersson/remoteproc:
  rpmsg: use module_rpmsg_driver in existing drivers and examples
  rpmsg: add helper macro module_rpmsg_driver
  rpmsg: drop owner assignment from rpmsg_drivers
  rpmsg: add THIS_MODULE to rpmsg_driver in rpmsg core
 2016-05-18 17:17:20 -07:00
Linus Torvalds
888dae5361 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 
Pull input updates from Dmitry Torokhov:
 "First round of updates for the input subsystem.  No new drivers here,
  just some driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: rotary-encoder - fix bare use of 'unsigned'
  Input: cm109 - spin_lock in complete() cleanup
  Input: cm109 - fix handling of volume and mute buttons
  Input: byd - don't wipe dynamically allocated memory twice
  Input: twl4030 - fix unsafe macro definition
  Input: twl6040-vibra - remove mutex
  Input: bcm_iproc_tsc - DT spelling s/clock-name/clock-names/
  Input: bcm_iproc_tsc - use syscon to access shared registers
  Input: ti_am335x_tsc - use SIMPLE_DEV_PM_OPS
  Input: omap-keypad - remove set_col_gpio_val() and get_row_gpio_val()
  Input: omap-keypad - drop empty PM stubs
  Input: omap-keypad - remove adjusting of scan delay
  Input: gpio-keys - clean up device tree binding example
  Input: kbtab - stop saving struct usb_device
  Input: gtco - stop saving struct usb_device
  Input: aiptek - stop saving struct usb_device
  Input: acecad - stop saving struct usb_device
 2016-05-18 17:12:23 -07:00
Linus Torvalds
19c5abcb74 media updates for v4.7-rc1 
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Merge tag 'media/v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:
 - added support for Intersil/Techwell TW686x-based video capture cards
 - v4l PCI skeleton driver moved to samples directory
 - Documentation cleanups and improvements
 - RC: reduced the memory footprint for IR raw events
 - tpg: Export the tpg code from vivid as a module
 - adv7180: Add device tree binding documentation
 - lots of driver improvements and fixes

* tag 'media/v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (173 commits)
  [media] exynos-gsc: avoid build warning without CONFIG_OF
  [media] samples: v4l: from Documentation to samples directory
  [media] dib0700: add USB ID for another STK8096-PVR ref design based card
  [media] tvp5150: propagate I2C write error in .s_register callback
  [media] tvp5150: return I2C write operation failure to callers
  [media] em28xx: add support for Hauppauge WinTV-dualHD DVB tuner
  [media] em28xx: add missing USB IDs
  [media] update cx23885 and em28xx cardlists
  [media] media: au0828 fix au0828_v4l2_device_register() to not unlock and free
  [media] c8sectpfe: Rework firmware loading mechanism
  [media] c8sectpfe: Demote print to dev_dbg
  [media] c8sectpfe: Fix broken circular buffer wp management
  [media] media-device: Simplify compat32 logic
  [media] media: i2c: ths7303: remove redundant assignment on bt
  [media] dvb-usb: hide unused functions
  [media] xilinx-vipp: remove unnecessary of_node_put
  [media] drivers/media/media-devnode: clear private_data before put_device()
  [media] drivers/media/media-device: move debug log before _devnode_unregister()
  [media] drivers/media/rc: postpone kfree(rc_dev)
  [media] media/dvb-core: forward media_create_pad_links() return value
  ...
 2016-05-18 17:03:51 -07:00
Linus Torvalds
675e0655c1 SCSI misc on 20160517 
This patch includes the usual quota of driver updates (bnx2fc, mp3sas,
 hpsa, ncr5380, lpfc, hisi_sas, snic, aacraid, megaraid_sas) there's
 also a multiqueue update for scsi_debug, assorted bug fixes and a few
 other minor updates (refactor of scsi_sg_pools into generic code, alua
 and VPD updates, and struct timeval conversions).
 
 Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "First round of SCSI updates for the 4.6+ merge window.

  This batch includes the usual quota of driver updates (bnx2fc, mp3sas,
  hpsa, ncr5380, lpfc, hisi_sas, snic, aacraid, megaraid_sas).  There's
  also a multiqueue update for scsi_debug, assorted bug fixes and a few
  other minor updates (refactor of scsi_sg_pools into generic code, alua
  and VPD updates, and struct timeval conversions)"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (138 commits)
  mpt3sas: Used "synchronize_irq()"API to synchronize timed-out IO & TMs
  mpt3sas: Set maximum transfer length per IO to 4MB for VDs
  mpt3sas: Updating mpt3sas driver version to 13.100.00.00
  mpt3sas: Fix initial Reference tag field for 4K PI drives.
  mpt3sas: Handle active cable exception event
  mpt3sas: Update MPI header to 2.00.42
  Revert "lpfc: Delete unnecessary checks before the function call mempool_destroy"
  eata_pio: missing break statement
  hpsa: Fix type ZBC conditional checks
  scsi_lib: Decode T10 vendor IDs
  scsi_dh_alua: do not fail for unknown VPD identification
  scsi_debug: use locally assigned naa
  scsi_debug: uuid for lu name
  scsi_debug: vpd and mode page work
  scsi_debug: add multiple queue support
  bfa: fix bfa_fcb_itnim_alloc() error handling
  megaraid_sas: Downgrade two success messages to info
  cxlflash: Fix to resolve dead-lock during EEH recovery
  scsi_debug: rework resp_report_luns
  scsi_debug: use pdt constants
  ...
 2016-05-18 16:38:59 -07:00
Linus Torvalds
d974f09ea4 Merge branch 'stable/for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft 
Pull iscsi_ibft updates from Konrad Rzeszutek Wilk:
 "The pull has two features - both of them expand the SysFS entries:

   - 'prefix-len' - which is subnet_mask_prefix of the iBFT header.

   - 'acpi_header' dir with: 'iBFT', OEM-ID (whatever it extracts from
     the iBFT header) and OEM_TABLE_ID (also whatever it extracts from
     the iBFT header).  This is to help NIC drivers to figure out during
     bootup how to deal with BIOS created iBFT tables (like by TianoCore
     UEFI implemenation)"

* 'stable/for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
  ibft: Expose iBFT acpi header via sysfs
  iscsi_ibft: Add prefix-len attr and display netmask
 2016-05-18 15:30:04 -07:00
Linus Torvalds
4a5219edcd ARM: SoC driver updates for v4.7 
Driver updates for ARM SoCs, these contain various things that touch
 the drivers/ directory but got merged through arm-soc for practical
 reasons. For the most part, this is now related to power management
 controllers, which have not yet been abstracted into a separate
 subsystem, and typically require some code in drivers/soc or arch/arm
 to control the power domains.
 
 Another large chunk here is a rework of the NVIDIA Tegra USB3.0
 support, which was surprisingly tricky and took a long time to
 get done.
 
 Finally, reset controller handling as always gets merged through here
 as well.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs, these contain various things that touch
  the drivers/ directory but got merged through arm-soc for practical
  reasons.

  For the most part, this is now related to power management
  controllers, which have not yet been abstracted into a separate
  subsystem, and typically require some code in drivers/soc or arch/arm
  to control the power domains.

  Another large chunk here is a rework of the NVIDIA Tegra USB3.0
  support, which was surprisingly tricky and took a long time to get
  done.

  Finally, reset controller handling as always gets merged through here
  as well"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (97 commits)
  arm-ccn: Enable building as module
  soc/tegra: pmc: Add generic PM domain support
  usb: xhci: tegra: Add Tegra210 support
  usb: xhci: Add NVIDIA Tegra XUSB controller driver
  dt-bindings: usb: xhci-tegra: Add Tegra210 XUSB controller support
  dt-bindings: usb: Add NVIDIA Tegra XUSB controller binding
  PCI: tegra: Support per-lane PHYs
  dt-bindings: pci: tegra: Update for per-lane PHYs
  phy: tegra: Add Tegra210 support
  phy: Add Tegra XUSB pad controller support
  dt-bindings: phy: tegra-xusb-padctl: Add Tegra210 support
  dt-bindings: phy: Add NVIDIA Tegra XUSB pad controller binding
  phy: core: Allow children node to be overridden
  clk: tegra: Add interface to enable hardware control of SATA/XUSB PLLs
  drivers: firmware: psci: make two helper functions inline
  soc: renesas: rcar-sysc: Add support for R-Car H3 power areas
  soc: renesas: rcar-sysc: Add support for R-Car E2 power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-N power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-W power areas
  soc: renesas: rcar-sysc: Add support for R-Car H2 power areas
  ...
 2016-05-18 13:14:02 -07:00
Linus Torvalds
9797f6b050 ARM: SoC defconfig updates for v4.7 
As usual, a bunch of commits, mostly adding drivers and other options to
 defconfigs.
 
 We are adding three new defconfig files for the newly added 32-bit
 machines (aspeed and mps2), the rest is mainly housekeeping.
 
 The changes outside of arch/arm/config/ are for a Kconfig symbol
 that got renamed.
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC defconfig updates from Arnd Bergmann:
 "As usual, a bunch of commits, mostly adding drivers and other options
  to defconfigs.

  We are adding three new defconfig files for the newly added 32-bit
  machines (aspeed and mps2), the rest is mainly housekeeping.

  The changes outside of arch/arm/config/ are for a Kconfig symbol that
  got renamed"

* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (63 commits)
  ARM: aspeed: adapt defconfigs for new CONFIG_PRINTK_TIME
  ARM: u8500_defconfig: update sensor config
  ARM: u8500_defconfig: remove staging from defconfig
  ARM: multi_v7_defconfig: Remove unused Kconfig option MACH_UX500_DT
  ARM: at91/defconfig: sama5: add CONFIG_FHANDLE
  arm/configs: Add Aspeed defconfig
  arm/configs/multi_v5: Add Aspeed ast2400
  ARM: at91: sama5: Update defconfig
  ARM: imx_v6_v7_defconfig: add CONFIG_MICREL_PHY
  ARM: imx_v6_v7_defconfig: add CONFIG_I2C_GPIO
  ARM: multi_v7: Enable Tegra XUSB controller in defconfig
  ARM: tegra: Enable XUSB controller in defconfig
  ARM: omap2plus_defconfig: Enable PWM and ir-rx51 as loadable modules
  ARM: multi_v7_defconfig: add the Atmel sama5d2-compatible ADC driver
  ARM: multi_v7_defconfig: add the Atmel Audio microphone interface PDMIC
  ARM: multi_v7_defconfig: add Atmel ISI (Image Sensor Interface) driver
  ARM: multi_v7_defconfig: add Atmel watchdog timers
  ARM: multi_v7_defconfig: add HLCDC drivers as modules
  ARM: at91/defconfig: add PDMIC driver to sama5_defconfig
  ARM: at91/defconfig: add HLCDC driver to sama5_defconfig
  ...
 2016-05-18 13:07:57 -07:00
Linus Torvalds
2ec3240fd7 ARM: 64-bit DT updates for v4.7 
We continue ramping up platform support for 64-bit ARM machines,
 with 111 individual non-merge changesets touching 21 platforms.
 
 The LG1312 platform is completely new and is the first ARM
 platform by LG that we support in the mainline kernel. Two other
 SoCs got added that are updated versions of existing SoC
 families, so the port mainly consists of new dts files:
 - The Hisilicon Hip06/D03 is the latest server platform
   from Huawei/Hisilicon, and follows the Hip05/D02 platform.
 - Rockchip RK3399 follows the 32-bit RK3288 that is popular
   in low-end Chromebooks and the 64-bit RK3368 that is mainly
   found in chinese Android TV boxes.
 
 The 96Boards HiKey based on the Hisilicon Hi6220 (Kirin 620)
 gets a long-awaited overhaul with a lot of devices enabled in
 the DT, so it should be much more usable with a mainline kernel
 now. See also
 https://plus.google.com/111524780435806926688/posts/PeGb2VsNhJd
 
 A lot of work went into enabling new device drivers on existing
 machines, but we also have a couple of new commercially
 available machines:
 
 - Google Pixel C laptop based on Tegra210
 - Hardkernel Odroid C2 Based on Amlogic Meson GXBB (S905)
 - Geekbuying GeekBox based on Rockchip RK3368
 
 And finally, a couple of reference or development platforms
 that are not end-user platforms but are used for trying out
 the respective SoC platforms:
 
 - Amlogic Meson GXBB P200 and P201 development systems
 - NXP Layerscape 1043A QDS development board
 - Hisilicon Hip06 D03 server board, as mentioned above
 - LG1312 Reference Design
 - RK3399 Evaluation Board
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM 64-bit DT updates from Arnd Bergmann:
 "We continue ramping up platform support for 64-bit ARM machines, with
  111 individual non-merge changesets touching 21 platforms.

  The LG1312 platform is completely new and is the first ARM platform by
  LG that we support in the mainline kernel.  Two other SoCs got added
  that are updated versions of existing SoC families, so the port mainly
  consists of new dts files:

   - The Hisilicon Hip06/D03 is the latest server platform from
     Huawei/Hisilicon, and follows the Hip05/D02 platform.

   - Rockchip RK3399 follows the 32-bit RK3288 that is popular in
     low-end Chromebooks and the 64-bit RK3368 that is mainly found in
     chinese Android TV boxes.

  The 96Boards HiKey based on the Hisilicon Hi6220 (Kirin 620) gets a
  long-awaited overhaul with a lot of devices enabled in the DT, so it
  should be much more usable with a mainline kernel now.  See also

     https://plus.google.com/111524780435806926688/posts/PeGb2VsNhJd

  A lot of work went into enabling new device drivers on existing
  machines, but we also have a couple of new commercially available
  machines:

   - Google Pixel C laptop based on Tegra210
   - Hardkernel Odroid C2 Based on Amlogic Meson GXBB (S905)
   - Geekbuying GeekBox based on Rockchip RK3368

  And finally, a couple of reference or development platforms that are
  not end-user platforms but are used for trying out the respective SoC
  platforms:

   - Amlogic Meson GXBB P200 and P201 development systems
   - NXP Layerscape 1043A QDS development board
   - Hisilicon Hip06 D03 server board, as mentioned above
   - LG1312 Reference Design
   - RK3399 Evaluation Board"

* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (104 commits)
  arm64: dts: marvell: add XOR node for Armada 3700 SoC
  dt-bindings: document rockchip rk3399-evb board
  arm64: dts: rockchip: add dts file for RK3399 evaluation board
  arm64: dts: rockchip: add core dtsi file for RK3399 SoCs
  dt-bindings: rockchip-dw-mshc: add description for rk3399
  arm64: dts: marvell: Use a SoC-specific compatible for xHCI on Armada37xx
  arm64: dts: marvell: Rename armada-37xx USB node
  arm64: dts: marvell: Clean up armada-3720-db
  Documentation: arm64: Add Hisilicon Hip06 D03 dts binding
  arm64: dts: Add initial dts for Hisilicon Hip06 D03 board
  arm64: dts: hip05: Add nor flash support
  arm64: dts: hip05: fix its node without msi-cells
  arm64: dts: r8a7795: Don't disable referenced optional clocks
  arm64: dts: salvator-x: populate EXTALR
  arm64: dts: r8a7795: enable PCIe on Salvator-X
  arm64: dts: r8a7795: Add PCIe nodes
  arm64: tegra: Add IOMMU node to GM20B on Tegra210
  arm64: tegra: Add reference clock to GM20B on Tegra210
  dt-bindings: Add documentation for GM20B GPU
  dt-bindings: gk20a: Document iommus property
  ...
 2016-05-18 12:58:39 -07:00
Linus Torvalds
f7df9be067 ARM: DT updates for v4.7 
These are all the updates to device tree files for 32-bit platforms,
 which as usual makes up the bulk of the ARM SoC changes: 462 non-merge
 changesets, 450 files changed, 23340 insertions, 5216 deletions.
 
 The three platforms that are added with the "soc" branch are here as well,
 and we add some related machine files:
 
 - For Aspeed AST2400/AST2500, we get the evaluation platform and
   the Tyan Palmetto POWER8 mainboard that uses the AST2400 BMC
 - For Oxnas 810SE, the Western Digital "My Book World Edition"
   is added as the only platform at the moment.
 - For ARM MPS2, the AN385 (Cortex-M3) and AN399 (Cortex-M7)
   are supported
 
 On the ARM Realview development platform, we now support all machines
 with device tree, previously only the board files were supported, which
 in turn will likely be removed soon.
 
 Qualcomm IPQ4019 is the second generation ARM based "Internet Processor",
 following the IPQ806x that is used in many high-end WiFi routers. This one
 integrates two ath10k wifi radios that were previously on separate chips.
 
 Other boards that got added for existing chips are:
 
 - On Ti OMAP family:
   - Amazon Kindle Fire, first generation, tablet and ebook reader
   - OnRISC Baltos iR 2110 and 3220 embedded industrial PCs
   - TI AM5728 IDK, TI AM3359 ICE-V2, and TI DRA722 Rev C EVM
     development systems
 
 - On Samsung EXYNOS platform:
   - Samsung ARTIK5 evaluation board, see
     https://www.artik.io/modules/overview/artik-5/
 
 - On NXP i.MX platforms:
   - Ka-Ro electronics TX6S-8034, TX6S-8035, TX6U-8033, TX6U-81xx,
     TX6Q-1036, TX6Q-1110/-1130, TXUL-0010 and TXUL-0011 industrial
     SoM modules
   - Embest MarS Board i.MX6Dual DIY platform
   - Boundary Devices i.MX6 Quad Plus Nitrogen6_MAX and
     SoloX Nitrogen6sx embedded boards
   - Technexion Pico i.MX6UL compute module
   - ZII VF610 Development Board
 
 - On Marvell embedded (mvebu, orion, kirkwood) platforms:
   - Linksys Viper (E4200v2 / EA4500) WiFi router
   - Buffalo Kurobox Pro NAS
 
 - On Qualcomm Snapdragon:
   - Arrow DragonBoard 600c (96boards) with APQ8064 Snapdragon 600
 
 - On Rockchips platform:
   - mqmaker MiQi single-board computer
 
 - On Altera SoCFPGA:
   - samtec VIN|ING 1000 vehicle communication interface
 
 - On Allwinner Sunxi platforms:
   - Dserve DSRV9703C tablet
   - Difrnce DIT4350 tablet
   - Colorfly E708 Q1 tablet
   - Polaroid MID2809PXE04 tablet
   - Olimex A20 OLinuXino LIME2 single board computer
   - Xunlong Orange Pi 2, Orange Pi One, and Orange Pi PC
     single board computers
 
 Across many platforms, bug fixes went in to address warnings that
 dtc now emits with 'make dtbs W=1'. Further changes for device enablement
 went into Ti OMAP, bcm283x (Raspberry Pi), bcm47xx (wifi router),
 Ti Davinci, Samsung EXYNOS, Marvell mvebu/kirkwood/orion, NXP i.MX/Vybrid
 NXP LPC18xx, NXP LPC32xx, Renesas shmobile/r-mobile/r-car, Rockchips
 rk3xxx, ST Ux500, ST STi, Atmel AT91/SAMA5, Altera SoCFPGA, Allwinner
 Sunxi, Sigma Designs Tango, NVIDIA Tegra, Socionext Uniphier and ARM
 Versatile Express.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Arnd Bergmann:
 "These are all the updates to device tree files for 32-bit platforms,
  which as usual makes up the bulk of the ARM SoC changes: 462 non-merge
  changesets, 450 files changed, 23340 insertions, 5216 deletions.

  The three platforms that are added with the "soc" branch are here as
  well, and we add some related machine files:

   - For Aspeed AST2400/AST2500, we get the evaluation platform and the
     Tyan Palmetto POWER8 mainboard that uses the AST2400 BMC
   - For Oxnas 810SE, the Western Digital "My Book World Edition" is
     added as the only platform at the moment.
   - For ARM MPS2, the AN385 (Cortex-M3) and AN399 (Cortex-M7) are
     supported

  On the ARM Realview development platform, we now support all machines
  with device tree, previously only the board files were supported,
  which in turn will likely be removed soon.

  Qualcomm IPQ4019 is the second generation ARM based "Internet
  Processor", following the IPQ806x that is used in many high-end WiFi
  routers.  This one integrates two ath10k wifi radios that were
  previously on separate chips.

  Other boards that got added for existing chips are:

  Ti OMAP family:
     - Amazon Kindle Fire, first generation, tablet and ebook reader
     - OnRISC Baltos iR 2110 and 3220 embedded industrial PCs
     - TI AM5728 IDK, TI AM3359 ICE-V2, and TI DRA722 Rev C EVM
       development systems

  Samsung EXYNOS platform:
     - Samsung ARTIK5 evaluation board, see

        https://www.artik.io/modules/overview/artik-5/

  NXP i.MX platforms:
     - Ka-Ro electronics TX6S-8034, TX6S-8035, TX6U-8033, TX6U-81xx,
       TX6Q-1036, TX6Q-1110/-1130, TXUL-0010 and TXUL-0011 industrial
       SoM modules
     - Embest MarS Board i.MX6Dual DIY platform
     - Boundary Devices i.MX6 Quad Plus Nitrogen6_MAX and SoloX
       Nitrogen6sx embedded boards
     - Technexion Pico i.MX6UL compute module
     - ZII VF610 Development Board

  Marvell embedded (mvebu, orion, kirkwood) platforms:
     - Linksys Viper (E4200v2 / EA4500) WiFi router
     - Buffalo Kurobox Pro NAS

  Qualcomm Snapdragon:
     - Arrow DragonBoard 600c (96boards) with APQ8064 Snapdragon 600

  Rockchips platform:
     - mqmaker MiQi single-board computer

  Altera SoCFPGA:
     - samtec VIN|ING 1000 vehicle communication interface

  Allwinner Sunxi platforms:
     - Dserve DSRV9703C tablet
     - Difrnce DIT4350 tablet
     - Colorfly E708 Q1 tablet
     - Polaroid MID2809PXE04 tablet
     - Olimex A20 OLinuXino LIME2 single board computer
     - Xunlong Orange Pi 2, Orange Pi One, and Orange Pi PC single board
       computers

  Across many platforms, bug fixes went in to address warnings that dtc
  now emits with 'make dtbs W=1'.  Further changes for device enablement
  went into Ti OMAP, bcm283x (Raspberry Pi), bcm47xx (wifi router), Ti
  Davinci, Samsung EXYNOS, Marvell mvebu/kirkwood/orion, NXP i.MX/Vybrid
  NXP LPC18xx, NXP LPC32xx, Renesas shmobile/r-mobile/r-car, Rockchips
  rk3xxx, ST Ux500, ST STi, Atmel AT91/SAMA5, Altera SoCFPGA, Allwinner
  Sunxi, Sigma Designs Tango, NVIDIA Tegra, Socionext Uniphier and ARM
  Versatile Express"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (458 commits)
  ARM: dts: tango4: Import watchdog node
  ARM: dts: tango4: Update cpus node for cpufreq
  ARM: dts: tango4: Update DT to match clk driver
  ARM: dts: tango4: Initial thermal support
  arm/dst: Add Aspeed ast2500 device tree
  arm/dts: Add Aspeed ast2400 device tree
  ARM: sun7i: dt: Add pll3 and pll7 clocks
  ARM: dts: sunxi: Add a olinuxino-lime2-emmc
  ARM: dts: at91: sama5d4: add trng node
  ARM: dts: at91: sama5d3: add trng node
  ARM: dts: at91: sama5d2: add trng node
  ARM: dts: at91: at91sam9g45 family: reduce the trng register map size
  ARM: sun4i: dt: Add pll3 and pll7 clocks
  ARM: sun5i: chip: Enable the TV Encoder
  ARM: sun5i: r8: Add display blocks to the DTSI
  ARM: sun5i: a13: Add display and TCON clocks
  ARM: dts: ux500: configure the accelerometers open drain
  ARM: mx5: dts: Enable USB OTG on M53EVK
  ARM: dts: imx6ul-14x14-evk: Add audio support
  ARM: dts: imx6qdl: Remove unneeded unit-addresses
  ...
 2016-05-18 12:48:46 -07:00
Linus Torvalds
9f8f202278 ARM: SoC 64-bit changes for v4.7 
One new platform gets added this time: The Cortex-A53 based LG Electronics
 LG1K platform used in digital TVs.
 
 The other changes are mostly smaller updates to the defconfig files, to
 enable additional platform specific drivers, as they get merged through
 the subsystem trees.
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC 64-bit changes from Arnd Bergmann:
 "One new platform gets added this time: The Cortex-A53 based LG
  Electronics LG1K platform used in digital TVs.

  The other changes are mostly smaller updates to the defconfig files,
  to enable additional platform specific drivers, as they get merged
  through the subsystem trees"

* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm64: configs: add options useful for Armada 7K/8K support
  arm64: defconfig: Add Juno SATA controller
  arm64: defconfig: enable freescale/nxp config options
  arm64: defconfig: enable 48-bit virtual addresses
  arm64: defconfig: cleanup the defconfig
  MAINTAINERS: update entry for Marvell ARM platform maintainers
  arm64: marvell: enable AP806 and CP110 syscon driver
  arm64: Kconfig: select sp804 timer for ARCH_HISI
  arm64: defconfig: enable configs for WLAN and TI WL1835 as modules
  arm64: defconfig: enable several common USB network adapters
  arm64: defconfig: add CONFIG_SPI_SPIDEV as module
  arm64: defconfig: Enable the PMIC and regulator for Hi6220 and 96boards HiKey
  arm64: defconfig: Add Renesas R-Car USB 3.0 driver support
  MAINTAINERS: add Chanho Min as ARM/LG1K maintainer
  arm64: defconfig: enable ARCH_LG1K
  arm64: add Kconfig entry for LG1K SoC family
  arm64: defconfig: Enable PL330 DMA controller
  arm64: defconfig: enable basic boot for Amlogic meson
 2016-05-18 12:43:08 -07:00
Linus Torvalds
9896c7b57e ARM: SoC platform updates for v4.7 
We get support for three new 32-bit SoC platforms this time. The amount
 of changes in arch/arm for any of them is miniscule, as all the
 interesting code is in device driver subsystems (irqchip, clk, pinctrl,
 ...) these days. I'm listing them here, as the addition of the Kconfig
 statement is the main relevant milestone for a new platform. In each
 case, some drivers are are shared with existing platforms, while
 other drivers are added for v4.7 as well, or come in a later release.
 
 - The Aspeed platform is probably the most interesting one, this is
   what most whitebox servers use as their baseboard management
   controller. We get support for the very common ast2400 and ast2500
   SoCs. The OpenBMC project focuses on this chip, and the LWN
   article about their ELC 2016 presentation at
   https://lwn.net/Articles/683320/ triggered the submission, but the
   code comes from IBM's OpenPOWER team rather than the team at
   Facebook. There are still a lot more drivers that need to get added
   over time, and I hope both teams can work together on that.
 
 - OXNAS is an old platform for Network Attached Storage devices
   from Oxford Semiconductor. There are models with ARM10 (!) and
   ARM11MPCore cores, but for now, we only support the original ARM9
   based versions.
   The product lineup was subsequently part of PLX, Avago and now the
   new Broadcom Ltd. https://wiki.openwrt.org/doc/hardware/soc/soc.oxnas
   has some more information.
 
 - V2M-MPS2 is a prototyping platform from ARM for their Cortex-M
   cores and is related to the existing Realview / Versatile Express
   lineup, but without MMU. We now support various NOMMU platforms,
   so adding a new one is fairly straightforward.
   http://infocenter.arm.com/help/topic/com.arm.doc.100112_0100_03_en/
   has detailed information about the platform.
 
 Other noteworthy updates:
 
 - Work on LPC32xx has resumed, and Vladimir Zapolskiy and Sylvain Lemieux
   are now maintaining the platform. This is an older ARM9 based
   platform from NXP (not Freescale), but it remains in use in embedded
   markets.
 
 - Kevin Hilman is now co-maintaining the Amlogic Meson platform for both
   32-bit and 64-bit ARM, and started contributing some patches.
 
 - As is often the case, work on the OMAP platforms makes up the bulk of
   the actual SoC code changes in arch/arm, but there isn't a lot of
   that either.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "We get support for three new 32-bit SoC platforms this time.

  The amount of changes in arch/arm for any of them is miniscule, as all
  the interesting code is in device driver subsystems (irqchip, clk,
  pinctrl, ...) these days.  I'm listing them here, as the addition of
  the Kconfig statement is the main relevant milestone for a new
  platform.  In each case, some drivers are are shared with existing
  platforms, while other drivers are added for v4.7 as well, or come in
  a later release.

   - The Aspeed platform is probably the most interesting one, this is
     what most whitebox servers use as their baseboard management
     controller.  We get support for the very common ast2400 and ast2500
     SoCs.  The OpenBMC project focuses on this chip, and the LWN
     article about their ELC 2016 presentation at

        https://lwn.net/Articles/683320/

     triggered the submission, but the code comes from IBM's OpenPOWER
     team rather than the team at Facebook.  There are still a lot more
     drivers that need to get added over time, and I hope both teams can
     work together on that.

   - OXNAS is an old platform for Network Attached Storage devices from
     Oxford Semiconductor.  There are models with ARM10 (!) and
     ARM11MPCore cores, but for now, we only support the original ARM9
     based versions.  The product lineup was subsequently part of PLX,
     Avago and now the new Broadcom Ltd.

        https://wiki.openwrt.org/doc/hardware/soc/soc.oxnas

     has some more information.

   - V2M-MPS2 is a prototyping platform from ARM for their Cortex-M
     cores and is related to the existing Realview / Versatile Express
     lineup, but without MMU.

     We now support various NOMMU platforms, so adding a new one is
     fairly straightforward.

        http://infocenter.arm.com/help/topic/com.arm.doc.100112_0100_03_en/

     has detailed information about the platform.

  Other noteworthy updates:

   - Work on LPC32xx has resumed, and Vladimir Zapolskiy and Sylvain
     Lemieux are now maintaining the platform.

     This is an older ARM9 based platform from NXP (not Freescale), but
     it remains in use in embedded markets.

   - Kevin Hilman is now co-maintaining the Amlogic Meson platform for
     both 32-bit and 64-bit ARM, and started contributing some patches.

   - As is often the case, work on the OMAP platforms makes up the bulk
     of the actual SoC code changes in arch/arm, but there isn't a lot
     of that either"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
  MAINTAINERS: ARM/Amlogic: add co-maintainer, misc. updates
  MAINTAINERS: add ARM/NXP LPC32XX SoC specific drivers to the section
  MAINTAINERS: add new maintainers of NXP LPC32xx SoC
  MAINTAINERS: move ARM/NXP LPC32xx record to ARM section
  arm: Add Aspeed machine
  ARM: lpc32xx: remove duplicate const on lpc32xx_auxdata_lookup
  ARM: lpc32xx: remove leftovers of legacy clock source and provider drivers
  ARM: lpc32xx: remove reboot header file
  ARM: dove: Remove CLK_IS_ROOT
  ARM: orion5x: Remove CLK_IS_ROOT
  ARM: mv78xx0: Remove CLK_IS_ROOT
  ARM: davinci: da850: use clk->set_parent for async3
  ARM: davinci: Move clock init after ioremap.
  MAINTAINERS: Update ARM Versatile Express platform entry
  ARM: vexpress/mps2: introduce MPS2 platform
  MAINTAINERS: add maintainer entry for ARM/OXNAS platform
  ARM: Add new mach-oxnas
  irqchip: versatile-fpga: add new compatible for OX810SE SoC
  ARM: uniphier: correct the call order of of_node_put()
  MAINTAINERS: fix stale TI DaVinci entries
  ...
 2016-05-18 12:35:46 -07:00
Linus Torvalds
f2b1e0f638 ARM: SoC cleanups and fixes for v4.7 
Traditionally we've had two separate branches for cleanups and non-critical
 bug fixes, but both of these got smaller with each release and the differences
 are rather unclear now, so it seems more appropriate to have a combined
 branch.
 
 The most notably change is for OMAP, which gets a small rework to simplify
 handling of the AUXDATA mechanism used on machines that are not completely
 DT based yet, along with other work that is used as preparation for dropping
 the legacy board files.
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Merge tag 'armsoc-cleanups-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups and fixes from Arnd Bergmann:
 "Traditionally we've had two separate branches for cleanups and
  non-critical bug fixes, but both of these got smaller with each
  release and the differences are rather unclear now, so it seems more
  appropriate to have a combined branch.

  The most notable change is for OMAP, which gets a small rework to
  simplify handling of the AUXDATA mechanism used on machines that are
  not completely DT based yet, along with other work that is used as
  preparation for dropping the legacy board files"

* tag 'armsoc-cleanups-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: exynos: Add interrupt line to MAX8997 PMIC on exynos4210-trats
  ARM: dts: exynos: Fix regulator name to avoid forbidden character on exynos4210-trats
  ARM: dts: exynos: Add MFC memory banks for Peach boards
  ARM: OMAP2+: n900 needs MMC slot names for legacy user space
  ARM: OMAP2+: Add more functions to pwm pdata for ir-rx51
  ARM: debug: remove extraneous DEBUG_HI3716_UART option
  ARM: OMAP2+: Simplify auxdata by using the generic match
  of/platform: Allow secondary compatible match in of_dev_lookup
  ARM: davinci: use IRQCHIP_DECLARE for cp_intc
  ARM: davinci: remove unused DA8XX_NUM_UARTS
  ARM: davinci: simplify call to of populate
  ARM: DaVinci USB: removed deprecated properties from MUSB config
  ARM: rockchip: Fix use of plain integer as NULL pointer
  ARM: realview: hide unused 'pmu_device' object
  soc: versatile: dynamically detect RealView HBI numbers
 2016-05-18 12:28:29 -07:00
Linus Torvalds
f61a657fdf Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 
Pull s390 updates from Martin Schwidefsky:
 "The s390 patches for the 4.7 merge window have the usual bug fixes and
  cleanups, and the following new features:

   - An interface for dasd driver to query if a volume is online to
     another operating system

   - A new ioctl for the dasd driver to verify the format for a range of
     tracks

   - Following the example of x86 the struct fpu is now allocated with
     the task_struct

   - The 'report_error' interface for the PCI bus to send an
     adapter-error notification from user space to the service element
     of the machine"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (29 commits)
  s390/vmem: remove unused function parameter
  s390/vmem: fix identity mapping
  s390: add missing include statements
  s390: add missing declarations
  s390: make couple of variables and functions static
  s390/cache: remove superfluous locking
  s390/cpuinfo: simplify locking and skip offline cpus early
  s390/3270: hangup the 3270 tty after a disconnect
  s390/3270: handle reconnect of a tty with a different size
  s390/3270: avoid endless I/O loop with disconnected 3270 terminals
  s390/3270: fix garbled output on 3270 tty view
  s390/3270: fix view reference counting
  s390/3270: add missing tty_kref_put
  s390/dumpstack: implement and use return_address()
  s390/cpum_sf: Remove superfluous SMP function call
  s390/cpum_cf: Remove superfluous SMP function call
  s390/Kconfig: make z196 the default processor type
  s390/sclp: avoid compile warning in sclp_pci_report
  s390/fpu: allocate 'struct fpu' with the task_struct
  s390/crypto: cleanup and move the header with the cpacf definitions
  ...
 2016-05-18 12:17:16 -07:00
Linus Torvalds
0e034f5c4b iwlwifi: fix mis-merge that breaks the driver 
My laptop that uses the intel 7680 iwlwifi module would no longer
connects to the network.  It would fail with a "Microcode SW error
detected." and spew out register state over and over again without ever
connecting to the network.

The cause is mis-merge in commit 909b27f706, where David seems to have
lost some of the changes to iwl_mvm_set_tx_cmd() from commit
5c08b0f502 ("iwlwifi: mvm: don't override the rate with the AMSDU
len").

The reason seems to be a conflict with commit d8fe484470 ("iwlwifi:
mvm: add support for new TX CMD API"), which touched a line adjacent to
the changes in 909b27f706.

David missed the fact that "info->driver_data[0]" had become
"skb_info->driver_data[0]".  Then he removed the skb_info because it was
unused.

This just re-updates iwl_mvm_set_tx_cmd() with the lost two lines.

Reported-and-tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Reinoud Koornstra <reinoudkoornstra@gmail.com>
Cc: Luciano Coelho <luciano.coelho@intel.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-18 12:11:22 -07:00
Linus Torvalds
9e17632c0a Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull misc vfs cleanups from Al Viro:
 "Assorted cleanups and fixes all over the place"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  coredump: only charge written data against RLIMIT_CORE
  coredump: get rid of coredump_params->written
  ecryptfs_lookup(): try either only encrypted or plaintext name
  ecryptfs: avoid multiple aliases for directories
  bpf: reject invalid names right in ->lookup()
  __d_alloc(): treat NULL name as QSTR("/", 1)
  mtd: switch ubi_open_volume_path() to vfs_stat()
  mtd: switch open_mtd_by_chdev() to use of vfs_stat()
 2016-05-18 11:51:59 -07:00
Linus Torvalds
69370471d0 Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull iov_iter cleanups from Al Viro.

* 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fold checks into iterate_and_advance()
  rw_verify_area(): saner calling conventions
  aio: remove a pointless assignment
 2016-05-18 11:46:23 -07:00
Linus Torvalds
e34df3344d Merge branch 'work.lookups' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull parallel lookup fixups from Al Viro:
 "Fix for xfs parallel readdir (turns out the cxfs exposure was not
  enough to catch all problems), and a reversion of btrfs back to
  ->iterate() until the fs/btrfs/delayed-inode.c gets fixed"

* 'work.lookups' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  xfs: concurrent readdir hangs on data buffer locks
  Revert "btrfs: switch to ->iterate_shared()"
 2016-05-18 10:28:45 -07:00
Dave Chinner
9f54180109 xfs: concurrent readdir hangs on data buffer locks 
There's a three-process deadlock involving shared/exclusive barriers
and inverted lock orders in the directory readdir implementation.
It's a pre-existing problem with lock ordering, exposed by the
VFS parallelisation code.

process 1               process 2               process 3
---------               ---------               ---------
readdir
iolock(shared)
  get_leaf_dents
    iterate entries
       ilock(shared)
       map, lock and read buffer
       iunlock(shared)
       process entries in buffer
       .....
                                                readdir
                                                iolock(shared)
                                                  get_leaf_dents
                                                    iterate entries
                                                      ilock(shared)
                                                      map, lock buffer
                                                      <blocks>
                        finish ->iterate_shared
                        file_accessed()
                          ->update_time
                            start transaction
                            ilock(excl)
                            <blocks>
        .....
        finishes processing buffer
        get next buffer
          ilock(shared)
          <blocks>

And that's the deadlock.

Fix this by dropping the current buffer lock in process 1 before
trying to map the next buffer. This means we keep the lock order of
ilock -> buffer lock intact and hence will allow process 3 to make
progress and drop it's ilock(shared) once it is done.

Reported-by: Xiong Zhou <xzhou@redhat.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2016-05-18 13:20:21 -04:00
Al Viro
fe742fd4f9 Revert "btrfs: switch to ->iterate_shared()" 
This reverts commit 972b241f84.
Quoth Chris:
	didn't take the delayed inode stuff into account
	it got an rbtree of items and it pulls things out
	so in shared mode, its hugely racey
	sorry, lets revert and fix it for real inside of btrfs

Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2016-05-18 13:19:17 -04:00
Linus Torvalds
442c9ac989 Merge branch 'sendmsg.cifs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull cifs iovec cleanups from Al Viro.

* 'sendmsg.cifs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  cifs: don't bother with kmap on read_pages side
  cifs_readv_receive: use cifs_read_from_socket()
  cifs: no need to wank with copying and advancing iovec on recvmsg side either
  cifs: quit playing games with draining iovecs
  cifs: merge the hash calculation helpers
 2016-05-18 10:17:56 -07:00
Linus Torvalds
ba5a2655c2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull remaining vfs xattr work from Al Viro:
 "The rest of work.xattr (non-cifs conversions)"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  btrfs: Switch to generic xattr handlers
  ubifs: Switch to generic xattr handlers
  jfs: Switch to generic xattr handlers
  jfs: Clean up xattr name mapping
  gfs2: Switch to generic xattr handlers
  ceph: kill __ceph_removexattr()
  ceph: Switch to generic xattr handlers
  ceph: Get rid of d_find_alias in ceph_set_acl
 2016-05-18 10:08:45 -07:00
Linus Torvalds
8908c94d6c Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6 
Pull cifs updates from Steve French:
 "Various small CIFS and SMB3 fixes (including some for stable)"

* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
  remove directory incorrectly tries to set delete on close on non-empty directories
  Update cifs.ko version to 2.09
  fs/cifs: correctly to anonymous authentication for the NTLM(v2) authentication
  fs/cifs: correctly to anonymous authentication for the NTLM(v1) authentication
  fs/cifs: correctly to anonymous authentication for the LANMAN authentication
  fs/cifs: correctly to anonymous authentication via NTLMSSP
  cifs: remove any preceding delimiter from prefix_path
  cifs: Use file_dentry()
 2016-05-18 10:01:47 -07:00
James Bottomley
e7ca7f9fa2 Merge branch 'fixes' into misc 2016-05-17 21:12:50 -04:00
Linus Torvalds
0b7962a6c4 Merge branch 'for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 
Pull libata updates from Tejun Heo:
 "Trivial changes except for special case timeout bumping.

  I have two more libata branches which depend on SCSI and dmaengine
  tree respectively.  I'll send pull requests for them once the
  prerequisite trees are pulled in"

* 'for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  libata-scsi: use %*ph to dump small buffers
  treewide: Fix typos in libata.xml
  libata-core: Allow longer timeout for drive spinup from PUIS
  libata: Fixup awkward whitespace in warning by removing line continuation.
 2016-05-17 18:00:39 -07:00
Linus Torvalds
6f88b5be84 regulator: Fix build warnings from regulator_can_change_voltage() 
Cut down on noise for mainstream users of the API and people doing build
 testing by dropping the deprecated flag from regulator_can_change_voltage()
 as it triggers even on the EXPORT_SYMBOL_GPL() which affects all builds
 rather than just the remaining drivers with calls to it (for which fixes
 are currently pending).
 
 The function remains deprecated and is expected to be removed entirely
 in v4.8.
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Merge tag 'regulator-fix-can-change-voltage' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "Fix build warnings from regulator_can_change_voltage()

  Cut down on noise for mainstream users of the API and people
  doing build testing by dropping the deprecated flag from
  regulator_can_change_voltage() as it triggers even on the
  EXPORT_SYMBOL_GPL() which affects all builds rather than just
  the remaining drivers with calls to it (for which fixes are
  currently pending).

  The function remains deprecated and is expected to be removed
  entirely in v4.8"

* tag 'regulator-fix-can-change-voltage' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: Silence build warnings from regulator_can_change_voltage()
 2016-05-17 17:47:31 -07:00
Linus Torvalds
1eccc6e152 This is the bulk of GPIO changes for kernel cycle v4.7: 
Core infrastructural changes:
 
 - Support for natively single-ended GPIO driver stages. This
   means that if the hardware has registers to configure open
   drain or open source configuration, we use that rather than
   (as we did before) try to emulate it by switching the line
   to an input to get high impedance. This is also documented
   throughly in Documentation/gpio/driver.txt for those of you
   who did not understand one word of what I just wrote.
 
 - Start to do away with the unnecessarily complex and
   unitelligible ARCH_REQUIRE_GPIOLIB and
   ARCH_WANT_OPTIONAL_GPIOLIB, another evolutional artifact from
   the time when the GPIO subsystem was unmaintained. Archs can
   now just select GPIOLIB and be done with it, cleanups to
   arches will trickle in for the next kernel. Some minor archs
   ACKed the changes immediately so these are included in this
   pull request.
 
 - Advancing the use of the data pointer inside the GPIO device
   for storing driver data by switching the PowerPC, Super-H
   Unicore and a few other subarches or subsystem drivers in
   ALSA SoC, Input, serial, SSB, staging etc to use it.
 
 - The initialization now reads the input/output state of the
   GPIO lines, so that each GPIO descriptor knows - if this
   callback is implemented - whether the line is input or
   output. This also reflects nicely in userspace "lsgpio".
 
 - It is now possible to name GPIO producer names, line names,
   from the device tree. (Platform data has been supported for
   a while.) I bet we will get a similar mechanism for ACPI
   one of those days. This makes is possible to get sensible
   producer names for e.g. GPIO rails in "lsgpio" in userspace.
 
 New drivers:
 
 - New driver for the Loongson1.
 
 - The XLP driver now supports Broadcom Vulcan ARM64.
 
 - The IT87 driver now supports IT8620 and IT8628.
 
 - The PCA953X driver now supports Galileo Gen2.
 
 Driver improvements:
 
 - MCP23S08 was switched to use the gpiolib irqchip helpers and
   now also suppors level-triggered interrupts.
 
 - 74x164 and RCAR now supports the .set_multiple() callback
 
 - AMDPT was converted to use generic GPIO.
 
 - TC3589x, TPS65218, SX150X, F7188X, MENZ127, VX855, WM831X, WM8994
   support the new single ended callback for open drain
   and in some cases open source.
 
 - Implement the .get_direction() callback for a few more drivers
   like PL061, Xgene.
 
 Cleanups:
 
 - Paul Gortmaker combed through the drivers and de-modularized
   those who are not really modules.
 
 - Move the GPIO poweroff DT bindings to the power subdir where
   they belong.
 
 - Rename gpio-generic.c to gpio-mmio.c, which is much more to the
   point. That's what it is handling, nothing more, nothing less.
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Merge tag 'gpio-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for kernel cycle v4.7:

  Core infrastructural changes:

   - Support for natively single-ended GPIO driver stages.

     This means that if the hardware has registers to configure open
     drain or open source configuration, we use that rather than (as we
     did before) try to emulate it by switching the line to an input to
     get high impedance.

     This is also documented throughly in Documentation/gpio/driver.txt
     for those of you who did not understand one word of what I just
     wrote.

   - Start to do away with the unnecessarily complex and unitelligible
     ARCH_REQUIRE_GPIOLIB and ARCH_WANT_OPTIONAL_GPIOLIB, another
     evolutional artifact from the time when the GPIO subsystem was
     unmaintained.

     Archs can now just select GPIOLIB and be done with it, cleanups to
     arches will trickle in for the next kernel.  Some minor archs ACKed
     the changes immediately so these are included in this pull request.

   - Advancing the use of the data pointer inside the GPIO device for
     storing driver data by switching the PowerPC, Super-H Unicore and
     a few other subarches or subsystem drivers in ALSA SoC, Input,
     serial, SSB, staging etc to use it.

   - The initialization now reads the input/output state of the GPIO
     lines, so that each GPIO descriptor knows - if this callback is
     implemented - whether the line is input or output.  This also
     reflects nicely in userspace "lsgpio".

   - It is now possible to name GPIO producer names, line names, from
     the device tree.  (Platform data has been supported for a while).
     I bet we will get a similar mechanism for ACPI one of those days.
     This makes is possible to get sensible producer names for e.g.
     GPIO rails in "lsgpio" in userspace.

  New drivers:

   - New driver for the Loongson1.

   - The XLP driver now supports Broadcom Vulcan ARM64.

   - The IT87 driver now supports IT8620 and IT8628.

   - The PCA953X driver now supports Galileo Gen2.

  Driver improvements:

   - MCP23S08 was switched to use the gpiolib irqchip helpers and now
     also suppors level-triggered interrupts.

   - 74x164 and RCAR now supports the .set_multiple() callback

   - AMDPT was converted to use generic GPIO.

   - TC3589x, TPS65218, SX150X, F7188X, MENZ127, VX855, WM831X, WM8994
     support the new single ended callback for open drain and in some
     cases open source.

   - Implement the .get_direction() callback for a few more drivers like
     PL061, Xgene.

  Cleanups:

   - Paul Gortmaker combed through the drivers and de-modularized those
     who are not really modules.

   - Move the GPIO poweroff DT bindings to the power subdir where they
     belong.

   - Rename gpio-generic.c to gpio-mmio.c, which is much more to the
     point.  That's what it is handling, nothing more, nothing less"

* tag 'gpio-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (126 commits)
  MIPS: do away with ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
  gpio: zevio: make it explicitly non-modular
  gpio: timberdale: make it explicitly non-modular
  gpio: stmpe: make it explicitly non-modular
  gpio: sodaville: make it explicitly non-modular
  pinctrl: sh-pfc: Let gpio_chip.to_irq() return zero on error
  gpio: dwapb: Add ACPI device ID for DWAPB GPIO controller on X-Gene platforms
  gpio: dt-bindings: add wd,mbl-gpio bindings
  gpio: of: make it possible to name GPIO lines
  gpio: make gpiod_to_irq() return negative for NO_IRQ
  gpio: xgene: implement .get_direction()
  gpio: xgene: Enable ACPI support for X-Gene GFC GPIO driver
  gpio: tegra: Implement gpio_get_direction callback
  gpio: set up initial state from .get_direction()
  gpio: rename gpio-generic.c into gpio-mmio.c
  gpio: generic: fix GPIO_GENERIC_PLATFORM is set to module case
  gpio: dwapb: add gpio-signaled acpi event support
  gpio: dwapb: convert device node to fwnode
  gpio: dwapb: remove name from dwapb_port_property
  gpio/qoriq: select IRQ_DOMAIN
  ...
 2016-05-17 17:39:42 -07:00