Commit Graph

507319 Commits

Author SHA1 Message Date
Bob Moore 796888e942 ACPICA: Add "Windows 2015" string to _OSI support.
ACPICA commit b293f602a67da478ae0bec129e68bd99787d9908

This change adds this string for Windows 10.

Link: https://github.com/acpica/acpica/commit/b293f602
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:54 +02:00
Bob Moore 56a3d5e755 ACPICA: Add infrastructure for External() opcode.
ACPICA commit d115fe2ffdab449d6107d58580c5afd0a81d65fe

This change adds the basic low-level infrastructure for the External
AML opcode. The interpreter will simply ignore this op, as the op
is intended for use by the disassembler only.

Note that External() opcode is useful for disassembler, interpreter
can simply ignore it and still return exceptions for unknown control
methods so the kernel part only includes the grammar definition of
External() opcode in order to ignore it but doesn't interpret it.

Link: https://github.com/acpica/acpica/commit/d115fe2f
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:54 +02:00
Bob Moore 2e7cc46a0f ACPICA: iASL: Enhancement for constant folding.
ACPICA commit 4f9e950d41cd6f6c704d5d6cf518647620d65e99

Add support to fold expressions with a target operand -- these are
folded and converted to a Store operator:

Add (4, 3, INT1) --> Store (7, INT1)

Also supports ASL+ constructs:

INT1 = 4 + 3 --> Store (7, INT1)

Linux kernel is not affected by this patch.

Link: https://github.com/acpica/acpica/commit/4f9e950d
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:54 +02:00
Bob Moore 8b0b1a9976 ACPICA: iASL/Disassembler: Add option to assume table contains valid AML.
ACPICA commit f5d2ff3fa05341d9fe27250fcb2e14c7f871432c

For dynamically loaded tables that have unknown ACPI signatures,
this option (-df) forces the disassembler to treat the table as if
it contains valid AML code (like a DSDT or SSDT). Otherwise, the
disassembler will treat the table as an unkown data table and
simply do a hex dump of the table.

Linux kernel is not affected by this patch.

Link: https://github.com/acpica/acpica/commit/f5d2ff3f
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:54 +02:00
Bob Moore 0a38113312 ACPICA: Update AML Debugger global variables.
ACPICA commit f65d0e5b880860a6da0c336b7c48139d1469f5b4

- Remove unused variables
- Update to use standard naming/capitalization convention.

Linux kernel is not affected by this patch.

Link: https://github.com/acpica/acpica/commit/f65d0e5b
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:54 +02:00
Bob Moore 39239fedbf ACPICA: Update Resource descriptor dump module.
ACPICA commit 184f3cc4d162a6b6b2005eacd8be2fe55f19a245

- Change global #ifdef to check for ACPI_DEBUGGER only.
- Cleanup some long lines and misaligned code.

Link: https://github.com/acpica/acpica/commit/184f3cc4
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:53 +02:00
Bob Moore 81ed793d30 ACPICA: Fix a sscanf format string.
ACPICA commit 84f3569db7accc576ace2dae81d101467254fe9d

Was using %d instead of properly using %u.

This patch only affects acpidump tool.

Link: https://github.com/acpica/acpica/commit/84f3569d
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:53 +02:00
Bob Moore 938ed1029a ACPICA: Casting changes around acpi_physical_address/acpi_size.
ACPICA commit 46dc081e570b1363af1e368980201cbb65c4100f

Update for some recent changes, detected by MSVC and FreeBSD builds.

Link: https://github.com/acpica/acpica/commit/46dc081e
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:53 +02:00
Lv Zheng 27c481f37f ACPICA: Resources: Correct conditional compilation definitions.
ACPICA commit f92a08512b0b35dce4a7fc6a73216674a3c2541b

Some conditional compilation definitions are wrong across header and source
files. This patch corrects them for the resources component.

NOTE that a further patch in this patchset cleans up all ACPI_EXEC_APP,
converting them into ACPI_DEBUGGER, including part of this change.

Link: https://github.com/acpica/acpica/commit/f92a0851
Reported-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:53 +02:00
Lv Zheng 6306bf8862 ACPICA: Utilities: Correct conditional compilation definitions.
ACPICA commit 9a5982afbebc56289c4834b5f6dac87e0f04af14

Some conditional compilation definitions are wrong across header and source
files. This patch corrects them for the utilities component.

Link: https://github.com/acpica/acpica/commit/9a5982af
Reported-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:52 +02:00
Lv Zheng 76cffa79bd ACPICA: Tables: Move an iasl specific table function to iasl source file.
ACPICA commit 6eb364d790dd103bd4990f808e0095a421c437cb

acpi_tb_store_table() implements a logic that is only correct to iasl. So it
won't be used by any other utilities except iasl. This function is
complained by the kernel users as an unused function. The best choice to
stop releasing it to the Linux kernel should be moving it to adisasm.c.

ACPI table manager can use both struct acpi_table_desc (direct referencing)
and table index (indirect referencing) as the descriptor to the table, so
acpi_tb_get_next_root_index() is extended to return both of them to allow
maximum usability from the callers. NOTE that indirect referencing is a
design result to meet the boot stage static allocation requirement for the
table descriptors.

This is a linuxized acpi_tb_store_table() removing result, there should be
no functional changes introduced to the Linux kernel by this patch except
the additonal kernel unused argument for acpi_tb_get_next_root_index()
(renamed to acpi_tb_get_next_root_index()). This argument is used in the
ACPICA upstream.

Link: https://github.com/acpica/acpica/commit/6eb364d7
Reported-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:52 +02:00
Rickard Strandqvist 9bd4ce36dc ACPICA: Utilities: Remove unused acpi_ut_create_pkg_state_and_push().
ACPICA commit 2a9ebd974aee41391f4b0edcd4f0cc5ee23ec2f8

Remove the function acpi_ut_create_pkg_state_and_push() that is not used anywhere.
This was partially found by using a static code analysis program called cppcheck.

Link: https://github.com/acpica/acpica/commit/2a9ebd97
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:52 +02:00
Rasmus Villemoes 1797d379f2 ACPICA: Applications: Remove use of __DATE__ macro.
ACPICA commit 3d9fb6d1f216a78ad098d3ad23f1304376c2f4ef

The macro __DATE__ and friends is not allowed in the Linux kernel. Also,
including the build time in output doesn't seem to provide any value.

Link: https://github.com/acpica/acpica/commit/3d9fb6d1
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:52 +02:00
Lv Zheng 09af8e8290 ACPICA: Events: Add support to return both enable/status register values for GPE and fixed event.
ACPICA commit e25d791e4b3d5b9f4ead298269610cb05f89749a

There is a facility in Linux, developers can obtain GPE and fixed event
status via /sys/firmware/interrupts/. This is implemented using
acpi_get_event_status() and acpi_get_gpe_status(). Recently while debugging some
GPE race issues, it is found that the facility is lacking in the ability to
obtain real hardware register values, the confusing information makes
debugging difficult.

This patch modifies acpi_get_gpe_status() to return EN register values to fix
this gap. Then flags returned from acpi_get_event_status() and
acpi_get_gpe_status() are also cleaned up to reflect this change.

The old ACPI_EVENT_FLAG_SET is carefully kept to avoid regressions. It can
be deleted after we can make sure all its references are removed from OSPM
code. Lv Zheng.

Link: https://github.com/acpica/acpica/commit/e25d791e
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:52 +02:00
Octavian Purdila 77ddc2fe08 ACPICA: Tables: Don't release ACPI_MTX_TABLES in acpi_tb_install_standard_table().
ACPICA commit c70434d4da13e65b6163c79a5aa16b40193631c7

ACPI_MTX_TABLES is acquired and released by the callers of
acpi_tb_install_standard_table() so releasing it in the function itself is
causing the following error in Linux kernel if the table is reloaded:

ACPI Error: Mutex [0x2] is not acquired, cannot release (20141107/utmutex-321)
Call Trace:
  [<ffffffff81b0bd48>] dump_stack+0x4f/0x7b
  [<ffffffff81546bf5>] acpi_ut_release_mutex+0x47/0x67
  [<ffffffff81544357>] acpi_load_table+0x73/0xcb

Link: https://github.com/acpica/acpica/commit/c70434d4
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Cc: 3.16+ <stable@vger.kernel.org> # 3.16+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:52 +02:00
Lv Zheng 2b8760100e ACPICA: Utilities: split IO address types from data type models.
ACPICA commit aacf863cfffd46338e268b7415f7435cae93b451

It is reported that on a physically 64-bit addressed machine, 32-bit kernel
can trigger crashes in accessing the memory regions that are beyond the
32-bit boundary. The region field's start address should still be 32-bit
compliant, but after a calculation (adding some offsets), it may exceed the
32-bit boundary. This case is rare and buggy, but there are real BIOSes
leaked with such issues (see References below).

This patch fixes this gap by always defining IO addresses as 64-bit, and
allows OSPMs to optimize it for a real 32-bit machine to reduce the size of
the internal objects.

Internal acpi_physical_address usages in the structures that can be fixed
by this change include:
 1. struct acpi_object_region:
    acpi_physical_address		address;
 2. struct acpi_address_range:
    acpi_physical_address		start_address;
    acpi_physical_address		end_address;
 3. struct acpi_mem_space_context;
    acpi_physical_address		address;
 4. struct acpi_table_desc
    acpi_physical_address		address;
See known issues 1 for other usages.

Note that acpi_io_address which is used for ACPI_PROCESSOR may also suffer
from same problem, so this patch changes it accordingly.

For iasl, it will enforce acpi_physical_address as 32-bit to generate
32-bit OSPM compatible tables on 32-bit platforms, we need to define
ACPI_32BIT_PHYSICAL_ADDRESS for it in acenv.h.

Known issues:
 1. Cleanup of mapped virtual address
   In struct acpi_mem_space_context, acpi_physical_address is used as a virtual
   address:
    acpi_physical_address                   mapped_physical_address;
   It is better to introduce acpi_virtual_address or use acpi_size instead.
   This patch doesn't make such a change. Because this should be done along
   with a change to acpi_os_map_memory()/acpi_os_unmap_memory().
   There should be no functional problem to leave this unchanged except
   that only this structure is enlarged unexpectedly.

Link: https://github.com/acpica/acpica/commit/aacf863c
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=87971
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=79501
Reported-and-tested-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reported-and-tested-by: Sial Nije <sialnije@gmail.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:52 +02:00
Lv Zheng 1d0a0b2f6d ACPICA: Utilities: Cleanup to remove useless ACPI_PRINTF/FORMAT_xxx helpers.
ACPICA commit b60612373a4ef63b64a57c124576d7ddb6d8efb6

For physical addresses, since the address may exceed 32-bit address range
after calculation, we should use 0x%8.8X%8.8X instead of ACPI_PRINTF_UINT
and ACPI_FORMAT_UINT64() instead of
ACPI_FORMAT_NATIVE_UINT()/ACPI_FORMAT_TO_UINT().

This patch also removes above replaced macros as there are no users.

This is a preparation to switch acpi_physical_address to 64-bit on 32-bit
kernel builds.

Link: https://github.com/acpica/acpica/commit/b6061237
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:51 +02:00
Lv Zheng cc2080b0e5 ACPICA: Utilities: Cleanup to convert physical address printing formats.
ACPICA commit 7f06739db43a85083a70371c14141008f20b2198

For physical addresses, since the address may exceed 32-bit address range
after calculation, we should use %8.8X%8.8X (see ACPI_FORMAT_UINT64()) to
convert the %p formats.

This is a preparation to switch acpi_physical_address to 64-bit on 32-bit
kernel builds.

Link: https://github.com/acpica/acpica/commit/7f06739d
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:51 +02:00
Lv Zheng 6d3fd3cc33 ACPICA: Utilities: Cleanup to enforce ACPI_PHYSADDR_TO_PTR()/ACPI_PTR_TO_PHYSADDR().
ACPICA commit 154f6d074dd38d6ebc0467ad454454e6c5c9ecdf

There are code pieces converting pointers using "(acpi_physical_address) x"
or "ACPI_CAST_PTR (t, x)" formats, this patch cleans up them.

Known issues:
1. Cleanup of "(ACPI_PHYSICAL_ADDRRESS) x" for a table field
   For the conversions around the table fields, it is better to fix it with
   alignment also fixed. So this patch doesn't modify such code. There
   should be no functional problem by leaving them unchanged.

Link: https://github.com/acpica/acpica/commit/154f6d07
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:51 +02:00
Lv Zheng ea2849255f ACPICA: Executer: Cleanup to remove an unnecessary conversion.
ACPICA commit c327986430b7eb170c17d0f45735fe71bb62a810

The conversion converts an acpi_physical_address to acpi_physical_address,
this patch thus removes such useless conversion.

Link: https://github.com/acpica/acpica/commit/c3279864
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:51 +02:00
Lv Zheng e0423edff1 ACPICA: Unix: Cleanup to use ACPI_TO_INTEGER() to calc page offset.
ACPICA commit 9e2d8180f4d5e61949b17513bae8aff6412f62dd

The offset calculation needn't convert a pointer to a special integer type.
So this patch uses ACPI_TO_INTEGER() instead.

This patch only affects acpidump tool.

Link: https://github.com/acpica/acpica/commit/9e2d8180
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:50 +02:00
Lv Zheng f254e3c57b ACPICA: Tables: Change acpi_find_root_pointer() to use acpi_physical_address.
ACPICA commit 7d9fd64397d7c38899d3dc497525f6e6b044e0e3

OSPMs like Linux expect an acpi_physical_address returning value from
acpi_find_root_pointer(). This triggers warnings if sizeof (acpi_size) doesn't
equal to sizeof (acpi_physical_address):
  drivers/acpi/osl.c:275:3: warning: passing argument 1 of 'acpi_find_root_pointer' from incompatible pointer type [enabled by default]
  In file included from include/acpi/acpi.h:64:0,
                   from include/linux/acpi.h:36,
                   from drivers/acpi/osl.c:41:
  include/acpi/acpixf.h:433:1: note: expected 'acpi_size *' but argument is of type 'acpi_physical_address *'
This patch corrects acpi_find_root_pointer().

Link: https://github.com/acpica/acpica/commit/7d9fd643
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:50 +02:00
Lv Zheng 18ae90214d ACPICA: Linuxize: Reduce divergences for 20150410 release.
This patch reduces source code differences between the Linux kernel and the
ACPICA upstream so that the linuxized ACPICA 20150410 release can be
applied with reduced human intervention.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-14 14:51:50 +02:00
Linus Torvalds 39a8804455 Linux 4.0 2015-04-12 15:12:50 -07:00
Linus Torvalds 6a23b45f1d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs and fs fixes from Al Viro:
 "Several AIO and OCFS2 fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  ocfs2: _really_ sync the right range
  ocfs2_file_write_iter: keep return value and current position update in sync
  [regression] ocfs2: do *not* increment ->ki_pos twice
  ioctx_alloc(): fix vma (and file) leak on failure
  fix mremap() vs. ioctx_kill() race
2015-04-12 10:56:12 -07:00
Linus Torvalds 54d8ccc302 Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
Pull last minute thermal-SoC management fixes from Eduardo Valentin:
 "Specifics:

   - Minor fixes on ST and RCAR thermal drivers.
   - Avoid flooding kernel log when driver returns -EAGAIN.

  Note: I am sending this pull on Rui's behalf while he fixes issues in
  his Linux box"

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
  drivers: thermal: st: remove several sparse warnings
  thermal: constify of_device_id array
  thermal: Do not log an error if thermal_zone_get_temp returns -EAGAIN
  thermal: rcar: Fix typo in r8a73a4 SoC name
2015-04-12 10:43:30 -07:00
Linus Torvalds 56fd85b5dd ASoC: Last minute fix for v4.0
This patch backs out a change that came in during the merge window which
 selects a configuration for GPIO4 on pcm512x CODECs that may not be
 suitable for all systems using the device.  Changes for v4.1 will make
 this properly configurable but for now it's safest to revert to the
 v3.19 behaviour and leave the pin configuration alone.
 
 Sorry for sending this direct at the last minute but due to the GPIO
 misuse it'd be really good to get it in the release and I'd not realised
 it hadn't been sent yet - between some travel, a job change and other
 non-urgent fixes coming in I'd lost track of the urgency.  It's been in
 -next for several weeks now, is isolated to the driver and fairly clear
 to inspection.
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Merge tag 'asoc-fix-v4.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound

Pull last-minute ASoC fix from Mark Brown:
 "This patch backs out a change that came in during the merge window
  which selects a configuration for GPIO4 on pcm512x CODECs that may not
  be suitable for all systems using the device.  Changes for v4.1 will
  make this properly configurable but for now it's safest to revert to
  the v3.19 behaviour and leave the pin configuration alone.

  Sorry for sending this direct at the last minute but due to the GPIO
  misuse it'd be really good to get it in the release and I'd not
  realised it hadn't been sent yet - between some travel, a job change
  and other non-urgent fixes coming in I'd lost track of the urgency.

  It's been in -next for several weeks now, is isolated to the driver
  and fairly clear to inspection"

* tag 'asoc-fix-v4.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound:
  ASoC: pcm512x: Remove hardcoding of pll-lock to GPIO4
2015-04-11 15:57:36 -07:00
Howard Mitchell 14f0413ce3 ASoC: pcm512x: Remove hardcoding of pll-lock to GPIO4
Currently GPIO4 is hardcoded to output the pll-lock signal.
Unfortunately this is after the pll-out GPIO is configured which
is selectable in the device tree. Therefore it is not possible to
use GPIO4 for pll-out. Therefore this patch removes the
configuration of GPIO4.

Signed-off-by: Howard Mitchell <hm@hmbedded.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-11 22:09:14 +01:00
Linus Torvalds 12522eeac8 Revert "dmaengine: Add a warning for drivers not using the generic slave caps retrieval"
This reverts commit ecc19d1786.

It added a new warning to try to encourage driver writers to set the
device capabities properly, but drivers haven't been updated and in the
meantime it just generaters a scary message that users cannot actually
do anything about.

Warnings like these are appropriate if you actually expect to fix the
code that causes them.  They are not appropriate for releases.

Requested-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-04-11 13:46:07 -07:00
Linus Torvalds ac2111753c blk-mq: initialize 'struct request' and associated data to zero
Jan Engelhardt reports a strange oops with an invalid ->sense_buffer
pointer in scsi_init_cmd_errh() with the blk-mq code.

The sense_buffer pointer should have been initialized by the call to
scsi_init_request() from blk_mq_init_rq_map(), but there seems to be
some non-repeatable memory corruptor.

This patch makes sure we initialize the whole struct request allocation
(and the associated 'struct scsi_cmnd' for the SCSI case) to zero, by
using __GFP_ZERO in the allocation.  The old code initialized a couple
of individual fields, leaving the rest undefined (although many of them
are then initialized in later phases, like blk_mq_rq_ctx_init() etc.

It's not entirely clear why this matters, but it's the rigth thing to do
regardless, and with 4.0 imminent this is the defensive "let's just make
sure everything is initialized properly" patch.

Tested-by: Jan Engelhardt <jengelh@inai.de>
Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-04-11 13:42:16 -07:00
Linus Torvalds 8fa5975900 Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fix from Vinod Koul:
 "I have one more fix to fix the boot warning on cppi driver due to
  missing capabilities"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: cppi41: add missing bitfields
2015-04-11 10:52:13 -07:00
Linus Torvalds 545124e777 Some annoying issues in the IPMI driver that would be good to have
fixed before 4.0 is released.
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Merge tag 'for-linus-4.0-1' of git://git.code.sf.net/p/openipmi/linux-ipmi

Pull late ipmi fixes from Corey Minyard:
 "Some annoying issues in the IPMI driver that would be good to have
  fixed before 4.0 is released.

  These got reported or discovered late, but they will avoid some
  situations that would cause lots of log spam and in one case a
  deadlock"

* tag 'for-linus-4.0-1' of git://git.code.sf.net/p/openipmi/linux-ipmi:
  ipmi_ssif: Use interruptible completion for waiting in the thread
  ipmi/powernv: Fix minor locking bug
  ipmi: Handle BMCs that don't allow clearing the rcv irq bit
2015-04-11 10:47:17 -07:00
Felipe Balbi ffeb13aab6 dmaengine: cppi41: add missing bitfields
Add missing directions, residue_granularity,
srd_addr_widths and dst_addr_widths bitfields.

Without those we will see a kernel WARN()
when loading musb on am335x devices.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-04-11 21:12:58 +05:30
Corey Minyard d0acf734d8 ipmi_ssif: Use interruptible completion for waiting in the thread
The code was using an normal completion, but that caused stuck
task errors after a while.  Use an interruptible one to avoid that.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
2015-04-10 20:51:42 -05:00
Alistair Popple ad1ed2a9dd ipmi/powernv: Fix minor locking bug
If ipmi_powernv_recv(...) is called without a current message it
prints a warning and returns. However it fails to release the message
lock causing the system to dead lock during any subsequent IPMI
operations.

This error path should never normally be taken unless there are bugs
elsewhere in the system.

Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
2015-04-10 20:51:42 -05:00
Corey Minyard 1e7d6a45f6 ipmi: Handle BMCs that don't allow clearing the rcv irq bit
Some BMCs don't let you clear the receive irq bit in the global
enables.  This is kind of silly, but they give an error if you
try to clear it.  Compensate for this by detecting the situation
and working around it.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Thomas D <whissi@whissi.de>
Reviewed-by: Thomas D <whissi@whissi.de>
2015-04-10 20:51:42 -05:00
Linus Torvalds 3259b12ae1 SCSI fixes on 20150410
This is our remaining set of three fixes for 4.0: two oops fixes(one for cable
 pulls triggering oopses and the other be2iscsi specific) and one warn on in
 sysfs on multipath devices using enclosures.
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is our remaining set of three fixes for 4.0: two oops fixes(one
  for cable pulls triggering oopses and the other be2iscsi specific) and
  one warn on in sysfs on multipath devices using enclosures"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  Defer processing of REQ_PREEMPT requests for blocked devices
  be2iscsi: Fix kernel panic when device initialization fails
  enclosure: fix WARN_ON removing an adapter in multi-path devices
2015-04-10 17:41:47 -07:00
Linus Torvalds 49850a147c Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
 "Just a few small fixes:

  Two from Andy, the first addresses a v4.0 target specific regression
  to a user visible configfs attribute, and the second adds a set of
  missing brackets around IPv6 discovery portal information within
  iscsi-target.

  And one from Mike that fixes an OOPs regression in traditional
  iscsi-target when an iovec allocation fails, that has been present
  since v3.10.y code.  (CC'd to stable)"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  iscsi target: fix oops when adding reject pdu
  iscsi-target: TargetAddress in SendTargets should bracket ipv6 addresses
  target: Allow userspace to write 1 to attrib/emulate_fua_write
2015-04-10 16:56:40 -07:00
Mike Christie b815fc12d4 iscsi target: fix oops when adding reject pdu
This fixes a oops due to a double list add when adding a reject PDU for
iscsit_allocate_iovecs allocation failures. The cmd has already been
added to the conn_cmd_list in iscsit_setup_scsi_cmd, so this has us call
iscsit_reject_cmd.

Note that for ERL0 the reject PDU is not actually sent, so this patch
is not completely tested. Just verified we do not oops. The problem is the
add reject functions return -1 which is returned all the way up to
iscsi_target_rx_thread which for ERL0 will drop the connection.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-04-10 12:33:55 -07:00
Linus Torvalds cfc4957b46 sound fixes for 4.0
Here are fixes gathered for 4.0-final; one FireFire endian fix, two
 USB-audio quirks, and three HD-audio quirks.
 
 All relatively small and device-specific fixes, should be pretty safe
 to apply.
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Merge tag 'sound-4.0' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Here are fixes gathered for 4.0-final; one FireFire endian fix, two
  USB-audio quirks, and three HD-audio quirks.

  All relatively small and device-specific fixes, should be pretty safe
  to apply"

* tag 'sound-4.0' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: usb - Creative USB X-Fi Pro SB1095 volume knob support
  ALSA: hda - Fix headphone pin config for Lifebook T731
  ALSA: bebob: fix to processing in big-endian machine for sending cue
  ALSA: hda/realtek - Make more stable to get pin sense for ALC283
  ALSA: usb-audio: don't try to get Benchmark DAC1 sample rate
  ALSA: hda/realtek - Support Dell headset mode for ALC256
2015-04-10 11:16:54 -07:00
Linus Torvalds 6fb805fb10 nios2 fixes for v4.0-final
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Merge tag 'nios2-fixes-v4.0-final' of git://git.rocketboards.org/linux-socfpga-next

Pull arch/nios2 fixes from Ley Foon Tan:
 "There are 3 arch/nios2 fixes for 4.0 final:

   - fix cache coherency issue when debugging with gdb

   - move restart_block to struct task_struct (aligned with other
     architectures)

   - fix for missing registers defines for ptrace"

* tag 'nios2-fixes-v4.0-final' of git://git.rocketboards.org/linux-socfpga-next:
  nios2: fix cache coherency issue when debug with gdb
  nios2: add missing ptrace registers defines
  nios2: signal: Move restart_block to struct task_struct
2015-04-10 10:51:34 -07:00
Ley Foon Tan 4a89c3088f nios2: fix cache coherency issue when debug with gdb
Remove the end address checking for flushda function. We need to flush
each address line for flushda instruction, from start to end address.
This is because flushda instruction only flush the cache if tag and line
fields are matched.

Change to use ldwio instruction (bypass cache) to load the instruction
that causing trap. Our interest is the actual instruction that executed
by the processor, this should be uncached.
Note, EA address might be an userspace cached address.


Signed-off-by: Ley Foon Tan <lftan@altera.com>
2015-04-10 11:10:08 +08:00
Linus Torvalds e5e02de066 Power management and ACPI fixes for v4.0-rc8
- Revert a 3.17 hibernate commit that was supposed to fix an issue
    related to e820 reserved regions, but broke resume from hibernation
    on Lenovo x230 (Rafael J Wysocki).
 
  - Prevent the ACPI cpuidle driver from overwriting the name and
    description of the C0 state set by the core when the list of
    C-states changes (Thomas Schlichter).
 
  - Remove the no longer needed state_count field from struct cpuidle_device
    which prevents the list of C-states shown by the sysfs interface from
    becoming incorrect when the current number of them is different from
    the number of C-states on boot (Bartlomiej Zolnierkiewicz).
 
  - The cpufreq core updates the policy object of the only online CPU
    during system resume to make it reflect the current hardware state,
    but it always assumes that CPU to be CPU0 which need not be the
    case, so fix the code to avoid that assumption (Viresh Kumar).
 
 /
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Merge tag 'pm+acpi-4.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "These are stable-candidate fixes of some recently reported issues in
  the cpufreq core, cpuidle core, the ACPI cpuidle driver and the
  hibernate core.

  Specifics:

   - Revert a 3.17 hibernate commit that was supposed to fix an issue
     related to e820 reserved regions, but broke resume from hibernation
     on Lenovo x230 (Rafael J Wysocki).

   - Prevent the ACPI cpuidle driver from overwriting the name and
     description of the C0 state set by the core when the list of
     C-states changes (Thomas Schlichter).

   - Remove the no longer needed state_count field from struct
     cpuidle_device which prevents the list of C-states shown by the
     sysfs interface from becoming incorrect when the current number of
     them is different from the number of C-states on boot (Bartlomiej
     Zolnierkiewicz).

   - The cpufreq core updates the policy object of the only online CPU
     during system resume to make it reflect the current hardware state,
     but it always assumes that CPU to be CPU0 which need not be the
     case, so fix the code to avoid that assumption (Viresh Kumar)"

* tag 'pm+acpi-4.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  Revert "PM / hibernate: avoid unsafe pages in e820 reserved regions"
  cpuidle: ACPI: do not overwrite name and description of C0
  cpuidle: remove state_count field from struct cpuidle_device
  cpufreq: Schedule work for the first-online CPU on resume
2015-04-09 17:44:27 -07:00
Rafael J. Wysocki b2d5fb97d3 Merge branches 'pm-sleep', 'pm-cpufreq' and 'pm-cpuidle'
* pm-sleep:
  Revert "PM / hibernate: avoid unsafe pages in e820 reserved regions"

* pm-cpufreq:
  cpufreq: Schedule work for the first-online CPU on resume

* pm-cpuidle:
  cpuidle: ACPI: do not overwrite name and description of C0
  cpuidle: remove state_count field from struct cpuidle_device
2015-04-09 23:25:23 +02:00
Linus Torvalds 3cfb2f7976 PCI updates for v4.0:
Enumeration
     - Don't look for ACPI hotplug parameters if ACPI is disabled (Bjorn Helgaas)
 
   Resource management
     - Revert "sparc/PCI: Clip bridge windows to fit in upstream windows" (Bjorn Helgaas)
 
   AER
     - Avoid info leak in __print_tlp_header() (Rasmus Villemoes)
 
   PCI device hotplug
     - Add missing curly braces in cpci_configure_slot() (Dan Carpenter)
 
   ST Microelectronics SPEAr13xx host bridge driver
     - Drop __initdata from spear13xx_pcie_driver (Matwey V. Kornilov)
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Merge tag 'pci-v4.0-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "Here are some fixes for v4.0.  I apologize for how late they are.  We
  were hoping for some better fixes, but couldn't get them polished in
  time.  These fix:

   - a Xen domU oops with PCI passthrough devices
   - a sparc T5 boot failure
   - a STM SPEAr13xx crash (use after initdata freed)
   - a cpcihp hotplug driver thinko
   - an AER thinko that printed stack junk

  Details:

  Enumeration
    - Don't look for ACPI hotplug parameters if ACPI is disabled (Bjorn Helgaas)

  Resource management
    - Revert "sparc/PCI: Clip bridge windows to fit in upstream windows" (Bjorn Helgaas)

  AER
    - Avoid info leak in __print_tlp_header() (Rasmus Villemoes)

  PCI device hotplug
    - Add missing curly braces in cpci_configure_slot() (Dan Carpenter)

  ST Microelectronics SPEAr13xx host bridge driver
    - Drop __initdata from spear13xx_pcie_driver (Matwey V. Kornilov)

* tag 'pci-v4.0-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  Revert "sparc/PCI: Clip bridge windows to fit in upstream windows"
  PCI: Don't look for ACPI hotplug parameters if ACPI is disabled
  PCI: cpcihp: Add missing curly braces in cpci_configure_slot()
  PCI/AER: Avoid info leak in __print_tlp_header()
  PCI: spear: Drop __initdata from spear13xx_pcie_driver
2015-04-09 10:17:44 -07:00
Dmitry M. Fedin 3dc8523fa7 ALSA: usb - Creative USB X-Fi Pro SB1095 volume knob support
Adds an entry for Creative USB X-Fi to the rc_config array in
mixer_quirks.c to allow use of volume knob on the device.
Adds support for newer X-Fi Pro card, known as "Model No. SB1095"
with USB ID "041e:3237"

Signed-off-by: Dmitry M. Fedin <dmitry.fedin@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-09 17:20:39 +02:00
Al Viro 64b4e2526d ocfs2: _really_ sync the right range
"ocfs2 syncs the wrong range" had been broken; prior to it the
code was doing the wrong thing in case of O_APPEND, all right,
but _after_ it we were syncing the wrong range in 100% cases.
*ppos, aka iocb->ki_pos is incremented prior to that point,
so we are always doing sync on the area _after_ the one we'd
written to.

Spotted by Joseph Qi <joseph.qi@huawei.com> back in January;
unfortunately, I'd missed his mail back then ;-/

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-04-09 07:18:48 -04:00
Ley Foon Tan e3e29f990c nios2: add missing ptrace registers defines
These are all register available in nios2.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
2015-04-09 18:28:05 +08:00
Linus Torvalds 20624d1796 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Final drm fixes: one core locking imbalance regression, and a bunch of
  i915 baytrail s/r fixes"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: fix drm_mode_getconnector() locking imbalance regression
  drm/i915/vlv: remove wait for previous GFX clk disable request
  drm/i915/chv: Remove Wait for a previous gfx force-off
  drm/i915/vlv: save/restore the power context base reg
2015-04-08 15:12:25 -07:00
Linus Torvalds 9a08da1c8b Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull ceph revert from Sage Weil:
 "This corrects a recent misadventure with __GFP_MEMALLOC and
  PF_MEMALLOC; it turns out it's not a good fit for RBD and we're better
  off relying on dirty page throttling"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  Revert "libceph: use memalloc flags for net IO"
2015-04-08 14:51:56 -07:00