Commit Graph

815968 Commits

Author SHA1 Message Date
Kailang Yang
82aa0d7e09 ALSA: hda/realtek - Fix typo for ALC225 model
Fix typo for model alc255-dell1 to alc225-dell1.

Enable headset mode support for new WYSE NB platform.

Fixes: a26d96c780 ("ALSA: hda/realtek - Comprehensive model list for ALC259 & co")
Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-01-14 11:06:09 +01:00
Dan Carpenter
df28169e15 usb: gadget: Potential NULL dereference on allocation error
The source_sink_alloc_func() function is supposed to return error
pointers on error.  The function is called from usb_get_function() which
doesn't check for NULL returns so it would result in an Oops.

Of course, in the current kernel, small allocations always succeed so
this doesn't affect runtime.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2019-01-14 10:29:55 +02:00
Zeng Tao
88b1bb1f3b usb: dwc3: gadget: Fix the uninitialized link_state when udc starts
Currently the link_state is uninitialized and the default value is 0(U0)
before the first time we start the udc, and after we start the udc then
 stop the udc, the link_state will be undefined.
We may have the following warnings if we start the udc again with
an undefined link_state:

WARNING: CPU: 0 PID: 327 at drivers/usb/dwc3/gadget.c:294 dwc3_send_gadget_ep_cmd+0x304/0x308
dwc3 100e0000.hidwc3_0: wakeup failed --> -22
[...]
Call Trace:
[<c010f270>] (unwind_backtrace) from [<c010b3d8>] (show_stack+0x10/0x14)
[<c010b3d8>] (show_stack) from [<c034a4dc>] (dump_stack+0x84/0x98)
[<c034a4dc>] (dump_stack) from [<c0118000>] (__warn+0xe8/0x100)
[<c0118000>] (__warn) from [<c0118050>](warn_slowpath_fmt+0x38/0x48)
[<c0118050>] (warn_slowpath_fmt) from [<c0442ec0>](dwc3_send_gadget_ep_cmd+0x304/0x308)
[<c0442ec0>] (dwc3_send_gadget_ep_cmd) from [<c0445e68>](dwc3_ep0_start_trans+0x48/0xf4)
[<c0445e68>] (dwc3_ep0_start_trans) from [<c0446750>](dwc3_ep0_out_start+0x64/0x80)
[<c0446750>] (dwc3_ep0_out_start) from [<c04451c0>](__dwc3_gadget_start+0x1e0/0x278)
[<c04451c0>] (__dwc3_gadget_start) from [<c04452e0>](dwc3_gadget_start+0x88/0x10c)
[<c04452e0>] (dwc3_gadget_start) from [<c045ee54>](udc_bind_to_driver+0x88/0xbc)
[<c045ee54>] (udc_bind_to_driver) from [<c045f29c>](usb_gadget_probe_driver+0xf8/0x140)
[<c045f29c>] (usb_gadget_probe_driver) from [<bf005424>](gadget_dev_desc_UDC_store+0xac/0xc4 [libcomposite])
[<bf005424>] (gadget_dev_desc_UDC_store [libcomposite]) from[<c023d8e0>] (configfs_write_file+0xd4/0x160)
[<c023d8e0>] (configfs_write_file) from [<c01d51e8>] (__vfs_write+0x1c/0x114)
[<c01d51e8>] (__vfs_write) from [<c01d5ff4>] (vfs_write+0xa4/0x168)
[<c01d5ff4>] (vfs_write) from [<c01d6d40>] (SyS_write+0x3c/0x90)
[<c01d6d40>] (SyS_write) from [<c0107400>] (ret_fast_syscall+0x0/0x3c)

Signed-off-by: Zeng Tao <prime.zeng@hisilicon.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2019-01-14 10:29:55 +02:00
Jack Pham
bd6742249b usb: dwc3: gadget: Clear req->needs_extra_trb flag on cleanup
OUT endpoint requests may somtimes have this flag set when
preparing to be submitted to HW indicating that there is an
additional TRB chained to the request for alignment purposes.
If that request is removed before the controller can execute the
transfer (e.g. ep_dequeue/ep_disable), the request will not go
through the dwc3_gadget_ep_cleanup_completed_request() handler
and will not have its needs_extra_trb flag cleared when
dwc3_gadget_giveback() is called.  This same request could be
later requeued for a new transfer that does not require an
extra TRB and if it is successfully completed, the cleanup
and TRB reclamation will incorrectly process the additional TRB
which belongs to the next request, and incorrectly advances the
TRB dequeue pointer, thereby messing up calculation of the next
requeust's actual/remaining count when it completes.

The right thing to do here is to ensure that the flag is cleared
before it is given back to the function driver.  A good place
to do that is in dwc3_gadget_del_and_unmap_request().

Fixes: c6267a5163 ("usb: dwc3: gadget: align transfers to wMaxPacketSize")
Cc: stable@vger.kernel.org
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2019-01-14 10:29:55 +02:00
Bo He
01c10880d2 usb: dwc3: gadget: synchronize_irq dwc irq in suspend
We see dwc3 endpoint stopped by unwanted irq during
suspend resume test, which is caused dwc3 ep can't be started
with error "No Resource".

Here, add synchronize_irq before suspend to sync the
pending IRQ handlers complete.

Signed-off-by: Bo He <bo.he@intel.com>
Signed-off-by: Yu Wang <yu.y.wang@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2019-01-14 10:29:42 +02:00
Tom Panfil
fe2bfd0d40 Input: xpad - add support for SteelSeries Stratus Duo
Add support for the SteelSeries Stratus Duo, a wireless Xbox 360
controller. The Stratus Duo ships with a USB dongle to enable wireless
connectivity, but it can also function as a wired controller by connecting
it directly to a PC via USB, hence the need for two USD PIDs. 0x1430 is the
dongle, and 0x1431 is the controller.

Signed-off-by: Tom Panfil <tom@steelseries.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2019-01-13 23:40:14 -08:00
Gerd Hoffmann
b318e3ff7c drm/virtio: drop prime import/export callbacks
Also set prime_handle_to_fd and prime_fd_to_handle to NULL,
so drm will not advertive DRM_PRIME_CAP_{IMPORT,EXPORT} to
userspace.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190110111545.26768-1-kraxel@redhat.com
2019-01-14 08:16:19 +01:00
Gerd Hoffmann
f4c34b1e2a drm/qxl: drop prime import/export callbacks
Also set prime_handle_to_fd and prime_fd_to_handle to NULL,
so drm will not advertive DRM_PRIME_CAP_{IMPORT,EXPORT} to
userspace.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190110081750.11358-1-kraxel@redhat.com
2019-01-14 08:16:18 +01:00
Deepa Dinamani
2e746942eb Input: input_event - provide override for sparc64
The usec part of the timeval is defined as
__kernel_suseconds_t	tv_usec; /* microseconds */

Arnd noticed that sparc64 is the only architecture that defines
__kernel_suseconds_t as int rather than long.

This breaks the current y2038 fix for kernel as we only access and define
the timeval struct for non-kernel use cases.  But, this was hidden by an
another typo in the use of __KERNEL__ qualifier.

Fix the typo, and provide an override for sparc64.

Fixes: 152194fe9c ("Input: extend usable life of event timestamps to 2106 on 32 bit systems")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2019-01-13 22:51:03 -08:00
Colin Xu
ba0a64bcf8 drm/i915/gvt: Allow F_CMD_ACCESS on mmio 0x21f0
The newly updated guest driver could program 0x21f0 via lri and srm,
without F_CMD_ACCESS flag cmd parser will stop parser reset cmd.
0x21f0 applies to BDW, SKL, KBL, BXT and CFL.

Reviewed-by: Yan Zhao <yan.y.zhao@intel.com>
Signed-off-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2019-01-14 12:33:28 +08:00
Masahiro Yamada
bd352a739f kbuild: remove unused baseprereq
Commit eea199b445 ("kbuild: remove unnecessary LEX_PREFIX and
YACC_PREFIX") removed the last users of this macro.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-14 12:19:40 +09:00
Paul Burton
16fd20aa98 kbuild: Disable LD_DEAD_CODE_DATA_ELIMINATION with ftrace & GCC <= 4.7
When building using GCC 4.7 or older, -ffunction-sections & the -pg flag
used by ftrace are incompatible. This causes warnings or build failures
(where -Werror applies) such as the following:

  arch/mips/generic/init.c:
    error: -ffunction-sections disabled; it makes profiling impossible

This used to be taken into account by the ordering of calls to cc-option
from within the top-level Makefile, which was introduced by commit
90ad4052e8 ("kbuild: avoid conflict between -ffunction-sections and
-pg on gcc-4.7"). Unfortunately this was broken when the
CONFIG_LD_DEAD_CODE_DATA_ELIMINATION cc-option check was moved to
Kconfig in commit e85d1d65cd ("kbuild: test dead code/data elimination
support in Kconfig"), because the flags used by this check no longer
include -pg.

Fix this by not allowing CONFIG_LD_DEAD_CODE_DATA_ELIMINATION to be
enabled at the same time as ftrace/CONFIG_FUNCTION_TRACER when building
using GCC 4.7 or older.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Fixes: e85d1d65cd ("kbuild: test dead code/data elimination support in Kconfig")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-14 10:37:09 +09:00
Masahiro Yamada
2648ca1859 kconfig: clean generated *conf-cfg files
I accidentally dropped '*' in the previous renaming patch.

Revive it so that 'make mrproper' can clean the generated files.

Fixes: d86271af64 ("kconfig: rename generated .*conf-cfg to *conf-cfg")
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-14 10:37:09 +09:00
Linus Torvalds
1c7fc5cbc3 Linux 5.0-rc2 2019-01-14 10:41:12 +12:00
Jonathan Neuschäfer
b7285b4253 kernel/sys.c: Clarify that UNAME26 does not generate unique versions anymore
UNAME26 is a mechanism to report Linux's version as 2.6.x, for
compatibility with old/broken software.  Due to the way it is
implemented, it would have to be updated after 5.0, to keep the
resulting versions unique.  Linus Torvalds argued:

 "Do we actually need this?

  I'd rather let it bitrot, and just let it return random versions. It
  will just start again at 2.4.60, won't it?

  Anybody who uses UNAME26 for a 5.x kernel might as well think it's
  still 4.x. The user space is so old that it can't possibly care about
  differences between 4.x and 5.x, can it?

  The only thing that matters is that it shows "2.4.<largeenough>",
  which it will do regardless"

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-01-14 10:38:03 +12:00
Linus Torvalds
dbc3c09b81 ARM: SoC fixes
A bigger batch than I anticipated this week, for two reasons:
 
  - Some fallout on Davinci from board file -> DTB conversion, that also
  includes a few longer-standing fixes (i.e. not recent regressions).
 
  - drivers/reset material that has been in linux-next for a while, but
  didn't get sent to us until now for a variety of reasons (maintainer out
  sick, holidays, etc). There's a functional dependency in there such that
  one platform (Altera's SoCFPGA) won't boot without one of the patches;
  instead of reverting the patch that got merged, I looked at this set
  and decided it was small enough that I'll pick it up anyway. If you
  disagree I can revisit with a smaller set.
 
 That being said, there's also a handful of the usual stuff:
 
  - Fix for a crash on Armada 7K/8K when the kernel touches PSCI-reserved
  memory
  - Fix for PCIe reset on Macchiatobin (Armada 8K development board, what
  this email is sent from in fact :)
  - Enable a few new-merged modules for Amlogic in arm64 defconfig
  - Error path fixes on Integrator
  - Build fix for Renesas and Qualcomm
  - Initialization fix for Renesas RZ/G2E
 
  + A few more fixlets.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A bigger batch than I anticipated this week, for two reasons:

   - Some fallout on Davinci from board file -> DTB conversion, that
     also includes a few longer-standing fixes (i.e. not recent
     regressions).

   - drivers/reset material that has been in linux-next for a while, but
     didn't get sent to us until now for a variety of reasons
     (maintainer out sick, holidays, etc). There's a functional
     dependency in there such that one platform (Altera's SoCFPGA) won't
     boot without one of the patches; instead of reverting the patch
     that got merged, I looked at this set and decided it was small
     enough that I'll pick it up anyway. If you disagree I can revisit
     with a smaller set.

  That being said, there's also a handful of the usual stuff:

   - Fix for a crash on Armada 7K/8K when the kernel touches
     PSCI-reserved memory

   - Fix for PCIe reset on Macchiatobin (Armada 8K development board,
     what this email is sent from in fact :)

   - Enable a few new-merged modules for Amlogic in arm64 defconfig

   - Error path fixes on Integrator

   - Build fix for Renesas and Qualcomm

   - Initialization fix for Renesas RZ/G2E

  .. plus a few more fixlets"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
  ARM: integrator: impd1: use struct_size() in devm_kzalloc()
  qcom-scm: Include <linux/err.h> header
  gpio: pl061: handle failed allocations
  ARM: dts: kirkwood: Fix polarity of GPIO fan lines
  arm64: dts: marvell: mcbin: fix PCIe reset signal
  arm64: dts: marvell: armada-ap806: reserve PSCI area
  ARM: dts: da850-lcdk: Correct the sound card name
  ARM: dts: da850-lcdk: Correct the audio codec regulators
  ARM: dts: da850-evm: Correct the sound card name
  ARM: dts: da850-evm: Correct the audio codec regulators
  ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries
  ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries
  ARM: davinci: dm355-evm: fix label names in GPIO lookup entries
  ARM: davinci: da850-evm: fix label names in GPIO lookup entries
  ARM: davinci: da830-evm: fix label names in GPIO lookup entries
  arm64: defconfig: enable modules for amlogic s400 sound card
  reset: uniphier-glue: Add AHCI reset control support in glue layer
  dt-bindings: reset: uniphier: Add AHCI core reset description
  reset: uniphier-usb3: Rename to reset-uniphier-glue
  dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals
  ...
2019-01-14 10:34:14 +12:00
Julia Lawall
a17ce9960b drm/rockchip: add missing of_node_put
The device node iterators perform an of_node_get on each iteration, so a
jump out of the loop requires an of_node_put.

The semantic patch that fixes this problem is as follows
(http://coccinelle.lip6.fr):

// <smpl>
@@
expression root,e;
local idexpression child;
iterator name for_each_child_of_node;
@@

 for_each_child_of_node(root, child) {
   ... when != of_node_put(child)
       when != e = child
+  of_node_put(child);
?  break;
   ...
}
... when != child
// </smpl>

Fixes: 1f0f015151 ("drm/rockchip: Add support for Rockchip Soc RGB output interface")
Cc: stable@vger.kernel.org
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
[added fixes and cc-stable]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1547369264-24831-4-git-send-email-Julia.Lawall@lip6.fr
2019-01-13 19:20:45 +01:00
Linus Torvalds
6b529fb0a3 for-5.0-rc1-tag
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Merge tag 'for-5.0-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:

 - two regression fixes in clone/dedupe ioctls, the generic check
   callback needs to lock extents properly and wait for io to avoid
   problems with writeback and relocation

 - fix deadlock when using free space tree due to block group creation

 - a recently added check refuses a valid fileystem with seeding device,
   make that work again with a quickfix, proper solution needs more
   intrusive changes

* tag 'for-5.0-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: Use real device structure to verify dev extent
  Btrfs: fix deadlock when using free space tree due to block group creation
  Btrfs: fix race between reflink/dedupe and relocation
  Btrfs: fix race between cloning range ending at eof and writeback
2019-01-14 05:55:51 +12:00
Linus Torvalds
72d657dd21 Driver core fixes for 5.0-rc2
Here is one small sysfs change, and a documentation update for 5.0-rc2
 
 The sysfs change moves from using BUG_ON to WARN_ON, as discussed in an
 email thread on lkml while trying to track down another driver bug.
 sysfs should not be crashing and preventing people from seeing where
 they went wrong.  Now it properly recovers and warns the developer.
 
 The documentation update removes the use of BUS_ATTR() as the kernel is
 moving away from this to use the specific BUS_ATTR_RW() and friends
 instead.  There are pending patches in all of the different subsystems
 to remove the last users of this macro, but for now, don't advertise it
 should be used anymore to keep new ones from being introduced.
 
 Both have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here is one small sysfs change, and a documentation update for 5.0-rc2

  The sysfs change moves from using BUG_ON to WARN_ON, as discussed in
  an email thread on lkml while trying to track down another driver bug.
  sysfs should not be crashing and preventing people from seeing where
  they went wrong. Now it properly recovers and warns the developer.

  The documentation update removes the use of BUS_ATTR() as the kernel
  is moving away from this to use the specific BUS_ATTR_RW() and friends
  instead. There are pending patches in all of the different subsystems
  to remove the last users of this macro, but for now, don't advertise
  it should be used anymore to keep new ones from being introduced.

  Both have been in linux-next with no reported issues"

* tag 'driver-core-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Documentation: driver core: remove use of BUS_ATTR
  sysfs: convert BUG_ON to WARN_ON
2019-01-14 05:51:08 +12:00
Linus Torvalds
f7c1038bc7 Staging driver fixes for 5.0-rc2
Here are some small staging driver fixes for some reported issues.
 
 One reverts a patch that was made to the rtl8723bs driver that turned
 out to not be needed at all as it was a bug in clang.  The others fix up
 some reported issues in the rtl8188eu driver and update the MAINTAINERS
 file to point to Larry for this driver so he can get the bug reports
 easier.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are some small staging driver fixes for some reported issues.

  One reverts a patch that was made to the rtl8723bs driver that turned
  out to not be needed at all as it was a bug in clang. The others fix
  up some reported issues in the rtl8188eu driver and update the
  MAINTAINERS file to point to Larry for this driver so he can get the
  bug reports easier.

  All have been in linux-next with no reported issues"

* tag 'staging-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  Revert "staging: rtl8723bs: Mark ACPI table declaration as used"
  staging: rtl8188eu: Fix module loading from tasklet for WEP encryption
  staging: rtl8188eu: Fix module loading from tasklet for CCMP encryption
  MAINTAINERS: Add entry for staging driver r8188eu
2019-01-14 05:49:35 +12:00
Linus Torvalds
437e878a6c tty/serial fixes for 5.0-rc2
Here are 2 tty and serial fixes for 5.0-rc2 that resolve some reported
 issues.
 
 The first is a simple serial driver fix for a regression that showed up
 in 5.0-rc1.  The second one resolves a number of reported issues with
 the recent tty locking fixes that went into 5.0-rc1.  Lots of people
 have tested the second one and say it resolves their issues.
 
 Both have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are 2 tty and serial fixes for 5.0-rc2 that resolve some reported
  issues.

  The first is a simple serial driver fix for a regression that showed
  up in 5.0-rc1. The second one resolves a number of reported issues
  with the recent tty locking fixes that went into 5.0-rc1. Lots of
  people have tested the second one and say it resolves their issues.

  Both have been in linux-next with no reported issues"

* tag 'tty-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: Don't hold ldisc lock in tty_reopen() if ldisc present
  serial: lantiq: Do not swap register read/writes
2019-01-14 05:47:48 +12:00
Linus Torvalds
1dd8a3f6c6 USB fixes for 5.0-rc2
Here are some small USB driver fixes and quirk updates for 5.0-rc2.
 
 The majority here are some quirks for some storage devices to get them
 to work properly.  There's also a fix here to resolve the reported
 issues with some audio devices that say they are UAC3 compliant, but
 really are not.
 
 And a fix up for the MAINTAINERS file to remove a dead url.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some small USB driver fixes and quirk updates for 5.0-rc2.

  The majority here are some quirks for some storage devices to get them
  to work properly. There's also a fix here to resolve the reported
  issues with some audio devices that say they are UAC3 compliant, but
  really are not.

  And a fix up for the MAINTAINERS file to remove a dead url.

  All have been in linux-next with no reported issues"

* tag 'usb-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: storage: Remove outdated URL from MAINTAINERS
  USB: Add USB_QUIRK_DELAY_CTRL_MSG quirk for Corsair K70 RGB
  usbcore: Select only first configuration for non-UAC3 compliant devices
  USB: storage: add quirk for SMI SM3350
  USB: storage: don't insert sane sense for SPC3+ when bad sense specified
  usb: cdc-acm: send ZLP for Telit 3G Intel based modems
2019-01-14 05:45:28 +12:00
Linus Torvalds
0f9d140a56 a set of cifs/smb3 fixes, 4 for stable, most from Pavel. His patches fix an important set of crediting (flow control) problems, and also two problems in cifs_writepages, ddressing some large i/o and also compounding issues
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Merge tag '5.0-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "A set of cifs/smb3 fixes, 4 for stable, most from Pavel. His patches
  fix an important set of crediting (flow control) problems, and also
  two problems in cifs_writepages, ddressing some large i/o and also
  compounding issues"

* tag '5.0-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update internal module version number
  CIFS: Fix error paths in writeback code
  CIFS: Move credit processing to mid callbacks for SMB3
  CIFS: Fix credits calculation for cancelled requests
  cifs: Fix potential OOB access of lock element array
  cifs: Limit memory used by lock request calls to a page
  cifs: move large array from stack to heap
  CIFS: Do not hide EINTR after sending network packets
  CIFS: Fix credit computation for compounded requests
  CIFS: Do not set credits to 1 if the server didn't grant anything
  CIFS: Fix adjustment of credits for MTU requests
  cifs: Fix a tiny potential memory leak
  cifs: Fix a debug message
2019-01-14 05:43:40 +12:00
Tomas Winkler
f7ee8ead15 mei: me: add denverton innovation engine device IDs
Add the Denverton innovation engine (IE) device ids.
The IE is an ME-like device which provides HW security
offloading.

Cc: <stable@vger.kernel.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-13 15:45:42 +01:00
Alexander Usyskin
173436ba80 mei: me: mark LBG devices as having dma support
The LBG server platform sports DMA support.

Cc: <stable@vger.kernel.org> #v5.0+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-13 15:45:42 +01:00
Tomas Winkler
82e59cbe5f mei: dma: silent the reject message
Not all FW versions support DMA on their first release,
hence it is normal behavior to receive a reject response
upon DMA setup request.
In order to prevent confusion, the DMA setup reject message
is printed only in debug level.

Cc: <stable@vger.kernel.org> #v5.0+
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-13 15:45:42 +01:00
Olof Johansson
465612178b Late reset controller changes for v5.0
This adds missing deassert functionality to the ARC HSDK reset driver,
 fixes some indentation and grammar issues in the kernel docs, adds a
 helper to count the number of resets on a device for the non-DT case
 as well, adds an early reset driver for SoCFPGA and simple reset driver
 support for Stratix10, and generalizes the uniphier USB3 glue layer
 reset to also cover AHCI.
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Merge tag 'reset-for-5.0-rc2' of git://git.pengutronix.de/git/pza/linux into fixes

Late reset controller changes for v5.0

This adds missing deassert functionality to the ARC HSDK reset driver,
fixes some indentation and grammar issues in the kernel docs, adds a
helper to count the number of resets on a device for the non-DT case
as well, adds an early reset driver for SoCFPGA and simple reset driver
support for Stratix10, and generalizes the uniphier USB3 glue layer
reset to also cover AHCI.

* tag 'reset-for-5.0-rc2' of git://git.pengutronix.de/git/pza/linux:
  reset: uniphier-glue: Add AHCI reset control support in glue layer
  dt-bindings: reset: uniphier: Add AHCI core reset description
  reset: uniphier-usb3: Rename to reset-uniphier-glue
  dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals
  ARM: socfpga: dts: document "altr,stratix10-rst-mgr" binding
  reset: socfpga: add an early reset driver for SoCFPGA
  reset: fix null pointer dereference on dev by dev_name
  reset: Add reset_control_get_count()
  reset: Improve reset controller kernel docs
  ARC: HSDK: improve reset driver

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-01-12 22:06:54 -08:00
Olof Johansson
56acb3ef76 mvebu fixes for 5.0
They are all device tree fixes which also worth being in stable:
 
  - Reserve PSCI area on Armada 7K/8K preventing the kernel accessing
    this area and crashing while doing it.
 
  - Use correct PCIe reset signal on MACCHIATOBin  (Armada 8040 based)
 
  - Fix polarity of GPIO fan line D-Link DNS NASes(kikwood based)
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Merge tag 'mvebu-fixes-5.0-1' of git://git.infradead.org/linux-mvebu into fixes

mvebu fixes for 5.0

They are all device tree fixes which also worth being in stable:

 - Reserve PSCI area on Armada 7K/8K preventing the kernel accessing
   this area and crashing while doing it.

 - Use correct PCIe reset signal on MACCHIATOBin  (Armada 8040 based)

 - Fix polarity of GPIO fan line D-Link DNS NASes(kikwood based)

* tag 'mvebu-fixes-5.0-1' of git://git.infradead.org/linux-mvebu:
  ARM: dts: kirkwood: Fix polarity of GPIO fan lines
  arm64: dts: marvell: mcbin: fix PCIe reset signal
  arm64: dts: marvell: armada-ap806: reserve PSCI area

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-01-12 22:03:59 -08:00
Olof Johansson
2ec472edcd Fixes for the Integrator:
- Handle failed allocations in the IM/PC bus attachment.
 - Use struct_size() for allocation.
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Merge tag 'integrator-fixes-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into fixes

Fixes for the Integrator:
- Handle failed allocations in the IM/PC bus attachment.
- Use struct_size() for allocation.

* tag 'integrator-fixes-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
  ARM: integrator: impd1: use struct_size() in devm_kzalloc()
  gpio: pl061: handle failed allocations

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-01-12 22:03:18 -08:00
Olof Johansson
431a8b73de Amlogic DT fixes for v5.0-rc
- arm64: defconfig: enable modules for amlogic s400 sound card
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Merge tag 'amlogic-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into fixes

Amlogic DT fixes for v5.0-rc
- arm64: defconfig: enable modules for amlogic s400 sound card

* tag 'amlogic-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  arm64: defconfig: enable modules for amlogic s400 sound card

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-01-12 22:02:28 -08:00
Olof Johansson
f4f8aa6de3 Qualcomm Driver Fixes for 5.0-rc1
* Add required includes into qcom_scm.h
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Merge tag 'qcom-fixes-for-5.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into fixes

Qualcomm Driver Fixes for 5.0-rc1

* Add required includes into qcom_scm.h

* tag 'qcom-fixes-for-5.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  qcom-scm: Include <linux/err.h> header

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-01-12 22:01:49 -08:00
Olof Johansson
98a5f67311 This pull request fixes some more regressions on legacy
DaVinci board support due to GPIO driver clean-up introduced
 in v4.20 kernel. These are marked for stable.
 
 Also has fixes for some long standing Audio issues on DA850
 boards.
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Merge tag 'davinci-fixes-for-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes

This pull request fixes some more regressions on legacy
DaVinci board support due to GPIO driver clean-up introduced
in v4.20 kernel. These are marked for stable.

Also has fixes for some long standing Audio issues on DA850
boards.

* tag 'davinci-fixes-for-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: dts: da850-lcdk: Correct the sound card name
  ARM: dts: da850-lcdk: Correct the audio codec regulators
  ARM: dts: da850-evm: Correct the sound card name
  ARM: dts: da850-evm: Correct the audio codec regulators
  ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries
  ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries
  ARM: davinci: dm355-evm: fix label names in GPIO lookup entries
  ARM: davinci: da850-evm: fix label names in GPIO lookup entries
  ARM: davinci: da830-evm: fix label names in GPIO lookup entries

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-01-12 22:00:36 -08:00
Olof Johansson
70bf439a94 Renesas ARM Based SoC Fixes for v5.0
Renesas SoCs:
 * Fix build regressions caused by move of Kconfig symbols
 
 RZ/G2E (r8a774c0) SoC:
 * Correct initialization order of 3DG-{A,B} in SYSC driver
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Merge tag 'renesas-fixes-for-v5.0' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

Renesas ARM Based SoC Fixes for v5.0

Renesas SoCs:
* Fix build regressions caused by move of Kconfig symbols

RZ/G2E (r8a774c0) SoC:
* Correct initialization order of 3DG-{A,B} in SYSC driver

* tag 'renesas-fixes-for-v5.0' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: r8a774c0-sysc: Fix initialization order of 3DG-{A,B}
  ARM: shmobile: fix build regressions

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-01-12 21:59:42 -08:00
John Hubbard
e170672040 phy: fix build breakage: add PHY_MODE_SATA
Commit 49e54187ae ("ata: libahci_platform: comply to PHY framework") uses
the PHY_MODE_SATA, but that enum had not yet been added. This caused a
build failure for me, with today's linux.git.

Also, there is a potentially conflicting (mis-named) PHY_MODE_SATA, hiding
in the Marvell Berlin SATA PHY driver.

Fix the build by:

    1) Renaming Marvell's defined value to a more scoped name,
       in order to avoid any potential conflicts: PHY_BERLIN_MODE_SATA.

    2) Adding the missing enum, which was going to be added anyway as part
       of [1].

[1] https://lkml.kernel.org/r/20190108163124.6409-3-miquel.raynal@bootlin.com

Fixes: 49e54187ae ("ata: libahci_platform: comply to PHY framework")

Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Olof Johansson <olof@lixom.net>
Cc: Grzegorz Jaszczyk <jaz@semihalf.com>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-01-12 21:07:14 -08:00
Anson Huang
ba0f456052 ARM: dts: imx6sx: correct backward compatible of gpt
i.MX6SX has same GPT type as i.MX6DL, in GPT driver, it uses
below TIMER_OF_DECLARE, so the backward compatible should be
"fsl,imx6dl-gpt", correct it.

TIMER_OF_DECLARE(imx6sx_timer, "fsl,imx6sx-gpt", imx6dl_timer_init_dt);

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2019-01-13 10:40:22 +08:00
Linus Torvalds
b8c3b8992f for-linus-20190112
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Merge tag 'for-linus-20190112' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe pull request from Christoph, with little fixes all over the map

 - Loop caching fix for offset/bs change (Jaegeuk Kim)

 - Block documentation tweaks (Jeff, Jon, Weiping, John)

 - null_blk zoned tweak (John)

 - ahch mvebu suspend/resume support. Should have gone into the merge
   window, but there was some confusion on which tree had it. (Miquel)

* tag 'for-linus-20190112' of git://git.kernel.dk/linux-block: (22 commits)
  ata: ahci: mvebu: request PHY suspend/resume for Armada 3700
  ata: ahci: mvebu: add Armada 3700 initialization needed for S2RAM
  ata: ahci: mvebu: do Armada 38x configuration only on relevant SoCs
  ata: ahci: mvebu: remove stale comment
  ata: libahci_platform: comply to PHY framework
  loop: drop caches if offset or block_size are changed
  block: fix kerneldoc comment for blk_attempt_plug_merge()
  nvme: don't initlialize ctrl->cntlid twice
  nvme: introduce NVME_QUIRK_IGNORE_DEV_SUBNQN
  nvme: pad fake subsys NQN vid and ssvid with zeros
  nvme-multipath: zero out ANA log buffer
  nvme-fabrics: unset write/poll queues for discovery controllers
  nvme-tcp: don't ask if controller is fabrics
  nvme-tcp: remove dead code
  nvme-pci: fix out of bounds access in nvme_cqe_pending
  nvme-pci: rerun irq setup on IO queue init errors
  nvme-pci: use the same attributes when freeing host_mem_desc_bufs.
  nvme-pci: fix the wrong setting of nr_maps
  block: doc: add slice_idle_us to bfq documentation
  block: clarify documentation for blk_{start|finish}_plug
  ...
2019-01-12 13:40:51 -08:00
Linus Torvalds
66c56cfa64 remove dma_zalloc_coherent
We've always had a weird situation around dma_zalloc_coherent.  To
 safely support mapping the allocations to userspace major architectures
 like x86 and arm have always zeroed allocations from dma_alloc_coherent,
 but a couple other architectures were missing that zeroing either always
 or in corner cases.  Then later we grew anothe dma_zalloc_coherent
 interface to explicitly request zeroing, but that just added __GFP_ZERO
 to the allocation flags, which for some allocators that didn't end
 up using the page allocator ended up being a no-op and still not
 zeroing the allocations.
 
 So for this merge window I fixed up all remaining architectures to zero
 the memory in dma_alloc_coherent, and made dma_zalloc_coherent a no-op
 wrapper around dma_alloc_coherent, which fixes all of the above issues.
 
 dma_zalloc_coherent is now pointless and can go away, and Luis helped
 me writing a cocchinelle script and patch series to kill it, which I
 think we should apply now just after -rc1 to finally settle these
 issue.
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Merge tag 'remove-dma_zalloc_coherent-5.0' of git://git.infradead.org/users/hch/dma-mapping

Pull dma_zalloc_coherent() removal from Christoph Hellwig:
 "We've always had a weird situation around dma_zalloc_coherent. To
  safely support mapping the allocations to userspace major
  architectures like x86 and arm have always zeroed allocations from
  dma_alloc_coherent, but a couple other architectures were missing that
  zeroing either always or in corner cases.

  Then later we grew anothe dma_zalloc_coherent interface to explicitly
  request zeroing, but that just added __GFP_ZERO to the allocation
  flags, which for some allocators that didn't end up using the page
  allocator ended up being a no-op and still not zeroing the
  allocations.

  So for this merge window I fixed up all remaining architectures to
  zero the memory in dma_alloc_coherent, and made dma_zalloc_coherent a
  no-op wrapper around dma_alloc_coherent, which fixes all of the above
  issues.

  dma_zalloc_coherent is now pointless and can go away, and Luis helped
  me writing a cocchinelle script and patch series to kill it, which I
  think we should apply now just after -rc1 to finally settle these
  issue"

* tag 'remove-dma_zalloc_coherent-5.0' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: remove dma_zalloc_coherent()
  cross-tree: phase out dma_zalloc_coherent() on headers
  cross-tree: phase out dma_zalloc_coherent()
2019-01-12 10:52:40 -08:00
David S. Miller
2f960bd056 Merge branch 'bnxt_en-Bug-fixes-for-57500-chips'
Michael Chan says:

====================
bnxt_en: Bug fixes for 57500 chips.

Two small bug fixes for ring checking and context memory allocation
that affect the new 57500 chips.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-12 10:51:39 -08:00
Michael Chan
6ef982dec7 bnxt_en: Fix context memory allocation.
When allocating memory pages for context memory, if the last page table
should be fully populated, the current code will set nr_pages to 0 when
calling bnxt_alloc_ctx_mem_blk().  This will cause the last page table
to be completely blank and causing some RDMA failures.

Fix it by setting the last page table's nr_pages to the remainder only
if it is non-zero.

Fixes: 08fe9d1816 ("bnxt_en: Add Level 2 context memory paging support.")
Reported-by: Eric Davis <eric.davis@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-12 10:51:39 -08:00
Michael Chan
0b815023a1 bnxt_en: Fix ring checking logic on 57500 chips.
In bnxt_hwrm_check_pf_rings(), add the proper flag to test the NQ
resources.  Without the proper flag, the firmware will change
the NQ resource allocation and remap the IRQ, causing missing
IRQs.  This issue shows up when adding MQPRIO TX queues, for example.

Fixes: 36d65be9a8 ("bnxt_en: Disable MSIX before re-reserving NQs/CMPL rings.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-12 10:51:39 -08:00
Linus Torvalds
473348891c KVM fixes for 5.0-rc2
Minor fixes for new code, corner cases, and documentation.
 Patches are isolated and sufficiently described by the shortlog.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Radim Krčmář:
 "Minor fixes for new code, corner cases, and documentation"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  x86/kvm/nVMX: don't skip emulated instruction twice when vmptr address is not backed
  Documentation/virtual/kvm: Update URL for AMD SEV API specification
  KVM/VMX: Avoid return error when flush tlb successfully in the hv_remote_flush_tlb_with_range()
  kvm: sev: Fail KVM_SEV_INIT if already initialized
  KVM: validate userspace input in kvm_clear_dirty_log_protect()
  KVM: x86: Fix bit shifting in update_intel_pt_cfg
2019-01-12 10:39:43 -08:00
Dan Murphy
f214ff521f iio: ti-ads8688: Update buffer allocation for timestamps
Per Jonathan Cameron, the buffer needs to allocate room for a
64 bit timestamp as well as the channels.  Change the buffer
to allocate this additional space.

Fixes: 2a86487786 ("iio: adc: ti-ads8688: add trigger and buffer support")
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-01-12 18:32:28 +00:00
Linus Torvalds
7b5c8f5226 drm-fixes for 5.0-rc2, part 2
nouveau:
 one backlight, falcon register access, and a fan fix.
 
 i915:
 - Disable PSR for Apple panels
 - Broxton ERR_PTR error state fix
 - Kabylake VECS workaround fix
 - Unwind failure on pinning the gen7 ppgtt
 - GVT workload request allocation fix
 
 core:
 - Fix fb-helper to work correctly with SDL 1.2 bugs.
 - Fix lockdep warning in the atomic ioctl and setproperty.
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Merge tag 'drm-fixes-2019-01-11-1' of git://anongit.freedesktop.org/drm/drm

Pull more drm fixes from Daniel Vetter:
 "Dave sends out his pull, everybody remembers holidays are over :-)

  Since Dave's already in weekend mode and it was quite a few patches I
  figured better to apply all the pulls and forward them to you. Hence
  here 2nd part of bugfixes for -rc2.

  nouveau:
   - backlight fix
   - falcon register access fix
   - fan fix.

  i915:
   - Disable PSR for Apple panels
   - Broxton ERR_PTR error state fix
   - Kabylake VECS workaround fix
   - Unwind failure on pinning the gen7 ppgtt
   - GVT workload request allocation fix

  core:
   - Fix fb-helper to work correctly with SDL 1.2 bugs
   - Fix lockdep warning in the atomic ioctl and setproperty"

* tag 'drm-fixes-2019-01-11-1' of git://anongit.freedesktop.org/drm/drm:
  drm/nouveau/falcon: avoid touching registers if engine is off
  drm/nouveau: Don't disable polling in fallback mode
  drm/nouveau: register backlight on pascal and newer
  drm: Fix documentation generation for DP_DPCD_QUIRK_NO_PSR
  drm/i915: init per-engine WAs for all engines
  drm/i915: Unwind failure on pinning the gen7 ppgtt
  drm/i915: Skip the ERR_PTR error state
  drm/i915: Disable PSR in Apple panels
  gpu/drm: Fix lock held when returning to user space.
  drm/fb-helper: Ignore the value of fb_var_screeninfo.pixclock
  drm/fb-helper: Partially bring back workaround for bugs of SDL 1.2
  drm/i915/gvt: Fix workload request allocation before request add
2019-01-12 10:30:43 -08:00
Martin Kelly
b119d3bc32 tools: iio: iio_generic_buffer: make num_loops signed
Currently, num_loops is unsigned, but it's set by strtoll, which returns a
(signed) long long int. This could lead to overflow, and it also makes the
check "num_loops < 0" always be false, since num_loops is unsigned.
Setting num_loops to -1 to loop forever is almost working because num_loops
is getting set to a very high number, but it's technically still incorrect.

Fix this issue by making num_loops signed. This also fixes an error found
by Smatch.

Signed-off-by: Martin Kelly <mkelly@xevo.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 55dda0abcf ("tools: iio: iio_generic_buffer: allow continuous looping")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-01-12 18:17:56 +00:00
Eric W. Biederman
ee17e5d620 signal: Make siginmask safe when passed a signal of 0
Eric Biggers reported:
> The following commit, which went into v4.20, introduced undefined behavior when
> sys_rt_sigqueueinfo() is called with sig=0:
>
> commit 4ce5f9c9e7
> Author: Eric W. Biederman <ebiederm@xmission.com>
> Date:   Tue Sep 25 12:59:31 2018 +0200
>
>     signal: Use a smaller struct siginfo in the kernel
>
> In sig_specific_sicodes(), used from known_siginfo_layout(), the expression
> '1ULL << ((sig)-1)' is undefined as it evaluates to 1ULL << 4294967295.
>
> Reproducer:
>
> #include <signal.h>
> #include <sys/syscall.h>
> #include <unistd.h>
>
> int main(void)
> {
> 	siginfo_t si = { .si_code = 1 };
> 	syscall(__NR_rt_sigqueueinfo, 0, 0, &si);
> }
>
> UBSAN report for v5.0-rc1:
>
> UBSAN: Undefined behaviour in kernel/signal.c:2946:7
> shift exponent 4294967295 is too large for 64-bit type 'long unsigned int'
> CPU: 2 PID: 346 Comm: syz_signal Not tainted 5.0.0-rc1 #25
> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
> Call Trace:
>  __dump_stack lib/dump_stack.c:77 [inline]
>  dump_stack+0x70/0xa5 lib/dump_stack.c:113
>  ubsan_epilogue+0xd/0x40 lib/ubsan.c:159
>  __ubsan_handle_shift_out_of_bounds+0x12c/0x170 lib/ubsan.c:425
>  known_siginfo_layout+0xae/0xe0 kernel/signal.c:2946
>  post_copy_siginfo_from_user kernel/signal.c:3009 [inline]
>  __copy_siginfo_from_user+0x35/0x60 kernel/signal.c:3035
>  __do_sys_rt_sigqueueinfo kernel/signal.c:3553 [inline]
>  __se_sys_rt_sigqueueinfo kernel/signal.c:3549 [inline]
>  __x64_sys_rt_sigqueueinfo+0x31/0x70 kernel/signal.c:3549
>  do_syscall_64+0x4c/0x1b0 arch/x86/entry/common.c:290
>  entry_SYSCALL_64_after_hwframe+0x49/0xbe
> RIP: 0033:0x433639
> Code: c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 27 00 00 c3 66 2e 0f 1f 84 00 00 00 00
> RSP: 002b:00007fffcb289fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000081
> RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000433639
> RDX: 00007fffcb289fd0 RSI: 0000000000000000 RDI: 0000000000000000
> RBP: 00000000006b2018 R08: 000000000000004d R09: 0000000000000000
> R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401560
> R13: 00000000004015f0 R14: 0000000000000000 R15: 0000000000000000

I have looked at the other callers of siginmask and they all appear to
in locations where sig can not be zero.

I have looked at the code generation of adding an extra test against
zero and gcc was able with a simple decrement instruction to combine
the two tests together. So the at most adding this test cost a single
cpu cycle.  In practice that decrement instruction was already present
as part of the mask comparison, so the only change was when the
instruction was executed.

So given that it is cheap, and obviously correct to update siginmask
to verify the signal is not zero.  Fix this issue there to avoid any
future problems.

Reported-by: Eric Biggers <ebiggers@kernel.org>
Fixes: 4ce5f9c9e7 ("signal: Use a smaller struct siginfo in the kernel")
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2019-01-12 11:48:20 -06:00
Hans de Goede
9bcf15f75c iio: adc: axp288: Fix TS-pin handling
Prior to this commit there were 3 issues with our handling of the TS-pin:

1) There are 2 ways how the firmware can disable monitoring of the TS-pin
for designs which do not have a temperature-sensor for the battery:
a) Clearing bit 0 of the AXP20X_ADC_EN1 register
b) Setting bit 2 of the AXP288_ADC_TS_PIN_CTRL monitoring

Prior to this commit we were unconditionally setting both bits to the
value used on devices with a TS. This causes the temperature protection to
kick in on devices without a TS, such as the Jumper ezbook v2, causing
them to not charge under Linux.

This commit fixes this by using regmap_update_bits when updating these 2
registers, leaving the 2 mentioned bits alone.

The next 2 problems are related to our handling of the current-source
for the TS-pin. The current-source used for the battery temp-sensor (TS)
is shared with the GPADC. For proper fuel-gauge and charger operation the
TS current-source needs to be permanently on. But to read the GPADC we
need to temporary switch the TS current-source to ondemand, so that the
GPADC can use it, otherwise we will always read an all 0 value.

2) Problem 2 is we were writing hardcoded values to the ADC TS pin-ctrl
register, overwriting various other unrelated bits. Specifically we were
overwriting the current-source setting for the TS and GPIO0 pins, forcing
it to 80ųA independent of its original setting. On a Chuwi Vi10 tablet
this was causing us to get a too high adc value (due to a too high
current-source) resulting in the following errors being logged:

ACPI Error: AE_ERROR, Returned by Handler for [UserDefinedRegion]
ACPI Error: Method parse/execution failed \_SB.SXP1._TMP, AE_ERROR

This commit fixes this by using regmap_update_bits to change only the
relevant bits.

3) After reading the GPADC channel we were unconditionally enabling the
TS current-source even on devices where the TS-pin is not used and the
current-source thus was off before axp288_adc_read_raw call.

This commit fixes this by making axp288_adc_set_ts a nop on devices where
the ADC is not enabled for the TS-pin.

BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1610545
Fixes: 3091141d78 ("iio: adc: axp288: Fix the GPADC pin ...")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-01-12 17:09:55 +00:00
Matt Ranostay
0808831dc6 iio: chemical: atlas-ph-sensor: correct IIO_TEMP values to millicelsius
IIO_TEMP scale value for temperature was incorrect and not in millicelsius
as required by the ABI documentation.

Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>
Fixes: 27dec00ecf (iio: chemical: add Atlas pH-SM sensor support)
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-01-12 17:06:49 +00:00
Christian Brauner
7fefaadd6a binderfs: handle !CONFIG_IPC_NS builds
kbuild reported a build faile in [1]. This is triggered when CONFIG_IPC_NS
is not set. So let's make the use of init_ipc_ns conditional on
CONFIG_IPC_NS being set.

[1]: https://lists.01.org/pipermail/kbuild-all/2019-January/056903.html

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-12 09:06:48 +01:00
Varun Prakash
9e8f1c7983 scsi: cxgb4i: add wait_for_completion()
In case of ->set_param() and ->bind_conn() cxgb4i driver does not wait for
cmd completion, this can create race conditions, to avoid this add
wait_for_completion().

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-01-11 22:33:49 -05:00
Thomas Bogendoerfer
4a01ab60f5 scsi: qla1280: set 64bit coherent mask
After Commit 54aed4dd35 ("MIPS: IP27: use dma_direct_ops") qla1280 driver
failed on SGI IP27 machines with

qla1280: QLA1040 found on PCI bus 0, dev 0
qla1280 0000:00:00.0: enabling device (0006 -> 0007)
qla1280: Failed to get request memory
qla1280: probe of 0000:00:00.0 failed with error -12

Reason is that SGI IP27 always generates 64bit DMA addresses and has no
fallback mode for 32bit DMA addresses implemented. QLA1280 supports 64bit
addressing for all DMA accesses so setting coherent mask to 64bit fixes the
issue.

Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-01-11 22:30:51 -05:00