Commit Graph

648251 Commits

Author SHA1 Message Date
Takashi Sakamoto
e4f34cf6d5 Revert "ALSA: firewire-lib: change structure member with proper type"
This reverts commit 6b7e95d133. This commit
is based on a concern about value of the given parameter. It's expected
to be ORed value with some enumeration-constants, thus often it can not be
one of the enumeration-constants. I understood that this is out of
specification and causes implementation-dependent issues.

In C language specification, enumerated type can be interpreted as an
integer type, in which all of enumeration-constants in corresponding
enumerator-list can be stored. Implementations can select one of char,
signed int and unsigned int as its type, and this selection is
implementation-dependent.

In GCC, a signed integer is selected when at least one of
enumeration-constants has negative value, else an unsigned integer is
selected. This behaviour can be switched by -fshort-enums to short type.
Anyway, the type can be decided after scanning all of
enumeration-constants.

Totally, there's no rules to constrain the value of enumerated type to
be one of enumeration-constants. In short, in enumerated type, decision
of actual type for the type is the most important and
enumeration-constants are just used for the decision, thus it's permitted
to have an integer value in a range of enumeration-constants. In our case,
actual type for the type is currently deterministic to be either char or
unsigned int. Under GCC, it's unsigned int.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-01-05 08:39:47 +01:00
Ioan-Adrian Ratiu
13a6c8328e ALSA: usb-audio: test EP_FLAG_RUNNING at urb completion
Testing EP_FLAG_RUNNING in snd_complete_urb() before running the completion
logic allows us to save a few cpu cycles by returning early, skipping the
pending urb in case the stream was stopped; the stop logic handles the urb
and sets the completion callbacks to NULL.

Signed-off-by: Ioan-Adrian Ratiu <adi@adirat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-01-05 07:35:17 +01:00
Ioan-Adrian Ratiu
1d0f953086 ALSA: usb-audio: Fix irq/process data synchronization
Commit 16200948d8 ("ALSA: usb-audio: Fix race at stopping the stream") was
incomplete causing another more severe kernel panic, so it got reverted.
This fixes both the original problem and its fallout kernel race/crash.

The original fix is to move the endpoint member NULL clearing logic inside
wait_clear_urbs() so the irq triggering the urb completion doesn't call
retire_capture/playback_urb() after the NULL clearing and generate a panic.

However this creates a new race between snd_usb_endpoint_start()'s call
to wait_clear_urbs() and the irq urb completion handler which again calls
retire_capture/playback_urb() leading to a new NULL dereference.

We keep the EP deactivation code in snd_usb_endpoint_start() because
removing it will break the EP reference counting (see [1] [2] for info),
however we don't need the "can_sleep" mechanism anymore because a new
function was introduced (snd_usb_endpoint_sync_pending_stop()) which
synchronizes pending stops and gets called inside the pcm prepare callback.

It also makes sense to remove can_sleep because it was also removed from
deactivate_urbs() signature in [3] so we benefit from more simplification.

[1] commit 015618b90 ("ALSA: snd-usb: Fix URB cancellation at stream start")
[2] commit e9ba389c5 ("ALSA: usb-audio: Fix scheduling-while-atomic bug in PCM capture stream")
[3] commit ccc1696d5 ("ALSA: usb-audio: simplify endpoint deactivation code")

Fixes: f8114f8583 ("Revert "ALSA: usb-audio: Fix race at stopping the stream"")

Signed-off-by: Ioan-Adrian Ratiu <adi@adirat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-01-05 07:35:00 +01:00
Linus Torvalds
e02003b515 Contained in this update:
- Fixes for crashes and double-cleanup errors
 - XFS maintainership handover
 - Fix to prevent absurdly large block reservations
 - Fix broken sysfs getter/setters
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Merge tag 'xfs-for-linus-4.10-rc3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Darrick Wong:

 - fixes for crashes and double-cleanup errors

 - XFS maintainership handover

 - fix to prevent absurdly large block reservations

 - fix broken sysfs getter/setters

* tag 'xfs-for-linus-4.10-rc3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: fix max_retries _show and _store functions
  xfs: update MAINTAINERS
  xfs: fix crash and data corruption due to removal of busy COW extents
  xfs: use the actual AG length when reserving blocks
  xfs: fix double-cleanup when CUI recovery fails
2017-01-04 18:33:35 -08:00
Hoan Tran
e11b6293a8 cpufreq: dt: Add support for APM X-Gene 2
Add the compatible string for supporting the generic device tree cpufreq-dt
driver on APM's X-Gene 2 SoC.

Signed-off-by: Hoan Tran <hotran@apm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-01-05 00:27:51 +01:00
Linus Torvalds
4cf184638b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) stmmac_drv_probe() can race with stmmac_open() because we register
    the netdevice too early. Fix from Florian Fainelli.

 2) UFO handling in __ip6_append_data() and ip6_finish_output() use
    different tests for deciding whether a frame will be fragmented or
    not, put them in sync. Fix from Zheng Li.

 3) The rtnetlink getstats handlers need to validate that the netlink
    request is large enough, fix from Mathias Krause.

 4) Use after free in mlx4 driver, from Jack Morgenstein.

 5) Fix setting of garbage UID value in sockets during setattr() calls,
    from Eric Biggers.

 6) Packet drop_monitor doesn't format the netlink messages properly
    such that nlmsg_next fails to work, fix from Reiter Wolfgang.

 7) Fix handling of wildcard addresses in l2tp lookups, from Guillaume
    Nault.

 8) __skb_flow_dissect() can crash on pptp packets, from Ian Kumlien.

 9) IGMP code doesn't reset group query timers properly, from Michal
    Tesar.

10) Fix overzealous MAIN/LOCAL route table combining in ipv4, from
    Alexander Duyck.

11) vxlan offload check needs to be more strict in be2net driver, from
    Sabrina Dubroca.

12) Moving l3mdev to packet hooks lost RX stat counters unintentionally,
    fix from David Ahern.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (52 commits)
  sh_eth: enable RX descriptor word 0 shift on SH7734
  sfc: don't report RX hash keys to ethtool when RSS wasn't enabled
  dpaa_eth: Initialize CGR structure before init
  dpaa_eth: cleanup after init_phy() failure
  net: systemport: Pad packet before inserting TSB
  net: systemport: Utilize skb_put_padto()
  LiquidIO VF: s/select/imply/ for PTP_1588_CLOCK
  libcxgb: fix error check for ip6_route_output()
  net: usb: asix_devices: add .reset_resume for USB PM
  net: vrf: Add missing Rx counters
  drop_monitor: consider inserted data in genlmsg_end
  benet: stricter vxlan offloading check in be_features_check
  ipv4: Do not allow MAIN to be alias for new LOCAL w/ custom rules
  net: macb: Updated resource allocation function calls to new version of API.
  net: stmmac: dwmac-oxnas: use generic pm implementation
  net: stmmac: dwmac-oxnas: fix fixed-link-phydev leaks
  net: stmmac: dwmac-oxnas: fix of-node leak
  Documentation/networking: fix typo in mpls-sysctl
  igmp: Make igmp group member RFC 3376 compliant
  flow_dissector: Update pptp handling to avoid null pointer deref.
  ...
2017-01-04 14:14:53 -08:00
Sergei Shtylyov
71eae1ca77 sh_eth: enable RX descriptor word 0 shift on SH7734
The RX descriptor word 0 on SH7734 has the RFS[9:0] field in bits 16-25
(bits  0-15 usually used for that are occupied by the packet checksum).
Thus  we need to set the 'shift_rd0'  field in the SH7734 SoC data...

Fixes: f0e81fecd4 ("net: sh_eth: Add support SH7734")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 16:12:14 -05:00
Takashi Iwai
c7efff9284 ALSA: hda - Apply asus-mode8 fixup to ASUS X71SL
Although the old quirk table showed ASUS X71SL with ALC663 codec being
compatible with asus-mode3 fixup, the bugzilla reporter explained that
asus-model8 fits better for the dual headphone controls.  So be it.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=191781
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-01-04 21:38:16 +01:00
Paul Gortmaker
c6ef7fd40e vfio-mdev: fix non-standard ioctl return val causing i386 build fail
What appears to be a copy and paste error from the line above gets
the ioctl a ssize_t return value instead of the traditional "int".

The associated sample code used "long" which meant it would compile
for x86-64 but not i386, with the latter failing as follows:

  CC [M]  samples/vfio-mdev/mtty.o
samples/vfio-mdev/mtty.c:1418:20: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
  .ioctl          = mtty_ioctl,
                    ^
samples/vfio-mdev/mtty.c:1418:20: note: (near initialization for ‘mdev_fops.ioctl’)
cc1: some warnings being treated as errors

Since in this case, vfio is working with struct file_operations; as such:

    long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
    long (*compat_ioctl) (struct file *, unsigned int, unsigned long);

...and so here we just standardize on long vs. the normal int that user
space typically sees and documents as per "man ioctl" and similar.

Fixes: 9d1a546c53 ("docs: Sample driver to demonstrate how to use Mediated device framework.")
Cc: Kirti Wankhede <kwankhede@nvidia.com>
Cc: Neo Jia <cjia@nvidia.com>
Cc: kvm@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2017-01-04 13:22:38 -07:00
Edward Cree
4fdda95893 sfc: don't report RX hash keys to ethtool when RSS wasn't enabled
If we failed to set up RSS on EF10 (e.g. because firmware declared
 RX_RSS_LIMITED), ethtool --show-nfc $dev rx-flow-hash ... should report
 no fields, rather than confusingly reporting what fields we _would_ be
 hashing on if RSS was working.

Fixes: dcb4123cbe ("sfc: disable RSS when unsupported")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 14:18:19 -05:00
David S. Miller
aa9773be2a Merge branch 'dpaa_eth-fixes'
Madalin Bucur says:

====================
dpaa_eth: a couple of fixes

Add cleanup on PHY initialization failure path, avoid using
uninitialized memory at CGR init.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 13:45:09 -05:00
Roy Pledge
0fbb0f24dd dpaa_eth: Initialize CGR structure before init
The QBMan CGR options needs to be zeroed before calling the init
function

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 13:45:09 -05:00
Madalin Bucur
3fe61f0940 dpaa_eth: cleanup after init_phy() failure
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 13:45:08 -05:00
David S. Miller
c030af878f Merge branch 'systemport-padding-and-TSB-insertion'
Florian Fainelli says:

====================
net: systemport: Fix padding vs. TSB insertion

This patch series fixes how we pad the packets submitted to the SYSTEMPORT
adapter, and how the transmit status block (prepended 8 bytes) fits in the
picture. The first patch is not technically a bug fix, but is required for the
second path to be applied and to greatly simplify the skb length calculation.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 13:33:30 -05:00
Florian Fainelli
38e5a85562 net: systemport: Pad packet before inserting TSB
Inserting the TSB means adding an extra 8 bytes in front the of packet
that is going to be used as metadata information by the TDMA engine, but
stripped off, so it does not really help with the packet padding.

For some odd packet sizes that fall below the 60 bytes payload (e.g: ARP)
we can end-up padding them after the TSB insertion, thus making them 64
bytes, but with the TDMA stripping off the first 8 bytes, they could
still be smaller than 64 bytes which is required to ingress the switch.

Fix this by swapping the padding and TSB insertion, guaranteeing that
the packets have the right sizes.

Fixes: 80105befdb ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 13:33:29 -05:00
Florian Fainelli
bb7da333d0 net: systemport: Utilize skb_put_padto()
Since we need to pad our packets, utilize skb_put_padto() which
increases skb->len by how much we need to pad, allowing us to eliminate
the test on skb->len right below.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 13:33:28 -05:00
Nicolas Pitre
cd7aeb1f97 LiquidIO VF: s/select/imply/ for PTP_1588_CLOCK
Fix a minor fallout from the merge of the timers and the networking
trees. The following error may result if the PTP_1588_CLOCK
prerequisites are not available:

drivers/built-in.o: In function `ptp_clock_unregister':
(.text+0x40e0a5): undefined reference to `pps_unregister_source'
drivers/built-in.o: In function `ptp_clock_unregister':
(.text+0x40e0cc): undefined reference to `posix_clock_unregister'
drivers/built-in.o: In function `ptp_clock_event':
(.text+0x40e249): undefined reference to `pps_event'
drivers/built-in.o: In function `ptp_clock_register':
(.text+0x40e5e1): undefined reference to `pps_register_source'
drivers/built-in.o: In function `ptp_clock_register':
(.text+0x40e62c): undefined reference to `posix_clock_register'
drivers/built-in.o: In function `ptp_clock_register':
(.text+0x40e68d): undefined reference to `pps_unregister_source'

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 13:27:16 -05:00
Varun Prakash
a9a8cdb368 libcxgb: fix error check for ip6_route_output()
ip6_route_output() never returns NULL so
check dst->error instead of !dst.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 13:25:53 -05:00
Peter Chen
63dfb0dac9 net: usb: asix_devices: add .reset_resume for USB PM
The USB core may call reset_resume when it fails to resume asix device.
And USB core can recovery this abnormal resume at low level driver,
the same .resume at asix driver can work too. Add .reset_resume can
avoid disconnecting after backing from system resume, and NFS can
still be mounted after this commit.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-04 13:03:08 -05:00
Brian Norris
b577fafc43 nvmem: fix nvmem_cell_read() return type doc
nvmem_cell_read() returns void *, not char *. This is a cleanup that got
left out of commit a6c5091250 ("nvmem: Declare nvmem_cell_read()
consistently").

Signed-off-by: Brian Norris <briannorris@chromium.org>
Fixes: a6c5091250 ("nvmem: Declare nvmem_cell_read() consistently")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-01-04 18:22:47 +01:00
Daniel Schultz
14ba972842 nvmem: imx-ocotp: Fix wrong register size
All i.MX6 SoCs have an OCOTP Controller with 4kbit fuses. The i.MX6SL is
an exception and has only 2kbit fuses.

In the TRM for the i.MX6DQ (IMX6QDRM - Rev 2, 06/2014) the fuses size is
described in chapter 46.1.1 with:
"32-bit word restricted program and read to 4Kbits of eFuse OTP(512x8)."

In the TRM for the i.MX6SL (IMX6SLRM - Rev 2, 06/2015) the fuses size is
described in chapter 34.1.1 with:
"32-bit word restricted program and read to 2 kbit of eFuse OTP(128x8)."

Since the Freescale Linux kernel OCOTP driver works with a fuses size of
2 kbit for the i.MX6SL, it looks like the TRM is wrong and the formula
to calculate the correct fuses size has to be 256x8.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-01-04 18:22:47 +01:00
Vivek Gautam
01d0d2c42a nvmem: qfprom: Allow single byte accesses for read/write
The nvmem core driver supports to read and write single
byte. So, allow qfprom to support this feature.
This change helps in extracting a required value based
on bit-offset and number of bits for the required value
in the nvmem cell.

Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-01-04 18:22:47 +01:00
Alexander Usyskin
e09ee853c9 mei: move write cb to completion on credentials failures
The credentials handling was pushed to the write handlers
but error handling wasn't done properly.
Move write callbacks to completion queue to destroy them
and to notify a blocked writer about the failure

Fixes: 136698e535 (mei: push credentials inside the irq write handler)
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>
2017-01-04 18:22:44 +01:00
Alexander Usyskin
5026c9cb07 mei: bus: fix mei_cldev_enable KDoc
Adjust function name in KDoc.

Fixes: d49dc5e76f (mei: bus: use mei_cldev_ prefix for the API functions)
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>
2017-01-04 18:22:43 +01:00
Linus Torvalds
62f8c40592 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block layer fixes from Jens Axboe:
 "A set of fixes for the current series, one fixing a regression with
  block size < page cache size in the alias series from Jan. Outside of
  that, two small cleanups for wbt from Bart, a nvme pull request from
  Christoph, and a few small fixes of documentation updates"

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: fix up io_poll documentation
  block: Avoid that sparse complains about context imbalance in __wbt_wait()
  block: Make wbt_wait() definition consistent with declaration
  clean_bdev_aliases: Prevent cleaning blocks that are not in block range
  genhd: remove dead and duplicated scsi code
  block: add back plugging in __blkdev_direct_IO
  nvmet/fcloop: remove some logically dead code performing redundant ret checks
  nvmet: fix KATO offset in Set Features
  nvme/fc: simplify error handling of nvme_fc_create_hw_io_queues
  nvme/fc: correct some printk information
  nvme/scsi: Remove START STOP emulation
  nvme/pci: Delete misleading queue-wrap comment
  nvme/pci: Fix whitespace problem
  nvme: simplify stripe quirk
  nvme: update maintainers information
2017-01-04 09:03:37 -08:00
Linus Torvalds
9f7445197a fbdev fixes for v4.10-rc2:
- bring fbdev subsystem back into Maintained mode
 - add missing devm_ioremap() error checking to cobalt_lcdfb driver
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Merge tag 'fbdev-v4.10-rc2' of git://github.com/bzolnier/linux

Pull fbdev fixes from Bartlomiej Zolnierkiewicz:

 - bring fbdev subsystem back into Maintained mode

 - add missing devm_ioremap() error checking to cobalt_lcdfb driver

* tag 'fbdev-v4.10-rc2' of git://github.com/bzolnier/linux:
  video: fbdev: cobalt_lcdfb: Handle return NULL error from devm_ioremap
  MAINTAINERS: add myself as maintainer of fbdev
2017-01-04 09:00:57 -08:00
Linus Torvalds
99b9be7763 Small fixes for gcc-plugins when using certain gcc versions:
- Update gcc-common.h for gcc 7 from Emese Revfy.
 - Fix latent_entropy type for early gcc on ARM from PaX Team.
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Merge tag 'gcc-plugins-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull gcc-plugins fixes from Kees Cook:
 "Small fixes for gcc-plugins when using certain gcc versions:

   - update gcc-common.h for gcc 7 (Emese Revfy)

   - fix latent_entropy type for early gcc on ARM (PaX Team)"

* tag 'gcc-plugins-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  gcc-plugins: update gcc-common.h for gcc-7
  latent_entropy: fix ARM build error on earlier gcc
2017-01-04 08:56:05 -08:00
Mark Rutland
9d84fb27fa arm64: restore get_current() optimisation
Commit c02433dd6d ("arm64: split thread_info from task stack")
inverted the relationship between get_current() and
current_thread_info(), with sp_el0 now holding the current task_struct
rather than the current thead_info. The new implementation of
get_current() prevents the compiler from being able to optimize repeated
calls to either, resulting in a noticeable penalty in some
microbenchmarks.

This patch restores the previous optimisation by implementing
get_current() in the same way as our old current_thread_info(), using a
non-volatile asm statement.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2017-01-04 16:26:18 +00:00
Mark Rutland
6ef4fb387d arm64: mm: fix show_pte KERN_CONT fallout
Recent changes made KERN_CONT mandatory for continued lines. In the
absence of KERN_CONT, a newline may be implicit inserted by the core
printk code.

In show_pte, we (erroneously) use printk without KERN_CONT for continued
prints, resulting in output being split across a number of lines, and
not matching the intended output, e.g.

[ff000000000000] *pgd=00000009f511b003
, *pud=00000009f4a80003
, *pmd=0000000000000000

Fix this by using pr_cont() for all the continuations.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2017-01-04 16:25:50 +00:00
Arnd Bergmann
1b9ec81258 This pull request contains fixes for the following issues
1) Fix two instances of infinite loop occurring in
    clock list for DA850. This fixes kernel hangs in some
    instances and so have been marked for stable kernel.
 
 2) Fix for sleeping function called from atomic context
    with USB 2.0 clock management code introduced in v4.10
    merge window.
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Merge tag 'davinci-fixes-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes

Pull "DaVinci fixes for v4.10" from Sekhar Nori:

This pull request contains fixes for the following issues

1) Fix two instances of infinite loop occurring in
   clock list for DA850. This fixes kernel hangs in some
   instances and so have been marked for stable kernel.

2) Fix for sleeping function called from atomic context
   with USB 2.0 clock management code introduced in v4.10
   merge window.

* tag 'davinci-fixes-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: da8xx: Fix sleeping function called from invalid context
  ARM: davinci: Make __clk_{enable,disable} functions public
  ARM: davinci: da850: don't add emac clock to lookup table twice
  ARM: davinci: da850: fix infinite loop in clk_set_rate()
2017-01-04 16:43:00 +01:00
Arnd Bergmann
e9b2aefa88 Amlogic fixes for v4.10
- DT: GXL: fix GPIO include
 - add DT and defconfig for newly merged DRM driver
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Merge tag 'amlogic-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into fixes

Pull "Amlogic fixes for v4.10" from Kevin Hilman:

- DT: GXL: fix GPIO include
- add DT and defconfig for newly merged DRM driver

This pull has one real fix, as a couple non-critical ones.  The DRM
DT/defconfig patches are coming now because I didn't expect the new
driver to make it for the v4.10 merge window, but since it did[1], the
DT and defconfig should go into the same release.

[1] bbbe775ec5 drm: Add support for Amlogic Meson Graphic Controller

* tag 'amlogic-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM64: defconfig: enable DRM_MESON as module
  ARM64: dts: meson-gx: Add Graphic Controller nodes
  ARM64: dts: meson-gxl: fix GPIO include
2017-01-04 16:42:00 +01:00
Arnd Bergmann
5c6ec6a02c PSCI fixes for v4.10
Two minor fixes following the merge of the PSCI checker:
 
 - Annotate the PSCI checker timer on the stack used to wake-up from
   suspend to prevent warnings when the DEBUG_OBJECTS config option
   is enabled
 - Extend the PSCI entry in the maintainers list to also include the
   PSCI checker code
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Merge tag 'psci-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/linux into fixes

Pull "PSCI fixes for v4.10" from Lorenzo Pieralisi:

Two minor fixes following the merge of the PSCI checker:

- Annotate the PSCI checker timer on the stack used to wake-up from
  suspend to prevent warnings when the DEBUG_OBJECTS config option
  is enabled
- Extend the PSCI entry in the maintainers list to also include the
  PSCI checker code

* tag 'psci-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/linux:
  MAINTAINERS: extend PSCI entry to cover the newly add PSCI checker code
  drivers: psci: annotate timer on stack to silence odebug messages
2017-01-04 16:38:39 +01:00
Arnd Bergmann
46db9914c3 ARMv8 Juno/VExpress fixes for v4.10
A simple fix to extend GICv2 CPU interface registers from 4K to 8K
 on AEMv8 FVP/RTSM models in order to support split priority drop and
 interrupt deactivation.
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Merge tag 'juno-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into fixes

Pull "ARMv8 Juno/VExpress fixes for v4.10" from Sudeep Holla:

A simple fix to extend GICv2 CPU interface registers from 4K to 8K
on AEMv8 FVP/RTSM models in order to support split priority drop and
interrupt deactivation.

* tag 'juno-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  arm64: dts: vexpress: Support GICC_DIR operations
2017-01-04 16:37:45 +01:00
Arvind Yadav
e19f32da5d vfio-pci: Handle error from pci_iomap
Here, pci_iomap can fail, handle this case release selected
pci regions and return -ENOMEM.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2017-01-04 08:34:39 -07:00
Arnd Bergmann
f53c1e6464 ARMv7 VExpress fixes for v4.10
A simple fix to extend GICv2 CPU interface registers from 4K to 8K
 on VExpress TC1 and TC2 platforms in order to support split priority
 drop and interrupt deactivation.
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Merge tag 'vexpress-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into fixes

Pull "ARMv7 VExpress fixes for v4.10" from Sudeep Holla:

A simple fix to extend GICv2 CPU interface registers from 4K to 8K
on VExpress TC1 and TC2 platforms in order to support split priority
drop and interrupt deactivation.

* tag 'vexpress-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  ARM: dts: vexpress: Support GICC_DIR operations
2017-01-04 16:33:37 +01:00
Dan Carpenter
d293dbaa54 vfio-mdev: fix some error codes in the sample code
This is just sample code.  We forget to set the error codes in a couple
places.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2017-01-04 08:32:23 -07:00
Arnd Bergmann
43a8df78dc SCPI fix for v4.10
A simple fix for reading only lower 32-bit sensor values on pre-1.0 SCPI
 firmwares so that upper 32-bit (garbage) value is discarded properly.
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Merge tag 'scpi-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into fixes

Pull "SCPI fix for v4.10" from Sudeep Holla:

A simple fix for reading only lower 32-bit sensor values on pre-1.0 SCPI
firmwares so that upper 32-bit (garbage) value is discarded properly.

* tag 'scpi-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_scpi: fix reading sensor values on pre-1.0 SCPI firmwares
2017-01-04 16:18:38 +01:00
Arnd Bergmann
ad040d8df6 i.MX fixes for 4.10:
- A format fix for vf610-zii-dev-rev-b.dts, which has a very odd line
    due to misses a newline.
  - A fix to imx-weim bus error seen on board which doesn't actually use
    the bus.
  - A fix for imx6qdl-nitrogen6x board which has conflicting usage of
    pad NANDF_CS2.
  - A cleanup on i.MX1 machine to remove .map_io callback, which also
    fixes a compiling error for NOMMU build.
  - Fix AVIC base address in i.MX31 device tree source.  The problem was
    shadowed by the AVIC driver, which takes the correct base address
    from a SoC specific header file.
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Merge tag 'imx-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

Pull "i.MX fixes for 4.10" from Shawn Guo:

 - A format fix for vf610-zii-dev-rev-b.dts, which has a very odd line
   due to misses a newline.
 - A fix to imx-weim bus error seen on board which doesn't actually use
   the bus.
 - A fix for imx6qdl-nitrogen6x board which has conflicting usage of
   pad NANDF_CS2.
 - A cleanup on i.MX1 machine to remove .map_io callback, which also
   fixes a compiling error for NOMMU build.
 - Fix AVIC base address in i.MX31 device tree source.  The problem was
   shadowed by the AVIC driver, which takes the correct base address
   from a SoC specific header file.

* tag 'imx-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx6: Disable "weim" node in the dtsi files
  ARM: i.MX: remove map_io callback
  ARM: dts: vf610-zii-dev-rev-b: Add missing newline
  ARM: dts: imx6qdl-nitrogen6x: remove duplicate iomux entry
  ARM: dts: imx31: fix AVIC base address
2017-01-04 16:17:46 +01:00
Arnd Bergmann
fcf14b8889 Qualcomm ARM DTS Fixes for v4.10-rc2
* Add SCM clock for APQ8064 to fix boot failures
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Merge tag 'qcom-arm-fixes-for-4.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into fixes

Pull "Qualcomm ARM DTS Fixes for v4.10-rc2" from Andy Gross:

* Add SCM clock for APQ8064 to fix boot failures

* tag 'qcom-arm-fixes-for-4.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  ARM: dts: qcom: apq8064: Add missing scm clock
2017-01-04 16:17:18 +01:00
Arnd Bergmann
46a3bf8071 Fist set of fixes for omaps for v4.10-rc cycle, mostly
to deal with various regressions noticed during the merge
 window and to fix various device tree configurations for
 boards. Also included is removal of mach-omap2/gpio.c that
 is now dead code with device tree based booting that should
 be OK for the early -rc cycle:
 
 - A series of fixes to add empty chosen node to fix regressions
   caused for bootloaders that don't create chosen node as the
   decompressor needs the chosen node to merge command line and
   ATAGs into it
 
 - Fix missing logicpd-som-lv-37xx-devkit.dtb entry in Makefile
 
 - Fix regression for am437x timers
 
 - Fix wrong strcat for non-NULL terminated string
 
 - A series of changes to fix tps65217 interrupts to not use
   defines as we don't do that for interrupts
 
 - Two patches to fix USB VBUS detection on am57xx-idk and force it
   to peripheral mode until dwc3 role detection is working
 
 - Add missing dra72-evm-tps65917 missing voltage supplies
   accidentally left out of an earlier patch
 
 - Fix n900 eMMC detection when booted on qemu
 
 - Remove unwanted pr_err on failed memory allocation for
   prm_common.c
 
 - Remove legacy mach-omap2/gpio.c that now is dead code
   since we boot mach-omap2 in device tree only mode
 
 - Fix am572x-idk pcie1 by adding the missing gpio reset pin
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Merge tag 'omap-for-v4.10/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Pull "omap fixes for v4.10-rc cycle" from Tony Lindgren:

Fist set of fixes for omaps for v4.10-rc cycle, mostly
to deal with various regressions noticed during the merge
window and to fix various device tree configurations for
boards. Also included is removal of mach-omap2/gpio.c that
is now dead code with device tree based booting that should
be OK for the early -rc cycle:

- A series of fixes to add empty chosen node to fix regressions
  caused for bootloaders that don't create chosen node as the
  decompressor needs the chosen node to merge command line and
  ATAGs into it

- Fix missing logicpd-som-lv-37xx-devkit.dtb entry in Makefile

- Fix regression for am437x timers

- Fix wrong strcat for non-NULL terminated string

- A series of changes to fix tps65217 interrupts to not use
  defines as we don't do that for interrupts

- Two patches to fix USB VBUS detection on am57xx-idk and force it
  to peripheral mode until dwc3 role detection is working

- Add missing dra72-evm-tps65917 missing voltage supplies
  accidentally left out of an earlier patch

- Fix n900 eMMC detection when booted on qemu

- Remove unwanted pr_err on failed memory allocation for
  prm_common.c

- Remove legacy mach-omap2/gpio.c that now is dead code
  since we boot mach-omap2 in device tree only mode

- Fix am572x-idk pcie1 by adding the missing gpio reset pin

* tag 'omap-for-v4.10/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (23 commits)
  ARM: dts: am572x-idk: Add gpios property to control PCIE_RESETn
  ARM: OMAP2+: PRM: Delete an error message for a failed memory allocation
  ARM: dts: n900: Mark eMMC slot with no-sdio and no-sd flags
  ARM: dts: dra72-evm-tps65917: Add voltage supplies to usb_phy, mmc, dss
  ARM: dts: am57xx-idk: Put USB2 port in peripheral mode
  ARM: dts: am57xx-idk: Support VBUS detection on USB2 port
  dt-bindings: input: Specify the interrupt number of TPS65217 power button
  dt-bindings: power/supply: Update TPS65217 properties
  dt-bindings: mfd: Remove TPS65217 interrupts
  ARM: dts: am335x: Fix the interrupt name of TPS65217
  ARM: omap2+: fixing wrong strcat for Non-NULL terminated string
  ARM: omap2+: am437x: rollback to use omap3_gptimer_timer_init()
  ARM: dts: omap3: Add DTS for Logic PD SOM-LV 37xx Dev Kit
  ARM: dts: dra7: Add an empty chosen node to top level DTSI
  ARM: dts: dm816x: Add an empty chosen node to top level DTSI
  ARM: dts: dm814x: Add an empty chosen node to top level DTSI
  ARM: dts: am4372: Add an empty chosen node to top level DTSI
  ARM: dts: am33xx: Add an empty chosen node to top level DTSI
  ARM: dts: omap5: Add an empty chosen node to top level DTSI
  ARM: dts: omap4: Add an empty chosen node to top level DTSI
  ...
2017-01-04 16:14:25 +01:00
Arnd Bergmann
d4032ccc40 Samsung mach/soc update for v4.10:
1. Minor cleanup in smp_operations.
 2. Another step in switching s3c24xx to new DMA API.
 3. Drop fixed requirement for HZ=200 on Samsung platforms.
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Merge tag 'samsung-soc-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into fixes

Samsung mach/soc update for v4.10:

1. Minor cleanup in smp_operations.
2. Another step in switching s3c24xx to new DMA API.
3. Drop fixed requirement for HZ=200 on Samsung platforms.

* tag 'samsung-soc-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: Drop fixed 200 Hz timer requirement from Samsung platforms
  ARM: S3C24XX: Add DMA slave maps for remaining s3c24xx SoCs
  ARM: EXYNOS: Remove smp_init_cpus hook from platsmp.c
2017-01-04 16:12:17 +01:00
Arnd Bergmann
cb2cc43681 Qualcomm ARM64 Fixes for v4.10-rc1
* Fix instability in MSM8996 due to incorrect carveouts
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Merge tag 'qcom-fixes-for-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into fixes

Qualcomm ARM64 Fixes for v4.10-rc1

* Fix instability in MSM8996 due to incorrect carveouts

* tag 'qcom-fixes-for-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  arm64: dts: msm8996: Add required memory carveouts
2017-01-04 16:10:38 +01:00
Arnd Bergmann
84cc8ca1fd Renesas ARM Based SoC Fixes for v4.10
* Provide sd0_uhs node
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Merge tag 'renesas-fixes-for-v4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

Renesas ARM Based SoC Fixes for v4.10

* Provide sd0_uhs node

* tag 'renesas-fixes-for-v4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  arm64: dts: h3ulcb: Provide sd0_uhs node
2017-01-04 16:08:28 +01:00
Huang Rui
432abf68a7 iommu/amd: Fix the left value check of cmd buffer
The generic command buffer entry is 128 bits (16 bytes), so the offset
of tail and head pointer should be 16 bytes aligned and increased with
0x10 per command.

When cmd buf is full, head = (tail + 0x10) % CMD_BUFFER_SIZE.

So when left space of cmd buf should be able to store only two
command, we should be issued one COMPLETE_WAIT additionally to wait
all older commands completed. Then the left space should be increased
after IOMMU fetching from cmd buf.

So left check value should be left <= 0x20 (two commands).

Signed-off-by: Huang Rui <ray.huang@amd.com>
Fixes: ac0ea6e92b ('x86/amd-iommu: Improve handling of full command buffer')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2017-01-04 15:22:22 +01:00
Jacob Pan
65ca7f5f7d iommu/vt-d: Fix pasid table size encoding
Different encodings are used to represent supported PASID bits
and number of PASID table entries.
The current code assigns ecap_pss directly to extended context
table entry PTS which is wrong and could result in writing
non-zero bits to the reserved fields. IOMMU fault reason
11 will be reported when reserved bits are nonzero.
This patch converts ecap_pss to extend context entry pts encoding
based on VT-d spec. Chapter 9.4 as follows:
 - number of PASID bits = ecap_pss + 1
 - number of PASID table entries = 2^(pts + 5)
Software assigned limit of pasid_max value is also respected to
match the allocation limitation of PASID table.

cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
cc: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Tested-by: Mika Kuoppala <mika.kuoppala@intel.com>
Fixes: 2f26e0a9c9 ('iommu/vt-d: Add basic SVM PASID support')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2017-01-04 15:18:57 +01:00
Xunlei Pang
aec0e86172 iommu/vt-d: Flush old iommu caches for kdump when the device gets context mapped
We met the DMAR fault both on hpsa P420i and P421 SmartArray controllers
under kdump, it can be steadily reproduced on several different machines,
the dmesg log is like:
HP HPSA Driver (v 3.4.16-0)
hpsa 0000:02:00.0: using doorbell to reset controller
hpsa 0000:02:00.0: board ready after hard reset.
hpsa 0000:02:00.0: Waiting for controller to respond to no-op
DMAR: Setting identity map for device 0000:02:00.0 [0xe8000 - 0xe8fff]
DMAR: Setting identity map for device 0000:02:00.0 [0xf4000 - 0xf4fff]
DMAR: Setting identity map for device 0000:02:00.0 [0xbdf6e000 - 0xbdf6efff]
DMAR: Setting identity map for device 0000:02:00.0 [0xbdf6f000 - 0xbdf7efff]
DMAR: Setting identity map for device 0000:02:00.0 [0xbdf7f000 - 0xbdf82fff]
DMAR: Setting identity map for device 0000:02:00.0 [0xbdf83000 - 0xbdf84fff]
DMAR: DRHD: handling fault status reg 2
DMAR: [DMA Read] Request device [02:00.0] fault addr fffff000 [fault reason 06] PTE Read access is not set
hpsa 0000:02:00.0: controller message 03:00 timed out
hpsa 0000:02:00.0: no-op failed; re-trying

After some debugging, we found that the fault addr is from DMA initiated at
the driver probe stage after reset(not in-flight DMA), and the corresponding
pte entry value is correct, the fault is likely due to the old iommu caches
of the in-flight DMA before it.

Thus we need to flush the old cache after context mapping is setup for the
device, where the device is supposed to finish reset at its driver probe
stage and no in-flight DMA exists hereafter.

I'm not sure if the hardware is responsible for invalidating all the related
caches allocated in the iommu hardware before, but seems not the case for hpsa,
actually many device drivers have problems in properly resetting the hardware.
Anyway flushing (again) by software in kdump kernel when the device gets context
mapped which is a quite infrequent operation does little harm.

With this patch, the problematic machine can survive the kdump tests.

CC: Myron Stowe <myron.stowe@gmail.com>
CC: Joseph Szczypek <jszczype@redhat.com>
CC: Don Brace <don.brace@microsemi.com>
CC: Baoquan He <bhe@redhat.com>
CC: Dave Young <dyoung@redhat.com>
Fixes: 091d42e43d ("iommu/vt-d: Copy translation tables from old kernel")
Fixes: dbcd861f25 ("iommu/vt-d: Do not re-use domain-ids from the old kernel")
Fixes: cf484d0e69 ("iommu/vt-d: Mark copied context entries")
Signed-off-by: Xunlei Pang <xlpang@redhat.com>
Tested-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2017-01-04 15:14:04 +01:00
Arvind Yadav
4dcd19bfab video: fbdev: cobalt_lcdfb: Handle return NULL error from devm_ioremap
Here, If devm_ioremap will fail. It will return NULL.
Kernel can run into a NULL-pointer dereference.
This error check will avoid NULL pointer dereference.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Yoichi Yuasa <yuasa@linux-mips.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2017-01-04 12:58:45 +01:00
Bartlomiej Zolnierkiewicz
04f6152d9f MAINTAINERS: add myself as maintainer of fbdev
I would like to help with fbdev maintenance.  I can dedicate some time
for reviewing and handling patches but won't have time for much more.

The subsystem will remain in maintenance mode (no new drivers will be
added to it).

Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2017-01-04 12:58:44 +01:00
Takashi Iwai
85bcf96cab ALSA: hda - Fix up GPIO for ASUS ROG Ranger
ASUS ROG Ranger VIII with ALC1150 codec requires the extra GPIO pin to
up for the front panel.  Just use the existing fixup for setting up
the GPIO pins.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=189411
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-01-04 11:26:19 +01:00
Johan Hovold
ef079936d3 USB: serial: ti_usb_3410_5052: fix NULL-deref at open
Fix NULL-pointer dereference in open() should a malicious device lack
the expected endpoints:

Unable to handle kernel NULL pointer dereference at virtual address 00000030
..
[<bf06a6b0>] (ti_open [ti_usb_3410_5052]) from [<bf02e118>] (serial_port_activate+0x68/0x98 [usbserial])

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
2017-01-04 10:43:57 +01:00