Commit Graph

633882 Commits

Author SHA1 Message Date
Felipe Balbi 8566cd1adf usb: dwc3: gadget: remove redundant trace prints
Removing some trace prints which were made redundant
when we started decoding events and TRBs completely
within their respective trace points.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31 11:15:36 +02:00
Felipe Balbi 45a2af2f2b usb: dwc3: debug: decode control endpoint phase too
DWC3 can tell us which phase of a setup transfer
we're getting into. Let's decode it from the event
to make it easier to debug.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31 11:15:36 +02:00
Felipe Balbi 799e9dc829 usb: dwc3: gadget: conditionally disable Link State change events
Link State Change events are only needed for
debugging and to apply certain workarounds on known
errata. Let's save a few cycles by disabling these
events completely on working revisions of the core.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31 11:15:35 +02:00
Felipe Balbi 15b8d9332b usb: dwc3: gadget: giveback request if we can't kick it
There might be situations where a Start Transfer
command might fail, if that ever happens, instead of
simply removing the request from our list, we should
give the request back to the gadget driver,
otherwise we might eventually starve it from requests.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31 11:15:35 +02:00
Felipe Balbi 8897a761c3 usb: dwc3: gadget: make use of No Response Update Transfer
No Response Update Transfer is a special type of
Update Transfer command which can be used whenever
we're not relying on XferNotReady to prepare
transfers. With this, we don't need to wait for
CMDACT to be cleared and issue further commands to
the endpoint straight away.

Let's start using this version to skip the long-ish
wait.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31 11:15:34 +02:00
Felipe Balbi 5999914f22 usb: dwc3: gadget: properly check ep cmd
The cmd argument we pass to
dwc3_send_gadget_ep_cmd() could contain extra
arguments embedded. When checking for StartTransfer
command, we need to make sure to match only lower 4
bits which contain the actual command and ignore the
rest.

Reported-by: Janusz Dziedzic <januszx.dziedzic@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31 11:15:34 +02:00
Felipe Balbi 6b9018d4c1 usb: dwc3: gadget: set PCM1 field of isochronous-first TRBs
In case of High-Speed, High-Bandwidth endpoints, we
need to tell DWC3 that we have more than one packet
per interval. We do that by setting PCM1 field of
Isochronous-First TRB.

Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31 11:15:34 +02:00
Felipe Balbi eaa496ffaa usb: gadget: composite: always set ep->mult to a sensible value
ep->mult is supposed to be set to Isochronous and
Interrupt Endapoint's multiplier value. This value
is computed from different places depending on the
link speed.

If we're dealing with HighSpeed, then it's part of
bits [12:11] of wMaxPacketSize. This case wasn't
taken into consideration before.

While at that, also make sure the ep->mult defaults
to one so drivers can use it unconditionally and
assume they'll never multiply ep->maxpacket to zero.

Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31 11:15:33 +02:00
Felipe Balbi e8f29bb719 usb: gadget: composite: correctly initialize ep->maxpacket
usb_endpoint_maxp() returns wMaxPacketSize in its
raw form. Without taking into consideration that it
also contains other bits reserved for isochronous
endpoints.

This patch fixes one occasion where this is a
problem by making sure that we initialize
ep->maxpacket only with lower 10 bits of the value
returned by usb_endpoint_maxp(). Note that seperate
patches will be necessary to audit all call sites of
usb_endpoint_maxp() and make sure that
usb_endpoint_maxp() only returns lower 10 bits of
wMaxPacketSize.

Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31 11:15:33 +02:00
Felipe Balbi 541b6fe630 usb: add helper to extract bits 12:11 of wMaxPacketSize
According to USB Specification 2.0 table 9-4,
wMaxPacketSize is a bitfield. Endpoint's maxpacket
is laid out in bits 10:0. For high-speed,
high-bandwidth isochronous endpoints, bits 12:11
contain a multiplier to tell us how many
transactions we want to try per uframe.

This means that if we want an isochronous endpoint
to issue 3 transfers of 1024 bytes per uframe,
wMaxPacketSize should contain the value:

	1024 | (2 << 11)

or 5120 (0x1400). In order to make Host and
Peripheral controller drivers' life easier, we're
adding a helper which returns bits 12:11. Note that
no care is made WRT to checking endpoint type and
gadget's speed. That's left for drivers to handle.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31 11:15:33 +02:00
Linus Torvalds a909d3e636 Linux 4.9-rc3 2016-10-29 13:52:02 -07:00
Linus Torvalds 42fd2b5006 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 bugfix from Thomas Gleixner:
 "A single bugfix for the recent changes related to registering the boot
  cpu when this has not happened before prefill_possible_map().

  The main problem with this change got fixed already, but we missed the
  case where the local APIC is not yet mapped, when prefill_possible_map()
  is invoked, so the registration of the boot cpu which has the APIC bit
  set in CPUID will explode.

  I should have seen that issue earlier, but all I can do now is feeling
  embarassed"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/smpboot: Init apic mapping before usage
2016-10-29 13:42:44 -07:00
Linus Torvalds efa563752c This pull request contains fixes for issues in both UBI and UBIFS:
- A regression wrt. overlayfs, introduced in -rc2.
 - An UBI issue, found by Dan Carpenter's static checker.
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Merge tag 'upstream-4.9-rc3' of git://git.infradead.org/linux-ubifs

Pull ubi/ubifs fixes from Richard Weinberger:
 "This contains fixes for issues in both UBI and UBIFS:

   - A regression wrt overlayfs, introduced in -rc2.
   - An UBI issue, found by Dan Carpenter's static checker"

* tag 'upstream-4.9-rc3' of git://git.infradead.org/linux-ubifs:
  ubifs: Fix regression in ubifs_readdir()
  ubi: fastmap: Fix add_vol() return value test in ubi_attach_fastmap()
2016-10-29 13:15:24 -07:00
Linus Torvalds 2674235fd4 ARM: SoC fixes
We haven't seen a whole lot of fixes for the first two weeks since the merge
 window, but here is the batch that we have at the moment.
 
 Nothing sticks out as particularly bad or scary, it's mostly a handful of
 smaller fixes to several platforms. The Uniphier reset controller changes
 could probably have been delayed to 4.10, but they're not scary and just
 plumbing up driver changes that went in during the merge window.
 
 We're also adding another maintainer to Marvell Berlin platforms, to help
 out when Sebastian is too busy. Yay teamwork!
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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:
 "We haven't seen a whole lot of fixes for the first two weeks since the
  merge window, but here is the batch that we have at the moment.

  Nothing sticks out as particularly bad or scary, it's mostly a handful
  of smaller fixes to several platforms. The Uniphier reset controller
  changes could probably have been delayed to 4.10, but they're not
  scary and just plumbing up driver changes that went in during the
  merge window.

  We're also adding another maintainer to Marvell Berlin platforms, to
  help out when Sebastian is too busy. Yay teamwork!"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: imx: mach-imx6q: Fix the PHY ID mask for AR8031
  ARM: dts: vf610: fix IRQ flag of global timer
  ARM: imx: gpc: Fix the imx_gpc_genpd_init() error path
  ARM: imx: gpc: Initialize all power domains
  arm64: dts: Updated NAND DT properties for NS2 SVK
  arm64: dts: uniphier: change MIO node to SD control node
  ARM: dts: uniphier: change MIO node to SD control node
  reset: uniphier: rename MIO reset to SD reset for Pro5, PXs2, LD20 SoCs
  arm64: uniphier: select ARCH_HAS_RESET_CONTROLLER
  ARM: uniphier: select ARCH_HAS_RESET_CONTROLLER
  arm64: dts: Add timer erratum property for LS2080A and LS1043A
  arm64: dts: rockchip: remove the abuse of keep-power-in-suspend
  ARM: multi_v7_defconfig: Enable Intel e1000e driver
  MAINTAINERS: add myself as Marvell berlin SoC maintainer
  bus: qcom-ebi2: depend on ARCH_QCOM or COMPILE_TEST
  ARM: dts: fix the SD card on the Snowball
  arm64: dts: rockchip: remove always-on and boot-on from vcc_sd
  arm64: dts: marvell: fix clocksource for CP110 master SPI0
  ARM: mvebu: Select corediv clk for all mvebu v7 SoC
2016-10-29 12:07:29 -07:00
Linus Torvalds 2a290036a1 Char/Misc driver fixes for 4.9-rc3
Here are a few small char/misc driver fixes for reported issues.  The
 "biggest" are two binder fixes for reported issues that have been
 shipping in Android phones for a while now, the others are various fixes
 for reported problems.
 
 And there's a MAINTAINERS update for good measure.
 
 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 'char-misc-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are a few small char/misc driver fixes for reported issues.

  The "biggest" are two binder fixes for reported issues that have been
  shipping in Android phones for a while now, the others are various
  fixes for reported problems.

  And there's a MAINTAINERS update for good measure.

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

* tag 'char-misc-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  MAINTAINERS: Add entry for genwqe driver
  VMCI: Doorbell create and destroy fixes
  GenWQE: Fix bad page access during abort of resource allocation
  vme: vme_get_size potentially returning incorrect value on failure
  extcon: qcom-spmi-misc: Sync the extcon state on interrupt
  hv: do not lose pending heartbeat vmbus packets
  mei: txe: don't clean an unprocessed interrupt cause.
  ANDROID: binder: Clear binder and cookie when setting handle in flat binder struct
  ANDROID: binder: Add strong ref checks
2016-10-29 11:19:02 -07:00
Olof Johansson b70e8beb09 Correct regulator handling on Rockchip arm64 boards to make
bind/unbind calls work correctly and remove a sdio-only
 property from non-sdio mmc hosts, that accidentially was
 added there.
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Merge tag 'v4.9-rockchip-dts64-fixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes

Correct regulator handling on Rockchip arm64 boards to make
bind/unbind calls work correctly and remove a sdio-only
property from non-sdio mmc hosts, that accidentially was
added there.

* tag 'v4.9-rockchip-dts64-fixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  arm64: dts: rockchip: remove the abuse of keep-power-in-suspend
  arm64: dts: rockchip: remove always-on and boot-on from vcc_sd

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-10-29 11:09:37 -07:00
Olof Johansson bb70e53e92 This pull request contains a single fix for Broadcom ARM64-based SoCs:
- Ray adds the required bus width and OOB sector size properties to the
   Northstar 2 SVK reference board in order for the NAND controller to work
   properly
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Merge tag 'arm-soc/for-4.9/devicetree-arm64-fixes' of http://github.com/Broadcom/stblinux into fixes

This pull request contains a single fix for Broadcom ARM64-based SoCs:

- Ray adds the required bus width and OOB sector size properties to the
  Northstar 2 SVK reference board in order for the NAND controller to work
  properly

* tag 'arm-soc/for-4.9/devicetree-arm64-fixes' of http://github.com/Broadcom/stblinux:
  arm64: dts: Updated NAND DT properties for NS2 SVK

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-10-29 11:09:11 -07:00
Olof Johansson fbaff059c2 The i.MX fixes for 4.9:
- A couple of patches from Fabio to fix the GPC power domain regression
    which is caused by PM Domain core change 0159ec6707
    ("PM / Domains: Verify the PM domain is present when adding a
    provider"), and a related kernel crash seen with multi_v7_defconfig
    build.
  - Correct the PHY ID mask for AR8031 to match phy driver code.
  - Apply new added timer erratum A008585 for LS1043A and LS2080A SoC.
  - Correct vf610 global timer IRQ flag to avoid warning from gic driver
    after commit 992345a58e ("irqchip/gic: WARN if setting the
    interrupt type for a PPI fails").
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Merge tag 'imx-fixes-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

The i.MX fixes for 4.9:
 - A couple of patches from Fabio to fix the GPC power domain regression
   which is caused by PM Domain core change 0159ec6707
   ("PM / Domains: Verify the PM domain is present when adding a
   provider"), and a related kernel crash seen with multi_v7_defconfig
   build.
 - Correct the PHY ID mask for AR8031 to match phy driver code.
 - Apply new added timer erratum A008585 for LS1043A and LS2080A SoC.
 - Correct vf610 global timer IRQ flag to avoid warning from gic driver
   after commit 992345a58e ("irqchip/gic: WARN if setting the
   interrupt type for a PPI fails").

* tag 'imx-fixes-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx: mach-imx6q: Fix the PHY ID mask for AR8031
  ARM: dts: vf610: fix IRQ flag of global timer
  ARM: imx: gpc: Fix the imx_gpc_genpd_init() error path
  ARM: imx: gpc: Initialize all power domains
  arm64: dts: Add timer erratum property for LS2080A and LS1043A

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-10-29 11:08:50 -07:00
Olof Johansson 10e15a639c UniPhier ARM SoC fixes for v4.9
- Add "select ARCH_HAS_RESET_CONTROLLER" in Kconfig
 - Rename wrongly-named mioctrl to sdctrl
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Merge tag 'uniphier-fixes-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier into fixes

UniPhier ARM SoC fixes for v4.9

- Add "select ARCH_HAS_RESET_CONTROLLER" in Kconfig
- Rename wrongly-named mioctrl to sdctrl

* tag 'uniphier-fixes-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier:
  arm64: dts: uniphier: change MIO node to SD control node
  ARM: dts: uniphier: change MIO node to SD control node
  reset: uniphier: rename MIO reset to SD reset for Pro5, PXs2, LD20 SoCs
  arm64: uniphier: select ARCH_HAS_RESET_CONTROLLER
  ARM: uniphier: select ARCH_HAS_RESET_CONTROLLER

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-10-29 11:05:49 -07:00
Linus Torvalds c636e176d8 driver core fixes for 4.9-rc3
Here are two small driver core / kernfs fixes for 4.9-rc3.  One makes
 the Kconfig entry for DEBUG_TEST_DRIVER_REMOVE a bit more explicit that
 this is a crazy thing to enable for a distro kernel (thanks for trying
 Fedora!), the other resolves an issue with vim opening kernfs files
 (sysfs, configfs, etc.).
 
 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-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are two small driver core / kernfs fixes for 4.9-rc3.

  One makes the Kconfig entry for DEBUG_TEST_DRIVER_REMOVE a bit more
  explicit that this is a crazy thing to enable for a distro kernel
  (thanks for trying Fedora!), the other resolves an issue with vim
  opening kernfs files (sysfs, configfs, etc.)

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

* tag 'driver-core-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  driver core: Make Kconfig text for DEBUG_TEST_DRIVER_REMOVE stronger
  kernfs: Add noop_fsync to supported kernfs_file_fops
2016-10-29 10:57:40 -07:00
Linus Torvalds db4a57e6d7 Staging/IIO driver fixes for 4.9-rc3
Here are some small staging and iio driver fixes for reported issues for
 4.9-rc3.  Nothing major, the "largest" being a lustre fix for a sysfs
 file that was obviously wrong, and had never been tested, so it was
 moved to debugfs as that is where it belongs.  The others are small bug
 fixes for reported issues with various staging or iio drivers.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging and IIO driver fixes from Greg KH:
 "Here are some small staging and iio driver fixes for reported issues
  for 4.9-rc3. Nothing major, the "largest" being a lustre fix for a
  sysfs file that was obviously wrong, and had never been tested, so it
  was moved to debugfs as that is where it belongs. The others are small
  bug fixes for reported issues with various staging or iio drivers.

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

* tag 'staging-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  greybus: fix a leak on error in gb_module_create()
  greybus: es2: fix error return code in ap_probe()
  greybus: arche-platform: Add missing of_node_put() in arche_platform_change_state()
  staging: android: ion: Fix error handling in ion_query_heaps()
  iio: accel: sca3000_core: avoid potentially uninitialized variable
  iio:chemical:atlas-ph-sensor: Fix use of 32 bit int to hold 16 bit big endian value
  staging/lustre/llite: Move unstable_stats from sysfs to debugfs
  Staging: wilc1000: Fix kernel Oops on opening the device
  staging: android/ion: testing the wrong variable
  Staging: greybus: uart: Use gbphy_dev->dev instead of bundle->dev
  Staging: greybus: gpio: Use gbphy_dev->dev instead of bundle->dev
  iio: adc: ti-adc081c: Select IIO_TRIGGERED_BUFFER to prevent build errors
  iio: maxim_thermocouple: Align 16 bit big endian value of raw reads
2016-10-29 10:20:59 -07:00
Linus Torvalds 37cc6bb8f2 tty/serial driver fixes for 4.9-rc3
Here are a number of small tty and serial driver fixes for reported
 issues for 4.9-rc3.  Nothing major, but they do resolve a bunch of
 problems with the tty core changes that are in 4.9-rc1, and finally the
 atmel serial driver is back working properly.
 
 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 'tty-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are a number of small tty and serial driver fixes for reported
  issues for 4.9-rc3. Nothing major, but they do resolve a bunch of
  problems with the tty core changes that are in 4.9-rc1, and finally
  the atmel serial driver is back working properly.

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

* tag 'tty-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: serial_core: fix NULL struct tty pointer access in uart_write_wakeup
  tty: serial_core: Fix serial console crash on port shutdown
  tty/serial: at91: fix hardware handshake on Atmel platforms
  vt: clear selection before resizing
  sc16is7xx: always write state when configuring GPIO as an output
  sh-sci: document R8A7743/5 support
  tty: serial: 8250: 8250_core: NXP SC16C2552 workaround
  tty: limit terminal size to 4M chars
  tty: serial: fsl_lpuart: Fix Tx DMA edge case
  serial: 8250_lpss: enable MSI for sure
  serial: core: fix console problems on uart_close
  serial: 8250_uniphier: fix clearing divisor latch access bit
  serial: 8250_uniphier: fix more unterminated string
  serial: pch_uart: add terminate entry for dmi_system_id tables
  devicetree: bindings: uart: Add new compatible string for ZynqMP
  serial: xuartps: Add new compatible string for ZynqMP
  serial: SERIAL_STM32 should depend on HAS_DMA
  serial: stm32: Fix comparisons with undefined register
  tty: vt, fix bogus division in csi_J
2016-10-29 10:17:52 -07:00
Linus Torvalds 9af6f26a1a USB fixes for 4.9-rc3
Here are a number of small USB driver fixes for 4.9-rc3.  There is the
 usual number of gadget and xhci patches in here to resolved reported
 issues, as well as some usb-serial driver fixes and new device ids.
 
 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-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of small USB driver fixes for 4.9-rc3.

  There is the usual number of gadget and xhci patches in here to
  resolved reported issues, as well as some usb-serial driver fixes and
  new device ids.

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

* tag 'usb-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
  usb: chipidea: host: fix NULL ptr dereference during shutdown
  usb: renesas_usbhs: add wait after initialization for R-Car Gen3
  usb: increase ohci watchdog delay to 275 msec
  usb: musb: Call pm_runtime from musb_gadget_queue
  usb: musb: Fix hardirq-safe hardirq-unsafe lock order error
  usb: ehci-platform: increase EHCI_MAX_RSTS to 4
  usb: ohci-at91: Set RemoteWakeupConnected bit explicitly.
  USB: serial: fix potential NULL-dereference at probe
  xhci: use default USB_RESUME_TIMEOUT when resuming ports.
  xhci: workaround for hosts missing CAS bit
  xhci: add restart quirk for Intel Wildcatpoint PCH
  USB: serial: cp210x: fix tiocmget error handling
  wusb: fix error return code in wusb_prf()
  Revert "Documentation: devicetree: dwc2: Deprecate g-tx-fifo-size"
  Revert "usb: dwc2: gadget: fix TX FIFO size and address initialization"
  Revert "usb: dwc2: gadget: change variable name to more meaningful"
  USB: serial: ftdi_sio: add support for Infineon TriBoard TC2X7
  wusb: Stop using the stack for sg crypto scratch space
  usb: dwc3: Fix size used in dma_free_coherent()
  usb: gadget: f_fs: stop sleeping in ffs_func_eps_disable
  ...
2016-10-29 10:07:59 -07:00
Thomas Gleixner 1e90a13d0c x86/smpboot: Init apic mapping before usage
The recent changes, which forced the registration of the boot cpu on UP
systems, which do not have ACPI tables, have been fixed for systems w/o
local APIC, but left a wreckage for systems which have neither ACPI nor
mptables, but the CPU has an APIC, e.g. virtualbox.

The boot process crashes in prefill_possible_map() as it wants to register
the boot cpu, which needs to access the local apic, but the local APIC is
not yet mapped.

There is no reason why init_apic_mapping() can't be invoked before
prefill_possible_map(). So instead of playing another silly early mapping
game, as the ACPI/mptables code does, we just move init_apic_mapping()
before the call to prefill_possible_map().

In hindsight, I should have noticed that combination earlier.

Sorry for the churn (also in stable)!

Fixes: ff8560512b ("x86/boot/smp: Don't try to poke disabled/non-existent APIC")
Reported-and-debugged-by: Michal Necasek <michal.necasek@oracle.com>
Reported-and-tested-by: Wolfgang Bauer <wbauer@tmo.at>
Cc: prarit@redhat.com
Cc: ville.syrjala@linux.intel.com
Cc: michael.thayer@oracle.com
Cc: knut.osmundsen@oracle.com
Cc: frank.mehnert@oracle.com
Cc: Borislav Petkov <bp@alien8.de>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1610282114380.5053@nanos
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-10-29 14:00:46 +02:00
Linus Torvalds c067affcd3 ACPI fixes for v4.9-rc3
Specifics:
 
  - Fix three ACPICA issues related to the interpreter locking and
    introduced by recent changes in that area (Lv Zheng).
 
  - Fix a PCI IRQ management regression introduced during the 4.7
    cycle and related to the configuration of shared IRQs on systems
    with an ISA bus (Sinan Kaya).
 
  - Fix up a return value of one function in the APEI code (Punit
    Agrawal).
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Merge tag 'acpi-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fixes from Rafael Wysocki:
 "These fix recent ACPICA regressions, an older PCI IRQ management
  regression, and an incorrect return value of a function in the APEI
  code.

  Specifics:

   - Fix three ACPICA issues related to the interpreter locking and
     introduced by recent changes in that area (Lv Zheng).

   - Fix a PCI IRQ management regression introduced during the 4.7 cycle
     and related to the configuration of shared IRQs on systems with an
     ISA bus (Sinan Kaya).

   - Fix up a return value of one function in the APEI code (Punit
     Agrawal)"

* tag 'acpi-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
  ACPICA: Dispatcher: Fix an unbalanced lock exit path in acpi_ds_auto_serialize_method()
  ACPICA: Dispatcher: Fix order issue of method termination
  ACPI / APEI: Fix incorrect return value of ghes_proc()
  ACPI/PCI: pci_link: Include PIRQ_PENALTY_PCI_USING for ISA IRQs
  ACPI/PCI: pci_link: penalize SCI correctly
  ACPI/PCI/IRQ: assign ISA IRQ directly during early boot stages
2016-10-28 18:34:19 -07:00
Linus Torvalds b546e0c289 Power management fixes for v4.9-rc3
Specifics:
 
  - Fix a missing KERN_CONT in a system suspend message by converting
    the affected code to using pr_info() and pr_cont() instead of the
    "raw" printk() (Jon Hunter).
 
  - Make intel_pstate set the CPU P-state from its .set_policy()
    callback when the scaling_governor sysfs attribute is set to
    "performance" so that it interacts with NOHZ_FULL more
    predictably which was the case before 4.7 (Rafael Wysocki).
 
  - Make intel_pstate always request the maximum allowed P-state when
    the scaling_governor sysfs attribute is set to "performance" to
    prevent it from effectively ingoring that setting is some
    situations (Rafael Wysocki).
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Merge tag 'pm-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix two intel_pstate issues related to the way it works when the
  scaling_governor sysfs attribute is set to "performance" and fix up
  messages in the system suspend core code.

  Specifics:

   - Fix a missing KERN_CONT in a system suspend message by converting
     the affected code to using pr_info() and pr_cont() instead of the
     "raw" printk() (Jon Hunter).

   - Make intel_pstate set the CPU P-state from its .set_policy()
     callback when the scaling_governor sysfs attribute is set to
     "performance" so that it interacts with NOHZ_FULL more predictably
     which was the case before 4.7 (Rafael Wysocki).

   - Make intel_pstate always request the maximum allowed P-state when
     the scaling_governor sysfs attribute is set to "performance" to
     prevent it from effectively ingoring that setting is some
     situations (Rafael Wysocki)"

* tag 'pm-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: intel_pstate: Always set max P-state in performance mode
  PM / suspend: Fix missing KERN_CONT for suspend message
  cpufreq: intel_pstate: Set P-state upfront in performance mode
2016-10-28 18:29:13 -07:00
Linus Torvalds 1308fd75e5 ARC updates for 4.9-rc4
- supporting IDU intc for UP builds
 
 - Support gz, lzma compressed uImage [Daniel Mentz]
 
 - Adjust /proc/cpuinfo for non-continuous cpu ids [Noam Camus]
 
 - syscall for userspace cmpxchg assist for configs lacking hardware atomics
 
 - rework of boot log printing mainly for identifying older arc700 cores
 
 - retiring some old code, build toggles
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Merge tag 'arc-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC updates from Vineet Gupta:

 - support IDU intc for UP builds

 - support gz, lzma compressed uImage [Daniel Mentz]

 - adjust /proc/cpuinfo for non-continuous cpu ids [Noam Camus]

 - syscall for userspace cmpxchg assist for configs lacking hardware atomics

 - rework of boot log printing mainly for identifying older arc700 cores

 - retiring some old code, build toggles

* tag 'arc-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: module: print pretty section names
  ARC: module: elide loop to save reference to .eh_frame
  ARC: mm: retire ARC_DBG_TLB_MISS_COUNT...
  ARC: build: retire old toggles
  ARC: boot log: refactor cpu name/release printing
  ARC: boot log: remove awkward space comma from MMU line
  ARC: boot log: don't assume SWAPE instruction support
  ARC: boot log: refactor printing abt features not captured in BCRs
  ARCv2: boot log: print IOC exists as well as enabled status
  ARCv2: IOC: use @ioc_enable not @ioc_exist where intended
  ARC: syscall for userspace cmpxchg assist
  ARC: fix build warning in elf.h
  ARC: Adjust cpuinfo for non-continuous cpu ids
  ARC: [build] Support gz, lzma compressed uImage
  ARCv2: intc: untangle SMP, MCIP and IDU
2016-10-28 17:02:58 -07:00
Rafael J. Wysocki 21e2d9d529 Merge branches 'acpica-fixes', 'acpi-pci-fixes' and 'acpi-apei-fixes'
* acpica-fixes:
  ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
  ACPICA: Dispatcher: Fix an unbalanced lock exit path in acpi_ds_auto_serialize_method()
  ACPICA: Dispatcher: Fix order issue of method termination

* acpi-pci-fixes:
  ACPI/PCI: pci_link: Include PIRQ_PENALTY_PCI_USING for ISA IRQs
  ACPI/PCI: pci_link: penalize SCI correctly
  ACPI/PCI/IRQ: assign ISA IRQ directly during early boot stages

* acpi-apei-fixes:
  ACPI / APEI: Fix incorrect return value of ghes_proc()
2016-10-29 01:58:03 +02:00
Lv Zheng 8633db6b02 ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
In the code path of acpi_ev_initialize_region(), there is namespace
modification code unlocked. This patch tunes the code to make sure
such modification are always locked.

Fixes: 74f51b80a0 (ACPICA: Namespace: Fix dynamic table loading issues)
Tested-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-10-29 01:57:43 +02:00
Lv Zheng 8121aa26e3 ACPICA: Dispatcher: Fix an unbalanced lock exit path in acpi_ds_auto_serialize_method()
There is a lock unbalanced exit path in acpi_ds_initialize_method(),
this patch corrects it.

Fixes: 441ad11d07 (ACPICA: Dispatcher: Fix a mutex issue for method auto serialization)
Tested-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-10-29 01:57:43 +02:00
Lv Zheng 25ccd2429f ACPICA: Dispatcher: Fix order issue of method termination
The last step of the method termination should be the end of the method
serialization. Otherwise, the steps happening after it will face the race
issues that cannot be protected by the method serialization mechanism.

This patch fixes this issue by moving the per-method-object deletion code
prior than the end of the method serialization. Otherwise, the possible
race issues may result in AE_ALREADY_EXISTS error in a parallel
environment.

Fixes: 74f51b80a0 (ACPICA: Namespace: Fix dynamic table loading issues)
Reported-and-tested-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-10-29 01:57:43 +02:00
Linus Torvalds 6fcc8cea82 powerpc fixes for 4.9 #4
Fixes marked for stable:
  - Convert cmp to cmpd in idle enter sequence (Segher Boessenkool)
  - cxl: Fix leaking pid refs in some error paths (Vaibhav Jain)
  - Re-fix race condition between going idle and entering guest (Paul Mackerras)
  - Fix race condition in setting lock bit in idle/wakeup code (Paul Mackerras)
  - radix: Use tlbiel only if we ever ran on the current cpu (Aneesh Kumar K.V)
  - relocation, register save fixes for system reset interrupt (Nicholas Piggin)
 
 Fixes for code merged this cycle:
  - Fix CONFIG_ALIVEC typo in restore_tm_state() (Valentin Rothberg)
  - KVM: PPC: Book3S HV: Fix build error when SMP=n (Michael Ellerman)
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Merge tag 'powerpc-4.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "Fixes marked for stable:
   - Convert cmp to cmpd in idle enter sequence (Segher Boessenkool)
   - cxl: Fix leaking pid refs in some error paths (Vaibhav Jain)
   - Re-fix race condition between going idle and entering guest (Paul Mackerras)
   - Fix race condition in setting lock bit in idle/wakeup code (Paul Mackerras)
   - radix: Use tlbiel only if we ever ran on the current cpu (Aneesh Kumar K.V)
   - relocation, register save fixes for system reset interrupt (Nicholas Piggin)

  Fixes for code merged this cycle:
   - Fix CONFIG_ALIVEC typo in restore_tm_state() (Valentin Rothberg)
   - KVM: PPC: Book3S HV: Fix build error when SMP=n (Michael Ellerman)"

* tag 'powerpc-4.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s: relocation, register save fixes for system reset interrupt
  powerpc/mm/radix: Use tlbiel only if we ever ran on the current cpu
  powerpc/process: Fix CONFIG_ALIVEC typo in restore_tm_state()
  powerpc/64: Fix race condition in setting lock bit in idle/wakeup code
  powerpc/64: Re-fix race condition between going idle and entering guest
  cxl: Fix leaking pid refs in some error paths
  powerpc: Convert cmp to cmpd in idle enter sequence
  KVM: PPC: Book3S HV: Fix build error when SMP=n
2016-10-28 16:52:28 -07:00
Rafael J. Wysocki 8b2ada27dc Merge branches 'pm-cpufreq-fixes' and 'pm-sleep-fixes'
* pm-cpufreq-fixes:
  cpufreq: intel_pstate: Always set max P-state in performance mode
  cpufreq: intel_pstate: Set P-state upfront in performance mode

* pm-sleep-fixes:
  PM / suspend: Fix missing KERN_CONT for suspend message
2016-10-29 01:29:17 +02:00
Linus Torvalds b49c3170bf Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Misc kernel fixes: a virtualization environment related fix, an uncore
  PMU driver removal handling fix, a PowerPC fix and new events for
  Knights Landing"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel: Honour the CPUID for number of fixed counters in hypervisors
  perf/powerpc: Don't call perf_event_disable() from atomic context
  perf/core: Protect PMU device removal with a 'pmu_bus_running' check, to fix CONFIG_DEBUG_TEST_DRIVER_REMOVE=y kernel panic
  perf/x86/intel/cstate: Add C-state residency events for Knights Landing
2016-10-28 16:27:16 -07:00
Linus Torvalds ed99d3673e Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
 "A build fix, a NULL de-reference found by static analysis, a misuse of
  the percpu_ref_exit() (tagged for -stable), and notification of failed
  attempts to clear media errors.

  These patches have received a build success notification from the
  0day- kbuild-robot and appeared in next-20161028"

* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  device-dax: fix percpu_ref_exit ordering
  nvdimm: make CONFIG_NVDIMM_DAX 'bool'
  pmem: report error on clear poison failure
  libnvdimm, namespace: potential NULL deref on allocation error
2016-10-28 11:47:45 -07:00
Linus Torvalds b92d9648ed arm64 fixes:
- Couple of NUMA fixes
 - Thinko in __page_to_voff
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "Three arm64 fixes for -rc3.  They're all pretty straightforward: a
  couple of NUMA issues from the Huawei folks and a thinko in
  __page_to_voff that seems to be benign, but is certainly better off
  fixed.

  Summary:
   - couple of NUMA fixes
   - thinko in __page_to_voff"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: mm: fix __page_to_voff definition
  arm64/numa: fix incorrect log for memory-less node
  arm64/numa: fix pcpu_cpu_distance() to get correct CPU proximity
2016-10-28 11:31:06 -07:00
Linus Torvalds c38c04c630 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "Misc fixes: three build fixes, an unwinder fix and a microcode loader
  fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/microcode/AMD: Fix more fallout from CONFIG_RANDOMIZE_MEMORY=y
  x86: Fix export for mcount and __fentry__
  x86/quirks: Hide maybe-uninitialized warning
  x86/build: Fix build with older GCC versions
  x86/unwind: Fix empty stack dereference in guess unwinder
2016-10-28 11:28:14 -07:00
Linus Torvalds a8006bd915 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
 "Fix four timer locking races: two were noticed by Linus while
  reviewing the code while chasing for a corruption bug, and two
  from fixing spurious USB timeouts"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  timers: Prevent base clock corruption when forwarding
  timers: Prevent base clock rewind when forwarding clock
  timers: Lock base for same bucket optimization
  timers: Plug locking race vs. timer migration
2016-10-28 11:26:01 -07:00
Linus Torvalds 965c4b7e1a Merge branches 'core-urgent-for-linus', 'irq-urgent-for-linus' and 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool, irq and scheduler fixes from Ingo Molnar:
 "One more objtool fixlet for GCC6 code generation patterns, an irq
  DocBook fix and an unused variable warning fix in the scheduler"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Fix rare switch jump table pattern detection

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  doc: Add missing parameter for msi_setup

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Remove unused but set variable 'rq'
2016-10-28 10:12:27 -07:00
Vineet Gupta b75dcd9c7d ARC: module: print pretty section names
Now that we have referece to section name string table in
apply_relocate_add(), use it to

 - print the name of section being relocated
 - print symbol with NULL name (since it refers to a section)

before

| Section to fixup 7000a060
| =========================================================
| rela->r_off | rela->addend | sym->st_value | ADDR | VALUE
| =========================================================
|	1c		0		7000e000  7000a07c 7000e000 []
|	40		0		7000a000  7000a0a0 7000a000 []

after

| Section to fixup .eh_frame @7000a060
| =========================================================
| r_off	r_add	st_value ADDRESS  VALUE
| =========================================================
|    1c	0	7000e000 7000a07c 7000e000 [.init.text]
|    40	0	7000a000 7000a0a0 7000a000 [.exit.text]

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-10-28 10:10:29 -07:00
Vineet Gupta d65283f7b6 ARC: module: elide loop to save reference to .eh_frame
The loop was really needed in .debug_frame regime where wanted make it
as SH_ALLOC so that apply_relocate_add() would process it. That's not
needed for .eh_frame, so we check this in apply_relocate_add() which
gets called for each section.

Note that we need to save reference to "section name strings" section in
module_frob_arch_sections() since apply_relocate_add() doesn't get that

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-10-28 10:10:28 -07:00
Vineet Gupta f644e36888 ARC: mm: retire ARC_DBG_TLB_MISS_COUNT...
... given that we have perf counters abel to do the same thing non
intrusively

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-10-28 10:10:28 -07:00
Vineet Gupta c300547588 ARC: build: retire old toggles
These are really ancient toggles and tools no longer require them to be
passed. This paves way for deprecating them in long run.

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-10-28 10:10:27 -07:00
Vineet Gupta d975cbc8ac ARC: boot log: refactor cpu name/release printing
The motivation is to identify ARC750 vs. ARC770 (we currently print
generic "ARC700").

A given ARC700 release could be 750 or 770, with same ARCNUM (or family
identifier which is unfortunate). The existing arc_cpu_tbl[] kept a single
concatenated string for core name and release which thus doesn't work
for 750 vs. 770 identification.

So split this into 2 tables, one with core names and other with release.
And while we are at it, get rid of the range checking for family numbers.
We just document the known to exist cores running Linux and ditch
others.

With this in place, we add detection of ARC750 which is
 - cores 0x33 and before
 - cores 0x34 and later with MMUv2

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-10-28 10:09:07 -07:00
Vineet Gupta d7c46114e3 ARC: boot log: remove awkward space comma from MMU line
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-10-28 10:09:06 -07:00
Vineet Gupta a024fd9bc4 ARC: boot log: don't assume SWAPE instruction support
This came to light when helping a customer with oldish ARC750 core who
were getting instruction errors because of lack of SWAPE but boot log
was incorrectly printing it as being present

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-10-28 10:09:06 -07:00
Vineet Gupta 73e284d257 ARC: boot log: refactor printing abt features not captured in BCRs
On older arc700 cores, some of the features configured were not present
in Build config registers. To print about them at boot, we just use the
Kconfig option i.e. whether linux is built to use them or not.
So yes this seems bogus, but what else can be done. Moreover if linux is
booting with these enabled, then the Kconfig info is a good indicator
anyways.

Over time these "hacks" accumulated in read_arc_build_cfg_regs() as well
as arc_cpu_mumbojumbo(). so refactor and move all of those in a single
place: read_arc_build_cfg_regs(). This causes some code redcution too:

| bloat-o-meter2 arch/arc/kernel/setup.o.0 arch/arc/kernel/setup.o.1
| add/remove: 0/0 grow/shrink: 2/1 up/down: 64/-132 (-68)
| function                                     old     new   delta
| setup_processor                              610     670     +60
| cpuinfo_arc700                                76      80      +4
| arc_cpu_mumbojumbo                           752     620    -132

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-10-28 10:07:43 -07:00
Linus Torvalds f6167514c8 Merge branch 'for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "My patch fixes the btrfs list_head abuse that we tracked down during
  Dave Jones' memory corruption investigation. With both Jens and my
  patches in place, I'm no longer able to trigger problems.

  Filipe is fixing a difficult old bug between snapshots, balance and
  send. Dave is cooking a few more for the next rc, but these are tested
  and ready"

* 'for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  btrfs: fix races on root_log_ctx lists
  btrfs: fix incremental send failure caused by balance
2016-10-28 10:07:35 -07:00
Vineet Gupta 711c1f2671 ARCv2: boot log: print IOC exists as well as enabled status
Previously we would not print the case when IOC existed but was not
enabled.

And while at it, reduce one line off boot printing by consolidating
the Peripheral address space and IO-Coherency which in a way
applies to them

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-10-28 10:06:48 -07:00
Linus Torvalds 2cd0b50a18 sound fixes for 4.9-rc3
Here contains the usual stuff -- the fixups and quirks for HD-audio
 and USB-audio, in addition to a bad regression fix in ALSA sequencer
 timer since 4.8, and a trivial fix for asihpi PCI driver.
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Merge tag 'sound-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "This contains the usual stuff -- the fixups and quirks for HD-audio
  and USB-audio, in addition to a bad regression fix in ALSA sequencer
  timer since 4.8, and a trivial fix for asihpi PCI driver"

* tag 'sound-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: usb-audio: Add quirk for Syntek STK1160
  ALSA: seq: Fix time account regression
  ALSA: hda - Fix surround output pins for ASRock B150M mobo
  ALSA: hda - Fix headset mic detection problem for two Dell laptops
  ALSA: asihpi: fix kernel memory disclosure
  ALSA: hda - Adding a new group of pin cfg into ALC295 pin quirk table
  ALSA: hda - allow 40 bit DMA mask for NVidia devices
2016-10-28 10:00:44 -07:00