Linus Torvalds [Wed, 31 Jul 2013 18:34:56 +0000 (11:34 -0700)]
Merge tag 'xen-arm-3.11-rc2-warn-tag' of git://git./linux/kernel/git/sstabellini/xen
Pull Xen ARM fix from Stefano Stabellini.
Update xen_restart to new calling convention.
* tag 'xen-arm-3.11-rc2-warn-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen:
xen/arm,arm64: update xen_restart after
ff701306cd49 and
7b6d864b48d9
Linus Torvalds [Wed, 31 Jul 2013 18:31:36 +0000 (11:31 -0700)]
Merge tag 'usb-3.11-rc4' of git://git./linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some tiny USB fixes for 3.11-rc4
Nothing major, some gadget fixes, some new device ids, a new tiny
driver for the ANT+ USB device, and a number of fixes for the mos7840
driver that were much needed"
* tag 'usb-3.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: serial: ftdi_sio: add more RT Systems ftdi devices
usb: chipidea: fix the build error with randconfig
usb: chipidea: cast PORTSC_PTS and DEVLC_PTS macros
usb: gadget: udc-core: fix the typo of udc state attribute
usb: gadget: f_phonet: remove unused preprocessor conditional
usb: gadget: multi: fix error return code in cdc_do_config()
USB: mos7840: fix pointer casts
USB: mos7840: fix race in led handling
USB: mos7840: fix device-type detection
USB: mos7840: fix race in register handling
USB: serial: add driver for Suunto ANT+ USB device
usb: gadget: free opts struct on error recovery
usb: gadget: ether: put_usb_function on unbind
usb: musb: fix resource passed from glue layer to musb
Linus Torvalds [Wed, 31 Jul 2013 18:31:06 +0000 (11:31 -0700)]
Merge tag 'tty-3.11-rc4' of git://git./linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are 4 tiny tty and serial driver fixes for 3.11-rc4.
Nothing big, a refcount leak, a module alias fix, and two fixes to the
mxs-auart serial driver"
* tag 'tty-3.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: arc_uart: Fix module alias
tty_port: Fix refcounting leak in tty_port_tty_hangup()
serial/mxs-auart: increase time to wait for transmitter to become idle
serial/mxs-auart: fix race condition in interrupt handler
Linus Torvalds [Tue, 30 Jul 2013 00:08:22 +0000 (17:08 -0700)]
Merge tag 'firewire-fix' of git://git./linux/kernel/git/ieee1394/linux1394
Pull firewire regression fix from Stefan Richter:
"This fixes corrupted video capture, seen with IIDC/DCAM video and
certain buffer settings. (Regression since v3.4 inclusive.)"
* tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: fix libdc1394/FlyCap2 iso event regression
Linus Torvalds [Tue, 30 Jul 2013 00:07:45 +0000 (17:07 -0700)]
Merge tag 'arc-v3.11-fixes' of git://git./linux/kernel/git/vgupta/arc
Pull ARC fix from Vineet Gupta:
"SMP build breakage fix"
* tag 'arc-v3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: SMP build breakage
Rick Farina (Zero_Chaos) [Mon, 29 Jul 2013 19:17:59 +0000 (15:17 -0400)]
USB: serial: ftdi_sio: add more RT Systems ftdi devices
RT Systems makes many usb serial cables based on the ftdi_sio driver for
programming various amateur radios. This patch is a full listing of
their current product offerings and should allow these cables to all
be recognized.
Signed-off-by: Rick Farina (Zero_Chaos) <zerochaos@gentoo.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Peter Chen [Mon, 29 Jul 2013 10:09:57 +0000 (13:09 +0300)]
usb: chipidea: fix the build error with randconfig
Using below configs, the compile will have error:
ERROR: "ehci_init_driver" undefined!
.config:
CONFIG_USB_CHIPIDEA=m
CONFIG_USB_CHIPIDEA_HOST=y
CONFIG_USB_CHIPIDEA_DEBUG=y
The reason is chipidea host uses symbol from ehci, but ehci
is not compiled. Let the chipidea host depend on
ehci even it is built as module.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fabio Estevam [Mon, 29 Jul 2013 10:09:56 +0000 (13:09 +0300)]
usb: chipidea: cast PORTSC_PTS and DEVLC_PTS macros
Fix the following build warnings on x86:
drivers/usb/chipidea/core.c: In function 'hw_phymode_configure':
drivers/usb/chipidea/core.c:226:3: warning: large integer implicitly truncated to unsigned type [-Woverflow]
drivers/usb/chipidea/core.c:230:3: warning: large integer implicitly truncated to unsigned type [-Woverflow]
drivers/usb/chipidea/core.c:243:3: warning: large integer implicitly truncated to unsigned type [-Woverflow]
drivers/usb/chipidea/core.c:246:3: warning: large integer implicitly truncated to unsigned type [-Woverflow]
Reported-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg Kroah-Hartman [Mon, 29 Jul 2013 14:44:52 +0000 (07:44 -0700)]
Merge tag 'fixes-for-v3.11-rc3' of git://git./linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.11-rc3
Here are some fixes for v3.11-rc3. Mostly related to
the recent conversion to configfs done on the gadget
drivers, but we also have a fix for MUSB resources
on platforms which need 3 resources instead of 2, and
a fix for the sysfs_notify() call on udc-core.c which
was notifying an unexistent file.
Rong Wang [Sun, 28 Jul 2013 15:01:35 +0000 (23:01 +0800)]
usb: gadget: udc-core: fix the typo of udc state attribute
The name of udc state attribute file under sysfs is registered as
"state", while usb_gadget_set_state take it as "status" when it's
going to update. This patch fixes the typo.
Signed-off-by: Rong Wang <Rong.Wang@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Cc: <stable@kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Andrzej Pietrasiewicz [Fri, 26 Jul 2013 12:37:14 +0000 (14:37 +0200)]
usb: gadget: f_phonet: remove unused preprocessor conditional
The compatibility layer which the USBF_PHONET_INCLUDED was a part of
is no longer present - the USBF_PHONET_INCLUDED is not #defined by anyone
anymore, so the ifndef is always true. Removing it.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Andrzej Pietrasiewicz [Fri, 26 Jul 2013 12:37:13 +0000 (14:37 +0200)]
usb: gadget: multi: fix error return code in cdc_do_config()
Fix to return a negative error code from the error handling
case instead of 0, as returned elsewhere in this function.
Introduced by commit 59835a (usb: gadget: multi: use
function framework for ACM.)
Make rndis_do_config() consistent with cdc_do_config() in the way it
handles returning the PTR_ERR(f_acm_*).
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Linus Torvalds [Mon, 29 Jul 2013 03:53:33 +0000 (20:53 -0700)]
Linux 3.11-rc3
Linus Torvalds [Mon, 29 Jul 2013 01:19:27 +0000 (18:19 -0700)]
Merge tag 'pinctrl-for-v3.11-2' of git://git./linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Driver fixes for AM33xx, SIRF and PFC pin controllers
- Fix a compile warning from the pinctrl single-register driver
- Fix a little nasty memory leak
* tag 'pinctrl-for-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: fix a memleak when freeing maps
pinctrl: pinctrl-single: fix compile warning when no CONFIG_PM
pinctrl: sh-pfc: fix SDHI0 VccQ regulator on sh73a0 with DT
arm/dts: sirf: fix the pingroup name mismatch between drivers and dts
pinctrl: sirf: add usp0_uart_nostreamctrl pin group for usp-uart without flowctrl
pinctrl: sirf: fix the pin number and mux bit for usp0
pinctrl: am33xx dt binding: correct include path
Linus Torvalds [Mon, 29 Jul 2013 01:10:39 +0000 (18:10 -0700)]
Merge tag 'trace-fixes-3.11-rc2' of git://git./linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Oleg is working on fixing a very tight race between opening a event
file and deleting that event at the same time (both must be done as
root).
I also found a bug while testing Oleg's patches which has to do with a
race with kprobes using the function tracer.
There's also a deadlock fix that was introduced with the previous
fixes"
* tag 'trace-fixes-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Remove locking trace_types_lock from tracing_reset_all_online_cpus()
ftrace: Add check for NULL regs if ops has SAVE_REGS set
tracing: Kill trace_cpu struct/members
tracing: Change tracing_fops/snapshot_fops to rely on tracing_get_cpu()
tracing: Change tracing_entries_fops to rely on tracing_get_cpu()
tracing: Change tracing_stats_fops to rely on tracing_get_cpu()
tracing: Change tracing_buffers_fops to rely on tracing_get_cpu()
tracing: Change tracing_pipe_fops() to rely on tracing_get_cpu()
tracing: Introduce trace_create_cpu_file() and tracing_get_cpu()
Linus Torvalds [Mon, 29 Jul 2013 01:09:34 +0000 (18:09 -0700)]
Merge tag 'scsi-fixes' of git://git./linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is five bug fixes, two of which fix long standing problems
causing crashes (sd and mvsas). The remaining three are hung (isci
race) or lost (qla2xxx, isci) devices"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] isci: fix breakage caused by >16byte CDB patch
[SCSI] mvsas: Fix kernel panic on tile due to unaligned data access
[SCSI] sd: fix crash when UA received on DIF enabled device
[SCSI] qla2xxx: Properly set the tagging for commands.
[SCSI] isci: Fix a race condition in the SSP task management path
Johan Hovold [Sat, 27 Jul 2013 11:34:42 +0000 (13:34 +0200)]
USB: mos7840: fix pointer casts
Silence compiler warnings on 64-bit systems introduced by commit
05cf0dec ("USB: mos7840: fix race in led handling") which uses the
usb-serial data pointer to temporarily store the device type during
probe but failed to add the required casts.
[gregkh - change uintptr_t to unsigned long]
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Clemens Ladisch [Mon, 22 Jul 2013 19:32:09 +0000 (21:32 +0200)]
firewire: fix libdc1394/FlyCap2 iso event regression
Commit
18d627113b83 (firewire: prevent dropping of completed iso packet
header data) was intended to be an obvious bug fix, but libdc1394 and
FlyCap2 depend on the old behaviour by ignoring all returned information
and thus not noticing that not all packets have been received yet. The
result was that the video frame buffers would be saved before they
contained the correct data.
Reintroduce the old behaviour for old clients.
Tested-by: Stepan Salenikovich <stepan.salenikovich@gmail.com>
Tested-by: Josep Bosch <jep250@gmail.com>
Cc: <stable@vger.kernel.org> # 3.4+
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Axel Lin [Sun, 21 Jul 2013 02:14:15 +0000 (10:14 +0800)]
serial: arc_uart: Fix module alias
Platform drivers use "platform:" prefix in module alias.
Also use DRIVER_NAME in MODULE_ALIAS to make module autoloading work.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Gianluca Anzolin [Thu, 25 Jul 2013 05:26:16 +0000 (07:26 +0200)]
tty_port: Fix refcounting leak in tty_port_tty_hangup()
The function tty_port_tty_hangup() could leak a reference to the tty_struct:
struct tty_struct *tty = tty_port_tty_get(port);
if (tty && (!check_clocal || !C_CLOCAL(tty))) {
tty_hangup(tty);
tty_kref_put(tty);
}
If tty != NULL and the second condition is false we never call tty_kref_put and
the reference is leaked.
Fix by always calling tty_kref_put() which accepts a NULL argument.
The patch fixes a regression introduced by commit
aa27a094.
Acked-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Gianluca Anzolin <gianluca@sottospazio.it>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Cc: stable <stable@vger.kernel.org> # 3.10
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Uwe Kleine-König [Fri, 28 Jun 2013 09:49:41 +0000 (11:49 +0200)]
serial/mxs-auart: increase time to wait for transmitter to become idle
Without this patch the driver waits ~1 ms for the UART to become idle. At
115200n8 this time is (theoretically) enough to transfer 11.5 characters
(= 115200 bits/s / (10 Bits/char) * 1ms). As the mxs-auart has a fifo size
of 16 characters the clock is gated too early. The problem is worse for
lower baud rates.
This only happens to really shut down the transmitter in the middle of a
transfer if /dev/ttyAPPx isn't opened in userspace (e.g. by a getty) but
was at least once (because the bootloader doesn't disable the transmitter).
So increase the timeout to 20 ms which should be enough for 9600n8, too.
Moreover skip gating the clock if the timeout is elapsed.
Cc: stable@vger.kernel.org # v2.6.39+
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Uwe Kleine-König [Thu, 4 Jul 2013 09:28:51 +0000 (11:28 +0200)]
serial/mxs-auart: fix race condition in interrupt handler
The handler needs to ack the pending events before actually handling them.
Otherwise a new event might come in after it it considered non-pending or
handled and is acked then without being handled. So this event is only
noticed when the next interrupt happens.
Without this patch an i.MX28 based machine running an rt-patched kernel
regularly hangs during boot.
Cc: stable@vger.kernel.org # v2.6.39+
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Vineet Gupta [Fri, 26 Jul 2013 22:29:40 +0000 (15:29 -0700)]
ARC: SMP build breakage
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Linus Torvalds [Fri, 26 Jul 2013 21:40:10 +0000 (14:40 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"This is just a regular fixes pull apart from the qxl one, it has
radeon and intel bits in it,
The intel fixes are for a regression with the RC6 fix and a 3.10 hdmi
regression, whereas radeon is more DPM fixes, a few lockup fixes and
some rn50/r100 DAC fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon/dpm: fix r600_enable_sclk_control()
drm/radeon/dpm: implement force performance levels for rv6xx
drm/radeon/dpm: fix displaygap programming on rv6xx
drm/radeon/dpm: fix a typo in the rv6xx mclk setup
drm/i915: initialize gt_lock early with other spin locks
drm/i915: fix hdmi portclock limits
drm/radeon: fix combios tables on older cards
drm/radeon: improve dac adjust heuristics for legacy pdac
drm/radeon: Another card with wrong primary dac adj
drm/radeon: fix endian issues with DP handling (v3)
drm/radeon/vm: only align the pt base to 32k
drm/radeon: wait for 3D idle before using CP DMA
Linus Torvalds [Fri, 26 Jul 2013 21:38:50 +0000 (14:38 -0700)]
Merge branch 'qxl-fixes' of git://people.freedesktop.org/~airlied/linux
Pull qxl drm fixes from Dave Airlie:
"Okay as I warned, the qxl driver was running a bit free and loose with
its ttm object reservations and the new lockdep enabled reservation
tracking shone a bright light into it, it also with the new
reservations mutexes hits a possible deadlock during boot.
The first patch is a real fix to render the console correctly as the
driver used to just drop irq renderering as too hard, this also fixes
a sleeping while atomic warning.
The other two patches are the big ugly ones that redo how the driver
allocates objects and reserves them and makes things all work
properly, I've tested this in a VM, and compared to the current code
which hits a lockdep warning and the sleep while atomic warning before
failing.
So sorry this is coming in late, I should have tested qxl before
merging the mutex code, but I'd rather just fix qxl with this than
revert the reservations code at this point"
* 'qxl-fixes' of git://people.freedesktop.org/~airlied/linux:
qxl: convert qxl driver to proper use for reservations
qxl: allow creation of pre-pinned objects and use for releases.
drm/qxl: add delayed fb operations
Linus Torvalds [Fri, 26 Jul 2013 21:37:18 +0000 (14:37 -0700)]
Merge tag 'pm+acpi-3.11-rc3' of git://git./linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These are just two fixes, a revert of the would-be backlight fix that
didn't work and an intel_pstate fix for two problems related to
maximum P-state selection.
Specifics:
- Revert of the ACPI video commit that I hoped would help fix
backlight problems related to Windows 8 compatibility on some
systems. Unfortunately, it turned out to cause problems to happen
too.
- Fix for two problems in intel_pstate, a possible failure to respond
to a load change on a quiet system and a possible failure to select
the highest available P-state on some systems. From Dirk
Brandewie"
* tag 'pm+acpi-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI / video / i915: No ACPI backlight if firmware expects Windows 8"
cpufreq / intel_pstate: Change to scale off of max P-state
Johan Hovold [Fri, 26 Jul 2013 09:55:19 +0000 (11:55 +0200)]
USB: mos7840: fix race in led handling
Fix race in LED handling introduced by commit
0eafe4de ("USB: serial:
mos7840: add support for MCS7810 devices") which reused the port control
urb for manipulating the LED without making sure that the urb is not
already in use. This could lead to the control urb being manipulated
while in flight.
Fix by adding a dedicated LED urb and ctrlrequest along with a LED-busy
flag to handle concurrency.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Fri, 26 Jul 2013 09:55:18 +0000 (11:55 +0200)]
USB: mos7840: fix device-type detection
Fix race in device-type detection introduced by commit
0eafe4de ("USB:
serial: mos7840: add support for MCS7810 devices") which used a static
variable to hold the device type.
Move type detection to probe and use serial data to store the device
type.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Fri, 26 Jul 2013 09:55:17 +0000 (11:55 +0200)]
USB: mos7840: fix race in register handling
Fix race in mos7840_get_reg which unconditionally manipulated the
control urb (which may already be in use) by adding a control-urb busy
flag.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg Kroah-Hartman [Fri, 26 Jul 2013 04:52:29 +0000 (21:52 -0700)]
USB: serial: add driver for Suunto ANT+ USB device
This adds a driver for the Suunto ANT+ USB device, exposing it as a usb
serial device. This lets the userspace "gant" program to talk to the
device to communicate over the ANT+ protocol to any devices it finds.
Reported-by: Steinar Gunderson <sgunderson@bigfoot.com>
Tested-by: Steinar Gunderson <sgunderson@bigfoot.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds [Fri, 26 Jul 2013 19:43:59 +0000 (12:43 -0700)]
Merge tag 'arm64-stable' of git://git./linux/kernel/git/cmarinas/linux-aarch64
Pull arm64 fixes from Catalin Marinas:
- Stack size increased to 16K (similar to other 64-bit architectures)
- Additional cache flushing for secondary CPUs boot mode
* tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
arm64: Change kernel stack size to 16K
arm64: Fix definition of arm_pm_restart to match the declaration
arm64: virt: ensure visibility of __boot_cpu_mode
Linus Torvalds [Fri, 26 Jul 2013 19:42:40 +0000 (12:42 -0700)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"This is a largeish batch of fixes, mostly because I missed -rc2 due to
travel/vacation. So in number these are a bit more than ideal unless
you amortize them over two -rcs.
Quick breakdown:
- Defconfig updates
- Making multi_v7_defconfig useful on more hardware to encourage
single-image usage
- Davinci and nomadik updates due to new code merged this merge
window
- Fixes for UART on Samsung platforms, both PM and clock-related
- A handful of warning fixes from defconfig builds, including for
max8925 backlight and pxamci (both with appropriate acks)
- Exynos5440 fixes for LPAE configuration, PM
- ...plus a bunch of other smaller changes all over the place
I expect to switch to regressions-or-severe-bugs-only fixes from here
on out"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
mfd: max8925: fix dt code for backlight
ARM: omap5: Only select errata 798181 if SMP
ARM: EXYNOS: Update CONFIG_ARCH_NR_GPIO for Exynos
ARM: EXYNOS: Fix low level debug support
ARM: SAMSUNG: Save/restore only selected uart's registers
ARM: SAMSUNG: Add SAMSUNG_PM config option to select pm
ARM: S3C24XX: Add missing clkdev entries for s3c2440 UART
ARM: multi_v7_defconfig: Select USB chipidea driver
ARM: pxa: propagate errors from regulator_enable() to pxamci
ARM: zynq: fix compilation warning
ARM: keystone: fix compilation warning
ARM: highbank: Only touch common coherency control register fields
ARM: footbridge: fix overlapping PCI mappings
dmaengine: shdma: fix a build failure on platforms with no DMA support
ARM: STi: Set correct ARM ERRATAs.
ARM: dts: STi: Fix pinconf setup for STiH416 serial2
ARM: nomadik: configure for NO_HZ and HRTIMERS
ARM: nomadik: update defconfig base
ARM: nomadik: Update MMC defconfigs
ARM: davinci: defconfig: enable EDMA driver
...
Linus Torvalds [Fri, 26 Jul 2013 18:38:13 +0000 (11:38 -0700)]
Merge tag 'usb-3.11-rc3' of git://git./linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of USB fixes for 3.11-rc3.
Lots of little things, nothing major. A number of new device ids,
build fixes for DMA, and a bunch of other minor things. All of these
have been in the linux-next tree"
* tag 'usb-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (40 commits)
usb: Clear both buffers when clearing a control transfer TT buffer.
usb/gadget: free opts struct on error recovery
USB: mos7840: fix memory leak in open
usb: serial: option.c: remove ONDA MT825UP product ID fromdriver
usb: serial: option: add Olivetti Olicard 200
usb: serial: option: blacklist ONDA MT689DC QMI interface
xhci: fix null pointer dereference on ring_doorbell_for_active_rings
usb: host: xhci: Enable XHCI_SPURIOUS_SUCCESS for all controllers with xhci 1.0
usb: fix build warning in pci-quirks.h when CONFIG_PCI is not enabled
usb: xhci: Mark two functions __maybe_unused
xhci: Avoid NULL pointer deref when host dies.
usb: serial: option: Add ONYX 3G device support
USB: ti_usb_3410_5052: fix dynamic-id matching
usb: option: add TP-LINK MA260
USB: option: add D-Link DWM-152/C1 and DWM-156/C1
USB: EHCI: Fix resume signalling on remote wakeup
USB: cp210x: add MMB and PI ZigBee USB Device Support
usb: cp210x support SEL C662 Vendor/Device
USB: option: append Petatel NP10T device to GSM modems list
USB: misc: Add Manhattan Hi-Speed USB DVI Converter to sisusbvga
...
Linus Torvalds [Fri, 26 Jul 2013 18:37:41 +0000 (11:37 -0700)]
Merge tag 'tty-3.11-rc3' of git://git./linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are 3 fixes for TTY and serial issues that have been reported.
Nothing huge, but nice to get fixed"
* tag 'tty-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: tegra: correct help message in Kconfig from 'ttyHS' to 'ttyTHS'
tty/8250_early: Don't truncate last character of options
TTY: snyclinkmp: calculating wrong addresses
Linus Torvalds [Fri, 26 Jul 2013 18:36:51 +0000 (11:36 -0700)]
Merge tag 'staging-3.11-rc3' of git://git./linux/kernel/git/gregkh/staging
Pull staging fixes from Greg KH:
"Here are some tiny drivers/staging/ fixes for 3.11-rc3
A number of bugfixes, all pretty tiny, but resolve issues that have
been reported (the kstrtos32 change fixes a data corruption problem
that Dan found). And a MAINTAINERS file update for the comedi
drivers"
* tag 'staging-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
MAINTAINERS: Update the list of maintainers for staging/comedi driver.
staging: tidspbridge: replace strict_strtol() with kstrtos32()
staging: android: logger: Correct write offset reset on error
staging: zram: protect zram_reset_device() call
staging: gdm72xx: potential use after free in send_qos_list()
staging: drm/imx: drop "select OF_VIDEOMODE"
staging: frontier: use after free in disconnect()
staging: comedi: fix a race between do_cmd_ioctl() and read/write
staging: comedi: COMEDI_CANCEL ioctl should wake up read/write
Linus Torvalds [Fri, 26 Jul 2013 18:36:12 +0000 (11:36 -0700)]
Merge tag 'char-misc-3.11-rc3' of git://git./linux/kernel/git/gregkh/char-misc
Pull char/misc patches from Greg KH:
"Here are some char/misc patches for 3.11-rc3. It's pretty much just:
- mei fixes
- hyperv fixes
- new ja_JP translation update
all tiny stuff, but fixes for issues people have reported."
* tag 'char-misc-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
HOWTO ja_JP sync
mei: me: fix waiting for hw ready
mei: don't have to clean the state on power up
mei: me: fix reset state machine
mei: hbm: fix typo in error message
Tools: hv: KVP: Fix a bug in IPV6 subnet enumeration
Drivers: hv: balloon: Do not post pressure status if interrupted
Drivers: hv: balloon: Fix a bug in the hot-add code
Drivers: hv: vmbus: incorrect device name is printed when child device is unregistered
Linus Torvalds [Fri, 26 Jul 2013 18:25:25 +0000 (11:25 -0700)]
Merge tag 'sound-3.11' of git://git./linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a handful of regression and small fixes in ASoC, HD-audio and
USB-audio drivers.
- Sigmetal HD-audio codec regression fixes
- A copule of XRUN indication fixes for usb-audio devices
- ASoC: ep93xx build fix, sgtl5000 fix for probe order changes,
max98088 register access fix, etc"
* tag 'sound-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hiface: return correct XRUN indication
ASoC: tegra: correct playback_dma_data setup
ASoC: core: double free in snd_soc_add_platform()
ALSA: usb-audio: 6fire: return correct XRUN indication
ASoC: ep93xx: fix build of ep93xx-ac97.c
ALSA: hda - Remove NO_PRESENCE bit override for Dell 1420n Laptop
ALSA: hda - Fix EAPD GPIO control for Sigmatel codecs
ASoC: atmel-ssc: remove clk_disable_unprepare call from critical section
ASoC: sgtl5000: defer the probe if clock is not found
ASoC: max98088 - fix element type of the register cache.
Linus Torvalds [Fri, 26 Jul 2013 18:22:54 +0000 (11:22 -0700)]
Merge tag 'for-linus-v3.11-rc3' of git://oss.sgi.com/xfs/xfs
Pull xfs fix from Ben Myers:
"Fix for regression in commit
cca9f93a52d2 ("xfs: don't do IO when
creating an new inode"), recovery causing filesystem corruption after
a crash"
* tag 'for-linus-v3.11-rc3' of git://oss.sgi.com/xfs/xfs:
xfs: di_flushiter considered harmful
Linus Torvalds [Fri, 26 Jul 2013 18:21:43 +0000 (11:21 -0700)]
Merge branch 'for-3.11' of git://linux-nfs.org/~bfields/linux
Pull nfsd fix from Bruce Fields:
"One more nfsd bugfix for 3.11"
* 'for-3.11' of git://linux-nfs.org/~bfields/linux:
nfsd: nfsd_open: when dentry_open returns an error do not propagate as struct file
Linus Torvalds [Fri, 26 Jul 2013 18:20:10 +0000 (11:20 -0700)]
Merge tag 'md/3.11-fixes' of git://neil.brown.name/md
Pull md fixes from Neil Brown:
"Two more bugfixes for md in 3.11
Both marked for -stable, both since 3.3. I guess I should spend more
time testing..."
* tag 'md/3.11-fixes' of git://neil.brown.name/md:
md/raid5: fix interaction of 'replace' and 'recovery'.
md/raid10: remove use-after-free bug.
Linus Torvalds [Fri, 26 Jul 2013 18:17:46 +0000 (11:17 -0700)]
Merge branch 'for-3.11-fixes' of git://git./linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
"Assorted libata updates.
The most critical one is a fix for ahci oops during boot. Also, a new
smallish platform ahci driver is added and sata_inic162x is marked
clearly as experimental (it whines during boot too) as data corruption
seems rather common on the device and it's unlikely to get any love in
the foreseeable future. If the whining doesn't draw any attention, I
think we'd probably be better of making the driver depend on BROKEN in
a couple releases"
This is v2 of this pull request with fixed dependencies for ahci_imx.
* 'for-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ahci_imx: depend on CONFIG_MFD_SYSCON
ahci_imx: add ahci sata support on imx platforms
ARM: imx6q: update the sata bits definitions of gpr13
ahci: fix Null pointer dereference in achi_host_active()
libata: make it clear that sata_inic162x is experimental
libata: replace strict_strtol() with kstrtol()
ata: Fix DVD not dectected at some platform with Wellsburg PCH
Rafael J. Wysocki [Thu, 25 Jul 2013 19:43:39 +0000 (21:43 +0200)]
Revert "ACPI / video / i915: No ACPI backlight if firmware expects Windows 8"
We attempted to address a regression introduced by commit a57f7f9
(ACPICA: Add Windows8/Server2012 string for _OSI method.) after which
ACPI video backlight support doesn't work on a number of systems,
because the relevant AML methods in the ACPI tables in their BIOSes
become useless after the BIOS has been told that the OS is compatible
with Windows 8. That problem is tracked by the bug entry at:
https://bugzilla.kernel.org/show_bug.cgi?id=51231
Commit 8c5bd7a (ACPI / video / i915: No ACPI backlight if firmware
expects Windows 8) introduced for this purpose essentially prevented
the ACPI backlight support from being used if the BIOS had been told
that the OS was compatible with Windows 8 and the i915 driver was
loaded, in which case the backlight would always be handled by i915.
Unfortunately, however, that turned out to cause problems with
backlight to appear on multiple systems with symptoms indicating that
i915 was unable to control the backlight on those systems as
expected.
For this reason, revert commit 8c5bd7a, but leave the function
acpi_video_backlight_quirks() introduced by it, because another
commit on top of it uses that function.
References: https://lkml.org/lkml/2013/7/21/119
References: https://lkml.org/lkml/2013/7/22/261
References: https://lkml.org/lkml/2013/7/23/429
References: https://lkml.org/lkml/2013/7/23/459
References: https://lkml.org/lkml/2013/7/23/81
References: https://lkml.org/lkml/2013/7/24/27
Reported-and-tested-by: James Hogan <james@albanarts.com>
Reported-and-tested-by: Kamal Mostafa <kamal@canonical.com>
Reported-and-tested-by: Jörg Otte <jrg.otte@gmail.com>
Reported-and-tested-by: Steven Newbury <steve@snewbury.org.uk>
Reported-by: Martin Steigerwald <Martin@lichtvoll.de>
Reported-by: Kalle Valo <kvalo@adurom.com>
Tested-by: Joerg Platte <jplatte@naasa.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tejun Heo [Fri, 26 Jul 2013 12:57:56 +0000 (08:57 -0400)]
ahci_imx: depend on CONFIG_MFD_SYSCON
ahci_imx makes use of regmap but the dependency wasn't specified in
Kconfig leading build failures if CONFIG_AHCI_IMX is enabled but
CONFIG_MFD_SYSCON is not. Add the Kconfig dependency.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Steven Rostedt (Red Hat) [Wed, 24 Jul 2013 02:21:59 +0000 (22:21 -0400)]
tracing: Remove locking trace_types_lock from tracing_reset_all_online_cpus()
Commit
a82274151af "tracing: Protect ftrace_trace_arrays list in trace_events.c"
added taking the trace_types_lock mutex in trace_events.c as there were
several locations that needed it for protection. Unfortunately, it also
encapsulated a call to tracing_reset_all_online_cpus() which also takes
the trace_types_lock, causing a deadlock.
This happens when a module has tracepoints and has been traced. When the
module is removed, the trace events module notifier will grab the
trace_types_lock, do a bunch of clean ups, and also clears the buffer
by calling tracing_reset_all_online_cpus. This doesn't happen often
which explains why it wasn't caught right away.
Commit
a82274151af was marked for stable, which means this must be
sent to stable too.
Link: http://lkml.kernel.org/r/51EEC646.7070306@broadcom.com
Reported-by: Arend van Spril <arend@broadcom.com>
Tested-by: Arend van Spriel <arend@broadcom.com>
Cc: Alexander Z Lam <azl@google.com>
Cc: Vaibhav Nagarnaik <vnagarnaik@google.com>
Cc: David Sharp <dhsharp@google.com>
Cc: stable@vger.kernel.org # 3.10
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Feng Kan [Tue, 23 Jul 2013 17:52:31 +0000 (18:52 +0100)]
arm64: Change kernel stack size to 16K
Written by Catalin Marinas, tested by APM on storm platform. This is needed
because of the failures encountered when running SpecWeb benchmark test.
Signed-off-by: Feng Kan <fkan@apm.com>
Acked-by: Kumar Sankaran <ksankaran@apm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Dave Airlie [Fri, 26 Jul 2013 10:38:14 +0000 (20:38 +1000)]
Merge tag 'drm-intel-fixes-2013-07-25' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Brown-paper-bag pull request here. The snb rc6 fix from the last pull
broke forcewake BIOS dirt cleanup, which with fixed. But that fix broke
the spinlock init sequence, which results in an ugly BUG when spinlock
debugging is enabled :( So I get to throw another patch at cc: stable to
fix up the mess ...
* tag 'drm-intel-fixes-2013-07-25' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: initialize gt_lock early with other spin locks
drm/i915: fix hdmi portclock limits
Dave Airlie [Fri, 26 Jul 2013 10:37:15 +0000 (20:37 +1000)]
Merge branch 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
r600 dpm fixes, old school card dac fixes, lockup fixes
endian fixes
* 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon/dpm: fix r600_enable_sclk_control()
drm/radeon/dpm: implement force performance levels for rv6xx
drm/radeon/dpm: fix displaygap programming on rv6xx
drm/radeon/dpm: fix a typo in the rv6xx mclk setup
drm/radeon: fix combios tables on older cards
drm/radeon: improve dac adjust heuristics for legacy pdac
drm/radeon: Another card with wrong primary dac adj
drm/radeon: fix endian issues with DP handling (v3)
drm/radeon/vm: only align the pt base to 32k
drm/radeon: wait for 3D idle before using CP DMA
Alex Deucher [Fri, 26 Jul 2013 01:46:21 +0000 (21:46 -0400)]
drm/radeon/dpm: fix r600_enable_sclk_control()
Actually program the correct register to enable
engine clock scaling control.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Alex Deucher [Fri, 26 Jul 2013 00:07:25 +0000 (20:07 -0400)]
drm/radeon/dpm: implement force performance levels for rv6xx
Allows you to limit the selected power levels via sysfs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Olof Johansson [Wed, 24 Jul 2013 15:42:27 +0000 (08:42 -0700)]
mfd: max8925: fix dt code for backlight
The device-tree enablement for max8925 has several problems, but besides
the bindings being wrong (and not having seen review) there's also some
bad coding practices on how to fill in the platform_data from device tree.
I came across this since it causes a warning when compiling
mmp2_defconfig, and instead of doing the minimal fix to silence the
warning, I restructured the code a bit.
This silences the warning:
drivers/video/backlight/max8925_bl.c: In function 'max8925_backlight_probe':
drivers/video/backlight/max8925_bl.c:177:3: warning: statement with no effect [-Wunused-value]
Note that the bindings themselves need to be revisited too, but that will
affect more than just the backlight driver and is best done separately;
this just fixes the bad code for the backlight driver.
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Alex Deucher [Thu, 25 Jul 2013 22:29:14 +0000 (18:29 -0400)]
drm/radeon/dpm: fix displaygap programming on rv6xx
Need to use the driver state rather than the register
state since the displays may not be enabled when the
power state is programmed.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Alex Deucher [Thu, 25 Jul 2013 22:27:45 +0000 (18:27 -0400)]
drm/radeon/dpm: fix a typo in the rv6xx mclk setup
Need to set high for the last two entries. Looks
like a copy and paste typo.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
William Gulland [Thu, 27 Jun 2013 23:10:20 +0000 (16:10 -0700)]
usb: Clear both buffers when clearing a control transfer TT buffer.
Control transfers have both IN and OUT (or SETUP) packets, so when
clearing TT buffers for a control transfer it's necessary to send
two HUB_CLEAR_TT_BUFFER requests to the hub.
Signed-off-by: William Gulland <wgulland@google.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Andrzej Pietrasiewicz [Thu, 25 Jul 2013 07:13:18 +0000 (09:13 +0200)]
usb/gadget: free opts struct on error recovery
Fix memory leaks introduced in commits:
40d133d7f542616cf9538508a372306e626a16e9
usb: gadget: f_ncm: convert to new function interface with backward compatibility
fee562a6450b7806f1fbbe1469a67b5395b5c10a
usb: gadget: f_ecm: convert to new function interface with backward compatibility
fcbdf12ebef73a6069e2a1aada1e546fb578a4aa
usb: gadget: f_phonet: convert to new function interface with backward compatibility
b29002a157940752dfed2c488b2011f63f007d71
usb: gadget: f_eem: convert to new function interface with backward compatibility
8cedba7c73af1369599b1111639cfeb66fe13aaa
usb: gadget: f_subset: convert to new function interface with backward compatibility
f466c6353819326873fa48a02c6f2d7c903240d6
usb: gadget: f_rndis: convert to new function interface with backward compatibility
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Mon, 1 Jul 2013 12:03:33 +0000 (14:03 +0200)]
USB: mos7840: fix memory leak in open
Allocated urbs and buffers were never freed on errors in open.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Enrico Mioso [Sat, 13 Jul 2013 16:54:14 +0000 (18:54 +0200)]
usb: serial: option.c: remove ONDA MT825UP product ID fromdriver
Some (very few) early devices like mine, where not exposting a proper CDC
descriptor. This was fixed with an immediate firmware update from the vendor,
and pre-installed on newer devices.
So actual devices can be driven by cdc_acm.c + cdc_ether.c.
Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dan Williams [Wed, 10 Jul 2013 17:25:02 +0000 (12:25 -0500)]
usb: serial: option: add Olivetti Olicard 200
Speaks AT on interfaces 5 (command & PPP) and 3 (secondary), other
interface protocols are unknown.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Enrico Mioso [Sat, 29 Jun 2013 13:33:35 +0000 (15:33 +0200)]
usb: serial: option: blacklist ONDA MT689DC QMI interface
Prevent the option driver from binding itself to the QMI/WWAN interface, making
it unusable by the proper driver.
Signed-off-by: enrico Mioso <mrkiko.rs@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Andrzej Pietrasiewicz [Thu, 25 Jul 2013 07:13:18 +0000 (09:13 +0200)]
usb: gadget: free opts struct on error recovery
Fix memory leaks introduced in commits:
40d133d7f542616cf9538508a372306e626a16e9
usb: gadget: f_ncm: convert to new function interface with backward compatibility
fee562a6450b7806f1fbbe1469a67b5395b5c10a
usb: gadget: f_ecm: convert to new function interface with backward compatibility
fcbdf12ebef73a6069e2a1aada1e546fb578a4aa
usb: gadget: f_phonet: convert to new function interface with backward compatibility
b29002a157940752dfed2c488b2011f63f007d71
usb: gadget: f_eem: convert to new function interface with backward compatibility
8cedba7c73af1369599b1111639cfeb66fe13aaa
usb: gadget: f_subset: convert to new function interface with backward compatibility
f466c6353819326873fa48a02c6f2d7c903240d6
usb: gadget: f_rndis: convert to new function interface with backward compatibility
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Andrzej Pietrasiewicz [Wed, 24 Jul 2013 10:47:46 +0000 (12:47 +0200)]
usb: gadget: ether: put_usb_function on unbind
Fix bugs introduced in
9c62ce83e4258bacc459faf57bf2ed83cce6be08
usb: gadget: ether: convert to new interface of f_ecm
94b5573e97729f0e1496d23b69cbe2c6b24ec0c3
usb: gadget: ether: convert to new interface of f_eem
8af5232d6f48896b151898ccb2e9e155481bb785
usb: gadget: ether: convert to new interface of f_subset
9bd4a10e1bf881af0b0a7c117c7092b558447047
usb: gadget: ether: convert to new interface of f_rndis
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Greg Kroah-Hartman [Thu, 25 Jul 2013 17:02:24 +0000 (10:02 -0700)]
Merge tag 'for-usb-linus-2013-07-25' of git://git./linux/kernel/git/sarah/xhci into usb-linus
Sarah writes:
xhci: Bug fixes, now with more tags!
Hi Greg,
Here's five bug fixes for 3.12.
The three patches are marked for stable. Two fix NULL pointer dereferences.
The third marked for stable suppresses some serious log spam from unnecessary
xHCI driver warnings, whenever an isochronous short packet happens on an xHCI
1.0 host.
The other two patches fix build warnings.
Sarah Sharp
Dave Chinner [Wed, 24 Jul 2013 05:47:30 +0000 (15:47 +1000)]
xfs: di_flushiter considered harmful
When we made all inode updates transactional, we no longer needed
the log recovery detection for inodes being newer on disk than the
transaction being replayed - it was redundant as replay of the log
would always result in the latest version of the inode would be on
disk. It was redundant, but left in place because it wasn't
considered to be a problem.
However, with the new "don't read inodes on create" optimisation,
flushiter has come back to bite us. Essentially, the optimisation
made always initialises flushiter to zero in the create transaction,
and so if we then crash and run recovery and the inode already on
disk has a non-zero flushiter it will skip recovery of that inode.
As a result, log recovery does the wrong thing and we end up with a
corrupt filesystem.
Because we have to support old kernel to new kernel upgrades, we
can't just get rid of the flushiter support in log recovery as we
might be upgrading from a kernel that doesn't have fully transactional
inode updates. Unfortunately, for v4 superblocks there is no way to
guarantee that log recovery knows about this fact.
We cannot add a new inode format flag to say it's a "special inode
create" because it won't be understood by older kernels and so
recovery could do the wrong thing on downgrade. We cannot specially
detect the combination of zero mode/non-zero flushiter on disk to
non-zero mode, zero flushiter in the log item during recovery
because wrapping of the flushiter can result in false detection.
Hence that makes this "don't use flushiter" optimisation limited to
a disk format that guarantees that we don't need it. And that means
the only fix here is to limit the "no read IO on create"
optimisation to version 5 superblocks....
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
(cherry picked from commit
e60896d8f2b81412421953e14d3feb14177edb56)
Linus Walleij [Mon, 22 Jul 2013 23:43:20 +0000 (01:43 +0200)]
pinctrl: fix a memleak when freeing maps
We forgot to free the node itself when free:ing a map.
Reported-by: xulinuxkernel <xulinuxkernel@gmail.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Oleksij Rempel [Sun, 21 Jul 2013 13:36:19 +0000 (15:36 +0200)]
xhci: fix null pointer dereference on ring_doorbell_for_active_rings
in some cases where device is attched to xhci port and do not responding,
for example ath9k_htc with stalled firmware, kernel will
crash on ring_doorbell_for_active_rings.
This patch check if pointer exist before it is used.
This patch should be backported to kernels as old as 2.6.35, that
contain the commit
e9df17eb1408cfafa3d1844bfc7f22c7237b31b8 "USB: xhci:
Correct assumptions about number of rings per endpoint"
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
George Cherian [Mon, 1 Jul 2013 05:29:12 +0000 (10:59 +0530)]
usb: host: xhci: Enable XHCI_SPURIOUS_SUCCESS for all controllers with xhci 1.0
Xhci controllers with hci_version > 0.96 gives spurious success
events on short packet completion. During webcam capture the
"ERROR Transfer event TRB DMA ptr not part of current TD" was observed.
The same application works fine with synopsis controllers hci_version 0.96.
The same issue is seen with Intel Pantherpoint xhci controller. So enabling
this quirk in xhci_gen_setup if controller verion is greater than 0.96.
For xhci-pci move the quirk to much generic place xhci_gen_setup.
Note from Sarah:
The xHCI 1.0 spec changed how hardware handles short packets. The HW
will notify SW of the TRB where the short packet occurred, and it will
also give a successful status for the last TRB in a TD (the one with the
IOC flag set). On the second successful status, that warning will be
triggered in the driver.
Software is now supposed to not assume the TD is not completed until it
gets that last successful status. That means we have a slight race
condition, although it should have little practical impact. This patch
papers over that issue.
It's on my long-term to-do list to fix this race condition, but it is a
much more involved patch that will probably be too big for stable. This
patch is needed for stable to avoid serious log spam.
This patch should be backported to kernels as old as 3.0, that
contain the commit
ad808333d8201d53075a11bc8dd83b81f3d68f0b "Intel xhci:
Ignore spurious successful event."
The patch will have to be modified for kernels older than 3.2, since
that kernel added the xhci_gen_setup function for xhci platform devices.
The correct conflict resolution for kernels older than 3.2 is to set
XHCI_SPURIOUS_SUCCESS in xhci_pci_quirks for all xHCI 1.0 hosts.
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
Randy Dunlap [Tue, 23 Jul 2013 22:22:59 +0000 (15:22 -0700)]
usb: fix build warning in pci-quirks.h when CONFIG_PCI is not enabled
Fix warning when CONFIG_PCI is not enabled
(from commit
296365781903226a3fb8758901eaeec09d2798e4).
drivers/usb/host/pci-quirks.h: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Moiz Sonasath <m-sonasath@ti.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Olof Johansson [Tue, 23 Jul 2013 18:58:20 +0000 (11:58 -0700)]
usb: xhci: Mark two functions __maybe_unused
Resolves the following build warnings:
drivers/usb/host/xhci.c:332:13: warning: 'xhci_msix_sync_irqs' defined but not used [-Wunused-function]
drivers/usb/host/xhci.c:3901:12: warning: 'xhci_change_max_exit_latency' defined but not used [-Wunused-function]
These functions are not always used, and since they're marked static
they will produce build warnings:
- xhci_msix_sync_irqs is only used with CONFIG_PCI.
- xhci_change_max_exit_latency is a little more complicated with
dependencies on CONFIG_PM and CONFIG_PM_RUNTIME.
Instead of building a bigger maze of ifdefs in this code, I've just
marked both with __maybe_unused.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Sarah Sharp [Wed, 24 Jul 2013 17:27:13 +0000 (10:27 -0700)]
xhci: Avoid NULL pointer deref when host dies.
When the host controller fails to respond to an Enable Slot command, and
the host fails to respond to the register write to abort the command
ring, the xHCI driver will assume the host is dead, and call
usb_hc_died().
The USB device's slot_id is still set to zero, and the pointer stored at
xhci->devs[0] will always be NULL. The call to xhci_check_args in
xhci_free_dev should have caught the NULL virt_dev pointer.
However, xhci_free_dev is designed to free the xhci_virt_device
structures, even if the host is dead, so that we don't leak kernel
memory. xhci_free_dev checks the return value from the generic
xhci_check_args function. If the return value is -ENODEV, it carries on
trying to free the virtual device.
The issue is that xhci_check_args looks at the host controller state
before it looks at the xhci_virt_device pointer. It will return -ENIVAL
because the host is dead, and xhci_free_dev will ignore the return
value, and happily dereference the NULL xhci_virt_device pointer.
The fix is to make sure that xhci_check_args checks the xhci_virt_device
pointer before it checks the host state.
See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1203453 for
further details. This patch doesn't solve the underlying issue, but
will ensure we don't see any more NULL pointer dereferences because of
the issue.
This patch should be backported to kernels as old as 3.1, that
contain the commit
7bd89b4017f46a9b92853940fd9771319acb578a "xhci: Don't
submit commands or URBs to halted hosts."
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reported-by: Vincent Thiele <vincentthiele@gmail.com>
Cc: stable@vger.kernel.org
Jani Nikula [Thu, 25 Jul 2013 09:44:34 +0000 (12:44 +0300)]
drm/i915: initialize gt_lock early with other spin locks
commit
181d1b9e31c668259d3798c521672afb8edd355c
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sun Jul 21 13:16:24 2013 +0200
drm/i915: fix up gt init sequence fallout
moved dev_priv->gt_lock initialization after use. Do the initialization
much earlier with other spin lock initializations.
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Cc: stable@vger.kernel.org (since the regressing patch is also cc: stable)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
NeilBrown [Mon, 22 Jul 2013 02:57:21 +0000 (12:57 +1000)]
md/raid5: fix interaction of 'replace' and 'recovery'.
If a device in a RAID4/5/6 is being replaced while another is being
recovered, then the writes to the replacement device currently don't
happen, resulting in corruption when the replacement completes and the
new drive takes over.
This is because the replacement writes are only triggered when
's.replacing' is set and not when the similar 's.sync' is set (which
is the case during resync and recovery - it means all devices need to
be read).
So schedule those writes when s.replacing is set as well.
In this case we cannot use "STRIPE_INSYNC" to record that the
replacement has happened as that is needed for recording that any
parity calculation is complete. So introduce STRIPE_REPLACED to
record if the replacement has happened.
For safety we should also check that STRIPE_COMPUTE_RUN is not set.
This has a similar effect to the "s.locked == 0" test. The latter
ensure that now IO has been flagged but not started. The former
checks if any parity calculation has been flagged by not started.
We must wait for both of these to complete before triggering the
'replace'.
Add a similar test to the subsequent check for "are we finished yet".
This possibly isn't needed (is subsumed in the STRIPE_INSYNC test),
but it makes it more obvious that the REPLACE will happen before we
think we are finished.
Finally if a NeedReplace device is not UPTODATE then that is an
error. We really must trigger a warning.
This bug was introduced in commit
9a3e1101b827a59ac9036a672f5fa8d5279d0fe2
(md/raid5: detect and handle replacements during recovery.)
which introduced replacement for raid5.
That was in 3.3-rc3, so any stable kernel since then would benefit
from this fix.
Cc: stable@vger.kernel.org (3.3+)
Reported-by: qindehua <13691222965@163.com>
Tested-by: qindehua <qindehua@163.com>
Signed-off-by: NeilBrown <neilb@suse.de>
NeilBrown [Wed, 24 Jul 2013 05:37:42 +0000 (15:37 +1000)]
md/raid10: remove use-after-free bug.
We always need to be careful when calling generic_make_request, as it
can start a chain of events which might free something that we are
using.
Here is one place I wasn't careful enough. If the wbio2 is not in
use, then it might get freed at the first generic_make_request call.
So perform all necessary tests first.
This bug was introduced in 3.3-rc3 (
24afd80d99) and can cause an
oops, so fix is suitable for any -stable since then.
Cc: stable@vger.kernel.org (3.3+)
Signed-off-by: NeilBrown <neilb@suse.de>
Tsugikazu Shibata [Thu, 25 Jul 2013 00:17:23 +0000 (09:17 +0900)]
HOWTO ja_JP sync
Attached is Documentation/ja_JP/HOWTO sync patch for 3.10.
This patch was reviewed by Japanese translation community called JF.
Signed-off-by: Tsugikazu Shibata <tshibata@ab.jp.nec.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Enrico Mioso [Thu, 25 Jul 2013 00:01:39 +0000 (02:01 +0200)]
usb: serial: option: Add ONYX 3G device support
This patch adds support for the ONYX 3G device (version 1) from ALFA
NETWORK.
Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Olof Johansson [Thu, 25 Jul 2013 00:06:47 +0000 (17:06 -0700)]
Merge tag 'samsung-fixes-1' of git://git./linux/kernel/git/kgene/linux-samsung into fixes
From Kukjin Kim:
Samsung fixes for v3.11
- fix kernel booting on exynos5440
skip pm which is not supported
update regarding LPAE features
- fix s3c2440 uart with adding clkdev entries
- fix compilatioin for Samsung SoCs with selecting pm
- update ARCH_NR_GPIO to support exynos4412 has more gpios
* tag 'samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Update CONFIG_ARCH_NR_GPIO for Exynos
ARM: EXYNOS: Fix low level debug support
ARM: SAMSUNG: Save/restore only selected uart's registers
ARM: SAMSUNG: Add SAMSUNG_PM config option to select pm
ARM: S3C24XX: Add missing clkdev entries for s3c2440 UART
ARM: EXYNOS: Enable 64-bit DMA for EXYNOS5440 if LPAE is enabled
ARM: EXYNOS: change the PHYSMEM_BITS and SECTION_SIZE
ARM: EXYNOS: skip pm support on exynos5440
Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Wed, 24 Jul 2013 23:55:23 +0000 (16:55 -0700)]
ARM: omap5: Only select errata 798181 if SMP
Avoids the following warning when SMP is off:
warning: (ARCH_KEYSTONE && SOC_OMAP5) selects ARM_ERRATA_798181 which
has unmet direct dependencies (CPU_V7 && SMP)
Reported-by: Emilio López <emilio@elopez.com.ar>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Johan Hovold [Fri, 28 Jun 2013 10:24:26 +0000 (12:24 +0200)]
USB: ti_usb_3410_5052: fix dynamic-id matching
The driver failed to take the dynamic ids into account when determining
the device type and therefore all devices were detected as 2-port
devices when using the dynamic-id interface.
Match on the usb-serial-driver field instead of doing redundant id-table
searches.
Reported-by: Anders Hammarquist <iko@iko.pp.se>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Richard Zhao [Sun, 21 Jul 2013 02:43:26 +0000 (10:43 +0800)]
serial: tegra: correct help message in Kconfig from 'ttyHS' to 'ttyTHS'
ttyTHS is consistent with the name used in driver.
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Henrik Nordström [Tue, 23 Jul 2013 19:06:07 +0000 (21:06 +0200)]
tty/8250_early: Don't truncate last character of options
The earlier change to use strlcpy uncovered a bug in the options
argument length calculation causing last character to be truncated.
This makes the actual console to be configured with incorrect
baudrate when specifying the console using console=uart,... syntax.
Bug symptom seen in kernel log output:
Kernel command line: console=uart,mmio,0x90000000,115200
Early serial console at MMIO 0x90000000 (options '11520')
which then results in a invalid baud rate 11520 instead of the
expected 115200 when the console is switched to ttyS0 later
in the boot process.
Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dan Carpenter [Fri, 19 Jul 2013 05:53:13 +0000 (08:53 +0300)]
TTY: snyclinkmp: calculating wrong addresses
This is a static checker fix and I don't have a way to test it. But
from the context it looks like this is a typo where SCABUFSIZE was
intended instead of sizeof(SCABUFSIZE). SCABUFSIZE is 1024 and
sizeof(int) is 4. I would suspect this is a bad bug.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
James Bottomley [Wed, 24 Jul 2013 19:43:18 +0000 (12:43 -0700)]
[SCSI] isci: fix breakage caused by >16byte CDB patch
Oops, apparently no-one I cc'd at intel actually bothered to check this
patch for the isci driver:
commit
e73823f7a2c921dcf068d34ea03bd682498d9e42
Author: James Bottomley <JBottomley@Parallels.com>
Date: Tue May 7 15:38:18 2013 -0700
[SCSI] libsas: implement > 16 byte CDB support
sci_swab32_cpy needs multiples of four, so for commands that aren't that, it's
rounding the wrong way. fix by doing (len+3)/4 instead of len/4.
Reported-by: Tony Luck <tony.luck@intel.com>
Tested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Linus Torvalds [Wed, 24 Jul 2013 18:07:18 +0000 (11:07 -0700)]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc
Pull powerpc fixes from Ben Herrenschmidt:
"Here is a series of powerpc fixes. It's a bit big, mostly because of
the series of 11 "EEH" patches from Gavin. The EEH (Our IBM specific
PCI/PCIe Enhanced Error Handling) code had been rotting for a while
and this merge window saw a significant rework & fixing of it by Gavin
Shan.
However, that wasn't complete and left some open issues. There were
still a few corner cases that didn't work properly, for example in
relation to hotplug and devices without explicit error handlers. We
had some patches but they weren't quite good enough yet so I left them
off the 3.11 merge window.
Gavin since then fixed it all up, we ran quite a few rounds of testing
and it seems fairly solid (at least probably more than it has ever
been). This should probably have made -rc1 but both Gavin and I took
some vacation so it had to wait for -rc2.
The rest is more bug fixes, mostly to new features recently added, for
example, we missed the cpu table entry for one of the two models of P8
(we didn't realize they had different PVR [Processor Version Register]
values), some module CRC issues, etc..."
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (23 commits)
powerpc/perf: BHRB filter configuration should follow the task
powerpc/perf: Ignore separate BHRB privilege state filter request
powerpc/powernv: Mark pnv_pci_init_ioda2_phb() as __init
powerpc/mm: Use the correct SLB(LLP) encoding in tlbie instruction
powerpc/mm: Fix fallthrough bug in hpte_decode
powerpc/pseries: Fix a typo in pSeries_lpar_hpte_insert()
powerpc/eeh: Introdce flag to protect sysfs
powerpc/eeh: Fix unbalanced enable for IRQ
powerpc/eeh: Don't use pci_dev during BAR restore
powerpc/eeh: Use partial hotplug for EEH unaware drivers
powerpc/pci: Partial tree hotplug support
powerpc/eeh: Use safe list traversal when walking EEH devices
powerpc/eeh: Keep PE during hotplug
powerpc/pci/hotplug: Don't need to remove from EEH cache twice
powerpc/pci: Override pcibios_release_device()
powerpc/eeh: Export functions for hotplug
powerpc/eeh: Remove reference to PCI device
powerpc: Fix the corrupt r3 error during MCE handling.
powerpc/perf: Set PPC_FEATURE2_EBB when we register the power8 PMU
powerpc/pseries: Drop "select HOTPLUG"
...
Linus Torvalds [Wed, 24 Jul 2013 18:05:18 +0000 (11:05 -0700)]
Merge git://git./linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This push fixes a memory corruption issue in caam, as well as
reverting the new optimised crct10dif implementation as it breaks boot
on initrd systems.
Hopefully crct10dif will be reinstated once the supporting code is
added so that it doesn't break boot"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
Revert "crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework"
crypto: caam - Fixed the memory out of bound overwrite issue
Lidza Louina [Wed, 24 Jul 2013 15:29:33 +0000 (11:29 -0400)]
MAINTAINERS: Update the list of maintainers for staging/comedi driver.
This patch updates the list of maintainers for the staging/comedi
driver.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jingoo Han [Wed, 24 Jul 2013 05:34:08 +0000 (14:34 +0900)]
staging: tidspbridge: replace strict_strtol() with kstrtos32()
The usage of strict_strtol() is not preferred, because
strict_strtol() is obsolete. Thus, kstrtos32() should be
used in order to convert a string to s32. Also, error handling
is added to get rid of a __must_check warning.
This fixes a memory corruption bug as well.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Richard Zhu [Wed, 24 Jul 2013 06:15:29 +0000 (14:15 +0800)]
ahci_imx: add ahci sata support on imx platforms
imx6q contains one Synopsys AHCI SATA controller, But it can't share
ahci_platform driver with other controllers because there are some
misalignments of the generic AHCI controller - the bits definitions of
the HBA registers, the Vendor Specific registers, the AHCI PHY clock
and the AHCI signals adjustment window(GPR13 register).
- CAP_SSS(bit20) of the HOST_CAP is writable, default value is '0',
should be configured to be '1'
- bit0 (only one AHCI SATA port on imx6q) of the HOST_PORTS_IMPL
should be set to be '1'.(default 0)
- One Vendor Specific register HOST_TIMER1MS(offset:0xe0) should be
configured regarding to the frequency of AHB bus clock.
- Configurations of the AHCI PHY clock, and the signal parameters of
the GPR13
Setup its own ahci sata driver, contained the imx6q specific
initialized codes, re-use the generic ahci_platform driver, and keep
the generic ahci_platform driver clean as much as possible.
tj: patch description reformatted
Signed-off-by: Richard Zhu <r65037@freescale.com>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Richard Zhu [Wed, 24 Jul 2013 06:15:28 +0000 (14:15 +0800)]
ARM: imx6q: update the sata bits definitions of gpr13
Replace the SATA_PHY_# by the more readable definitons.
tj: Being routed through libata branch to enable implementation of
ahci_imx.
Signed-off-by: Richard Zhu <r65037@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Steven Rostedt (Red Hat) [Wed, 24 Jul 2013 02:06:15 +0000 (22:06 -0400)]
ftrace: Add check for NULL regs if ops has SAVE_REGS set
If a ftrace ops is registered with the SAVE_REGS flag set, and there's
already a ops registered to one of its functions but without the
SAVE_REGS flag, there's a small race window where the SAVE_REGS ops gets
added to the list of callbacks to call for that function before the
callback trampoline gets set to save the regs.
The problem is, the function is not currently saving regs, which opens
a small race window where the ops that is expecting regs to be passed
to it, wont. This can cause a crash if the callback were to reference
the regs, as the SAVE_REGS guarantees that regs will be set.
To fix this, we add a check in the loop case where it checks if the ops
has the SAVE_REGS flag set, and if so, it will ignore it if regs is
not set.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Oleg Nesterov [Tue, 23 Jul 2013 15:26:13 +0000 (17:26 +0200)]
tracing: Kill trace_cpu struct/members
After the previous changes trace_array_cpu->trace_cpu and
trace_array->trace_cpu becomes write-only. Remove these members
and kill "struct trace_cpu" as well.
As a side effect this also removes memset(per_cpu_memory, 0).
It was not needed, alloc_percpu() returns zero-filled memory.
Link: http://lkml.kernel.org/r/20130723152613.GA23741@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Oleg Nesterov [Tue, 23 Jul 2013 15:26:10 +0000 (17:26 +0200)]
tracing: Change tracing_fops/snapshot_fops to rely on tracing_get_cpu()
tracing_open() and tracing_snapshot_open() are racy, the memory
inode->i_private points to can be already freed.
Convert these last users of "inode->i_private == trace_cpu" to
use "i_private = trace_array" and rely on tracing_get_cpu().
v2: incorporate the fix from Steven, tracing_release() must not
blindly dereference file->private_data unless we know that
the file was opened for reading.
Link: http://lkml.kernel.org/r/20130723152610.GA23737@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Oleg Nesterov [Tue, 23 Jul 2013 15:26:06 +0000 (17:26 +0200)]
tracing: Change tracing_entries_fops to rely on tracing_get_cpu()
tracing_open_generic_tc() is racy, the memory inode->i_private
points to can be already freed.
1. Change its last user, tracing_entries_fops, to use
tracing_*_generic_tr() instead.
2. Change debugfs_create_file("buffer_size_kb", data) callers
to pass "data = tr".
3. Change tracing_entries_read() and tracing_entries_write() to
use tracing_get_cpu().
4. Kill the no longer used tracing_open_generic_tc() and
tracing_release_generic_tc().
Link: http://lkml.kernel.org/r/20130723152606.GA23730@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Oleg Nesterov [Tue, 23 Jul 2013 15:26:03 +0000 (17:26 +0200)]
tracing: Change tracing_stats_fops to rely on tracing_get_cpu()
tracing_open_generic_tc() is racy, the memory inode->i_private
points to can be already freed.
1. Change one of its users, tracing_stats_fops, to use
tracing_*_generic_tr() instead.
2. Change trace_create_cpu_file("stats", data) to pass "data = tr".
3. Change tracing_stats_read() to use tracing_get_cpu().
Link: http://lkml.kernel.org/r/20130723152603.GA23727@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Oleg Nesterov [Tue, 23 Jul 2013 15:26:00 +0000 (17:26 +0200)]
tracing: Change tracing_buffers_fops to rely on tracing_get_cpu()
tracing_buffers_open() is racy, the memory inode->i_private points
to can be already freed.
Change debugfs_create_file("trace_pipe_raw", data) caller to pass
"data = tr", tracing_buffers_open() can use tracing_get_cpu().
Change debugfs_create_file("snapshot_raw_fops", data) caller too,
this file uses tracing_buffers_open/release.
Link: http://lkml.kernel.org/r/20130723152600.GA23720@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Oleg Nesterov [Tue, 23 Jul 2013 15:25:57 +0000 (17:25 +0200)]
tracing: Change tracing_pipe_fops() to rely on tracing_get_cpu()
tracing_open_pipe() is racy, the memory inode->i_private points to
can be already freed.
Change debugfs_create_file("trace_pipe", data) callers to to pass
"data = tr", tracing_open_pipe() can use tracing_get_cpu().
Link: http://lkml.kernel.org/r/20130723152557.GA23717@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Oleg Nesterov [Tue, 23 Jul 2013 15:25:54 +0000 (17:25 +0200)]
tracing: Introduce trace_create_cpu_file() and tracing_get_cpu()
Every "file_operations" used by tracing_init_debugfs_percpu is buggy.
f_op->open/etc does:
1. struct trace_cpu *tc = inode->i_private;
struct trace_array *tr = tc->tr;
2. trace_array_get(tr) or fail;
3. do_something(tc);
But tc (and tr) can be already freed before trace_array_get() is called.
And it doesn't matter whether this file is per-cpu or it was created by
init_tracer_debugfs(), free_percpu() or kfree() are equally bad.
Note that even 1. is not safe, the freed memory can be unmapped. But even
if it was safe trace_array_get() can wrongly succeed if we also race with
the next new_instance_create() which can re-allocate the same tr, or tc
was overwritten and ->tr points to the valid tr. In this case 3. uses the
freed/reused memory.
Add the new trivial helper, trace_create_cpu_file() which simply calls
trace_create_file() and encodes "cpu" in "struct inode". Another helper,
tracing_get_cpu() will be used to read cpu_nr-or-RING_BUFFER_ALL_CPUS.
The patch abuses ->i_cdev to encode the number, it is never used unless
the file is S_ISCHR(). But we could use something else, say, i_bytes or
even ->d_fsdata. In any case this hack is hidden inside these 2 helpers,
it would be trivial to change them if needed.
This patch only changes tracing_init_debugfs_percpu() to use the new
trace_create_cpu_file(), the next patches will change file_operations.
Note: tracing_get_cpu(inode) is always safe but you can't trust the
result unless trace_array_get() was called, without trace_types_lock
which acts as a barrier it can wrongly return RING_BUFFER_ALL_CPUS.
Link: http://lkml.kernel.org/r/20130723152554.GA23710@redhat.com
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Sachin Kamat [Wed, 24 Jul 2013 09:55:27 +0000 (18:55 +0900)]
ARM: EXYNOS: Update CONFIG_ARCH_NR_GPIO for Exynos
With the recent cleanup in Exynos platform code notably commits
17859bec ("ARM: EXYNOS: Do not select legacy Kconfig symbols any
more") and
b9222210 ("ARM: EXYNOS: Remove mach/gpio.h"), the definition
of ARCH_NR_GPIOS got removed. This started causing problems on SoCs like
Exynos4412 which have more than the default number of GPIOs. Thus define
this number in KConfig file which takes care of current SoC requirements
and provides scope for GPIO expanders. Without this patch we get the
following errors during boot:
gpiochip_add: gpios 251..258 (gpv0) failed to register
samsung-pinctrl
106e0000.pinctrl: failed to register gpio_chip gpv0, error code: -22
samsung-pinctrl: probe of
106e0000.pinctrl failed with error -22
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Takashi Iwai [Wed, 24 Jul 2013 09:42:34 +0000 (11:42 +0200)]
Merge tag 'asoc-v3.11-rc2' of git://git./linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v3.11
A few small updates again, the sgtl5000 one fixes some newly triggered
issues due to some probe ordering changes which were introduced in the
last merge window.
Eldad Zack [Tue, 23 Jul 2013 09:15:06 +0000 (11:15 +0200)]
ALSA: hiface: return correct XRUN indication
Return SNDRV_PCM_POS_XRUN (snd_pcm_uframes_t) instead of
SNDRV_PCM_STATE_XRUN (snd_pcm_state_t) from the pointer
function of hiface, as expected by snd_pcm_update_hw_ptr0().
Caught by sparse.
Cc: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Yadwinder Singh Brar [Wed, 24 Jul 2013 08:05:32 +0000 (17:05 +0900)]
ARM: EXYNOS: Fix low level debug support
Presently, using exynos_defconfig with CONFIG_DEBUG_LL and CONFIG_EARLY_PRIN
on, kernel is not booting, we are getting following:
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] kernel BUG at mm/vmalloc.c:1134!
[ 0.000000] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.11.0-rc1 #633
[ 0.000000] task:
c052ec48 ti:
c0524000 task.ti:
c0524000
[ 0.000000] PC is at vm_area_add_early+0x54/0x94
[ 0.000000] LR is at add_static_vm_early+0xc/0x60
Its because exynos[4/5]_map_io() function ioremaps a single 512KB memory
size for all the four uart ports which envelopes the mapping created by
debug_ll_io_init(), called earlier in exynos_init_io().
This patch removes iodesc entries for UART controller for all Samsung SoC's,
since now the Samsung uart driver does a ioremap during probe and any needed
iomapping for earlyprintk will be handled by debug_ll_io_init().
Tested on smdk4412 and smdk5250.
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Yadwinder Singh Brar [Wed, 24 Jul 2013 08:05:07 +0000 (17:05 +0900)]
ARM: SAMSUNG: Save/restore only selected uart's registers
Basically this code gets executed only during debugging i.e when
DEBUG_LL & SAMSUNG_PM_DEBUG is on, so required only for UART used
for debugging. Since we are removing static iodesc entries for UARTs,
so now only the selected (CONFIG_DEBUG_S3C_UART) UART will be
ioremapped by the debug_ll_io_init() for DEBUG_LL, so save/restore
uart registers only for selected uart.
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Herbert Xu [Wed, 24 Jul 2013 07:04:16 +0000 (17:04 +1000)]
Revert "crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework"
This reverts commits
67822649d7305caf3dd50ed46c27b99c94eff996
39761214eefc6b070f29402aa1165f24d789b3f7
0b95a7f85718adcbba36407ef88bba0a7379ed03
31d939625a9a20b1badd2d4e6bf6fd39fa523405
2d31e518a42828df7877bca23a958627d60408bc
Unfortunately this change broke boot on some systems that used an
initrd which does not include the newly created crct10dif modules.
As these modules are required by sd_mod under certain configurations
this is a serious problem.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>