Commit Graph

153286 Commits

Author SHA1 Message Date
Heiko Carstens
6b79d14e7a s390/dasd: fix ioctl return value
For unimplemented ioctls the dasd driver should return -ENOTTY.

Reported-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Acked-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-08-28 10:08:31 +02:00
Linus Torvalds
9160338de9 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
 "Here are two patches from Rafael Wysocki.

  One fixes an EHCI-related hibernation crash on ASUS boxes.  We fixed a
  similar suspend issue in v3.6-rc1, and this applies the same fix to
  the hibernate path.

  The other fixes D3/D3cold/D4 messages related to the D3cold support we
  merged in v3.6-rc1."

(Removed redundant top non-fast-forward merge commit from pulled branch)

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: EHCI: Fix crash during hibernation on ASUS computers
  PCI / PM: Fix D3/D3cold/D4 messages printed by acpi_pci_set_power_state()
2012-08-20 16:42:41 -07:00
Linus Torvalds
10c63c9aec More USB patches for 3.6-rc3
Here are 10 more USB patches for 3.6-rc3.  They all fix reported
 problems (build problems for one of them, and easily repeatable oopses
 for the others.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull more USB patches from Greg Kroah-Hartman:
 "Here are 10 more USB patches for 3.6-rc3.  They all fix reported
  problems (build problems for one of them, and easily repeatable oopses
  for the others.)

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'usb-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  gpu/mfd/usb: Fix USB randconfig problems
  USB: CDC ACM: Fix NULL pointer dereference
  USB: emi62: remove __devinit* from the struct usb_device_id table
  USB: winbond: remove __devinit* from the struct usb_device_id table
  USB: vt6656: remove __devinit* from the struct usb_device_id table
  USB: rtl8187: remove __devinit* from the struct usb_device_id table
  USB: p54usb: remove __devinit* from the struct usb_device_id table
  USB: spca506: remove __devinit* from the struct usb_device_id table
  USB: jl2005bcd: remove __devinit* from the struct usb_device_id table
  USB: smsusb: remove __devinit* from the struct usb_device_id table
2012-08-20 13:14:22 -07:00
Linus Torvalds
c3e2f79d2d dmesg fix for 3.6-rc3
Here is one fix for the dmesg line corruption problem that the previous
 set of patches caused.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull one more driver core fix from Greg Kroah-Hartman:
 "Here is one fix for the dmesg line corruption problem that the
  previous set of patches caused.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'driver-core-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  dyndbg: fix for SOH in logging messages
2012-08-20 13:13:47 -07:00
Linus Torvalds
b0fbfb0cec Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86
Pull x86 platform driver update from Matthew Garrett:
 "Some small updates for a few drivers, and some hardware enablement for
  new Ideapads and the gmux hardware in the latest Macs.

  This code won't run on older devices and has been well tested on new
  ones, so low risk of regressions."

* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
  ideapad: add Lenovo IdeaPad Z570 support (part 3)
  ideapad: add Lenovo IdeaPad Z570 support (part 2)
  ideapad: add Lenovo IdeaPad Z570 support (part 1)
  classmate-laptop: always call input_sync() after input_report_switch()
  thinkpad-acpi: recognize latest V-Series using DMI_BIOS_VENDOR
  dell-laptop: Fixed typo in touchpad LED quirk
  vga_switcheroo: Don't require handler init callback
  vga_switcheroo: Remove assumptions about registration/unregistration ordering
  apple-gmux: Add display mux support
  apple-gmux: Fix kconfig dependencies
  asus-wmi: record wlan status while controlled by userapp
  apple_gmux: Fix ACPI video unregister
  apple_gmux: Add support for newer hardware
  gmux: Add generic write32 function
2012-08-20 13:12:41 -07:00
Linus Torvalds
807b5169e2 One patch with section conflict fixes.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull a hwmon fix from Guenter Roeck:
 "One patch with section conflict fixes."

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  sections: Fix section conflicts in drivers/hwmon
2012-08-20 13:11:00 -07:00
Linus Torvalds
8a6b52140f spi: Updates for 3.6
Grant is still away so another pull request with some fairly minor
 fixes, the most notable of which are several fixes for some common error
 patterns with the reference counting spi_master_get/put do.
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Merge tag 'spi-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc

Pull spi fixes from Mark Brown:
 "Grant is still away so another pull request with some fairly minor
  fixes, the most notable of which are several fixes for some common
  error patterns with the reference counting spi_master_get/put do."

* tag 'spi-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc:
  spi/coldfire-qspi: Drop extra calls to spi_master_get in suspend/resume functions
  spi: spi-coldfire-qspi: Drop extra spi_master_put in device remove function
  spi/pl022: fix spi-pl022 pm enable at probe
  spi/bcm63xx: Ensure that memory is freed only after it is no longer used
  spi: omap2-mcspi: Fix the error handling in probe
  spi/s3c64xx: Add missing static storage class specifiers
2012-08-20 13:05:27 -07:00
Linus Torvalds
fd4d3328b2 regulator: Updates for 3.6
A bunch of fixes which are a combination of minor fixes that have been
 shaken down due to greater testing exposure, the biggest block of which
 are for the Palmas driver which hadn't had all the changes required for
 mainline properly tested when it was merged.
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Merge tag 'regulator-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A bunch of fixes which are a combination of minor fixes that have been
  shaken down due to greater testing exposure, the biggest block of
  which are for the Palmas driver which hadn't had all the changes
  required for mainline properly tested when it was merged."

* tag 'regulator-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: twl-regulator: fix up VINTANA1/VINTANA2
  regulator: core: request only valid gpio pins for regulator enable
  regulator: twl: Remove references to the twl4030 regulator
  regulator: gpio-regulator: Split setting of voltages and currents
  regulator: ab3100: add missing voltage table
  regulator: anatop: Fix wrong mask used in anatop_get_voltage_sel
  regulator: tps6586x: correct vin pin for sm0/sm1/sm2
  regulator: palmas: Fix palmas_probe error handling
  regulator: palmas: Call palmas_ldo_[read|write] in palmas_ldo_init
  regulator: palmas: Fix regmap offsets for PALMAS_REG_SMPS10 vsel_reg
  regulator: palmas: Fix calculating selector in palmas_map_voltage_ldo
2012-08-20 12:59:51 -07:00
Linus Torvalds
d408ea2a0d IOMMU Fixes for Linux v3.6-rc2
Two fixes are necessary. One patch fixes a boot crash on MacBook Air
 with interrupt remapping enabled and the other patch fixes a regression
 (which causes a boot crash on AMD IOMMUv2 systems too) in the init code
 of the AMD IOMMU driver.
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Merge tag 'iommu-fixes-v3.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "Two fixes are necessary.  One patch fixes a boot crash on MacBook Air
  with interrupt remapping enabled and the other patch fixes a
  regression (which causes a boot crash on AMD IOMMUv2 systems too) in
  the init code of the AMD IOMMU driver."

* tag 'iommu-fixes-v3.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/amd: Fix wrong check for ARRAY_SIZE()
  irq_remap: disable IRQ remapping if any IOAPIC lacks an IOMMU
2012-08-20 12:59:08 -07:00
Guenter Roeck
8f057d7bca gpu/mfd/usb: Fix USB randconfig problems
Fix config warning:

warning: ( ... && DRM_USB) selects USB which has unmet direct dependencies
(USB_SUPPORT && USB_ARCH_HAS_HCD)

and build error:
ERROR: "usb_speed_string" [drivers/usb/core/usbcore.ko] undefined!

by adding the missing dependency on USB_ARCH_HAS_HCD to DRM_UDL and DRM_USB.

This exposes:
drivers/video/Kconfig:36:error: recursive dependency detected!
drivers/video/Kconfig:36:       symbol FB is selected by DRM_KMS_HELPER
drivers/gpu/drm/Kconfig:28:     symbol DRM_KMS_HELPER is selected by DRM_UDL
drivers/gpu/drm/udl/Kconfig:1:  symbol DRM_UDL depends on USB_ARCH_HAS_HCD
drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI
drivers/usb/Kconfig:16: symbol USB_ARCH_HAS_OHCI depends on I2C
drivers/i2c/Kconfig:5:  symbol I2C is selected by FB_DDC
drivers/video/Kconfig:86:       symbol FB_DDC is selected by FB_CYBER2000_DDC
drivers/video/Kconfig:385:      symbol FB_CYBER2000_DDC depends on FB_CYBER2000
drivers/video/Kconfig:373:      symbol FB_CYBER2000 depends on FB

which is due to drivers/usb/Kconfig:
config USB_ARCH_HAS_OHCI
	...
	default y if ARCH_PNX4008 && I2C

Fix by dropping I2C from the above dependency; logic is that this is not a
platform dependency but a configuration dependency: the _architecture_ still
supports USB even is I2C is not selected.

This exposes:
drivers/video/Kconfig:36:error: recursive dependency detected!
drivers/video/Kconfig:36:       symbol FB is selected by DRM_KMS_HELPER
drivers/gpu/drm/Kconfig:28:     symbol DRM_KMS_HELPER is selected by DRM_UDL
drivers/gpu/drm/udl/Kconfig:1:  symbol DRM_UDL depends on USB_ARCH_HAS_HCD
drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI
drivers/usb/Kconfig:17: symbol USB_ARCH_HAS_OHCI depends on MFD_TC6393XB
drivers/mfd/Kconfig:396:        symbol MFD_TC6393XB depends on GPIOLIB
drivers/gpio/Kconfig:35:        symbol GPIOLIB is selected by FB_VIA
drivers/video/Kconfig:1560:     symbol FB_VIA depends on FB

which can be fixed by having MFD_TC6393XB select GPIOLIB instead of depending on
it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-20 11:52:41 -07:00
Maxim Mikityanskiy
0c7bbeb9f1 ideapad: add Lenovo IdeaPad Z570 support (part 3)
The patch adds support for Lenovo IdeaPad Z570 laptop. It makes all special
keys working, adds possibility to control fan like Windows does, controls
Touchpad Disabled LED, toggles touchpad state via keyboard controller and
corrects touchpad behavior on resume from suspend. It is new, modified
version of patch. Now it does not depend on psmouse and does not need patching
of input subsystem.

Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>

This is the part 3 for fan control

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-20 12:44:41 -04:00
Maxim Mikityanskiy
07a4a4fc83 ideapad: add Lenovo IdeaPad Z570 support (part 2)
The patch adds support for Lenovo IdeaPad Z570 laptop. It makes all special
keys working, adds possibility to control fan like Windows does, controls
Touchpad Disabled LED, toggles touchpad state via keyboard controller and
corrects touchpad behavior on resume from suspend. It is new, modified
version of patch. Now it does not depend on psmouse and does not need patching
of input subsystem.

Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>

This is part 2 for touchpad toggle

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-20 12:44:34 -04:00
Maxim Mikityanskiy
296f9fe05d ideapad: add Lenovo IdeaPad Z570 support (part 1)
The patch adds support for Lenovo IdeaPad Z570 laptop. It makes all special
keys working, adds possibility to control fan like Windows does, controls
Touchpad Disabled LED, toggles touchpad state via keyboard controller and
corrects touchpad behavior on resume from suspend. It is new, modified
version of patch. Now it does not depend on psmouse and does not need patching
of input subsystem.

Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>

This is part 1 for special button handling.

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-20 12:35:30 -04:00
Markus Trippelsdorf
ebdc82899e dyndbg: fix for SOH in logging messages
commit af7f2158fd was done against master, and clashed with structured
logging's change of KERN_LEVEL to SOH.

Bisected and fixed by Markus Trippelsdorf.

Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jason Baron <jbaron@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-18 23:40:13 -07:00
Andi Kleen
64f503076f sections: Fix section conflicts in drivers/hwmon
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-08-18 16:17:43 -07:00
Linus Torvalds
d9ec0fdc24 Power management fixes for 3.6-rc3
* Fixes for three obscure problems in the runtime PM core code found recently.
 * Two fixes for the new "coupled" cpuidle code from Colin Cross and
   Jon Medhurst.
 * intel_idle driver fix from Konrad Rzeszutek Wilk.
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Merge tag 'pm-for-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael J. Wysocki:
  - Fixes for three obscure problems in the runtime PM core code found
   recently.
 - Two fixes for the new "coupled" cpuidle code from Colin Cross and Jon
   Medhurst.
 - intel_idle driver fix from Konrad Rzeszutek Wilk.

* tag 'pm-for-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  intel_idle: Check cpu_idle_get_driver() for NULL before dereferencing it.
  cpuidle: Prevent null pointer dereference in cpuidle_coupled_cpu_notify
  cpuidle: coupled: fix sleeping while atomic in cpu notifier
  PM / Runtime: Check device PM QoS setting before "no callbacks" check
  PM / Runtime: Clear power.deferred_resume on success in rpm_suspend()
  PM / Runtime: Fix rpm_resume() return value for power.no_callbacks set
2012-08-18 14:39:19 -07:00
Sven Schnelle
99f347caa4 USB: CDC ACM: Fix NULL pointer dereference
If a device specifies zero endpoints in its interface descriptor,
the kernel oopses in acm_probe(). Even though that's clearly an
invalid descriptor, we should test wether we have all endpoints.
This is especially bad as this oops can be triggered by just
plugging a USB device in.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-17 17:55:46 -07:00
Greg Kroah-Hartman
83957df21d USB: emi62: remove __devinit* from the struct usb_device_id table
This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-17 17:50:45 -07:00
Greg Kroah-Hartman
43a34695d9 USB: winbond: remove __devinit* from the struct usb_device_id table
This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
CC: Pavel Machek <pavel@ucw.cz>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: "John W. Linville" <linville@tuxdriver.com>
CC: Eliad Peller <eliad@wizery.com>
CC: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-17 17:50:45 -07:00
Greg Kroah-Hartman
4d088876f2 USB: vt6656: remove __devinit* from the struct usb_device_id table
This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
CC: Forest Bond <forest@alittletooquiet.net>
CC: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Jesper Juhl <jj@chaosbits.net>
CC: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-17 17:50:45 -07:00
Greg Kroah-Hartman
a3433179d0 USB: rtl8187: remove __devinit* from the struct usb_device_id table
This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
CC: Herton Ronaldo Krzesinski <herton@canonical.com>
CC: Hin-Tak Leung <htl10@users.sourceforge.net>
CC: Larry Finger <Larry.Finger@lwfinger.net>
CC: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-17 17:50:45 -07:00
Greg Kroah-Hartman
b9c4167cbb USB: p54usb: remove __devinit* from the struct usb_device_id table
This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
CC: Christian Lamparter <chunkeey@googlemail.com>
CC: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-17 17:50:44 -07:00
Greg Kroah-Hartman
e694d51888 USB: spca506: remove __devinit* from the struct usb_device_id table
This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
CC: Hans de Goede <hdegoede@redhat.com>
CC: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-17 17:50:44 -07:00
Greg Kroah-Hartman
ec06335168 USB: jl2005bcd: remove __devinit* from the struct usb_device_id table
This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
CC: Hans de Goede <hdegoede@redhat.com>
CC: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-17 17:50:44 -07:00
Greg Kroah-Hartman
d04dbd1c0e USB: smsusb: remove __devinit* from the struct usb_device_id table
This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
CC: Mauro Carvalho Chehab <mchehab@infradead.org>
CC: Michael Krufky <mkrufky@linuxtv.org>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Doron Cohen <doronc@siano-ms.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-17 17:50:44 -07:00
Linus Torvalds
1ce41cd849 2 fixes for md, tagged for -stable
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Merge tag 'md-3.6-fixes' of git://neil.brown.name/md

Pull md fixes from NeilBrown:
 "2 fixes for md, tagged for -stable"

* tag 'md-3.6-fixes' of git://neil.brown.name/md:
  md/raid10: fix problem with on-stack allocation of r10bio structure.
  md: Don't truncate size at 4TB for RAID0 and Linear
2012-08-17 17:47:32 -07:00
NeilBrown
e0ee778528 md/raid10: fix problem with on-stack allocation of r10bio structure.
A 'struct r10bio' has an array of per-copy information at the end.
This array is declared with size [0] and r10bio_pool_alloc allocates
enough extra space to store the per-copy information depending on the
number of copies needed.

So declaring a 'struct r10bio on the stack isn't going to work.  It
won't allocate enough space, and memory corruption will ensue.

So in the two places where this is done, declare a sufficiently large
structure and use that instead.

The two call-sites of this bug were introduced in 3.4 and 3.5
so this is suitable for both those kernels.  The patch will have to
be modified for 3.4 as it only has one bug.

Cc: stable@vger.kernel.org
Reported-by: Ivan Vasilyev <ivan.vasilyev@gmail.com>
Tested-by: Ivan Vasilyev <ivan.vasilyev@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
2012-08-18 09:51:42 +10:00
Guenter Roeck
af36107968 spi/coldfire-qspi: Drop extra calls to spi_master_get in suspend/resume functions
Suspend and resume functions call spi_master_get() without matching
spi_master_put(). The extra references are unnecessary and cause
subsequent module unload attempts to fail, so drop the calls.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-17 22:46:41 +01:00
Guenter Roeck
a0c3652caa spi: spi-coldfire-qspi: Drop extra spi_master_put in device remove function
The call sequence spi_alloc_master/spi_register_master/spi_unregister_master is
complete; it reduces the device reference count to zero, which and results in
device memory being freed. The subsequent call to spi_master_put is unnecessary
and results in an access to free memory. Drop it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-17 22:46:41 +01:00
Michel JAOUEN
6887237cd7 spi/pl022: fix spi-pl022 pm enable at probe
amba drivers does not need to enable pm runtime at probe.
amba_probe already enables pm runtime.

This rids this warning in the ux500 boot log:
ssp-pl022 ssp0: Unbalanced pm_runtime_enable!

Signed-off-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-17 22:46:41 +01:00
Carlos Alberto Lopez Perez
ad20c73b05 classmate-laptop: always call input_sync() after input_report_switch()
Due to commit cdda911c34 evdev only
becomes readable when the buffer contains an EV_SYN/SYN_REPORT event.

So in order to read the tablet sensor data as it happens we need to
ensure that we always call input_sync() after input_report_switch()

Signed-off-by: Carlos Alberto Lopez Perez <clopez@igalia.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-17 17:34:42 -04:00
Manoj Iyer
a4f46bb9fa thinkpad-acpi: recognize latest V-Series using DMI_BIOS_VENDOR
In the latest V-series bios DMI_PRODUCT_VERSION does not contain
the string Lenovo or Thinkpad, but is set to the model number, this
causes the thinkpad_acpi module to fail to load. Recognize laptop
as Lenovo using DMI_BIOS_VENDOR instead, which is set to Lenovo.

Test on V490u
=============
== After the patch ==

[ 1350.295757] thinkpad_acpi: ThinkPad ACPI Extras v0.24
[ 1350.295760] thinkpad_acpi: http://ibm-acpi.sf.net/
[ 1350.295761] thinkpad_acpi: ThinkPad BIOS H7ET21WW (1.00 ), EC unknown
[ 1350.295763] thinkpad_acpi: Lenovo LENOVO, model LV5DXXX
[ 1350.296086] thinkpad_acpi: detected a 8-level brightness capable ThinkPad
[ 1350.296694] thinkpad_acpi: radio switch found; radios are enabled
[ 1350.296703] thinkpad_acpi: possible tablet mode switch found; ThinkPad in laptop mode
[ 1350.306466] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
[ 1350.307082] Registered led device: tpacpi::thinklight
[ 1350.307215] Registered led device: tpacpi::power
[ 1350.307255] Registered led device: tpacpi::standby
[ 1350.307294] Registered led device: tpacpi::thinkvantage
[ 1350.308160] thinkpad_acpi: Standard ACPI backlight interface available, not loading native one
[ 1350.308333] thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
[ 1350.312287] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input14

== Before the patch ==
sudo modprobe thinkpad_acpi
FATAL: Error inserting thinkpad_acpi (/lib/modules/3.2.0-27-generic/kernel/drivers/platform/x86/thinkpad_acpi.ko): No such device

Test on B485
=============
This patch was also test in a B485 where the thinkpad_acpi module does not
have any issues loading. But, I tested it to make sure this patch does not
break on already functioning models of Lenovo products.

[13486.746359] thinkpad_acpi: ThinkPad ACPI Extras v0.24
[13486.746364] thinkpad_acpi: http://ibm-acpi.sf.net/
[13486.746368] thinkpad_acpi: ThinkPad BIOS HJET15WW(1.01), EC unknown
[13486.746373] thinkpad_acpi: Lenovo Lenovo LB485, model 814TR01
[13486.747300] thinkpad_acpi: detected a 8-level brightness capable ThinkPad
[13486.752435] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
[13486.752883] Registered led device: tpacpi::thinklight
[13486.752915] thinkpad_acpi: Standard ACPI backlight interface available, not loading native one
[13486.753216] thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
[13486.757147] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input15

Signed-off-by: Manoj Iyer <manoj.iyer@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-17 17:34:42 -04:00
AceLan Kao
a2174ba29a dell-laptop: Fixed typo in touchpad LED quirk
Fixed the typo introduced from the below commit
5f1e88f dell-laptop: Add 6 machines to touchpad led quirk

Reported-by: Carlos Alberto Lopez Perez <clopez@igalia.com>
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-17 17:34:42 -04:00
Seth Forshee
e99eac5e4e vga_switcheroo: Don't require handler init callback
This callback is a no-op in nouveau, and the upcoming apple-gmux
switcheroo support won't require it either. Rather than forcing drivers
to stub it out, just make it optional and remove the callback from
nouveau.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-17 17:34:41 -04:00
Seth Forshee
36704c0c4c vga_switcheroo: Remove assumptions about registration/unregistration ordering
vga_switcheroo assumes that the handler will be registered before the
last client, otherwise switching will not be enabled. Likewise it's
assumed that the handler will not be unregistered without at least one
client also being unregistered, otherwise switching will remain enabled
despite no longer having a handler. These assumptions cannot be enforced
if the handler is in a separate driver from both clients, as with the
gmux found in Apple laptops. Remove this assumption.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-17 17:34:41 -04:00
Andreas Heider
76b487dd51 apple-gmux: Add display mux support
Add support for the gmux display muxing functionality and register a mux
handler with vga_switcheroo.

Signed-off-by: Andreas Heider <andreas@meetr.de>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-17 17:34:40 -04:00
Seth Forshee
f94f0f103c apple-gmux: Fix kconfig dependencies
Fix the dependencies of apple-gmux to prevent it from being built-in
when one or more of its dependencies is built as a module. Otherwise it
can fail to build due to missing symbols.

v2: Add dependency on ACPI to fix build failure when ACPI=n

Reported-by: Arun Raghavan <arun.raghavan@collabora.co.uk>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-17 17:34:40 -04:00
AceLan Kao
a50bd128f2 asus-wmi: record wlan status while controlled by userapp
If the user bit is set, that mean BIOS can't set and record the wlan
status, it will report the value read from id ASUS_WMI_DEVID_WLAN_LED
(0x00010012) while we query the wlan status by id ASUS_WMI_DEVID_WLAN
(0x00010011) through WMI.
So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED
(0x00010012) while setting the wlan status through WMI.
This is also the behavior that windows app will do.

Quote from ASUS application engineer
===
When you call WMIMethod(DSTS, 0x00010011) to get WLAN status, it may return

(1) 0x00050001 (On)
(2) 0x00050000 (Off)
(3) 0x00030001 (On)
(4) 0x00030000 (Off)
(5) 0x00000002 (Unknown)

(1), (2) means that the model has hardware GPIO for WLAN, you can call
WMIMethod(DEVS, 0x00010011, 1 or 0) to turn WLAN on/off.
(3), (4) means that the model doesn’t have hardware GPIO, you need to use
API or driver library to turn WLAN on/off, and call
WMIMethod(DEVS, 0x00010012, 1 or 0) to set WLAN LED status.
After you set WLAN LED status, you can see the WLAN status is changed with
WMIMethod(DSTS, 0x00010011). Because the status is recorded lastly
(ex: Windows), you can use it for synchronization.
(5) means that the model doesn’t have WLAN device.

WLAN is the ONLY special case with upper rule.

For other device, like Bluetooth, you just need use
WMIMethod(DSTS, 0x00010013) to get, and WMIMethod(DEVS, 0x00010013, 1 or 0)
to set.
===

Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-17 17:34:39 -04:00
Matthew Garrett
9f6f955ae4 apple_gmux: Fix ACPI video unregister
We were only calling acpi_video_unregister() if ACPI video support was built
in, not if it was a module.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-17 17:34:39 -04:00
Matthew Garrett
96ff705638 apple_gmux: Add support for newer hardware
New gmux devices have a different method for accessing the registers.
Update the driver to cope. Incorporates feedback from Bernhard Froemel.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Bernhard Froemel <froemel@vmars.tuwien.ac.at>
Cc: Seth Forshee <seth.forshee@canonical.com>
2012-08-17 17:34:39 -04:00
Matthew Garrett
7e30ed6bdd gmux: Add generic write32 function
Move the special-cased backlight update function to a generic gmux_write32
function.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Seth Forshee <seth.forshee@canonical.com>
2012-08-17 17:34:38 -04:00
Linus Torvalds
846b99964a Grab bag of InfiniBand/RDMA fixes:
- IPoIB fixes for regressions introduced by path database conversion
  - mlx4 fixes for bugs with large memory systems and regressions from SR-IOV patches
  - RDMA CM fix for passing bad event up to userspace
  - Other minor fixes
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull infiniband/rdma fixes from Roland Dreier:
 "Grab bag of InfiniBand/RDMA fixes:
   - IPoIB fixes for regressions introduced by path database conversion
   - mlx4 fixes for bugs with large memory systems and regressions from
     SR-IOV patches
   - RDMA CM fix for passing bad event up to userspace
   - Other minor fixes"

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  IB/mlx4: Check iboe netdev pointer before dereferencing it
  mlx4_core: Clean up buddy bitmap allocation
  mlx4_core: Fix integer overflow issues around MTT table
  mlx4_core: Allow large mlx4_buddy bitmaps
  IB/srp: Fix a race condition
  IB/qib: Fix error return code in qib_init_7322_variables()
  IB: Fix typos in infiniband drivers
  IB/ipoib: Fix RCU pointer dereference of wrong object
  IB/ipoib: Add missing locking when CM object is deleted
  RDMA/ucma.c: Fix for events with wrong context on iWARP
  RDMA/ocrdma: Don't call vlan_dev_real_dev() for non-VLAN netdevs
  IB/mlx4: Fix possible deadlock on sm_lock spinlock
2012-08-17 11:45:58 -07:00
Linus Torvalds
225a389b31 TTY fixes for 3.6-rc3
Here are 4 tiny patches, each fixing a serial driver problem that people
 have reported.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull TTY fixes from Greg Kroah-Hartman:
 "Here are 4 tiny patches, each fixing a serial driver problem that
  people have reported.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'tty-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  pmac_zilog,kdb: Fix console poll hook to return instead of loop
  serial: mxs-auart: fix the wrong RTS hardware flow control
  serial: ifx6x60: fix paging fault on spi_register_driver
  serial: Change Kconfig entry for CLPS711X-target
2012-08-17 11:12:28 -07:00
Konrad Rzeszutek Wilk
3735d524da intel_idle: Check cpu_idle_get_driver() for NULL before dereferencing it.
If the machine is booted without any cpu_idle driver set
(b/c disable_cpuidle() has been called) we should follow
other users of cpu_idle API and check the return value
for NULL before using it.

Reported-and-tested-by: Mark van Dijk <mark@internecto.net>
Suggested-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-08-17 19:37:14 +02:00
Jon Medhurst (Tixy)
5fbbb90dfd cpuidle: Prevent null pointer dereference in cpuidle_coupled_cpu_notify
When a kernel is built to support multiple hardware types it's possible
that CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is set but the hardware the
kernel is run on doesn't support cpuidle and therefore doesn't load a
driver for it. In this case, when the system is shut down,
cpuidle_coupled_cpu_notify() gets called with cpuidle_devices set to
NULL. There are quite possibly other circumstances where this
situation can also occur and we should check for it.

Signed-off-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-08-17 19:37:08 +02:00
Colin Cross
63c6ba4352 cpuidle: coupled: fix sleeping while atomic in cpu notifier
The cpu hotplug notifier gets called in both atomic and non-atomic
contexts, it is not always safe to lock a mutex.  Filter out all events
except the six necessary ones, which are all sleepable, before taking
the mutex.

Signed-off-by: Colin Cross <ccross@android.com>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-08-17 19:37:01 +02:00
Rafael J. Wysocki
55d7ec4520 PM / Runtime: Check device PM QoS setting before "no callbacks" check
If __dev_pm_qos_read_value(dev) returns a negative value,
rpm_suspend() should return -EPERM for dev even if its
power.no_callbacks flag is set.  For this to happen, the device's
power.no_callbacks flag has to be checked after the PM QoS check,
so move the PM QoS check to rpm_check_suspend_allowed() (this will
make it cover idle notifications as well as runtime suspend too).

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable@vger.kernel.org
2012-08-17 19:36:36 +02:00
Rafael J. Wysocki
58a34de7b1 PM / Runtime: Clear power.deferred_resume on success in rpm_suspend()
The power.deferred_resume can only be set if the runtime PM status
of device is RPM_SUSPENDING and it should be cleared after its
status has been changed, regardless of whether or not the runtime
suspend has been successful.  However, it only is cleared on
suspend failure, while it may remain set on successful suspend and
is happily leaked to rpm_resume() executed in that case.

That shouldn't happen, so if power.deferred_resume is set in
rpm_suspend() after the status has been changed to RPM_SUSPENDED,
clear it before calling rpm_resume().  Then, it doesn't need to be
cleared before changing the status to RPM_SUSPENDING any more,
because it's always cleared after the status has been changed to
either RPM_SUSPENDED (on success) or RPM_ACTIVE (on failure).

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable@vger.kernel.org
2012-08-17 19:36:36 +02:00
Rafael J. Wysocki
7f321c26c0 PM / Runtime: Fix rpm_resume() return value for power.no_callbacks set
For devices whose power.no_callbacks flag is set, rpm_resume()
should return 1 if the device's parent is already active, so that
the callers of pm_runtime_get() don't think that they have to wait
for the device to resume (asynchronously) in that case (the core
won't queue up an asynchronous resume in that case, so there's
nothing to wait for anyway).

Modify the code accordingly (and make sure that an idle notification
will be queued up on success, even if 1 is to be returned).

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable@vger.kernel.org
2012-08-17 19:36:35 +02:00
Linus Torvalds
557e2e2eef Staging fixes for 3.6-rc3
Here are some staging driver fixes (and iio driver fixes, they get lumped in
 with the staging stuff due to dependancies) for your 3.6-rc3 tree.
 
 Nothing major, just a bunch of fixes that people have reported.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging fixes from Greg Kroah-Hartman:
 "Here are some staging driver fixes (and iio driver fixes, they get
  lumped in with the staging stuff due to dependancies) for your 3.6-rc3
  tree.

  Nothing major, just a bunch of fixes that people have reported.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'staging-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (26 commits)
  iio: lm3533-als: Fix build warnings
  staging:iio:ad7780: Mark channels as unsigned
  staging:iio:ad7192: Report offset and scale for temperature channel
  staging:iio:ad7192: Report channel offset
  staging:iio:ad7192: Mark channels as unsigned
  staging:iio:ad7192: Fix setting ACX
  staging:iio:ad7192: Add missing break in switch statement
  staging:iio:ad7793: Fix internal reference value
  staging:iio:ad7793: Follow new IIO naming spec
  staging:iio:ad7793: Fix temperature scale and offset
  staging:iio:ad7793: Report channel offset
  staging:iio:ad7793: Mark channels as unsigned
  staging:iio:ad7793: Add missing break in switch statement
  iio/adjd_s311: Fix potential memory leak in adjd_s311_update_scan_mode()
  iio: frequency: ADF4350: Fix potential reference div factor overflow.
  iio: staging: ad7298_ring: Fix maybe-uninitialized warning
  staging: comedi: usbduxfast: Declare MODULE_FIRMWARE usage
  staging: comedi: usbdux: Declare MODULE_FIRMWARE usage
  staging: comedi: usbduxsigma: Declare MODULE_FIRMWARE usage
  staging: csr: add INET dependancy
  ...
2012-08-17 10:17:03 -07:00