Commit Graph

174867 Commits

Author SHA1 Message Date
Roger Quadros
8c3ec38550 USB: ohci-omap3: Get platform resources by index rather than by name
Since there is only one resource per type we don't really need
to use resource name to obtain it. This also also makes it easier
for device tree adaptation.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:51:46 -07:00
Roger Quadros
3414211b91 USB: ehci-omap: Get platform resources by index rather than by name
Since there is only one resource per type we don't really need
to use resource name to obtain it. This also also makes it easier
for device tree adaptation.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:51:46 -07:00
Roger Quadros
dfdf9ad92a USB: ehci-omap: Select NOP USB transceiver driver
In PHY mode we need to have the nop-usb-xceiv transceiver
driver to operate, so select it in Kconfig.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:51:46 -07:00
Roger Quadros
218a214723 USB: ehci-omap: Remove PHY regulator handling code
PHY regulator handling must be done in the PHY driver

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:51:46 -07:00
Roger Quadros
87425ad363 USB: ehci-omap: Remove PHY reset handling code
Reset GPIO handling for the PHY must be done in the PHY
driver. We use the PHY helpers instead to reset the PHY.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:51:46 -07:00
Roger Quadros
dcd64063fd USB: ehci-omap: Use PHY APIs to get the PHY device and put it out of suspend
For each port that is in PHY mode we obtain a PHY device using the USB PHY
library and put it out of suspend.

It is up to platform code to associate the PHY to the controller's
port and it is up to the PHY driver to manage the PHY's resources.

Also remove weird spacing around declarations we come across.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:51:46 -07:00
Roger Quadros
18c2bb1b8c USB: ehci-omap: Use devm_ioremap_resource()
Make use of devm_ioremap_resource() and correct comment.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:51:46 -07:00
Alan Stern
54a419668b USB: EHCI: split ehci-omap out to a separate driver
This patch (as1645) converts ehci-omap over to the new "ehci-hcd is a
library" approach, so that it can coexist peacefully with other EHCI
platform drivers and can make use of the private area allocated at
the end of struct ehci_hcd.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:51:45 -07:00
Colin Ian King
a1645eefc8 usb: misc: sisusbvga: Avoid NULL pointer dereference from sisusb
A failed kzalloc() is reported with a dev_err that dereferences the null
sisusb, this will cause a NULL pointer deference error.

Instead, pass dev->dev to the dev_err() rather than &sisusb->sisusb_dev->dev

Smatch analysis:

drivers/usb/misc/sisusbvga/sisusb.c:3087 sisusb_probe() error: potential null
  dereference 'sisusb'.  (kzalloc returns null)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:51:01 -07:00
Zhang Yanfei
5b2750d5b5 driver: usb: storage: remove cast for kmalloc return value
remove cast for kmalloc return value.

Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-usb@vger.kernel.org
Cc: usb-storage@lists.one-eyed-alien.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:51:01 -07:00
Wei Yongjun
8244ac043c USB: misc: usb3503: use module_i2c_driver to simplify the code
Use the module_i2c_driver() macro to make the code smaller
and a bit simpler.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:48:10 -07:00
Paul Vlase
07cd29d765 usb: Use resource_size function
Signed-off-by: Paul Vlase <vlase.paul@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:48:09 -07:00
Samuel Tardieu
a4dee9c9fd USB: cdc-acm: Remove obsolete predefined speeds array
Modern speed handling has been introduced in 2009 by commit
9b80fee149 (cdc_acm: Fix to use modern
speed interfaces) and the acm_tty_speed array has been unused since.

Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Acked-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:48:09 -07:00
Syam Sidhardhan
ae8d487966 usb: serial: Remove redundant NULL check before kfree
kfree on NULL pointer is a no-op.

Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:45:16 -07:00
Dan Carpenter
bba90aedb0 usb: storage: onetouch: tighten a range check
Smatch complains because we only allocate ONETOUCH_PKT_LEN (2) bytes
but later when we call usb_fill_int_urb() we assume maxp can be up
to 8 bytes.  I talked to the maintainer and maxp should be capped at
ONETOUCH_PKT_LEN.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:45:16 -07:00
Dmitry Torokhov
39d35681d5 USB: remove incorrect __exit markups
Even if bus is not hot-pluggable, the devices can be unbound from the
driver via sysfs, so we should not be using __exit annotations on
remove() methods. The only exception is drivers registered with
platform_driver_probe() which specifically disables sysfs bind/unbind
attributes.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:45:16 -07:00
Peter Hurley
8a7298d361 usb/serial: Remove unnecessary check for console
The tty port ops shutdown() routine is not called for console ports;
remove extra check.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Acked-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:45:15 -07:00
Fabio Estevam
f1bffc8ca6 usb: host: ehci-mxc: Remove dev_info on probe
It is not very useful to indicate the the driver is about to be probed.

Quoting Alan Stern [1]:

"Plenty of drivers don't include any message like this at all.  You
might as well get rid of it entirely."

Remove such dev_info().

[1] http://marc.info/?l=linux-usb&m=136138896132433&w=2

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:24:56 -07:00
Fabio Estevam
9143b771f1 usb: host: ehci-mxc: Remove unneeded header file
Since commit c0304996b (USB: ehci-mxc: remove Efika MX-specific CHRGVBUS hack)
there is no need to include <asm/mach-types.h>, so remove it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:24:55 -07:00
Fabio Estevam
302beda983 usb: chipidea: usbmisc_imx6q: Staticize usbmisc_imx6q_drv_init/exit()
Staticize usbmisc_imx6q_drv_init/exit() to fix the following sparse warnings:

drivers/usb/chipidea/usbmisc_imx6q.c:147:12: warning: symbol 'usbmisc_imx6q_drv_init' was not declared. Should it be static?
drivers/usb/chipidea/usbmisc_imx6q.c:153:13: warning: symbol 'usbmisc_imx6q_drv_exit' was not declared. Should it be static?

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15 11:24:55 -07:00
Greg Kroah-Hartman
901cb2ab2c Staging: ccg: remove it from the build
This driver has been nothing but trouble, and no one shipping a new
Android device uses it, so let's just drop it, making the USB Gadget
driver authors lives a whole lot easier as they do their rework.

Cc: John Stultz <john.stultz@linaro.org>
Cc: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-14 15:25:36 -07:00
Linus Torvalds
72932611b4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull namespace bugfixes from Eric Biederman:
 "This is three simple fixes against 3.9-rc1.  I have tested each of
  these fixes and verified they work correctly.

  The userns oops in key_change_session_keyring and the BUG_ON triggered
  by proc_ns_follow_link were found by Dave Jones.

  I am including the enhancement for mount to only trigger requests of
  filesystem modules here instead of delaying this for the 3.10 merge
  window because it is both trivial and the kind of change that tends to
  bit-rot if left untouched for two months."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  proc: Use nd_jump_link in proc_ns_follow_link
  fs: Limit sys_mount to only request filesystem modules (Part 2).
  fs: Limit sys_mount to only request filesystem modules.
  userns: Stop oopsing in key_change_session_keyring
2013-03-09 16:51:13 -08:00
Linus Torvalds
8343bce195 Atmel MXT touchscreen: increase reset timeouts
There is a more complete atmel patch-series out by Nick Dyer that fixes
this and other things, but in the meantime this is the minimal thing to
get the touchscreen going on (at least my) Pixel Chromebook.

Not that I want my dirty fingers near that beautiful screen, but it
seems that a non-initialized touchscreen will also end up being a
constant wakeup source, so you have to disable it to go to sleep.  And
it's easier to just fix the initialization sequence.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-09 10:31:01 -08:00
Benson Leung
2ef392042d Platform: x86: chromeos_laptop : Add basic platform data for atmel devices
Add basic platform data to get the current upstream driver working
with the 224s touchpad and 1664s touchscreen.
We will be using NULL config so we will use the settings from the
devices' NVRAMs.

Signed-off-by: Benson Leung <bleung@chromium.org>
Tested-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08 16:03:29 -08:00
Daniel Kurtz
22dfab7fd7 Input: atmel_mxt_ts - Support for touchpad variant
This same driver can be used by atmel based touchscreens and touchpads
(buttonpads). Platform data may specify a device is a touchpad
using the is_tp flag.

This will cause the driver to perform some touchpad specific
initializations, such as:
  * register input device name "Atmel maXTouch Touchpad" instead of
  Touchscreen.
  * register BTN_LEFT & BTN_TOOL_* event types.
  * register axis resolution (as a fixed constant, for now)
  * register BUTTONPAD property
  * process GPIO buttons using reportid T19

Input event GPIO mapping is done by the platform data key_map array.

key_map[x] should contain the KEY or BTN code to send when processing
GPIOx from T19. To specify a GPIO as not an input source, populate
with KEY_RESERVED, or 0.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Tested-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08 16:03:29 -08:00
Linus Torvalds
59d8e5eb2b Merge branch 'akpm' (fixes from Andrew)
Merge misc fixes from Andrew Morton.

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  alpha: boot: fix build breakage introduced by system.h disintegration
  memcg: initialize kmem-cache destroying work earlier
  Randy has moved
  ksm: fix m68k build: only NUMA needs pfn_to_nid
  dmi_scan: fix missing check for _DMI_ signature in smbios_present()
  Revert parts of "hlist: drop the node parameter from iterators"
  idr: remove WARN_ON_ONCE() on negative IDs
  mm/mempolicy.c: fix sp_node_init() argument ordering
  mm/mempolicy.c: fix wrong sp_node insertion
  ipc: don't allocate a copy larger than max
  ipc: fix potential oops when src msg > 4k w/ MSG_COPY
2013-03-08 15:05:42 -08:00
Ben Hutchings
a40e7cf8f0 dmi_scan: fix missing check for _DMI_ signature in smbios_present()
Commit 9f9c9cbb60 ("drivers/firmware/dmi_scan.c: fetch dmi version
from SMBIOS if it exists") hoisted the check for "_DMI_" into
dmi_scan_machine(), which means that we don't bother to check for
"_DMI_" at offset 16 in an SMBIOS entry.  smbios_present() may also call
dmi_present() for an address where we found "_SM_", if it failed further
validation.

Check for "_DMI_" in smbios_present() before calling dmi_present().

[akpm@linux-foundation.org: fix build]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Reported-by: Tim McGrath <tmhikaru@gmail.com>
Tested-by: Tim Mcgrath <tmhikaru@gmail.com>
Cc: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08 15:05:34 -08:00
Linus Torvalds
d381f45c89 Merge branch 'for-3.9/upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fix from Jiri Kosina:
 "Bugfix for a long-standing bug in logitech-dj driver causing all sorts
  of random initialization problems, finally debugged by Benjamin
  Tissoires with help of Bob Bowles."

* 'for-3.9/upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: logitech-dj: do not directly call hid_output_raw_report() during probe
2013-03-08 14:42:52 -08:00
Linus Torvalds
c77f8bf918 Fix a circular locking dependency in random's collection of cputime
used by a thread when it exits.
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

Pull random fixes from Ted Ts'o:
 "Fix a circular locking dependency in random's collection of cputime
  used by a thread when it exits."

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
  random: fix locking dependency with the tasklist_lock
2013-03-08 14:42:16 -08:00
Linus Torvalds
47b3bc9073 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "Several boot fixes (MacBook, legacy EFI bootloaders), another
  please-don't-brick fix, and some minor stuff."

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Do not try to sync identity map for non-mapped pages
  x86, doc: Be explicit about what the x86 struct boot_params requires
  x86: Don't clear efi_info even if the sentinel hits
  x86, mm: Make sure to find a 2M free block for the first mapped area
  x86: Fix 32-bit *_cpu_data initializers
  efivarfs: return accurate error code in efivarfs_fill_super()
  efivars: efivarfs_valid_name() should handle pstore syntax
  efi: be more paranoid about available space when creating variables
  iommu, x86: Add DMA remap fault reason
  x86, smpboot: Remove unused variable
2013-03-07 15:57:38 -08:00
Linus Torvalds
af2841cdd4 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Misc radeon, nouveau, mgag200 and intel fixes.

  The intel fixes should contain the fix for the touchpad on the
  Chromebook - hey I'm an input maintainer now!"

Hate to pee on your parade, Dave, but I don't think being an input
maintainer is necessarily something to strive for..

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (25 commits)
  drm/tegra: drop "select DRM_HDMI"
  drm: Documentation typo fixes
  drm/mgag200: Bug fix: Renesas board now selects native resolution.
  drm/mgag200: Reject modes that are too big for VRAM
  drm/mgag200: 'fbdev_list' in 'struct mga_fbdev' is not used
  drm/radeon: don't check mipmap alignment if MIP_ADDRESS is FMASK
  drm/radeon: skip MC reset as it's probably not hung
  drm/radeon: add primary dac adj quirk for R200 board
  drm/radeon: don't set hpd, afmt interrupts when interrupts are disabled
  drm/i915: Turn off hsync and vsync on ADPA when disabling crt
  drm/i915: Fix incorrect definition of ADPA HSYNC and VSYNC bits
  drm/i915: also disable south interrupts when handling them
  drm/i915: enable irqs earlier when resuming
  drm/i915: Increase the RC6p threshold.
  DRM/i915: On G45 enable cursor plane briefly after enabling the display plane.
  drm/nv50-: prevent some races between modesetting and page flipping
  drm/nouveau/i2c: drop parent refcount when creating ports
  drm/nv84: fix regression in page flipping
  drm/nouveau: Fix typo in init_idx_addr_latched().
  drm/nouveau: Disable AGP on PowerPC again.
  ...
2013-03-07 14:55:54 -08:00
Linus Torvalds
c89b148fd3 ACPI and power management fixes for 3.9-rc2
- Two fixes for the new intel_pstate driver from Dirk Brandewie.
 
 - Fix for incorrect usage of the .find_bridge() callback from struct
   acpi_bus_type in the USB core and subsequent removal of that
   callback from Rafael J. Wysocki.
 
 - ACPI processor driver cleanups from Chen Gang and Syam Sidhardhan.
 
 - ACPI initialization and error messages fix from Joe Perches.
 
 - Operating Performance Points documentation improvement from
   Nishanth Menon.
 
 - Fixes for memory leaks and potential concurrency issues and sysfs
   attributes leaks during device removal in the core device PM QoS
   code from Rafael J. Wysocki.
 
 - Calxeda Highbank cpufreq driver simplification from Emilio López.
 
 - cpufreq comment cleanup from Namhyung Kim.
 
 - Fix for a section mismatch in Calxeda Highbank interprocessor
   communication code from Mark Langsdorf (this is not a PM fix
   strictly speaking, but the code in question went in through the
   PM tree).
 
 /
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Merge tag 'pm+acpi-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael J Wysocki:

 - Two fixes for the new intel_pstate driver from Dirk Brandewie.

 - Fix for incorrect usage of the .find_bridge() callback from struct
   acpi_bus_type in the USB core and subsequent removal of that callback
   from Rafael J Wysocki.

 - ACPI processor driver cleanups from Chen Gang and Syam Sidhardhan.

 - ACPI initialization and error messages fix from Joe Perches.

 - Operating Performance Points documentation improvement from Nishanth
   Menon.

 - Fixes for memory leaks and potential concurrency issues and sysfs
  attributes leaks during device removal in the core device PM QoS code
  from Rafael J Wysocki.

 - Calxeda Highbank cpufreq driver simplification from Emilio López.

 - cpufreq comment cleanup from Namhyung Kim.

 - Fix for a section mismatch in Calxeda Highbank interprocessor
   communication code from Mark Langsdorf (this is not a PM fix strictly
   speaking, but the code in question went in through the PM tree).

* tag 'pm+acpi-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq / intel_pstate: Do not load on VM that does not report max P state.
  cpufreq / intel_pstate: Fix intel_pstate_init() error path
  ACPI / glue: Drop .find_bridge() callback from struct acpi_bus_type
  ACPI / glue: Add .match() callback to struct acpi_bus_type
  ACPI / porocessor: Beautify code, pr->id is u32 which is never < 0
  ACPI / processor: Remove redundant NULL check before kfree
  ACPI / Sleep: Avoid interleaved message on errors
  PM / QoS: Remove device PM QoS sysfs attributes at the right place
  PM / QoS: Fix concurrency issues and memory leaks in device PM QoS
  cpufreq: highbank: do not initialize array with a loop
  PM / OPP: improve introductory documentation
  cpufreq: Fix a typo in comment
  mailbox, pl320-ipc: remove __init from probe function
2013-03-07 14:54:28 -08:00
Paul Bolle
36c1813bb4 drm/tegra: drop "select DRM_HDMI"
Commit ac24c2204a ("drm/tegra: Use generic
HDMI infoframe helpers") added "select DRM_HDMI" to the DRM_TEGRA
Kconfig entry. But there is no Kconfig symbol named DRM_HDMI. The select
statement for that symbol is a nop. Drop it.

What was needed to use HDMI functionality was to select HDMI (which this
entry already did through depending on DRM) and to include linux/hdmi.h
(which this commit also did).

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-03-08 08:36:01 +10:00
Julia Lemire
ce495960ff drm/mgag200: Bug fix: Renesas board now selects native resolution.
Renesas boards were consistently defaulting to the 1024x768 resolution,
regardless of the native resolution of the monitor plugged in.  It was
determined that the EDID of the monitor was not being read.  Since the
DAC is a shared line, in order to read from or write to it we must take
control of the DAC clock.  This can be done by setting the proper
register to one.

This bug fix sets the register MGA1064_GEN_IO_CTL2 to one.  The DAC
control line can be used to determine whether or not a new monitor has
been plugged in.  But since the hotplug feature is not one we will
support, it has been decided to simply leave the register set to one.

Signed-off-by: Julia Lemire <jlemire@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-03-08 08:31:49 +10:00
Christopher Harvey
0ba5317158 drm/mgag200: Reject modes that are too big for VRAM
A monitor or a user could request a resolution greater than the
available VRAM for the backing framebuffer. This change checks the
required framebuffer size against the max VRAM size and rejects modes
if they are too big. This change can also remove a mode request passed
in via the video= parameter.

Signed-off-by: Christopher Harvey <charvey@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-03-08 08:31:31 +10:00
Christopher Harvey
cc59487a05 drm/mgag200: 'fbdev_list' in 'struct mga_fbdev' is not used
Signed-off-by: Christopher Harvey <charvey@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-03-08 08:30:54 +10:00
H. Peter Anvin
cc67708891 EFI changes for v3.9-rc2,
* Make the EFI variable code more paranoid about running out of
     space in NVRAM, since this is the root cause of the recent issue
     where machines refuse to boot - from Matthew Garrett.
 
   * Some efivarfs patches that fix regressions introduced in v3.9-rc1.
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Merge tag 'efi-for-3.9-rc2' into x86/urgent

EFI changes for v3.9-rc2,

  * Make the EFI variable code more paranoid about running out of
    space in NVRAM, since this is the root cause of the recent issue
    where machines refuse to boot - from Matthew Garrett.

  * Some efivarfs patches that fix regressions introduced in v3.9-rc1.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2013-03-07 13:25:59 -08:00
Linus Torvalds
d345243629 regulator: Fixes for v3.9
A few small things here and there, nothing major here really.  The
 conversion of twl4030ldo_ops to get_voltage_sel is a fix, as covered in
 the commit log it fixes inconsistency in handling of the IS_UNSUP()
 feature in the driver.
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Merge tag 'regulator-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A few small things here and there, nothing major here really.  The
  conversion of twl4030ldo_ops to get_voltage_sel is a fix, as covered
  in the commit log it fixes inconsistency in handling of the IS_UNSUP()
  feature in the driver."

* tag 'regulator-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: fixed regulator_bulk_enable unwinding code
  regulator: twl: Convert twl4030ldo_ops to get_voltage_sel
  regulator: palmas: fix number of SMPS voltages
  regulator: core: fix documentation error in regulator_allow_bypass
  regulator: core: update kernel documentation for regulator_desc
  regulator: db8500-prcmu - remove incorrect __exit markup
2013-03-07 13:07:10 -08:00
Linus Torvalds
0c8150d2c4 regmap: PM fix for v3.9
A simple fix to stop us leaking a runtime PM reference in the case where
 we fail to enable a device.
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Merge tag 'regmap-v3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap PM fix from Mark Brown:
 "A simple fix to stop us leaking a runtime PM reference in the case
  where we fail to enable a device."

* tag 'regmap-v3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: irq: call pm_runtime_put in pm_runtime_get_sync failed case
2013-03-07 13:06:21 -08:00
Linus Torvalds
cd66acb412 Bug fixes for sht15 and ltc2978 driver plus some documentation updates
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon patches from Guenter Roeck:
 "Bug fixes for sht15 and ltc2978 driver plus some documentation
  updates"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (sht15) Check return value of regulator_enable()
  hwmon: (adt7410) Document ADT7420 support
  hwmon: (pmbus/ltc2978) Use detected chip ID to select supported functionality
  hwmon: (pmbus/ltc2978) Fix peak attribute handling
  hwmon: (pmbus/ltc2978) Update datasheet links
  hwmon: Update my e-mail address in driver documentation
2013-03-07 12:46:25 -08:00
Marek Olšák
774c389fae drm/radeon: don't check mipmap alignment if MIP_ADDRESS is FMASK
The MIP_ADDRESS state has 2 meanings. If the texture has one sample
per pixel, it's a pointer to the mipmap chain. If the texture has
multiple samples per pixel, it's a pointer to FMASK, a metadata buffer
needed for reading compressed MSAA textures. The mipmap
alignment rules do not apply to FMASK.

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-03-07 12:58:59 -05:00
Alex Deucher
d808fc8829 drm/radeon: skip MC reset as it's probably not hung
The MC is mostly likely busy (e.g., display requests), not hung
so no need to reset it.  Doing an MC reset is tricky and not
particularly reliable.  Fixes hangs in certain cases.

Reported-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-03-07 12:58:58 -05:00
Alex Deucher
e8fc41377f drm/radeon: add primary dac adj quirk for R200 board
vbios values are wrong leading to colors that are
too bright.  Use the default values instead.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2013-03-07 12:58:57 -05:00
Alex Deucher
cc9945bf9c drm/radeon: don't set hpd, afmt interrupts when interrupts are disabled
Avoids splatter if the interrupt handler is not registered due
to acceleration being disabled.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
2013-03-07 12:58:57 -05:00
Benjamin Tissoires
dcd9006b1b HID: logitech-dj: do not directly call hid_output_raw_report() during probe
hid_output_raw_report() makes a direct call to usb_control_msg(). However,
some USB3 boards have shown that the usb device is not ready during the
.probe(). This blocks the entire usb device, and the paired mice, keyboards
are not functional. The dmesg output is the following:

[   11.912287] logitech-djreceiver 0003:046D:C52B.0003: hiddev0,hidraw0: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:14.0-2/input2
[   11.912537] logitech-djreceiver 0003:046D:C52B.0003: logi_dj_probe:logi_dj_recv_query_paired_devices error:-32
[   11.912636] logitech-djreceiver: probe of 0003:046D:C52B.0003 failed with error -32

Relying on the scheduled call to usbhid_submit_report() fixes the problem.

related bugs:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1072082
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1039143
https://bugzilla.redhat.com/show_bug.cgi?id=840391
https://bugzilla.kernel.org/show_bug.cgi?id=49781

Reported-and-tested-by: Bob Bowles <bobjohnbowles@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-03-07 16:06:55 +01:00
Dave Airlie
2cc79544bd Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-next
A bunch of fixes, nothing truely horrible:
- Fix PCH irq handling race which resulted in missed gmbus/dp aux irqs
  and subsequent fallout (Paulo)
- Fixup off-by-one in our hsw id table (Kenneth)
- Fixup ilk rc6 support (disabled by default), regression introduced in
  3.8
- g4x plane w/a from Egbert Eich
- gen2/3/4 dpms suspend/standy fixes for VGA outputs from Patrik Jakobsson
- Workaround dying ivb machines with less aggressive rc6 values (Stéphane
  Marchesin)

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm/i915: Turn off hsync and vsync on ADPA when disabling crt
  drm/i915: Fix incorrect definition of ADPA HSYNC and VSYNC bits
  drm/i915: also disable south interrupts when handling them
  drm/i915: enable irqs earlier when resuming
  drm/i915: Increase the RC6p threshold.
  DRM/i915: On G45 enable cursor plane briefly after enabling the display plane.
  drm/i915: Fix Haswell/CRW PCI IDs.
  drm/i915: Don't clobber crtc->fb when queue_flip fails
  drm/i915: wait_event_timeout's timeout is in jiffies
  drm/i915: Fix missing variable initilization
2013-03-07 11:12:14 +10:00
Rafael J. Wysocki
6bd51658fa Merge branch 'pm-fixes' into fixes
* pm-fixes:
  cpufreq / intel_pstate: Do not load on VM that does not report max P state.
  cpufreq / intel_pstate: Fix intel_pstate_init() error path
  PM / QoS: Remove device PM QoS sysfs attributes at the right place
  PM / QoS: Fix concurrency issues and memory leaks in device PM QoS
  cpufreq: highbank: do not initialize array with a loop
  PM / OPP: improve introductory documentation
  cpufreq: Fix a typo in comment
  mailbox, pl320-ipc: remove __init from probe function
2013-03-06 23:42:05 +01:00
Dirk Brandewie
d3929b8328 cpufreq / intel_pstate: Do not load on VM that does not report max P state.
It seems some VMs support the P state MSRs but return zeros. Fail
gracefully if we are running in this environment.

References: https://bugzilla.redhat.com/show_bug.cgi?id=916833
Reported-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-03-06 23:40:11 +01:00
Dirk Brandewie
907cc90810 cpufreq / intel_pstate: Fix intel_pstate_init() error path
If cpufreq_register_driver() fails just free memory that has been
allocated and return. intel_pstate_exit() function is removed since we
are built-in only now there is no reason for a module exit procedure.

Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-03-06 23:34:58 +01:00
Patrik Jakobsson
f40ebd6bcb drm/i915: Turn off hsync and vsync on ADPA when disabling crt
According to PRM we need to disable hsync and vsync even though ADPA is
disabled. The previous code did infact do the opposite so we fix it.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=56359
Tested-by: max <manikulin@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-06 18:03:07 +01:00