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2010-08-03acer-wmi: set permissions on interface file to S_IRUGOAxel Lin
The interface file is not writable, thus set permissions to S_IRUGO. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03asus-laptop: fix a memory leak in asus_laptop_get_info error pathAxel Lin
The callers of write_acpi_int_ret() pass ACPI_ALLOCATE_BUFFER, the caller must kfree the returned buffer if AE_OK is returned. This patch adds a missing kfree(buffer.pointer) before return -ENOMEM if kstrdup fail. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03wmi: fix a memory leak in wmi_notify_debugAxel Lin
When acpi_evaluate_object() is passed ACPI_ALLOCATE_BUFFER, the caller must kfree the returned buffer if AE_OK is returned. The callers of wmi_get_event_data() pass ACPI_ALLOCATE_BUFFER, and thus must check its return value before accessing or kfree() on the buffer. This patch adds return value checking for wmi_get_event_data() and adds a missing kfree(obj) in the end of wmi_notify_debug Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03dell-wmi: Add support for eject key on Dell Studio 1555Islam Amer
Fixes pressing the eject key on Dell Studio 1555 does not work and produces message : dell-wmi: Unknown key 0 pressed Signed-off-by: Islam Amer <pharon@gmail.com>
2010-08-03rar: Move the RAR driver into the right place as its now cleanAlan Cox
We exit staging rar! rar! rar!... Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Matthew Garrett <mjg@redhat.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-03acer-wmi/hp-wmi: use platform_device_unregister instead of ↵Axel Lin
platform_device_del in module_exit platform_device_unregister will also call platform_device_put() to drop reference count. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03wmi: fix memory leak in parse_wdgAxel Lin
This patch properly kfree out.pointer and gblock in error path. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03dell-laptop: Add another Dell laptop family to the DMI whitelistRezwanul Kabir
This is to support Precision M4500 and others. Signed-off-by: Rezwanul Kabir <Rezwanul_Kabir@dell.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03acer-wmi: fix resource reclaim in acer_wmi_init error pathAxel Lin
This patch fixes the resource reclaim in acer_wmi_init error path. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03X86: intel_ips, check for kzalloc properlyJiri Slaby
Stanse found that there are two NULL checks missing in ips_monitor. So check their value too and bail out appropriately if the allocation failed. While at it, add one more kfree to the fail path. It is not necessary now, but may be needed in the future when a new allocation is added. And for completeness. Also remove unneeded initialization of the variables. They are all set right after their declaration. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Matthew Garrett <mjg@redhat.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-08-03hp-wmi: add error handling for hp_wmi_initAxel Lin
Current implementation in hp_wmi_init does not check any error and always return success. This patch properly handles recource reclaim and return err in error path. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03intel_scu_ipc: add definitions for vRTC related commandFeng Tang
Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03classmate-laptop: should check for NULL as retval for rfkill_allocThadeu Lima de Souza Cascardo
rfkill_alloc returns NULL when it fails if RFKILL is enabled. When RFKILL is disabled, its return value of ERR_PTR(-ENODEV) is OK to use as all rfkill functions will work with it, as they are simply empty stubs. Reported-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: platform-driver-x86@vger.kernel.org Cc: mjg@redhat.com Cc: don@syst.com.br Cc: rpurdie@rpsys.net Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03IPS driver: add GPU busy and turbo checkingJesse Barnes
Be sure to enable GPU turbo by default at load time and check GPU busy and MCP exceeded status correctly. Also fix up CPU power comparison and work around buggy MCH temp reporting. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03x86 platform driver: intelligent power sharing driverJesse Barnes
Intel Core i3/5 platforms with integrated graphics support both CPU and GPU turbo mode. CPU turbo mode is opportunistic: the CPU will use any available power to increase core frequencies if thermal headroom is available. The GPU side is more manual however; the graphics driver must monitor GPU power and temperature and coordinate with a core thermal driver to take advantage of available thermal and power headroom in the package. The intelligent power sharing (IPS) driver is intended to coordinate this activity by monitoring MCP (multi-chip package) temperature and power, allowing the CPU and/or GPU to increase their power consumption, and thus performance, when possible. The goal is to maximize performance within a given platform's TDP (thermal design point). Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03timer: add on-stack deferrable timer interfacesJesse Barnes
In some cases (for instance with kernel threads) it may be desireable to use on-stack deferrable timers to get their power saving benefits. Add interfaces to support this for the IPS driver. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03platform/x86: msi-laptop depends on SERIO_I8042Randy Dunlap
msi-laptop uses i8042_*() interfaces, so it should depend on SERIO_I8042. E.g., when SERIO_I8042=m and MSI_LAPTOP=y: msi-laptop.c:(.text+0x18a7fe): undefined reference to `i8042_install_filter' msi-laptop.c:(.init.text+0xd69d): undefined reference to `i8042_remove_filter' msi-laptop.c:(.exit.text+0x19c3): undefined reference to `i8042_remove_filter' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Matthew Garrett <mjg@redhat.com> Cc: Lennart Poettering <mzxreary@0pointer.de>
2010-08-03classmate-laptop: depends on RFKILL or RFKILL=nThadeu Lima de Souza Cascardo
Randy Dunlap has reported that building classmate-laptop fails when CONFIG_RFKILL=m and CONFIG_ACPI_CMPC=y. He suggested depending on RFKILL, but, then, it will not be possible to select classmate-laptop when RFKILL is off. There's no known problem with building and using classmate-laptop with RFKILL off. So depend on RFKILL or RFKILL=n. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Matthew Garrett <mjg@redhat.com> Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: platform-driver-x86@vger.kernel.org Cc: Daniel Oliveira Nascimento <don@syst.com.br>
2010-08-03drivers/platform/x86: Eliminate a NULL pointer dereferenceJulia Lawall
Give different error messages if device_enum is NULL or if its type field has the wrong value. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression E,E1; identifier f; statement S1,S2,S3; @@ if ((E == NULL && ...) || ...) { ... when != if (...) S1 else S2 when != E = E1 * E->f ... when any return ...; } else S3 // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03X86 platform: hp-wmi Better match the HP WMI query interfaceThomas Renninger
- Improve error handling, by explictly return zero for success, error otherwise - WMI query command can have arbitrary input sized params - WMI query command can have specific output sized params (0, 4, 128,..) byte I like to go on here, but this is a rather intrusive change that should be looked at first. I am sure the one or other thing can be done better or there might be typo/bug somewhere. This did not get any testing yet, only compile tested. Next steps could be: - Eventually introduce hp_wmi_perform_{read,write}_query macros - Introduce new wireless query interface (0x1B) - more Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Matthew Garrett <mjg@redhat.com> CC: linux-acpi@vger.kernel.org CC: platform-driver-x86@vger.kernel.org
2010-08-03x86 platform drivers: hp-wmi fix buffer size depending on ACPI versionThomas Renninger
Depending on ACPI version (1.0 -> 32 bit) an integer could be 32 or 64 bit long. _WED internal concatenates two integers and the return value will be 8 byte (2* 32 bit) or 16 byte (2* 64 bit) long, depending on the ACPI version. Also the data send with the WMI event is defined to be splitted into: - Event ID -> 4 bytes - Event Data -> 4 bytes This gets messed up with new ACPI versions. But it's a HP BIOS bug that may get fixed in the future -> Support both, 16 and 8 byte _WED buffers. Also the wrong assumption that from the event data sent, only the first byte is relevant got cleaned up that it fits event_id/event_data as described above. Signed-off-by: Thomas Renninger <trenn@suse.de> CC: robert.moore@intel.com Signed-off-by: Matthew Garrett <mjg@redhat.com> CC: platform-driver-x86@vger.kernel.org CC: linux-acpi@vger.kernel.org
2010-08-03x86 platform drivers: hp-wmi Set placeholder for unimplemented eventsThomas Renninger
Rather than print unknown events when we know what caused them Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Matthew Garrett <mjg@redhat.com> CC: linux-acpi@vger.kernel.org CC: platform-driver-x86@vger.kernel.org
2010-08-03x86 platform drivers: hp-wmi Add media key 0x20e8Thomas Renninger
Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Matthew Garrett <mjg@redhat.com> CC: linux-acpi@vger.kernel.org CC: platform-driver-x86@vger.kernel.org
2010-08-03x86 platform drivers: hp-wmi Use consistent prefix string for messages.Thomas Renninger
Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Matthew Garrett <mjg@redhat.com> CC: linux-acpi@vger.kernel.org CC: platform-driver-x86@vger.kernel.org
2010-08-03x86 platform drivers: hp-wmi Catch and log unkown event and key codes correctlyThomas Renninger
Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Matthew Garrett <mjg@redhat.com> CC: linux-acpi@vger.kernel.org CC: platform-driver-x86@vger.kernel.org
2010-08-03x86 platform drivers: hp-wmi Reorder event id processingThomas Renninger
Event id 0x4 defines the hotkey event. No need (or even wrong) to query HPWMI_HOTKEY_QUERY if event id is != 0x4. Reorder the eventcode conditionals and use switch case instead of if/else. Use an enum for the event ids cases. Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Matthew Garrett <mjg@redhat.com> CC: linux-acpi@vger.kernel.org CC: platform-driver-x86@vger.kernel.org
2010-08-03intel_menlow: fix memory leaks in error pathAxel Lin
This patch includes below fixes in error path: 1. fix a memory leak if device_create_file failed in intel_menlow_add_one_attribute 2. properly free added attributes before return error in intel_menlow_register_sensor error handler 3. properly call acpi_bus_unregister_driver before return error in intel_menlow_module_init Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-08-03modpost: support objects with more than 64k sectionsDenys Vlasenko
This patch makes modpost able to process object files with more than 64k sections. Needed for huge kernel builds (allyesconfig, for example) with -ffunction-sections. 64k sections handling is covered, for example, by this document: "IA-64 gABI Proposal 74: Section Indexes" http://www.codesourcery.com/public/cxx-abi/abi/prop-74-sindex.html Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: Anders Kaseorg <andersk@mit.edu> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-08-03trivial: fix a typo in a filenameUwe Kleine-König
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-08-03ALSA: hda - More relax for pending period handlingTakashi Iwai
Since the pending periods are often bogus and take long time until actually processed, it often results in a high CPU usage of the hd-audio workq. Overall it's better to have low CPU consumption by avoiding a too tight loop rather than the wake-up timing accuracy. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-08-03ALSA: hda - Define AC_FMT_* constantsTakashi Iwai
Define constants for the HD-audio stream format bits, and replace the magic numbers in codes. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-08-03OMAP: DSS2: Taal: CABC workaround is Taal specificJani Nikula
Prepare for supporting panels other than Taal in this driver. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Add regulator configuration supportTomi Valkeinen
Add support for configuring regulators in the panel specific configuration data. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Print panel name in addition to revisionJani Nikula
The driver will support other panels in addition to Taal, print also the name. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Add panel specific configuration structureJani Nikula
Add a structure for panel specific configration to be able to support more than one panel in the future. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Configure ESD check in DSI panel dataJani Nikula
Make ESD check usage configurable in DSI panel data, as opposed to a define. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Use Nokia DSI panel dataTomi Valkeinen
Get board specific information from the Nokia DSI panel data structure instead of the DSS. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Add Nokia DSI command mode panel configuration structJani Nikula
Introduce a configuration struct for platform/board specific information of Nokia DSI command mode panels, to be used in addition to struct omap_dss_device (passed via the 'void *data' member). Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Add proper external TE supportJani Nikula
Add gpio irq based external TE support with timeout. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Change probe error handling labelsJani Nikula
Switch from numbered to named labels to make it easier to add new labels for error handling. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Change ESD work managementJani Nikula
Move ESD work queuing and cancelling out of taal_power_on/off() to avoid problems related to taal_esd_work() calling the power on/off functions. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Check taal_power_on() return value in taal_resume()Jani Nikula
Change state only if power on was succesful. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Change DSI bus locking to avoid deadlock in ESD workJani Nikula
Move dsi_bus_lock/unlock() out of taal_power_on/off() to avoid deadlock in taal_esd_work(). Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Ensure panel is enabled in enable_te() and run_test()Jani Nikula
Bail out from taal_enable_te() and taal_run_test() if panel is not enabled. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Improve taal_power_on() error handlingJani Nikula
Check return values and bail out on errors. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Remove ESD work cancel from driver probe error handlingJani Nikula
ESD work is never queued in probe, no need to cancel it on probe error. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Fix request_irq() error handlingJani Nikula
Separate gpio_request() and request_irq() error handling. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Remove platform enable/disableJani Nikula
After the addition of proper hardware reset, taal_hw_reset(), there's no need for an additional platform enable/disable. Remove them. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Add locks to protect taal data accessJani Nikula
Avoid potential race conditions in sysfs access to taal data. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2010-08-03OMAP: DSS2: Taal: Add panel hardware resetJani Nikula
Issue a proper reset pulse on the reset line instead of just doing power on/off. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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