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* spi: rspi: Fix leaking of unused DMA descriptorsGeert Uytterhoeven2014-08-171-36/+58
| | | | | | | | | | | | | | | | | If dmaengine_prep_slave_sg() or dmaengine_submit() fail, we may leak unused DMA descriptors. As per Documentation/dmaengine.txt, once a DMA descriptor has been obtained, it must be submitted. Hence: - First prepare and submit all DMA descriptors, - Prepare the SPI controller for DMA, - Start DMA by calling dma_async_issue_pending(), - Make sure to call dmaengine_terminate_all() on all descriptors that haven't completed. Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Mark Brown <broonie@linaro.org>
* Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86Linus Torvalds2014-08-1621-107/+529
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull x86 platform driver updates from Matthew Garrett: "A moderate number of changes, but nothing awfully significant. A lot of const cleanups, some reworking and additions to the rfkill quirks in the asus driver, a new driver for generating falling laptop events on Toshibas and some misc fixes. Maybe vendors have stopped inventing things" * 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (41 commits) platform/x86: Enable build support for toshiba_haps Documentation: Add file about toshiba_haps module platform/x86: Toshiba HDD Active Protection Sensor asus-nb-wmi: Add wapf4 quirk for the U32U alienware-wmi: make hdmi_mux enabled on case-by-case basis ideapad-laptop: Constify DMI table and other r/o variables asus-nb-wmi.c: Rename x401u quirk to wapf4 compal-laptop: correct invalid hwmon name toshiba_acpi: Add Qosmio X75-A to the alt keymap dmi list toshiba_acpi: Add extra check to backlight code Fix log message about future removal of interface ideapad-laptop: Disable touchpad interface on Yoga models asus-nb-wmi: Add wapf4 quirk for the X550CC intel_ips: Make ips_mcp_limits variables static thinkpad_acpi: Mark volume_alsa_control_{vol,mute} as __initdata fujitsu-laptop: Mark fujitsu_dmi_table[] DMI table as __initconst hp-wmi: Add missing __init annotations to initialization code hp_accel: Constify ACPI and DMI tables fujitsu-tablet: Mark DMI callbacks as __init code dell-laptop: Mark dell_quirks[] DMI table as __initconst ...
| * platform/x86: Enable build support for toshiba_hapsAzael Avalos2014-08-162-0/+20
| | | | | | | | | | | | | | | | Makefile and Kconfig build support patch for the newly introduced kernel module toshiba_haps. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * platform/x86: Toshiba HDD Active Protection SensorAzael Avalos2014-08-161-0/+265
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This driver adds support for the built-in accelereometer found on recent Toshiba laptops with HID TOS620A. This driver receives ACPI notify events 0x80 when the sensor detects a sudden move or a harsh vibration, as well as an ACPI notify event 0x81 whenever the movement or vibration has been stabilized. Also provides sysfs entries to get/set the desired protection level and reseting the HDD protection interface. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * asus-nb-wmi: Add wapf4 quirk for the U32UHans de Goede2014-08-161-0/+14
| | | | | | | | | | | | | | | | As reported here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173681 the U32U needs wapf=4 too. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * alienware-wmi: make hdmi_mux enabled on case-by-case basisMario Limonciello2014-08-161-2/+20
| | | | | | | | | | | | | | | | Not all HW supporting WMAX method will support the HDMI mux feature. Explicitly quirk the HW that does support it. Signed-off-by: Mario Limonciello <mario_limonciello@dell.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * ideapad-laptop: Constify DMI table and other r/o variablesMathias Krause2014-08-161-2/+2
| | | | | | | | | | | | | | | | | | | | Constify the rfkill_blacklist[] DMI table, the ideapad_rfk_data[] table and the ideapad_attribute_group attribute group. There's no need to have them writeable during runtime. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Ike Panhc <ike.pan@canonical.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * asus-nb-wmi.c: Rename x401u quirk to wapf4Hans de Goede2014-08-161-13/+13
| | | | | | | | | | | | | | | | | | The actual x401u does not use the so named x401u quirk but the x55u quirk. All that the x401u quirk does it setting wapf to 4, so rename it to wapf4 to stop the confusion. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * compal-laptop: correct invalid hwmon nameRoald Frederickx2014-08-161-1/+1
| | | | | | | | | | | | | | | | | | Change the name of the hwmon interface from "compal-laptop" to "compal". A dash is an invalid character for a hwmon name and caused the call to hwmon_device_register_with_groups() to fail. Signed-off-by: Roald Frederickx <roald.frederickx@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * toshiba_acpi: Add Qosmio X75-A to the alt keymap dmi listAzael Avalos2014-08-161-0/+7
| | | | | | | | | | | | | | | | | | | | | | The Toshiba Qosmio X75-A series models also come with the new keymap layout. This patch adds this model to the alt_keymap_dmi list, along with an extra key found on these models. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * toshiba_acpi: Add extra check to backlight codeAzael Avalos2014-08-161-4/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some Toshiba models (most notably Qosmios) come with an incomplete backlight method where the AML code doesn't check for write or read commands and always returns HCI_SUCCESS and the actual brightness (and in some cases the max brightness), thus allowing the backlight interface to be registered without write support. This patch changes the set_lcd_brightness function, checking the returned values for values greater than zero to avoid registering a broken backlight interface. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * Fix log message about future removal of interfaceMartin Kepplinger2014-08-161-3/+3
| | | | | | | | | | | | | | If this is going away, it won't be in 2012. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * ideapad-laptop: Disable touchpad interface on Yoga modelsHans de Goede2014-08-161-0/+27
| | | | | | | | | | | | | | | | Yoga models don't offer touchpad ctrl through the ideapad interface, causing ideapad_sync_touchpad_state to send wrong touchpad enable/disable events. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * asus-nb-wmi: Add wapf4 quirk for the X550CCHans de Goede2014-08-161-0/+9
| | | | | | | | | | | | | | | | As reported here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173681 the X550CC needs wapf=4 too. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * intel_ips: Make ips_mcp_limits variables staticMathias Krause2014-08-161-3/+3
| | | | | | | | | | | | | | | | These variables don't need to be visible outside of this compilation unit, make them static. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * thinkpad_acpi: Mark volume_alsa_control_{vol,mute} as __initdataMathias Krause2014-08-161-2/+2
| | | | | | | | | | | | | | | | | | | | Mark volume_alsa_control_vol and volume_alsa_control_mute as __initdata, as snd_ctl_new1() will copy the relevant parts, so there is no need to keep the master copies around after initialization. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * fujitsu-laptop: Mark fujitsu_dmi_table[] DMI table as __initconstMathias Krause2014-08-161-5/+5
| | | | | | | | | | | | | | | | | | | | The DMI table is only ever used during initialization. Mark it as __initconst so its memory can be released afterwards -- roughly 1.5 kB. In turn, the callback functions can be marked with __init, too. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Jonathan Woithe <jwoithe@just42.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * hp-wmi: Add missing __init annotations to initialization codeMathias Krause2014-08-161-3/+3
| | | | | | | | | | | | | | | | These functions are only called from other initialization routines, so can be marked __init, too. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * hp_accel: Constify ACPI and DMI tablesMathias Krause2014-08-161-2/+2
| | | | | | | | | | | | | | | | | | Constify the lis3lv02d_device_ids[] ACPI and the lis3lv02d_dmi_ids[] DMI tables. There's no need to have them writeable during runtime. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * fujitsu-tablet: Mark DMI callbacks as __init codeMathias Krause2014-08-161-3/+3
| | | | | | | | | | | | | | | | | | The DMI table is already marked as __initconst, so can be the callback functions as they're only used in that context. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Robert Gerlach <khnz@gmx.de> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * dell-laptop: Mark dell_quirks[] DMI table as __initconstMathias Krause2014-08-161-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | The dell_quirks[] DMI table is only ever used during initialization. Mark it as __initconst so its memory can be released afterwards -- roughly 5.7 kB. In turn, the callback function can be marked with __init, too. Also the touchpad_led_init() function can be marked __init as it's only referenced from dell_init() -- an __init function. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * eeepc-wmi: Constify asus_quirks[] DMI tableMathias Krause2014-08-161-1/+1
| | | | | | | | | | | | | | | | | | Constify the asus_quirks[] DMI table. There's no need to have it writeable during runtime. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Corentin Chary <corentin.chary@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * acer-wmi: Mark init data and code as suchMathias Krause2014-08-161-20/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | Quite a lot of code and data of acer-wmi.c is only ever used during initialization. Mark those accordingly -- and constify, where appropriate -- so the memory can be released afterwards. All in all those changes move ~10 kB of code and data to the .init sections, marking them for release after initialization has finished. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: "Lee, Chun-Yi" <jlee@suse.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * asus-nb-wmi: Constify asus_quirks[] DMI tableMathias Krause2014-08-161-1/+1
| | | | | | | | | | | | | | | | | | Constify the asus_quirks[] DMI table. There's no need to have it writeable during runtime. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Corentin Chary <corentin.chary@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * alienware-wmi: Mark DMI table as __initconstMathias Krause2014-08-161-2/+2
| | | | | | | | | | | | | | | | | | The DMI table is only ever used during initialization. Mark it as __initconst so its memory can be released appropriately. In turn, the callback function can be marked with __init, too. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * acer-wmi: Hide acer_{suspend,resume} for !CONFIG_PM_SLEEPMathias Krause2014-08-161-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | Encapsulate acer_suspend() and acer_resume with #ifdef CONFIG_PM_SLEEP to get rid of the following warnings: ../acer-wmi.c:2046:12: warning: ‘acer_suspend’ defined but not used [-Wunused-function] ../acer-wmi.c:2068:12: warning: ‘acer_resume’ defined but not used [-Wunused-function] Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: "Lee, Chun-Yi" <jlee@suse.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * acer-wmi: Mark acer_wmi_keymap[] as __initconstMathias Krause2014-08-161-1/+1
| | | | | | | | | | | | | | | | | | sparse_keymap_setup() will make a copy of the keymap, so we can release the master copy after initialization. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: "Lee, Chun-Yi" <jlee@suse.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * WMI: Remove unnecessary null testHimangi Saraogi2014-08-161-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes the null test on block. block is initialized at the beginning of the function to &wblock->gblock. Since wblock is dereferenced prior to the null test, wblock must be a valid pointer, and &wblock->gblock cannot be null. The following Coccinelle script is used for detecting the change: @r@ expression e,f; identifier g,y; statement S1,S2; @@ *e = &f->g <+... f->y ...+> *if (e != NULL || ...) S1 else S2 Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * drivers/platform/x86/thinkpad_acpi.c: don't test unsigned int for negativityAndrey Utkin2014-08-161-1/+1
| | | | | | | | | | | | | | Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=80231 Reported-by: David Binderman <dcb314@hotmail.com> Signed-off-by: Andrey Utkin <andrey.krieger.utkin@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * asus-nb-wmi: Add wapf4 quirk for the X550CLHans de Goede2014-08-161-0/+9
| | | | | | | | | | | | | | | | As reported here: https://bugs.launchpad.net/bugs/1277959 the X550CL needs wapf=4 too. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * asus-nb-wmi: Add ASUSTeK COMPUTER INC. X200CAAceLan Kao2014-08-161-0/+13
| | | | | | | | | | | | | | | | | | | | | | BIOS won't light on the wifi-led after S3, so asus-wmi driver needs to control the wifi and wifi-led status. But, it'll lead to bt status error if asus-wmi driver controls bt as well. So, for X200CA, asus-wmi driver controls wifi status only and have to set wapf to 1. Signed-off-by: AceLan Kao <acelan.kao@canonical.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * asus-wmi: control wlan-led if wapf > 0AceLan Kao2014-08-161-2/+2
| | | | | | | | | | | | | | | | Wifi will be controlled by asus-wmi driver when wapf > 0 So, controls the wifi-led when wapf > 0 Signed-off-by: AceLan Kao <acelan.kao@canonical.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * asus-wmi: backlight_init: Stop treating -ENODEV as if its not an errorHans de Goede2014-08-161-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When bl_power support got added to asus-wmi, the error handling for it was written to ignore -ENODEV, to avoid not registering a backlight interface for models which have no bl_power control, but do have brightness control. At the same time the error handling for brightness_max was modified to do the same, this is wrong, when there is no brightness_max asus-wmi should not register a backlight interface. Note the caller of asus_wmi_backlight_init already special cases -ENODEV, and will not cause the wmi driver regristration to fail because of a -ENODEV return from asus_wmi_backlight_init. https://bugzilla.redhat.com/show_bug.cgi?id=1097436 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * asus-wmi: Disable acpi-video backlight on desktop machinesHans de Goede2014-08-161-0/+7
| | | | | | | | | | | | | | | | | | | | | | Some Asus motherboards for desktop PC-s export an acpi-video interface advertising backlight support. Test the dmi chassis-type and tell acpi-video to not register a backlight interface on desktops. https://bugzilla.redhat.com/show_bug.cgi?id=1097436 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * ideapad-laptop: Change Lenovo Yoga 2 series rfkill handlingHans de Goede2014-08-161-14/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It seems that the same problems which lead to adding an rfkill blacklist and putting the Lenovo Yoga 2 11 on it are also present on the Lenovo Yoga 2 13 and Lenovo Yoga 2 Pro too: https://bugzilla.redhat.com/show_bug.cgi?id=1021036 https://forums.lenovo.com/t5/Linux-Discussion/Yoga-2-13-not-Pro-Linux-Warning/m-p/1517612 Testing has shown that the firmware rfkill settings are persistent over reboots. So blacklisting the driver is not good enough, if the wifi is blocked at the firmware level the wifi needs to be explictly unblocked through the ideapad-laptop interface. And at least on the Lenovo Yoga 2 13 the VPCCMD_RF register which on devices with hardware kill switch reports the hardware switch state, needs to be explictly set to 1 (radio enabled / not blocked). So this patch does 3 things to get proper rfkill handling on these models: 1) Instead of blacklisting the rfkill functionality, which means that people with a firmware blocked wifi get stuck in that situation, ignore the value reported by the not present hardware rfkill switch, as this is what is causing ideapad-laptop to wrongly report all radios as hardware blocks. But do register the rfkill interfaces so that the user can soft [un]block them. 2) On models without a hardware rfkill switch, explictly set VPCCMD_RF to 1 3) Drop the " 11" postfix from the dmi match string, as the entire Yoga 2 series is affected. Yoga 2 11: Reported-and-tested-by: Vincent Gerris <vgerris@gmail.com> Yoga 2 13: Tested-by: madls05 <http://ubuntuforums.org/showthread.php?t=2215044> Yoga 2 Pro: Reported-and-tested-by: Peter F. Patel-Schneider <pfpschneider@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * thinkpad_acpi: Update mapping for F12 hotkey on *40 models to KEY_FILEHans de Goede2014-08-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The new keyboard found on the *40 models is also being sold as a standalone keyboard (with trackpoint): http://shop.lenovo.com/us/en/itemdetails/0B47189/460/60AC6A0372B14F5BA7B12F1FF88E33C7 This uses a standard HUT code for the F12 key with the 6 square boxes on it, which gets mapped to KEY_FILE by the kernel. Change the mapping done of identical laptop key done by thinkpad_acpi to also send KEY_FILE for consistency. Cc: Jamie Lentin <jm@lentin.co.uk> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * eeepc-laptop: rename _set and _get arguments in macroPaul Bolle2014-08-161-4/+4
| | | | | | | | | | | | | | | | | | | | | | The _set and _get arguments to the EEEPC_CREATE_SENSOR_ATTR() macro are confusingly named: _set should be _get and vice versa. Rename these arguments. Drop the trailing semicolon from that macro, while we're at it. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * fujitsu-laptop: Clear build warningsJean Delvare2014-08-161-5/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When CONFIG_FUJITSU_LAPTOP_DEBUG is disabled and W=1, the fujitsu-laptop driver builds with the following warnings: drivers/platform/x86/fujitsu-laptop.c: In function "bl_update_status": drivers/platform/x86/fujitsu-laptop.c:409:8: warning: suggest braces around empty body in an "if" statement [-Wempty-body] ret); ^ drivers/platform/x86/fujitsu-laptop.c:418:8: warning: suggest braces around empty body in an "if" statement [-Wempty-body] ret); ^ Rework the debug printk helper macro to get rid of these. I verified that this change has no effect on the generated binary, both in the debug and non-debug case. Signed-off-by: Jean Delvare <jdelvare@suse.de> Acked-by: Jonathan Woithe <jwoithe@just42.net> Cc: Matthew Garrett <matthew.garrett@nebula.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * platform/x86/toshiba-apci.c possible bad if test?Nick2014-08-161-1/+1
| | | | | | | | Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * sony-laptop: fix doesn't work lid resume settings on Vaio Promog4222014-08-161-1/+1
| | | | | | | | | | Signed-off-by: mog422 <admin@mog422.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| * WAPF 4 for ASUSTeK COMPUTER INC. X75VBP WLAN ON.poma2014-08-161-0/+9
| | | | | | | | | | | | | | The 'asus-nb-wmi' WAPF parameter must be set to 4, so the internal Wireless LAN device is operational. Signed-off-by: poma <pomidorabelisima@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
* | Merge branch 'release' of ↵Linus Torvalds2014-08-161-1/+76
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux Pull idle update from Len Brown: "Two Intel-platform-specific updates to intel_idle, and a cosmetic tweak to the turbostat utility" * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: tools/power turbostat: tweak whitespace in output format intel_idle: Broadwell support intel_idle: Disable Baytrail Core and Module C6 auto-demotion
| * | intel_idle: Broadwell supportLen Brown2014-08-151-1/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | | Broadwell (BDW) is similar to Haswell (HSW), the preceding processor generation. Currently, the only difference in their C-state tables is that PC3 max exit latency is 33usec on HSW and 40usec on BDW. Signed-off-by: Len Brown <len.brown@intel.com>
| * | intel_idle: Disable Baytrail Core and Module C6 auto-demotionLen Brown2014-08-151-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Power efficiency improves on Baytrail (Intel Atom Processor E3000) when Linux disables C6 auto-demotion. Based on work by Srinidhi Kasagar <srinidhi.kasagar@intel.com>. Signed-off-by: Len Brown <len.brown@intel.com> Cc: x86@kernel.org
* | | Merge branch 'rng-queue' of ↵Linus Torvalds2014-08-161-0/+1
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/amit/virtio Pull virtio-rng update from Amit Shah: "Add derating factor for use by hwrng core Sending directly to you with the commit log changes Ted Ts'o pointed out. Not sure if Rusty's back after his travel, but this already has his s-o-b" * 'rng-queue' of git://git.kernel.org/pub/scm/linux/kernel/git/amit/virtio: virtio: rng: add derating factor for use by hwrng core
| * | virtio: rng: add derating factor for use by hwrng coreAmit Shah2014-08-151-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The khwrngd thread is started when a hwrng device of sufficient quality is registered. The virtio-rng device is backed by the hypervisor, and we trust the hypervisor to provide real entropy. A malicious or badly-implemented hypervisor is a scenario that's irrelevant -- such a setup is bound to cause all sorts of badness, and a compromised hwrng is the least of the user's worries. Given this, we might as well assume that the quality of randomness we receive is perfectly trustworthy. Hence, we use 100% for the factor, indicating maximum confidence in the source. Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: H. Peter Anvin <hpa@linux.intel.com> Reviewed-by: Amos Kong <akong@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* | | Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds2014-08-1610-114/+123
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull more SCSI changes from James Bottomley: "This is a small set of updates which missed the first pull. It's more msix updates, some iscsi and qla4xxx fixes, we also have some string null termination fixes a return value fix and a couple of pm8001 firmware fixes. Just a note, we do have a couple of bug fixes coming under separate cover, but they don't have to be part of the merge window" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: iscsi class: Fix freeing of skb in get host error path scsi: fix u14-34f printk format warnings pm8001: fix pm8001_store_update_fw pm8001: Fix erratic calculation in update_flash pm8001: Update MAINTAINERS list libiscsi: return new error code when nop times out iscsi class: fix get_host_stats return code when not supported iscsi class: fix get_host_stats error handling qla4xxx: fix get_host_stats error propagation qla4xxx: check the return value of dma_alloc_coherent() scsi: qla4xxx: ql4_mbx.c: Cleaning up missing null-terminate in conjunction with strncpy scsi: qla4xxx: ql4_os.c: Cleaning up missing null-terminate in conjunction with strncpy qla4xxx: Use pci_enable_msix_exact() instead of pci_enable_msix() pm8001: Use pci_enable_msix_exact() instead of pci_enable_msix()
| * \ \ Merge remote-tracking branch 'scsi-queue/drivers-for-3.17' into for-nextJames Bottomley2014-08-069-112/+121
| |\ \ \
| | * | | iscsi class: Fix freeing of skb in get host error pathMike Christie2014-08-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If get_host_stats failes we are using kfree to free the skb. We should be using kfree_skb. This patch was made over Christoph's scsi-queue drivers-for-3.17 branch. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Christoph Hellwig <hch@lst.de>
| | * | | pm8001: fix pm8001_store_update_fwTomas Henzl2014-08-012-71/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current implementation may mix the negative value returned from pm8001_set_nvmd with count. -(-ENOMEM) could be interpreted as bytes programmed, this patch fixes it. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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