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2009-12-16leds: Add driver for ADP5520/ADP5501 MFD PMICsMichael Hennerich
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2009-12-16leds: Add driver for LT3593 controlled LEDsDaniel Mack
The LT3593 is a step-up DC/DC converter designed to drive up to ten white LEDs in series. The current flow can be set with a control pin. This driver controls any number of such devices connected on generic GPIOs and exports the function as as platform_driver. The gpio_led platform data struct definition is reused for this purpose. Successfully tested on a PXA embedded board. Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2009-12-16leds-ss4200: Check pci_enable_device returnDave Hansen
pci_enable_result is defined using the __must_check macro but leds-ss4200 is not checking the return value. Signed-off-by: Javier Martinez Canillas <martinez.javier@gmail.com> Signed-off-by: Dave Hansen <dave@sr71.net> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2009-12-16leds: leds-alix2c - take port address from MSRDaniel Mack
This makes the LEDs driver for ALIX2.C boards work with Coreboot by looking up the port address in the MSR rather than hard-coding it. The BIOS scan also needed some tweaks as the string in Coreboot differs from the one in the legacy BIOS. Successfully tested with both the legacy tinyBIOS as well as Coreboot v3. Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2009-12-16leds: LED driver for Intel NAS SS4200 series (v5)Dave Hansen
This code is based on a driver that came in the "Open-source and GPL components" download here: http://downloadcenter.intel.com/SearchResult.aspx?lang=eng&ProductFamily=Server+Products&ProductLine=Intel%C2%AE+Storage+Systems&ProductProduct=Intel%C2%AE+Entry+Storage+System+SS4200-E&OSVersion=OS+Independent It was in a file called nasgpio.c inside of a second zip file called SS4200-E_Linux_SIO_Driver-v1.4.zip and is based on this updated to use the LED subsystem with the ioctl and hardware monitor support removed. I don't have any need for brightness control, and its code is *completely* separate from the on/off controls implemented here. If anyone else wants it, I'd be happy to look into adding it, but I don't care enough for now. Except for the probe routines, I rewrote most of it. I also Note that I don't have any hardware documentation except for the original driver. Thanks go to Arjan for his help in getting the original source for this released and for chasing down some licensing issues. Signed-off-by: Dave Hansen <dave@sr71.net> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2009-12-16V4L/DVB (13698): pms: replace asm/uaccess.h to linux/uaccess.hMauro Carvalho Chehab
Fix a checkpatch.pl warning: WARNING: Use #include <linux/uaccess.h> instead of <asm/uaccess.h> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13690): radio/si470x: #include <sched.h>Randy Dunlap
Driver needs to #include <sched.h>: drivers/media/radio/si470x/radio-si470x-common.c:452: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function) drivers/media/radio/si470x/radio-si470x-common.c:452: error: implicit declaration of function 'signal_pending' drivers/media/radio/si470x/radio-si470x-common.c:452: error: implicit declaration of function 'schedule' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13688): au8522: modify the attributes of local filter coefficientsMárton Németh
Make the local filter coefficients static and const. This will eliminate the following sparse warnings (see "make C=1"): * au8522_decoder.c:71:31: warning: symbol 'filter_coef' was not declared. Should it be static? * au8522_decoder.c:113:31: warning: symbol 'lpfilter_coef' was not declared. Should it be static? Signed-off-by: Márton Németh <nm127@freemail.hu> Acked-by: Devin Heitmueller <dheitmueller@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13687): cx231xx: use NULL when pointer is neededMárton Németh
The gpio field in the cx231xx_board.input structure is a pointer. Eliminate the following sparse warnings (see "make C=1"): * cx231xx-cards.c:72:13: warning: Using plain integer as NULL pointer * cx231xx-cards.c:77:13: warning: Using plain integer as NULL pointer * cx231xx-cards.c:84:13: warning: Using plain integer as NULL pointer * cx231xx-cards.c:111:13: warning: Using plain integer as NULL pointer * cx231xx-cards.c:116:13: warning: Using plain integer as NULL pointer * cx231xx-cards.c:123:13: warning: Using plain integer as NULL pointer * cx231xx-cards.c:151:13: warning: Using plain integer as NULL pointer * cx231xx-cards.c:156:13: warning: Using plain integer as NULL pointer * cx231xx-cards.c:163:13: warning: Using plain integer as NULL pointer Signed-off-by: Márton Németh <nm127@freemail.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB: Davinci VPFE Capture: remove unused #include <linux/version.h>Huang Weiyi
Remove unused #include <linux/version.h>('s) in drivers/media/video/davinci/vpfe_capture.c Cc: Muralidharan Karicheri <m-karicheri2@ti.com> Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13685): Correct code taking the size of a pointerJulia Lawall
sizeof(print_buf) is just the size of the pointer. Change it to the size used in the allocation of print_buf earlier in the same function. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression *x; expression f; type T; @@ *f(...,(T)x,...) // </smpl> Cc: Janne Grunau <j@jannau.net> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13684): Fix some cut-and-paste noise in dib0090.hDuncan Gibb
Remove duplicated line on driver [mchehab@redhat.com: second hunk of the original patch were already applied by another patch - remove it] Cc: Patrick Boettcher <pboettcher@kernellabs.com> Signed-off-by: Duncan Gibb <dg@duncangibb.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13683): sanio-ms: clean up init, exit and id_tableMárton Németh
MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Make module_init static and mark it with __init. Make module_exit static and mark it with __exit. Mark probe functions with __devinit. Make id table static and mark with __devinitconst. This will eliminate the following sparse warnings (see "make C=1"): * smsdvb.c:668:5: warning: symbol 'smsdvb_module_init' was not declared. Should it be static? * smsdvb.c:682:6: warning: symbol 'smsdvb_module_exit' was not declared. Should it be static? * smsusb.c:491:22: warning: symbol 'smsusb_id_table' was not declared. Should it be static? * smsusb.c:567:5: warning: symbol 'smsusb_module_init' was not declared. Should it be static? * smsusb.c:578:6: warning: symbol 'smsusb_module_exit' was not declared. Should it be static? * smssdio.c:341:5: warning: symbol 'smssdio_module_init' was not declared. Should it be static? * smssdio.c:353:6: warning: symbol 'smssdio_module_exit' was not declared. Should it be static? Signed-off-by: Márton Németh <nm127@freemail.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13682): dib8000: make some constant staticMárton Németh
Eliminate the following sparse warnings (see "make C=1"): * dib8000.c:125:15: warning: symbol 'coeff_2k_sb_1seg_dqpsk' was not declared. Should it be static? * dib8000.c:130:15: warning: symbol 'coeff_2k_sb_1seg' was not declared. Should it be static? * dib8000.c:134:15: warning: symbol 'coeff_2k_sb_3seg_0dqpsk_1dqpsk' was not declared. Should it be static? * dib8000.c:139:15: warning: symbol 'coeff_2k_sb_3seg_0dqpsk' was not declared. Should it be static? * dib8000.c:144:15: warning: symbol 'coeff_2k_sb_3seg_1dqpsk' was not declared. Should it be static? * dib8000.c:149:15: warning: symbol 'coeff_2k_sb_3seg' was not declared. Should it be static? * dib8000.c:154:15: warning: symbol 'coeff_4k_sb_1seg_dqpsk' was not declared. Should it be static? * dib8000.c:159:15: warning: symbol 'coeff_4k_sb_1seg' was not declared. Should it be static? * dib8000.c:164:15: warning: symbol 'coeff_4k_sb_3seg_0dqpsk_1dqpsk' was not declared. Should it be static? * dib8000.c:169:15: warning: symbol 'coeff_4k_sb_3seg_0dqpsk' was not declared. Should it be static? * dib8000.c:174:15: warning: symbol 'coeff_4k_sb_3seg_1dqpsk' was not declared. Should it be static? * dib8000.c:179:15: warning: symbol 'coeff_4k_sb_3seg' was not declared. Should it be static? * dib8000.c:184:15: warning: symbol 'coeff_8k_sb_1seg_dqpsk' was not declared. Should it be static? * dib8000.c:189:15: warning: symbol 'coeff_8k_sb_1seg' was not declared. Should it be static? * dib8000.c:194:15: warning: symbol 'coeff_8k_sb_3seg_0dqpsk_1dqpsk' was not declared. Should it be static? * dib8000.c:199:15: warning: symbol 'coeff_8k_sb_3seg_0dqpsk' was not declared. Should it be static? * dib8000.c:204:15: warning: symbol 'coeff_8k_sb_3seg_1dqpsk' was not declared. Should it be static? * dib8000.c:209:15: warning: symbol 'coeff_8k_sb_3seg' was not declared. Should it be static? * dib8000.c:214:15: warning: symbol 'ana_fe_coeff_3seg' was not declared. Should it be static? * dib8000.c:218:15: warning: symbol 'ana_fe_coeff_1seg' was not declared. Should it be static? * dib8000.c:222:15: warning: symbol 'ana_fe_coeff_13seg' was not declared. Should it be static? Cc: Patrick Boettcher <pboettcher@kernellabs.com> Signed-off-by: Márton Németh <nm127@freemail.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB: lgs8gxx: Use shifts rather than multiply/divide when possibleDavid Howells
If val is a u64, then following: val *= (u64)1 << 32; val /= (u64)1 << 32; should surely be better represented as: val <<= 32; val >>= 32; Especially as, for the division, the compiler might want to actually do a division: drivers/built-in.o: In function `lgs8gxx_get_afc_phase': drivers/media/dvb/frontends/lgs8gxx.c:250: undefined reference to `__udivdi3' Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13678): Add support for yet another DvbWorld, TeVii and Prof USB ↵Igor M. Liplianin
devices Patch to support DvbWorld DW2104 device modifications with STV0903 and DS3000 demods as well as TeVii S660 and Prof 1100 Also replace some magic numbers with meaningfull variables. Signed-off-by: Igor M. Liplianin <liplianin@me.by> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13676): configurable IRQ mode on NetUP Dual DVB-S2 CI; IRQ from CAM ↵Abylay Ospan
processing (CI interface works faster) Signed-off-by: Abylay Ospan <aospan@netup.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13674): stv090x: Add DiSEqC envelope modeOliver Endriss
Support DiSEqC envelope mode. Feature is enabled by setting config->diseqc_envelope_mode = true (default: disabled). Signed-off-by: Oliver Endriss <o.endriss@gmx.de> Acked-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13673): lnbp21: Implement 22 kHz tone controlOliver Endriss
Support 22 kHz tone control for lnbp21 and lnbh24. (Overrides the 'set_tone' hook of the frontend driver.) Signed-off-by: Oliver Endriss <o.endriss@gmx.de> Acked-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13671): sh_mobile_ceu_camera: Remove frame size page alignmentMagnus Damm
This patch updates the SuperH Mobile CEU driver to not page align the frame size. Useful in the case of USERPTR with non-page aligned frame sizes and offsets. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13670): soc-camera: Add mt9t112 camera driverKuninori Morimoto
create mode 100644 drivers/media/video/mt9t112.c create mode 100644 include/media/mt9t112.h Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13669): tw9910: Add sync polarity supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13668): tw9910: remove croppingKuninori Morimoto
Cropping is used for data input, and it is not needed now Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13667): tw9910: modify output formatKuninori Morimoto
Correct tw9910 output format is Cb - Y - Cr - Y which is defined in ITU-R BT.656. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13666): tw9910: modify V/H outpit pin setting to use VALIDKuninori Morimoto
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13665): sh_mobile_ceu_camera: Add support for sync polarity selectionKuninori Morimoto
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13664): tw9910: use V4L2_FIELD_INTERLACED_BTKuninori Morimoto
tw9910 output is interlaced and its correct order is Bottom - Top Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13663): sh_mobile_ceu: Add V4L2_FIELD_INTERLACED_BT/TB supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13662): mt9t031: make the use of the soc-camera client API optionalGuennadi Liakhovetski
Now that we have moved most of the functions over to the v4l2-subdev API, only quering and setting bus parameters are still performed using the legacy soc-camera client API. Make the use of this API optional for mt9t031. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13661): rj54n1cb0c: Add cropping, auto white balance, restrict ↵Guennadi Liakhovetski
sizes, add platform data It has been experimentally found out, that the sensor only supports up to 512x384 video output and also has some restrictions on minimum scale. We disable non-working size ranges until, maybe, someone finds out how to properly set them up. Also add cropping support, an auto white balance control, platform data to specify master clock frequency and polarity of the IOCTL pin. create mode 100644 include/media/rj54n1cb0c.h Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13659): soc-camera: convert to the new mediabus APIGuennadi Liakhovetski
Convert soc-camera core and all soc-camera drivers to the new mediabus API. This also takes soc-camera client drivers one step closer to also be usable with generic v4l2-subdev host drivers. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13658): v4l: add a media-bus API for configuring v4l2 subdev pixel ↵Guennadi Liakhovetski
and frame formats Video subdevices, like cameras, decoders, connect to video bridges over specialised busses. Data is being transferred over these busses in various formats, which only loosely correspond to fourcc codes, describing how video data is stored in RAM. This is not a one-to-one correspondence, therefore we cannot use fourcc codes to configure subdevice output data formats. This patch adds codes for several such on-the-bus formats and an API, similar to the familiar .s_fmt(), .g_fmt(), .try_fmt(), .enum_fmt() API for configuring those codes. After all users of the old API in struct v4l2_subdev_video_ops are converted, it will be removed. Also add helper routines to support generic pass-through mode for the soc-camera framework. create mode 100644 drivers/media/video/soc_mediabus.c create mode 100644 include/media/soc_mediabus.h create mode 100644 include/media/v4l2-mediabus.h Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13657): tw9910: Add revision control to tw9910_set_hsyncKuninori Morimoto
Bits 10-3 of hsync control are the same for Rev0 and Rev1, but only Rev1 also has bits 2-0 for hsync. Account for this difference and also fix a register name. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13656): tw9910: tw9910_set_hsync clean upKuninori Morimoto
tw9910_set_hsync should use tw9910_mask_set to set bits 2-0 Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13655): tw9910: Add power controlKuninori Morimoto
Power down internal blocks when not streaming. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13654): tw9910: Tri-state pins when idleKuninori Morimoto
Tri-state all pins when not streaming to save power. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13653): tw9910: simplify chip ID calculationKuninori Morimoto
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13652): tw9910: Add revision controlKuninori Morimoto
Also fix a badly chosen macro name. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13650): soc-camera: switch drivers and platforms to use .priv in ↵Guennadi Liakhovetski
struct soc_camera_link After this change drivers can be further extended to not fail, if they don't get platform data, but to use defaults. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13646): sh_mobile_ceu_camera: do not mark host occupied, when ↵Guennadi Liakhovetski
adding a client fails Currently, if resetting the host interface, when adding a new client, fails, a negative error code is returned, but the host is still marked as occupied. Fix this bug. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13645): soc-camera: fix multi-line comment coding styleGuennadi Liakhovetski
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13644): v4l: add new v4l2-subdev sensor operations, use ↵Guennadi Liakhovetski
g_skip_top_lines in soc-camera Introduce new v4l2-subdev sensor operations, move .enum_framesizes() and .enum_frameintervals() methods to it, add a new .g_skip_top_lines() method and switch soc-camera to use it instead of .y_skip_top soc_camera_device member, which can now be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl> Reviewed-by: Sergio Aguirre <saaguirre@ti.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16V4L/DVB (13642): tw9910: The driver can also handle revision 1 of the chipKuninori Morimoto
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-16HWPOISON: Add soft page offline supportAndi Kleen
This is a simpler, gentler variant of memory_failure() for soft page offlining controlled from user space. It doesn't kill anything, just tries to invalidate and if that doesn't work migrate the page away. This is useful for predictive failure analysis, where a page has a high rate of corrected errors, but hasn't gone bad yet. Instead it can be offlined early and avoided. The offlining is controlled from sysfs, including a new generic entry point for hard page offlining for symmetry too. We use the page isolate facility to prevent re-allocation race. Normally this is only used by memory hotplug. To avoid races with memory allocation I am using lock_system_sleep(). This avoids the situation where memory hotplug is about to isolate a page range and then hwpoison undoes that work. This is a big hammer currently, but the simplest solution currently. When the page is not free or LRU we try to free pages from slab and other caches. The slab freeing is currently quite dumb and does not try to focus on the specific slab cache which might own the page. This could be potentially improved later. Thanks to Fengguang Wu and Haicheng Li for some fixes. [Added fix from Andrew Morton to adapt to new migrate_pages prototype] Signed-off-by: Andi Kleen <ak@linux.intel.com>
2009-12-16ACPI: fix for lapic_timer_propagate_broadcast()Hidetoshi Seto
I got following warning on ia64 box: In function 'acpi_processor_power_verify': 642: warning: passing argument 2 of 'smp_call_function_single' from incompatible pointer type This smp_call_function_single() was introduced by a commit f833bab87fca5c3ce13778421b1365845843b976: > @@ -162,8 +162,9 @@ > pr->power.timer_broadcast_on_state = state; > } > > -static void lapic_timer_propagate_broadcast(struct acpi_processor *pr) > +static void lapic_timer_propagate_broadcast(void *arg) > { > + struct acpi_processor *pr = (struct acpi_processor *) arg; > unsigned long reason; > > reason = pr->power.timer_broadcast_on_state < INT_MAX ? > @@ -635,7 +636,8 @@ > working++; > } > > - lapic_timer_propagate_broadcast(pr); > + smp_call_function_single(pr->id, lapic_timer_propagate_broadcast, > + pr, 1); > > return (working); > } The problem is that the lapic_timer_propagate_broadcast() has 2 versions: One is real code that modified in the above commit, and the other is NOP code that used when !ARCH_APICTIMER_STOPS_ON_C3: static void lapic_timer_propagate_broadcast(struct acpi_processor *pr) { } So I got warning because of !ARCH_APICTIMER_STOPS_ON_C3. We really want to do nothing here on !ARCH_APICTIMER_STOPS_ON_C3, so modify lapic_timer_propagate_broadcast() of real version to use smp_call_function_single() in it. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-16Merge branch 'dock' into releaseLen Brown
Conflicts: drivers/acpi/dock.c Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-16acpi_pad: squish warningAndrew Morton
drivers/acpi/acpi_pad.c: In function 'power_saving_thread': drivers/acpi/acpi_pad.c:103: warning: 'preferred_cpu' may be used uninitialized in this function Cc: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-16ACPI: dock: minor whitespace and style cleanupsAlex Chiang
Removed some stray whitespaces Added whitespace when needed for legibility Removed unneeded curly braces Removed useless void casts Removed unnecessary local variable initialization Renamed variables to help out with 80-column fixes Signed-off-by: Alex Chiang <achiang@hp.com> Acked-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-16ACPI: dock: add struct dock_station * directly to platform device dataAlex Chiang
Instead of adding a (struct dock_station **) to our dock device's platform data, we can add the (struct dock_station *) directly. This change saves us some ugly casting and improves readability. The cost of making this change is an extra 290 bytes of stack usage, but this is an infrequently called code-path and unlikely to cause the kernel to blow up. Signed-off-by: Alex Chiang <achiang@hp.com> Acked-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-16ACPI: dock: dock_add - hoist up platform_device_register_simple()Alex Chiang
Move the call to platform_device_register_simple so that we do it before allocating and initializing our struct dock_station. Signed-off-by: Alex Chiang <achiang@hp.com> Acked-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
generated by cgit (git 2.34.1) at 2025-09-24 14:08:48 +0000