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* OMAP: DSS2: DISPC: rename overlay related funcsTomi Valkeinen2011-09-303-90/+94
| | | | | | | | | | | | | | | | | Rename dispc's overlay related functions as follows: - Remove prepending underscores, which were originally used to inform that the clocks needs to be enabled. This meaning is no longer valid. - Prepend the functions with dispc_ovl_* - Remove "plane" from the name, e.g. dispc_set_plane_ba0 -> dispc_ovl_set_ba0 The idea is to group overlay related functions so that it can be deduced from the function name that it writes to overlay spesific registers. All dispc_ovl_* functions have enum omap_plane as the first parameter. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: DISPC: remove non-existing func prototypesTomi Valkeinen2011-09-301-5/+0
| | | | | | The functions do not exist, so remove the prototypes. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: OMAPFB: string parsing cleanupsTomi Valkeinen2011-09-301-4/+2
| | | | | | Use strtobool instead of kstrtoint when parsing bool from sysfs. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: string parsing cleanupsTomi Valkeinen2011-09-303-33/+32
| | | | | | Use strtobool and kstrto* functions when parsing sysfs inputs. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: Add GLOBAL_ALPHA & PRE_MULT_ALPHA to ovl capsTomi Valkeinen2011-09-304-40/+25
| | | | | | | | | | | | | Add OMAP_DSS_OVL_CAP_GLOBAL_ALPHA and OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA to overlay capabilities. Use these instead of FEAT_GLOBAL_ALPHA, FEAT_GLOBAL_ALPHA_VID1 and FEAT_PRE_MULT_ALPHA in code. Remove FEAT_GLOBAL_ALPHA_VID1 and FEAT_PRE_MULT_ALPHA which are no longer used. FEAT_GLOBAL_ALPHA is still used to decide if the HW has global alpha register. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Archit Taneja <archit@ti.com>
* OMAP: DSS2: Add overlay caps to DSS featuresTomi Valkeinen2011-09-303-3/+57
| | | | | | | | Add support to define overlay capabilities into dss_features. The features are set to overlay->caps at initialization time. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Archit Taneja <archit@ti.com>
* OMAP: DSS2: DISPC: use lookup tables for bit shiftsTomi Valkeinen2011-09-301-154/+50
| | | | | | | | Use lookup tables instead of switch/if in some DISPC functions to make the code cleaner. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Archit Taneja <archit@ti.com>
* OMAP: DSS2: Remove support for non-DISPC overlaysTomi Valkeinen2011-09-305-271/+19
| | | | | | | | | | | | | | | | | | Remove support for non-DISPC overlays and overlay managers. The support to possibly have non-DISPC overlays and managers was made to make it possible to use CPU and/or sDMA to update RFBI or DSI command mode displays. It is ok to remove the support, because: - No one has used the feature. - Display update without DISPC is very slow, so it is debatable if the update would even be usable. - Removal cleans up code. - If such a feature is needed later, it is better implemented outside omapdss driver. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Archit Taneja <archit@ti.com>
* OMAP: DSS2: Remove "EXPERIMENTAL" from KconfigTomi Valkeinen2011-09-302-2/+2
| | | | | | | DSS driver has not been "experimental" for many years now, so perhaps it's time to remove the text from Kconfig titles. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: Handle manager change in applyTomi Valkeinen2011-09-304-10/+10
| | | | | | | | | | | | | | | | Currently when changing the manager of an overlay, set_manager() directly calls dispc to set the overlay's destination. Change this to be more in line with other overlay configurations, and this will also remove the need to have dispc clocks enabled when calling set_manager(). A new field is added to overlay struct, "manager_changed". This is similar to "display_changed" field in manager struct, and is used to inform apply that the manager has changed and thus write to the registers is needed. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: fix clock sources on error and uninitTomi Valkeinen2011-09-302-1/+6
| | | | | | | DPI and DSI were not cleaning up the clock source in error or uninit cases. Set the clock source back to PRCM. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: OMAPFB: make omapfb start even when a display is missing a driverTomi Valkeinen2011-09-301-2/+3
| | | | | | | | | Currently omapfb wants that all the display devices have a driver, otherwise omapfb refuses to start. There's no real requirement to act like that, and this patch will make omapfb give a warning and skip that device. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: DSI: Improve dsi_mux_pads parametersTomi Valkeinen2011-09-301-11/+31
| | | | | | | | dsi_mux_pads() needs to know about the DSI HW module and the DSI lanes used. Split the function into two, enable and disable, which take necessary arguments, and add empty implementations for both. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: Change DSI device namingTomi Valkeinen2011-09-301-15/+10
| | | | | | | | | | | | | Currently, there are 2 differently named platform devices generated for the 2 DSS DSI modules. In order to use the same driver, the dsi devices should be 2 instances of the same platform device. Change the platform device names from "omapdss_dsi1" and "omapdss_dsi2" to omapdss_dsi", and set the device indices to 0 and 1. Signed-off-by: Archit Taneja <archit@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: remove unneeded fck enable/disablesTomi Valkeinen2011-09-205-39/+0
| | | | | | | | | | | | | | Now that the HWMOD fmwk handles the fcks of DSS modules properly, the DSS driver no longer needs to explicitely enable/disable the fck. This patch removes the enables/disables of fck from dispc, dsi and dss. The clk_get(fck) is still needed there, as the modules need to know the frequency of the clock. For hdmi and venc this patch also removes the clk_get(fck), as they don't need the clock at all. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* Revert "OMAP: DSS2: HDMI: fix hdmi clock name"Tomi Valkeinen2011-09-201-2/+2
| | | | | | | | This reverts commit df5d3ed23cf73ee0763a8963003bda9b69d9620f. The HDMI clock name has been fixed in HWMOD data. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* Revert "HACK: OMAP: DSS2: clk hack for OMAP2/3"Tomi Valkeinen2011-09-205-19/+3
| | | | | | | | This reverts commit 9ede365aa6f74428a1f69c21ca1cf21213167576. The hack is no longer needed, as the HWMOD data has been fixed. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: Use a macro to declare size of the fifo_size array in dispc.cArchit Taneja2011-09-141-2/+2
| | | | | | | | | | The array size of fifo_size array in the global dispc struct is currently hardcoded to 3. Replace this with the MAX_DSS_OVERLAYS macro in dss_features.h, use dss_features function to get the number of overlays instead of the ARRAY_SIZE macro in dispc_read_plane_fifo_sizes(). Signed-off-by: Archit Taneja <archit@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: DISPC: Shorten _dispc_set_color_conv_coef()Archit Taneja2011-09-141-26/+16
| | | | | | | Iterate over overlay id's to shorten _dispc_set_color_conv_coef() Signed-off-by: Archit Taneja <archit@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: DISPC: dispc_save_context() and dispc_restore_context() cleanupArchit Taneja2011-09-141-277/+125
| | | | | | | | Iterate over manager and overlay id's to shorten dispc_save_context() and dispc_restore_context(). Signed-off-by: Archit Taneja <archit@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: DISPC: Shorten dispc_dump_regs()Archit Taneja2011-09-141-229/+99
| | | | | | | Iterate over manager and overlay id's to shorten dispc_dump_regs(). Signed-off-by: Archit Taneja <archit@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: DISPC: Prepare dispc_dump_regs() for shorteningArchit Taneja2011-09-141-205/+239
| | | | | | | | | | | | | | | | Prepare dispc_dump_regs() to iterate over manager and overlay id's. Doing this requires modifications of the macro "DUMPREG" which currently needs us to specify the manager/overlay name to get the correct result. For example, in order to print the register DISPC_TIMING_H(OMAP_DSS_CHANNEL_LCD), we can't iterate over a varaible i and get the desired result through DUMPREG(DISPC_TIMING_H(i)). Split the registers into 3 sections, the first with no arguments(common registers), the second with one argument(manager/overlay id), and the third with two arguments(overlay id and coefficient index), redefine DUMPREG macros for each of these. Signed-off-by: Archit Taneja <archit@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAPFB: make debug message more usefulAndy Doan2011-09-141-1/+2
| | | | | | | | Make the debug message useful by printing the name of the device that no associated driver could be found for. Signed-off-by: Andy Doan <andy.doan@linaro.org> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS: dispc: enable/disable clocks in error handlerDima Zavin2011-09-141-0/+4
| | | | | | | | | There's no guarantee that the error handler worker thread will run while the dispc clocks are on. Explicitly enable/disable them. Signed-off-by: Dima Zavin <dima@android.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: Don't allow moving managers away from enabled displaysDaniel Morsing2011-09-141-0/+7
| | | | | | | | | | | | If a manager is moved while attached to an enabled display, the DSS system will be left in an inconsistent state. This will eventually cause a kernel oops when the enabled display is disabled. Fix this by not allowing the user to move a manager away from an enabled display. Signed-off-by: Daniel Morsing <daniel.morsing@gmail.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: check for manager when enabling displayTomi Valkeinen2011-09-145-0/+27
| | | | | | | | | | None of the DSS interface drivers check if an overlay manager is connected to the display when the display is being enabled. This leads to null pointer crash if the display has no manager. This patch checks for the manager and returns an error if it is null. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: PicoDLP: fix error handling in power_onTomi Valkeinen2011-09-141-2/+4
| | | | | | | | | | | | Fix two problems in PicoDLP driver's error handling on picodlp_panel_power_on: - If omapdss_dpi_display_enable() failed, the its error value was not returned - If picodlp_i2c_init() failed, dssdev->state was erroneously set to OMAP_DSS_DISPLAY_ACTIVE Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* OMAP: DSS2: Add picodlp panel driverMayuresh Janorkar2011-09-144-0/+887
| | | | | | | | | | | | | | | | | | | | | PicoDLP is a micro projector from TI. DLP used in OMAP4 is dpp2600 (DLP Pico Projector) The DLP requires commands to be sent over i2c for configurations. To know more about dpp2600 commands please visit: https://focus.ti.com/myti/docs/extranet.tsp?sectionId=403 The picodlp module consists of a dss driver and an i2c_client. To know more please visit: http://www.omappedia.org/wiki/PicoDLP_projector_guide Based on original design from Mythri P K <mythripk@ti.com> Signed-off-by: Mayuresh Janorkar <mayur@ti.com> Signed-off-by: Mythri P K <mythripk@ti.com> [tomi.valkeinen@ti.com: squashed commits] Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds2011-09-127-28/+66
|\ | | | | | | | | | | | | | | | | | | | | * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm: Remove duplicate "return" statement drm/nv04/crtc: Bail out if FB is not bound to crtc drm/nouveau: fix nv04_sgdma_bind on non-"4kB pages" archs drm/nouveau: properly handle allocation failure in nouveau_sgdma_populate drm/nouveau: fix oops on pre-semaphore hardware drm/nv50/crtc: Bail out if FB is not bound to crtc drm/radeon/kms: fix DP detect and EDID fetch for DP bridges
| * drm: Remove duplicate "return" statementLin Ming2011-09-091-1/+0
| | | | | | | | | | | | | | Remove the duplicate "return" statement in drm_fb_helper_panic(). Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * Merge branch 'drm-nouveau-fixes' of ↵Dave Airlie2011-09-094-7/+30
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-test * 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: drm/nv04/crtc: Bail out if FB is not bound to crtc drm/nouveau: fix nv04_sgdma_bind on non-"4kB pages" archs drm/nouveau: properly handle allocation failure in nouveau_sgdma_populate drm/nouveau: fix oops on pre-semaphore hardware drm/nv50/crtc: Bail out if FB is not bound to crtc
| | * drm/nv04/crtc: Bail out if FB is not bound to crtcEmil Velikov2011-09-091-2/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit resolves a possible 'NULL pointer dereference' It uses the same approach as radeon, intel and nouveau/nv50 Fixes bug 'Nouveau: Kernel oops when unplugging external monitor' https://bugs.freedesktop.org/show_bug.cgi?id=40336 Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| | * drm/nouveau: fix nv04_sgdma_bind on non-"4kB pages" archsMarcin Slusarz2011-09-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | nv04_sgdma_bind binds the same page multiple times on architectures where PAGE_SIZE != 4096. Let's fix it. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| | * drm/nouveau: properly handle allocation failure in nouveau_sgdma_populateMarcin Slusarz2011-09-091-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Not cleaning after alloc failure would result in crash on destroy, because nouveau_sgdma_clear assumes "ttm_alloced" to be not null when "pages" is not null. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: stable@kernel.org Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| | * drm/nouveau: fix oops on pre-semaphore hardwareBen Skeggs2011-09-091-1/+2
| | | | | | | | | | | | Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| | * drm/nv50/crtc: Bail out if FB is not bound to crtcEmil Velikov2011-09-091-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes possbile NULL pointer dereference Resolves 'kernel crash in nv50_crtc_do_mode_set_base during shutdown' https://bugs.freedesktop.org/show_bug.cgi?id=40005 Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| * | drm/radeon/kms: fix DP detect and EDID fetch for DP bridgesAlex Deucher2011-09-062-20/+36
| |/ | | | | | | | | | | | | | | Sink type is always DP for DP bridges and EDID fetch on DP bridges is always i2c over aux rather than plain i2c. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
* | Merge branch 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linusLinus Torvalds2011-09-117-74/+30
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus: [media] vp7045: fix buffer setup [media] nuvoton-cir: simplify raw IR sample handling [media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL [media] v4l2: Fix documentation of the codec device controls [media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240 [media] gspca - sonixj: Fix wrong register mask for sensor om6802 [media] gspca - ov519: Fix LED inversion of some ov519 webcams [media] pwc: precedence bug in pwc_init_controls()
| * | [media] vp7045: fix buffer setupFlorian Mickler2011-09-111-22/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dvb_usb_device_init calls the frontend_attach method of this driver which uses vp7045_usb_ob. In order to have a buffer ready in vp7045_usb_op, it has to be allocated before that happens. Luckily we can use the whole private data as the buffer as it gets separately allocated on the heap via kzalloc in dvb_usb_device_init and is thus apt for use via usb_control_msg. This fixes a BUG: unable to handle kernel paging request at 0000000000001e78 reported by Tino Keitel and diagnosed by Dan Carpenter. Cc: stable@kernel.org # For v3.0 and upper Tested-by: Tino Keitel <tino.keitel@tikei.de> Signed-off-by: Florian Mickler <florian@mickler.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| * | [media] nuvoton-cir: simplify raw IR sample handlingJarod Wilson2011-09-112-38/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The nuvoton-cir driver was storing up consecutive pulse-pulse and space-space samples internally, for no good reason, since ir_raw_event_store_with_filter() already merges back to back like samples types for us. This should also fix a regression introduced late in 3.0 that related to a timeout change, which actually becomes correct when coupled with this change. Tested with RC6 and RC5 on my own nuvoton-cir hardware atop vanilla 3.0.0, after verifying quirky behavior in 3.0 due to the timeout change. Reported-by: Stephan Raue <sraue@openelec.tv> CC: Stephan Raue <sraue@openelec.tv> CC: stable@vger.kernel.org Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| * | [media] [Resend] viacam: Don't explode if pci_find_bus() returns NULLJesper Juhl2011-09-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the unlikely case that pci_find_bus() should return NULL viacam_serial_is_enabled() is going to dereference a NULL pointer and blow up. Better safe than sorry, so be defensive and check the pointer. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| * | [media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240Jean-François Moine2011-09-111-0/+4
| | | | | | | | | | | | | | | | | | | | | The images are clearer with a lower bridge clock. Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| * | [media] gspca - sonixj: Fix wrong register mask for sensor om6802Luiz Carlos Ramos2011-09-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The bug was introduced by git commit 0e4d413af1a9d, giving very dark images. Signed-off-by: Luiz Carlos Ramos <lramos.prof@yahoo.com.br> Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| * | [media] gspca - ov519: Fix LED inversion of some ov519 webcamsJean-François Moine2011-09-111-12/+10
| | | | | | | | | | | | | | | | | | | | | | | | The list of the webcams which have LED inversion was rebuild scanning ms-win .inf files. Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| * | [media] pwc: precedence bug in pwc_init_controls()Dan Carpenter2011-09-111-1/+1
| |/ | | | | | | | | | | | | | | '!' has higher precedence than '&' so we need parenthesis here. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* | scsi: qla4xxx driver depends on NETRandy Dunlap2011-09-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When CONFIG_NET is disabled, SCSI_QLA_ISCSI selects SCSI_ISCSI_ATTRS, which uses network interfaces, so the build fails with multiple errors: warning: (ISCSI_TCP && SCSI_CXGB3_ISCSI && SCSI_CXGB4_ISCSI && SCSI_QLA_ISCSI && INFINIBAND_ISER) selects SCSI_ISCSI_ATTRS which has unmet direct dependencies (SCSI && NET) ERROR: "skb_trim" [drivers/scsi/scsi_transport_iscsi.ko] undefined! ERROR: "netlink_kernel_create" [drivers/scsi/scsi_transport_iscsi.ko] undefined! ERROR: "netlink_kernel_release" [drivers/scsi/scsi_transport_iscsi.ko] undefined! ... so make SCSI_QLA_ISCSI also depend on NET to prevent the build errors. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Ravi Anand <ravi.anand@qlogic.com> Cc: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Cc: iscsi-driver@qlogic.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'fixes' of ↵Linus Torvalds2011-09-111-0/+3
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm * 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: ARM: 7088/1: entry: fix wrong parameter name used in do_thumb_abort ARM: 7080/1: l2x0: make sure I&D are not locked down on init ARM: 7081/1: mach-integrator: fix the clocksource NET: am79c961: fix race in link status code ARM: 7067/1: mm: keep significant bits in pfn_valid
| * | NET: am79c961: fix race in link status codeRussell King2011-09-051-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The link status code operates from a timer, and writes the index register without first taking a lock. A well-placed interrupt between writing the index register and reading the data register could change the index register on us, which will return wrong data. Add the necessary lock. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | backlight: Declare backlight_types[] constBart Van Assche2011-09-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since backlight_types[] isn't modified, let's declare it const. That was probably the intention of the author of commit bb7ca747f8d6 ("backlight: add backlight type"), via which the "const char const *" construct was introduced. The duplicate const was detected by sparse. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Cc: Matthew Garrett <mjg@redhat.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds2011-09-103-30/+43
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://neil.brown.name/md: md: Fix handling for devices from 2TB to 4TB in 0.90 metadata. md/raid1,10: Remove use-after-free bug in make_request. md/raid10: unify handling of write completion. Avoid dereferencing a 'request_queue' after last close.
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