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2012-07-27dm stripe: remove minimum stripe sizeMikulas Patocka1-2/+1
There is no technical limitation in device mapper that would prevent the dm-stripe target from using a stripe size smaller than page size. This patch removes the limit and makes stripe volumes portable across architectures with different page size. Signed-off-by: Mikulas Patocka <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm stripe: support for non power of 2 chunksizeMike Snitzer2-27/+21
Support non-power-of-2 chunk sizes with dm striping for proper alignment of stripe IO on storage that has non-power-of-2 optimal IO sizes (e.g. RAID6 10+2). Signed-off-by: Mike Snitzer <[email protected]> Signed-off-by: Mikulas Patocka <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm: support non power of two target max_io_lenMike Snitzer8-33/+69
Remove the restriction that limits a target's specified maximum incoming I/O size to be a power of 2. Rename this setting from 'split_io' to the less-ambiguous 'max_io_len'. Change it from sector_t to uint32_t, which is plenty big enough, and introduce a wrapper function dm_set_target_max_io_len() to set it. Use sector_div() to process it now that it is not necessarily a power of 2. Signed-off-by: Mike Snitzer <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm stripe: remove stripes_maskMikulas Patocka1-6/+3
The structure stripe_c contains a stripes_mask field. This field is useless because it can be trivially calculated by subtracting one from stripes. It is used only at one place. This patch removes it. The patch also changes ffs(stripes) - 1 to __ffs(stripes). Signed-off-by: Mikulas Patocka <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm stripe: fix size testMikulas Patocka2-3/+1
dm-stripe is supposed to ensure that all the space allocated to the stripes is fully used and that all stripes are the same size. This patch fixes the test. It checks that device length is divisible by the chunk size and checks that the resulting quotient is divisible by the number of stripes (which is equivalent to testing if device length is divisible by chunk_size * stripes). Previously, the code only tested that the number of sectors in the target was divisible by each of the chunk size and the number of stripes separately, which could leave entire stripes unused. (A setup that genuinely needs some stripes to be shorter than others can be created by concatenating striped targets.) Signed-off-by: Mikulas Patocka <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm thin: provide specific errors for two table load failure casesMike Snitzer1-2/+6
Provide specific error message strings for two pool_ctr() failure cases that currently give just "Unknown error". Reference: test_two_pools_pointing_to_the_same_metadata_fails and test_different_pool_cant_replace_pool in thinp-test-suite. Signed-off-by: Mike Snitzer <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm: replace simple_strtoulmajianpeng3-18/+7
Replace obsolete simple_strtoul() with kstrtou8/kstrtouint. Signed-off-by: majianpeng <[email protected]> Signed-off-by: Mikulas Patocka <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm snapshot: remove redundant assignment in merge fnAlasdair G Kergon1-1/+0
Remove redundant bvm->bi_sector self-assignment in dm snapshot's origin_merge(). Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm thin metadata: introduce THIN_MAX_CONCURRENT_LOCKSJoe Thornber1-6/+8
Introduce THIN_MAX_CONCURRENT_LOCKS into dm-thin-metadata to give a name to an otherwise "magic" number. Signed-off-by: Joe Thornber <[email protected]> Signed-off-by: Mike Snitzer <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm thin metadata: remove pointless label from __commit_transactionJoe Thornber1-8/+7
Remove the pointless label 'out' from __commit_transaction in dm-thin-metadata.c Signed-off-by: Joe Thornber <[email protected]> Signed-off-by: Mike Snitzer <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm persistent data: remove debug space map checkerJoe Thornber6-534/+11
Remove debug space map checker from dm persistent data. The space map checker is a wrapper for other space maps that double checks the reference counts are correct. It holds all these reference counts in memory rather than on disk, so uses a lot of memory and is thus restricted to small pools. As yet, this checker hasn't found any issues, but has caused a few of its own due to people turning it on by default with larger pools. Removing. Signed-off-by: Joe Thornber <[email protected]> Signed-off-by: Mike Snitzer <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm: remove unused flush target methodJoe Thornber1-2/+0
Remove unused dm_flush_fn .flush target method from header. This was left-over from the FLUSH/FUA conversion and is no longer used. Signed-off-by: Joe Thornber <[email protected]> Signed-off-by: Mike Snitzer <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm thin: clean up compiler warningMike Snitzer3-3/+3
Clean up "warning: dubious: !x & y". Also make it clear that __snapshotted_since() returns a bool and that dm_thin_lookup_result's 'shared' member is a flag. Signed-off-by: Mike Snitzer <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27dm thin: reduce endio_hook pool sizeAlasdair G Kergon1-1/+1
Reduce the slab size used for the dm_thin_endio_hook mempool. Allocation has been seen to fail on machines with smaller amounts of memory due to fragmentation. lvm: page allocation failure. order:5, mode:0xd0 device-mapper: table: 253:38: thin-pool: Error creating pool's endio_hook mempool Cc: [email protected] Signed-off-by: Alasdair G Kergon <[email protected]>
2012-07-27mfd: Ensure AB8500 platform data is passed through db8500-prcmu to MFD CoreLee Jones1-0/+1
When booting via platform code the AB8500 platform data is now passed in though the DB8500. However, if pdata_size is not set it will not be subsequently passed onto subordinate devices. This patch correctly populates pdata_size. Signed-off-by: Lee Jones <[email protected]> Signed-off-by: Samuel Ortiz <[email protected]>
2012-07-27mfd: Arizone core should select MFD_CORESamuel Ortiz1-0/+1
Otherwise, with: CONFIG_MFD_ARIZONA=y CONFIG_MFD_ARIZONA_I2C=m CONFIG_MFD_CORE=m We get: drivers/built-in.o: In function `arizona_dev_init': (.devinit.text+0x3ab0): undefined reference to `mfd_add_devices' drivers/built-in.o: In function `arizona_dev_init': (.devinit.text+0x3fdc): undefined reference to `mfd_add_devices' drivers/built-in.o: In function `arizona_dev_init': (.devinit.text+0x3fff): undefined reference to `mfd_add_devices' drivers/built-in.o: In function `arizona_dev_init': (.devinit.text+0x4059): undefined reference to `mfd_remove_devices' drivers/built-in.o: In function `arizona_dev_exit': (.devexit.text+0x9): undefined reference to `mfd_remove_devices' Reported-by: Randy Dunlap <[email protected]> Signed-off-by: Samuel Ortiz <[email protected]>
2012-07-26Merge tag 'fixes-for-linus' of ↵Linus Torvalds21-51/+133
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "A mixed bag of fixes, some for merge window fallout (tegra, MXS), and a short series of fixes for marvell platforms that didn't make it in before 3.5." * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: mxs: fix compile error caused by prom_update_property change ARM: dt: tegra trimslice: enable USB2 port ARM: dt: tegra trimslice: add vbus-gpio property ARM: vt8500: Add maintainer for VT8500 architecture ARM: Kirkwood: Replace mrvl with marvell ARM: Orion: fix driver probe error handling with respect to clk ARM: Dove: Fixup ge00 initialisation ARM: Kirkwood: Fix PHY disable clk problems ARM: Kirkwood: Ensure runit clock always ticks. ARM: versatile: Don't use platform clock for Integrator & VE ARM: tegra: harmony: add regulator supply name and its input supply
2012-07-26Merge branch 'for-3.6-rc1' of ↵Linus Torvalds51-413/+2376
git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds Pull LED subsystem update from Bryan Wu. * 'for-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (50 commits) leds-lp8788: forgotten unlock at lp8788_led_work LEDS: propagate error codes in blinkm_detect() LEDS: memory leak in blinkm_led_common_set() leds: add new lp8788 led driver LEDS: add BlinkM RGB LED driver, documentation and update MAINTAINERS leds: max8997: Simplify max8997_led_set_mode implementation leds/leds-s3c24xx: use devm_gpio_request leds: convert Network Space v2 LED driver to devm_kzalloc() and cleanup error exit path leds: convert DAC124S085 LED driver to devm_kzalloc() leds: convert LM3530 LED driver to devm_kzalloc() and cleanup error exit path leds: convert TCA6507 LED driver to devm_kzalloc() leds: convert Freescale MC13783 LED driver to devm_kzalloc() and cleanup error exit path leds: convert ADP5520 LED driver to devm_kzalloc() and cleanup error exit path leds: convert PCA955x LED driver to devm_kzalloc() and cleanup error exit path leds: convert Sun Fire LED driver to devm_kzalloc() and cleanup error exit path leds: convert PCA9532 LED driver to devm_kzalloc() leds: convert LT3593 LED driver to devm_kzalloc() leds: convert Renesas TPU LED driver to devm_kzalloc() and cleanup error exit path leds: convert LP5523 LED driver to devm_kzalloc() and cleanup error exit path leds: convert PCA9633 LED driver to devm_kzalloc() ...
2012-07-27drm/exynos: fixed exception to page allocation failureInki Dae1-1/+1
this patch corrects to deallocate the pages allocated already at alloc_page failure. Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: use __free_page() to deallocate memoryInki Dae1-15/+6
this patch uses __free_page() to deallocate the pages allocated by alloc_page() and the pages doesn't need set_parge_dirty() and mark_page_accessed() because they aren't from page cache so removes them. this patch has a pair with previous patch below, http://www.spinics.net/lists/dri-devel/msg24382.html Changelog v2: remove unnecessary arguments. Changelog v3: fix npages type. - npages can have negative value. Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: fixed a comment to gem size.Inki Dae1-1/+2
Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: removed unnecessary variableInki Dae1-5/+0
Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: do not release memory region from exporter.Inki Dae1-0/+10
the region should be released by exporter once dmabuf's refcount becomes 0. Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Seung-Woo Kim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: set buffer type from exporter.Inki Dae1-7/+20
when fd is imported to gem, whether the memory type from exporter is contigous or not should be set to gem flag so that drm-based driver can aware of the memory type. Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: use alloc_page() to allocate pages.Inki Dae1-11/+3
shmem_read_mapping_page_gfp() first tries to allocate pages from page cache so if pages are allocated from page cache then these pages could have valid cache line. after that cpu may read garbage data from cache once gpu operation is completed with allocated pages. so with this patch, Non-contiguous memory allocation request allocates pages from highmem through alloc_page() with GFP_HIGHUSER_MOVABLE. Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: fixed build warning.Inki Dae1-1/+1
Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: fixed edid data setting at vidi connection requestInki Dae1-7/+31
edid data from user should be allocated and copied into vidi context and also freed with disconnection. Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Seung-Woo Kim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: check if raw edid data is fake or not for testInki Dae1-0/+6
if raw edid data isn't same as fake data then it can't be tested. Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: set edid fake data only for test.Inki Dae1-3/+4
Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: removed unnecessary declaration.Inki Dae1-2/+0
Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: fix buffer pitch calculationCooper Yuan1-1/+1
Signed-off-by: Cooper Yuan <[email protected]> Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: check for null in return value of dma_buf_map_attachment()Subash Patel1-1/+1
dma_buf_map_attachment() can return NULL and valid sg as return value. Hence the check for the returned scatter-gather must be using the inline function IS_ERR_OR_NULL() in place of IS_ERR() Signed-off-by: Subash Patel <[email protected]> Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: return NULL if exynos_pages_to_sg failsSubash Patel1-0/+4
exynos_pages_to_sg() internally calls sg_kmalloc() which can return no pages when the system is under high memory crunch. One such instance is chromeos-install in the chromeos. This patch adds check for the return value of the function in subject to return NULL on failure. Signed-off-by: Subash Patel <[email protected]> Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: Use devm_* functions in exynos_mixer.cSachin Kamat1-34/+14
devm_* functions are device managed functions and make error handling and cleanup cleaner and simpler. Signed-off-by: Sachin Kamat <[email protected]> Signed-off-by: Sachin Kamat <[email protected]> Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: Use devm_* functions in exynos_hdmi.cSachin Kamat1-29/+7
devm_* functions are device managed functions and make error handling and cleanup cleaner and simpler. Signed-off-by: Sachin Kamat <[email protected]> Signed-off-by: Sachin Kamat <[email protected]> Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: Use devm_* functions in exynos_drm_fimd.cSachin Kamat1-32/+8
devm_* functions are device managed functions and make error handling and cleanup cleaner and simpler. Signed-off-by: Sachin Kamat <[email protected]> Signed-off-by: Sachin Kamat <[email protected]> Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: Add missing static storage class specifierSachin Kamat1-1/+2
Fixes the following sparse warning: drivers/gpu/drm/exynos/exynos_drm_connector.c:199:20: warning: symbol 'exynos_drm_best_encoder' was not declared. Should it be static? Signed-off-by: Sachin Kamat <[email protected]> Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
2012-07-27drm/exynos: add property for crtc modeJoonyoung Shim2-0/+73
This patch adds exynos specific property for crtc mode. The crtc mode property has tow modes - normal and blank. The normal mode is default mode and can use crtc normally. The blank mode turns off the private plane of crtc, so we don't see crtc screen but can see other plane screens. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27drm/exynos: add crtc disable functionJoonyoung Shim1-0/+11
The crtc disable is used to turn off private plane for crtc. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27drm/exynos: add plane enable/disableJoonyoung Shim6-28/+50
The plane enable/disable can control only a power of plane, so they will be helpful to handle planes with dpms. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27drm/exynos: remove unnecessary connector dpms controlJoonyoung Shim1-11/+0
The connector dpms should be controlled only by DPMS property and mode set. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27drm/exynos: fix dpms operation for mode setJoonyoung Shim3-37/+5
When we do mode set, the dpms mode should be ON. Don't control dpms in crtc commit function. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27drm/exynos: add property for plane zposJoonyoung Shim5-58/+48
The exynos drm driver used a specific ioctl - DRM_EXYNOS_PLANE_SET_ZPOS to set zpos of plane. It can be substitute to property of plane. This patch adds a property for plane zpos and removes DRM_EXYNOS_PLANE_SET_ZPOS ioctl. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27drm/exynos: update overlay via plane from crtcJoonyoung Shim6-222/+151
There is no any reason to update overlay at crtc directly because the crtc uses plane. Move its code to plane and call proper functions of plane from crtc. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27drm/exynos: use private plane for crtcJoonyoung Shim5-31/+47
The crtc can use private plane instead it has overlay struct. It will be helpful use plane feature from crtc later. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27drm/exynos: define to_exynos_plane macroJoonyoung Shim1-7/+6
Add macro to get struct exynos_plane from struct drm_plane pointer. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27drm/exynos: fix to set pipe of crtcJoonyoung Shim3-18/+24
It is enough to set pipe of crtc to manager only when do mode_set of crtc. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27drm/exynos: fix point to call overlay_ops->mode_setJoonyoung Shim2-9/+12
Call overlay->mode_set from crtc->mode_set instead of encoder->mode_set, it makes codes clearly. Signed-off-by: Joonyoung Shim <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Signed-off-by: Inki Dae <[email protected]>
2012-07-27Merge branch 'drm-next' of ../main_line/linux-drm into dave-drm-nextInki Dae9405-320833/+519895
2012-07-27powerpc/ftrace: Trace function graph entry before updating indexSteven Rostedt1-6/+5
As Colin Cross ported my x86 change to ARM, he also pointed out that powerpc is also behind in this fix. The commit 722b3c746953 "ftrace/graph: Trace function entry before updating index" fixes an issue with function graph tracing for x86, where if the called entry function decides not to trace interrupts, it can fail the check if an interrupt comes in just after the curr_ret_stack is updated. The solution is to call the entry function first, then update the curr_ret_stack if the entry function wants to be traced. Cc: Colin Cross <[email protected]> Signed-off-by: Steven Rostedt <[email protected]> Signed-off-by: Benjamin Herrenschmidt <[email protected]>
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