- 19 Sep, 2011 3 commits
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Alim Akhtar authored
Platform data is provided for two instance of pl330 DMAC, but only one DMAC is register with amba_device. This patch register the second instance. Signed-off-by:
Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by:
Kukjin Kim <kgene.kim@samsung.com>
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Alim Akhtar authored
Platform data is provided for two instance of pl330 DMAC, but only one DMAC is register with amba_device. This patch register the second instance. Signed-off-by:
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git://git.infradead.org/users/vkoul/slave-dmaKukjin Kim authored
Merge branch 'samsung_dma' of git://git.infradead.org/users/vkoul/slave-dma into next/topic-dma-samsung
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- 14 Sep, 2011 16 commits
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Boojin Kim authored
This patch removes the samsung specific enum type 's3c2410_dmasrc' and uses 'dma_data_direction' instead. Signed-off-by:
Boojin Kim <boojin.kim@samsung.com> Acked-by:
Linus Walleij <linus.walleij@linaro.org> Acked-by:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
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Boojin Kim authored
This patch adds to support the DMA PL330 driver that uses DMA generic API. Samsung sound driver uses DMA generic API if architecture supports it. Otherwise, use samsung specific S3C-PL330 API driver to transfer PCM data. Signed-off-by:
Mark Brown <broonie@opensource.wolfsonmicro.com> [kgene.kim@samsung.com: removed useless variable] Signed-off-by:
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Boojin Kim authored
This patch modifies to merge the dma control code. Original s3c64xx spi driver has each dma control code for rx and tx channel. This patch merges these dma control codes into one. With this patch, a dma setup function and callback function handle for both rx and tx channel. Signed-off-by:
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Boojin Kim authored
This patch adds to support DMA generic API to transfer raw SPI data. Basiclly the spi driver uses DMA generic API if architecture supports it. Otherwise, uses Samsung specific S3C-PL330 APIs. Signed-off-by:
Grant Likely <grant.likely@secretlab.ca> Signed-off-by:
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Boojin Kim authored
Since DMA generic APIs can be used for Samsung DMA now so that the s3c-pl330 which includes Samsung specific DMA APIs can be removed. Signed-off-by:
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Boojin Kim authored
This patch makes Samsung S5P64X0 to use DMA PL330 driver on DMADEVICE. The S5P64X0 uses DMA generic APIs instead of SAMSUNG specific S3C-PL330 APIs. Signed-off-by:
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Boojin Kim authored
This patch makes Samsung S5PC100 to use DMA PL330 driver on DMADEVICE. The S5PC100 uses DMA generic APIs instead of SAMSUNG specific S3C-PL330 APIs. Signed-off-by:
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Boojin Kim authored
This patch makes Samsung S5PV210 to use DMA PL330 driver on DMADEVICE. The S5PV210 uses DMA generic APIs instead of SAMSUNG specific S3C-PL330 APIs. Signed-off-by:
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Boojin Kim authored
This patch makes Samsung EXYNOS4 to use DMA PL330 driver on DMADEVICE. The EXYNOS4 uses DMA generic APIs instead of SAMSUNG specific S3C-PL330 APIs. Signed-off-by:
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Boojin Kim authored
This patch adds common DMA operations which are used for Samsung DMA drivers. Currently there are two types of DMA driver for Samsung SoCs. The one is S3C-DMA for S3C SoCs and the other is PL330-DMA for S5P SoCs. This patch provides funcion pointers for common DMA operations to DMA client driver like SPI and Audio. It makes DMA client drivers support multi-platform. In addition, this common DMA operations implement the shared actions that are needed for DMA client driver. For example shared actions are filter() function for dma_request_channel() and parameter passing for device_prep_slave_sg(). Signed-off-by:
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Boojin Kim authored
This patch adds to support PL330-DMA driver on DMADEVICE for S5P SoCs. Signed-off-by:
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Boojin Kim authored
This patch adds DMA_CYCLIC capability that is used for audio driver. DMA driver activated with it reuses the dma requests that were submitted through tx_submit(). Signed-off-by:
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Boojin Kim authored
Original code carries out the start operation after flush operation. But start operation is not required for DMA_TERMINATE_ALL command. So, this patch removes the unnecessary start operation and only carries out the flush operation for handling DMA_TERMINATE_ALL command. Signed-off-by:
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Boojin Kim authored
Signed-off-by:
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Boojin Kim authored
This patch updates following 3 items. 1. Removes unneccessary code. 2. Add AMBA, PL330 configuration 3. Change the meaning of 'peri_id' variable from PL330 event number to specific dma id by user. Signed-off-by:
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Boojin Kim authored
Signed-off-by:
Jassi Brar <jassisinghbrar@gmail.com> Acked-by:
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- 12 Sep, 2011 9 commits
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Linus Torvalds authored
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
* '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
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git://git.linaro.org/people/arnd/arm-socLinus Torvalds authored
* 'fixes' of git://git.linaro.org/people/arnd/arm-soc: ARM: CSR: add missing sentinels to of_device_id tables ARM: cns3xxx: Fix newly introduced warnings in the PCIe code ARM: cns3xxx: Fix compile error caused by hardware.h removed ARM: davinci: fix cache flush build error ARM: davinci: correct MDSTAT_STATE_MASK ARM: davinci: da850 EVM: read mac address from SPI flash OMAP: omap_device: fix !CONFIG_SUSPEND case in _noirq handlers OMAP2430: hwmod: musb: add missing terminator to omap2430_usbhsotg_addrs[] OMAP3: clock: indicate that gpt12_fck and wdt1_fck are in the WKUP clockdomain OMAP4: clock: fix compile warning OMAP4: clock: re-enable previous clockdomain enable/disable sequence OMAP: clockdomain: Wait for powerdomain to be ON when using clockdomain force wakeup OMAP: powerdomains: Make all powerdomain target states as ON at init
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Mathieu Desnoyers authored
The LTTng 2.0 kernel tracer (stand-alone module package, available at http://lttng.org) uses the 0xF6 ioctl range for tracer control and transport operations. Signed-off-by:
Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://github.com/chrismason/linuxLinus Torvalds authored
* 'for-linus' of git://github.com/chrismason/linux: Btrfs: add dummy extent if dst offset excceeds file end in Btrfs: calc file extent num_bytes correctly in file clone btrfs: xattr: fix attribute removal Btrfs: fix wrong nbytes information of the inode Btrfs: fix the file extent gap when doing direct IO Btrfs: fix unclosed transaction handle in btrfs_cont_expand Btrfs: fix misuse of trans block rsv Btrfs: reset to appropriate block rsv after orphan operations Btrfs: skip locking if searching the commit root in csum lookup btrfs: fix warning in iput for bad-inode Btrfs: fix an oops when deleting snapshots
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Miklos Szeredi authored
kmemleak is reporting that 32 bytes are being leaked by FUSE: unreferenced object 0xe373b270 (size 32): comm "fusermount", pid 1207, jiffies 4294707026 (age 2675.187s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<b05517d7>] kmemleak_alloc+0x27/0x50 [<b0196435>] kmem_cache_alloc+0xc5/0x180 [<b02455be>] fuse_alloc_forget+0x1e/0x20 [<b0245670>] fuse_alloc_inode+0xb0/0xd0 [<b01b1a8c>] alloc_inode+0x1c/0x80 [<b01b290f>] iget5_locked+0x8f/0x1a0 [<b0246022>] fuse_iget+0x72/0x1a0 [<b02461da>] fuse_get_root_inode+0x8a/0x90 [<b02465cf>] fuse_fill_super+0x3ef/0x590 [<b019e56f>] mount_nodev+0x3f/0x90 [<b0244e95>] fuse_mount+0x15/0x20 [<b019d1bc>] mount_fs+0x1c/0xc0 [<b01b5811>] vfs_kern_mount+0x41/0x90 [<b01b5af9>] do_kern_mount+0x39/0xd0 [<b01b7585>] do_mount+0x2e5/0x660 [<b01b7966>] sys_mount+0x66/0xa0 This leak report is consistent and happens once per boot on 3.1.0-rc5-dirty. This happens if a FORGET request is queued after the fuse device was released. Reported-by:Sitsofe Wheeler <sitsofe@yahoo.com> Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Tested-by:
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Miklos Szeredi authored
Commit 37fb3a30 ("fuse: fix flock") added in 3.1-rc4 caused flock() to fail with ENOSYS with the kernel ABI version 7.16 or earlier. Fix by falling back to testing FUSE_POSIX_LOCKS for ABI versions 7.16 and earlier. Reported-by:
Martin Ziegler <ziegler@email.mathematik.uni-freiburg.de> Signed-off-by:
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Arnd Bergmann authored
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- 11 Sep, 2011 12 commits
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git://linuxtv.org/mchehab/for_linusLinus Torvalds authored
* '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()
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git://openrisc.net/~jonas/linuxLinus Torvalds authored
* 'for-linus' of git://openrisc.net/~jonas/linux: Add missing DMA ops openrisc: don't use pt_regs in struct sigcontext
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Li Zefan authored
You can see there's no file extent with range [0, 4096]. Check this by btrfsck: # btrfsck /dev/sda7 root 5 inode 258 errors 100 ... Signed-off-by:
Li Zefan <lizf@cn.fujitsu.com> Signed-off-by:
Chris Mason <chris.mason@oracle.com>
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Li Zefan authored
num_bytes should be 4096 not 12288. Signed-off-by:
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David Sterba authored
An attribute is not removed by 'setfattr -x attr file' and remains visible in attr list. This makes xfstests/062 pass again. Signed-off-by:
David Sterba <dsterba@suse.cz> Signed-off-by:
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Miao Xie authored
If we write some data into the data hole of the file(no preallocation for this hole), Btrfs will allocate some disk space, and update nbytes of the inode, but the other element--disk_i_size needn't be updated. At this condition, we must update inode metadata though disk_i_size is not changed(btrfs_ordered_update_i_size() return 1). # mkfs.btrfs /dev/sdb1 # mount /dev/sdb1 /mnt # touch /mnt/a # truncate -s 856002 /mnt/a # dd if=/dev/zero of=/mnt/a bs=4K count=1 conv=nocreat,notrunc # umount /mnt # btrfsck /dev/sdb1 root 5 inode 257 errors 400 found 32768 bytes used err is 1 Signed-off-by:
Miao Xie <miaox@cn.fujitsu.com> Signed-off-by:
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Miao Xie authored
When we write some data to the place that is beyond the end of the file in direct I/O mode, a data hole will be created. And Btrfs should insert a file extent item that point to this hole into the fs tree. But unfortunately Btrfs forgets doing it. The following is a simple way to reproduce it: # mkfs.btrfs /dev/sdc2 # mount /dev/sdc2 /test4 # touch /test4/a # dd if=/dev/zero of=/test4/a seek=8 count=1 bs=4K oflag=direct conv=nocreat,notrunc # umount /test4 # btrfsck /dev/sdc2 root 5 inode 257 errors 100 Reported-by:
Tsutomu Itoh <t-itoh@jp.fujitsu.com> Signed-off-by:
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Miao Xie authored
The function - btrfs_cont_expand() forgot to close the transaction handle before it jump out the while loop. Fix it. Signed-off-by:
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Liu Bo authored
At the beginning of create_pending_snapshot, trans->block_rsv is set to pending->block_rsv and is used for snapshot things, however, when it is done, we do not recover it as will. Signed-off-by:
Liu Bo <liubo2009@cn.fujitsu.com> Signed-off-by:
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Liu Bo authored
While truncating free space cache, we forget to change trans->block_rsv back to the original one, but leave it with the orphan_block_rsv, and then with option inode_cache enable, it leads to countless warnings of btrfs_alloc_free_block and btrfs_orphan_commit_root: WARNING: at fs/btrfs/extent-tree.c:5711 btrfs_alloc_free_block+0x180/0x350 [btrfs]() ... WARNING: at fs/btrfs/inode.c:2193 btrfs_orphan_commit_root+0xb0/0xc0 [btrfs]() Signed-off-by:
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Josef Bacik authored
It's not enough to just search the commit root, since we could be cow'ing the very block we need to search through, which would mean that its locked and we'll still deadlock. So use path->skip_locking as well. Thanks, Signed-off-by:
Josef Bacik <josef@redhat.com> Signed-off-by:
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Sergei Trofimovich authored
iput() shouldn't be called for inodes in I_NEW state. We need to mark inode as constructed first. WARNING: at fs/inode.c:1309 iput+0x20b/0x210() Call Trace: [<ffffffff8103e7ba>] warn_slowpath_common+0x7a/0xb0 [<ffffffff8103e805>] warn_slowpath_null+0x15/0x20 [<ffffffff810eaf0b>] iput+0x20b/0x210 [<ffffffff811b96fb>] btrfs_iget+0x1eb/0x4a0 [<ffffffff811c3ad6>] btrfs_run_defrag_inodes+0x136/0x210 [<ffffffff811ad55f>] cleaner_kthread+0x17f/0x1a0 [<ffffffff81035b7d>] ? sub_preempt_count+0x9d/0xd0 [<ffffffff811ad3e0>] ? transaction_kthread+0x280/0x280 [<ffffffff8105af86>] kthread+0x96/0xa0 [<ffffffff814336d4>] kernel_thread_helper+0x4/0x10 [<ffffffff8105aef0>] ? kthread_worker_fn+0x190/0x190 [<ffffffff814336d0>] ? gs_change+0xb/0xb Signed-off-by:
Sergei Trofimovich <slyfox@gentoo.org> CC: Konstantin Khlebnikov <khlebnikov@openvz.org> Tested-by:
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