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* powerpc/86xx: add MMC SPI support for MPC8610HPCD boardsAnton Vorontsov2009-06-19
| | | | | | | | | | | | | This patch adds spi and mmc-spi-slot nodes, plus a gpio-controller for PIXIS' sdcsr bank that is used for managing SPI chip-select and for reading card's states. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: Kumar Gala <galak@gate.crashing.org> Cc: David Brownell <david-b@pacbell.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* spi_mpc83xx: add small delay after asserting chip-select lineAnton Vorontsov2009-06-19
| | | | | | | | | | | | | | | This is needed for some underlaying GPIO controllers that may be a bit slow, or if chip-select signal need some time to stabilize. For what it's worth, we already have the similar delay for chip-select de-assertion case. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: Kumar Gala <galak@gate.crashing.org> Cc: David Brownell <david-b@pacbell.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* spi_mpc83xx: quieten down the "Requested speed is too low" messageAnton Vorontsov2009-06-19
| | | | | | | | | | | | | | | | | | | | | | | | When a platform is running at high frequencies it's not always possible to scale-down a frequency to a requested value, and using mmc_spi driver this leads to the following printk flood during card polling: ... mmc_spi spi32766.0: Requested speed is too low: 400000 Hz. Will use 520828 Hz instead. mmc_spi spi32766.0: Requested speed is too low: 400000 Hz. Will use 520828 Hz instead. ... Fix this by using WARN_ONCE(), it's better than the flood, and also better than turning dev_err() into dev_dbg(), since we actually want to warn that some things may not work correctly. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: Kumar Gala <galak@gate.crashing.org> Cc: David Brownell <david-b@pacbell.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* spi_mpc83xx: handle other Freescale processorsAnton Vorontsov2009-06-19
| | | | | | | | | | | | | | | | With this patch we'll able to select spi_mpc83xx driver on the MPC86xx platforms. Let the driver depend on FSL_SOC, so we don't have to worry about Kconfig anymore. Also remove the "experimental" dependency, the driver has been tested to work on a various hardware, and surely not experimental anymore. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: Kumar Gala <galak@gate.crashing.org> Cc: David Brownell <david-b@pacbell.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* bootmem.c: avoid c90 declaration warningJoe Perches2009-06-19
| | | | | | | | | | | [akpm@linux-foundation.org: cleanup] Signed-off-by: Joe Perches <joe@perches.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Tejun Heo <tj@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* gpio: driver for PrimeCell PL061 GPIO controllerBaruch Siach2009-06-19
| | | | | | | | | | | | | | This is a driver for the ARM PrimeCell PL061 GPIO AMBA peripheral. The driver is implemented using the gpiolib framework. This driver also includes support for the use of the PL061 as an interrupt controller (secondary). Signed-off-by: Baruch Siach <baruch@tkos.co.il> Cc: David Brownell <david-b@pacbell.net> Acked-by: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for_linus' of ↵Linus Torvalds2009-06-18
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: jbd2: clean up jbd2_journal_try_to_free_buffers() ext4: Don't update ctime for non-extent-mapped inodes ext4: Fix up whitespace issues in fs/ext4/inode.c ext4: Fix 64-bit block type problem on 32-bit platforms ext4: teach the inode allocator to use a goal inode number ext4: Use a hash of the topdir directory name for the Orlov parent group ext4: document the "abort" mount option ext4: move the abort flag from s_mount_opts to s_mount_flags ext4: update the s_last_mounted field in the superblock ext4: change s_mount_opt to be an unsigned int ext4: online defrag -- Add EXT4_IOC_MOVE_EXT ioctl ext4: avoid unnecessary spinlock in critical POSIX ACL path ext3: avoid unnecessary spinlock in critical POSIX ACL path ext4: convert instrumentation from markers to tracepoints jbd2: convert instrumentation from markers to tracepoints
| * jbd2: clean up jbd2_journal_try_to_free_buffers()Hisashi Hifumi2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch reverts 3f31fddf, which is no longer needed because if a race between freeing buffer and committing transaction functionality occurs and dio gets error, currently dio falls back to buffered IO due to the commit 6ccfa806. Signed-off-by: Hisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp> Cc: Mingming Cao <cmm@us.ibm.com> Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext4: Don't update ctime for non-extent-mapped inodesTheodore Ts'o2009-06-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The VFS handles updating ctime, so we don't need to update the inode's ctime in ext4_splace_branch() to update the direct or indirect blocks. This was harmless when we did this in ext3, but in ext4, thanks to delayed allocation, updating the ctime in ext4_splice_branch() can cause the ctime to mysteriously jump when the blocks are finally allocated. Thanks to Björn Steinbrink for pointing out this problem on the git mailing list. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext4: Fix up whitespace issues in fs/ext4/inode.cTheodore Ts'o2009-06-14
| | | | | | | | | | | | This is a pure cleanup patch. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext4: Fix 64-bit block type problem on 32-bit platformsTheodore Ts'o2009-06-15
| | | | | | | | | | | | | | | | | | The function ext4_mb_free_blocks() was using an "unsigned long" to pass a block number; this will cause 64-bit block numbers to get truncated on x86 and other 32-bit platforms. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
| * ext4: teach the inode allocator to use a goal inode numberAndreas Dilger2009-06-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enhance the inode allocator to take a goal inode number as a paremeter; if it is specified, it takes precedence over Orlov or parent directory inode allocation algorithms. The extents migration function uses the goal inode number so that the extent trees allocated the migration function use the correct flex_bg. In the future, the goal inode functionality will also be used to allocate an adjacent inode for the extended attributes. Also, for testing purposes the goal inode number can be specified via /sys/fs/{dev}/inode_goal. This can be useful for testing inode allocation beyond 2^32 blocks on very large filesystems. Signed-off-by: Andreas Dilger <adilger@sun.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext4: Use a hash of the topdir directory name for the Orlov parent groupTheodore Ts'o2009-06-13
| | | | | | | | | | | | | | | | | | Instead of using a random number to determine the goal parent grop for the Orlov top directories, use a hash of the directory name. This allows for repeatable results when trying to benchmark filesystem layout algorithms. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext4: document the "abort" mount optionTheodore Ts'o2009-06-13
| | | | | | | | Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext4: move the abort flag from s_mount_opts to s_mount_flagsTheodore Ts'o2009-06-13
| | | | | | | | | | | | | | | | | | | | | | We're running out of space in the mount options word, and EXT4_MOUNT_ABORT isn't really a mount option, but a run-time flag. So move it to become EXT4_MF_FS_ABORTED in s_mount_flags. Also remove bogus ext2_fs.h / ext4.h simultaneous #include protection, which can never happen. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext4: update the s_last_mounted field in the superblockTheodore Ts'o2009-06-13
| | | | | | | | | | | | | | | | | | | | | | This field can be very helpful when a system administrator is trying to sort through large numbers of block devices or filesystem images. What is stored in this field can be ambiguous if multiple filesystem namespaces are in play; what we store in practice is the mountpoint interpreted by the process's namespace which first opens a file in the filesystem. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext4: change s_mount_opt to be an unsigned intTheodore Ts'o2009-06-13
| | | | | | | | | | | | | | | | We can only fit 32 options in s_mount_opt because an unsigned long is 32-bits on a x86 machine. So use an unsigned int to save space on 64-bit platforms. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext4: online defrag -- Add EXT4_IOC_MOVE_EXT ioctlAkira Fujita2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | The EXT4_IOC_MOVE_EXT exchanges the blocks between orig_fd and donor_fd, and then write the file data of orig_fd to donor_fd. ext4_mext_move_extent() is the main fucntion of ext4 online defrag, and this patch includes all functions related to ext4 online defrag. Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com> Signed-off-by: Takashi Sato <t-sato@yk.jp.nec.com> Signed-off-by: Kazuya Mio <k-mio@sx.jp.nec.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext4: avoid unnecessary spinlock in critical POSIX ACL pathTheodore Ts'o2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a filesystem supports POSIX ACL's, the VFS layer expects the filesystem to do POSIX ACL checks on any files not owned by the caller, and it does this for every single pathname component that it looks up. That obviously can be pretty expensive if the filesystem isn't careful about it, especially with locking. That's doubly sad, since the common case tends to be that there are no ACL's associated with the files in question. ext4 already caches the ACL data so that it doesn't have to look it up over and over again, but it does so by taking the inode->i_lock spinlock on every lookup. Which is a noticeable overhead even if it's a private lock, especially on CPU's where the serialization is expensive (eg Intel Netburst aka 'P4'). For the special case of not actually having any ACL's, all that locking is unnecessary. Even if somebody else were to be changing the ACL's on another CPU, we simply don't care - if we've seen a NULL ACL, we might as well use it. So just load the ACL speculatively without any locking, and if it was NULL, just use it. If it's non-NULL (either because we had a cached entry, or because the cache hasn't been filled in at all), it means that we'll need to get the lock and re-load it properly. (This commit was ported from a patch originally authored by Linus for ext3.) Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * ext3: avoid unnecessary spinlock in critical POSIX ACL pathLinus Torvalds2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a filesystem supports POSIX ACL's, the VFS layer expects the filesystem to do POSIX ACL checks on any files not owned by the caller, and it does this for every single pathname component that it looks up. That obviously can be pretty expensive if the filesystem isn't careful about it, especially with locking. That's doubly sad, since the common case tends to be that there are no ACL's associated with the files in question. ext3 already caches the ACL data so that it doesn't have to look it up over and over again, but it does so by taking the inode->i_lock spinlock on every lookup. Which is a noticeable overhead even if it's a private lock, especially on CPU's where the serialization is expensive (eg Intel Netburst aka 'P4'). For the special case of not actually having any ACL's, all that locking is unnecessary. Even if somebody else were to be changing the ACL's on another CPU, we simply don't care - if we've seen a NULL ACL, we might as well use it. So just load the ACL speculatively without any locking, and if it was NULL, just use it. If it's non-NULL (either because we had a cached entry, or because the cache hasn't been filled in at all), it means that we'll need to get the lock and re-load it properly. This is noticeable even on Nehalem, which does locking quite well (much better than P4). From lmbench: Processor, Processes - times in microseconds - smaller is better -------------------------------------------------------------------- Host OS Mhz null null open slct fork exec sh call I/O stat clos TCP proc proc proc --------- ------------- ---- ---- ---- ---- ---- ---- ---- ---- ---- - before: nehalem.l Linux 2.6.30- 3193 0.04 0.09 0.95 1.45 2.18 69.1 273. 1141 nehalem.l Linux 2.6.30- 3193 0.04 0.09 0.95 1.48 2.28 69.9 253. 1140 nehalem.l Linux 2.6.30- 3193 0.04 0.10 0.95 1.42 2.19 68.6 284. 1141 - after: nehalem.l Linux 2.6.30- 3193 0.04 0.09 0.92 1.44 2.12 68.3 282. 1094 nehalem.l Linux 2.6.30- 3193 0.04 0.09 0.92 1.39 2.20 67.0 308. 1123 nehalem.l Linux 2.6.30- 3193 0.04 0.09 0.92 1.39 2.36 67.4 293. 1148 where you can see what appears to be a roughly 3% improvement in stat and open/close latencies from just the removal of the locking overhead. Of course, this only matters for files you don't own (the owner never needs to do the ACL checks), but that's the common case for libraries, header files, and executables. As well as for the base components of any absolute pathname, even if you are the owner of the final file. [ At some point we probably want to move this ACL caching logic entirely into the VFS layer (and only call down to the filesystem when uncached), but in the meantime this improves ext3 a bit. A similar fix to btrfs makes a much bigger difference (15x improvement in lmbench) due to broken caching. ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Acked-by: Jan Kara <jack@suse.cz> Cc: Al Viro <viro@zeniv.linux.org.uk>
| * ext4: convert instrumentation from markers to tracepointsTheodore Ts'o2009-06-17
| | | | | | | | Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * jbd2: convert instrumentation from markers to tracepointsTheodore Ts'o2009-06-17
| | | | | | | | Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds2009-06-18
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (56 commits) sh: Fix declaration of __kernel_sigreturn and __kernel_rt_sigreturn sh: Enable soc-camera in ap325rxa/migor/se7724 defconfigs. sh: remove stray markers. sh: defconfig updates. sh: pci: Initial PCI-Express support for SH7786 Urquell board. sh: Generic HAVE_PERF_COUNTER support. SH: convert migor to soc-camera as platform-device SH: convert ap325rxa to soc-camera as platform-device soc-camera: unify i2c camera device platform data sh: add platform data for r8a66597-hcd in setup-sh7723 sh: add platform data for r8a66597-hcd in setup-sh7366 sh: x3proto: add platform data for r8a66597-hcd sh: highlander: add platform data for r8a66597-hcd sh: sh7785lcr: add platform data for r8a66597-hcd sh: turn off irqs when disabling CMT/TMU timers sh: use kzalloc() for cpg clocks sh: unbreak WARN_ON() sh: Use generic atomic64_t implementation. sh: Revised clock function in highlander sh: Update r7780mp defconfig ...
| * | sh: Fix declaration of __kernel_sigreturn and __kernel_rt_sigreturnMatt Fleming2009-06-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GCC 4.5.0 complains about the declaration of variables __kernel_sigreturn and __kernel_rt_sigreturn because they have type void. Correctly declare these symbols as functions to fix the following error, arch/sh/kernel/signal_32.c: In function 'setup_frame': arch/sh/kernel/signal_32.c:368:14: error: taking address of expression of type 'void' arch/sh/kernel/signal_32.c: In function 'setup_rt_frame': arch/sh/kernel/signal_32.c:452:14: error: taking address of expression of type 'void' make[1]: *** [arch/sh/kernel/signal_32.o] Error 1 make: *** [arch/sh/kernel] Error 2 Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Enable soc-camera in ap325rxa/migor/se7724 defconfigs.Paul Mundt2009-06-18
| | | | | | | | | | | | | | | | | | | | | The MEDIA_SUPPORT option disabled soc-camera support, so re-enable it for the impacted defconfigs. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: remove stray markers.Christoph Hellwig2009-06-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | arch/sh has a couple of stray markers without any users introduced in commit 3d58695edbfac785161bf282dc11fd42a483d6c9. Remove them in preparation of removing the markers in favour of the TRACE_EVENT macro (and also because we don't keep dead code around). Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: defconfig updates.Paul Mundt2009-06-18
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: pci: Initial PCI-Express support for SH7786 Urquell board.Paul Mundt2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds initial support for the PCI-Express module in the SH7786, particularly as it relates to the urquell platform. Presently it is only supported in root complex mode, with endpoint mode still requiring more debugging. 29/32-bit mode and lane configurations are selectable via board mode pins, and are otherwise fixed. Only 4x and 1x PCI channels are presently handled, the PCI bridge still requires additional debugging and stabilization in hardware. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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| *-----. \ Merge branches 'sh/pci-express-integration', 'sh/rsk-updates', ↵Paul Mundt2009-06-17
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | 'sh/platform-updates' and 'sh/perf_counter'
| | | | | * | sh: Generic HAVE_PERF_COUNTER support.Paul Mundt2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This enables support for the generic software-based perf counters. Hardware counter support could be added in the future, but the lack of a performance counter IRQ makes this rather dubious. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | | | | * | sh: Use generic atomic64_t implementation.Paul Mundt2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | | | * | | SH: convert migor to soc-camera as platform-deviceGuennadi Liakhovetski2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | | | * | | SH: convert ap325rxa to soc-camera as platform-deviceGuennadi Liakhovetski2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | | | * | | soc-camera: unify i2c camera device platform dataGuennadi Liakhovetski2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unify i2c camera device platform data to point to struct soc_camera_link for a smooth transition to soc-camera as a platform driver. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | | | * | | sh: add platform data for r8a66597-hcd in setup-sh7723Yoshihiro Shimoda2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | and remove redundant parameter for r8a66597-hcd. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | | | * | | sh: add platform data for r8a66597-hcd in setup-sh7366Yoshihiro Shimoda2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | and remove redundant parameter for r8a66597-hcd. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | | | * | | sh: x3proto: add platform data for r8a66597-hcdYoshihiro Shimoda2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | and remove redundant parameter for r8a66597-hcd. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | | | * | | sh: highlander: add platform data for r8a66597-hcdYoshihiro Shimoda2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | and remove redundant parameter for r8a66597-hcd. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | | | * | | sh: sh7785lcr: add platform data for r8a66597-hcdYoshihiro Shimoda2009-06-17
| | | | | |/ | | | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | and remove redundant parameter for r8a66597-hcd. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | | * | | sh: smsc911x support for the rsk7203 boardMagnus Damm2009-06-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for the LAN9118 ethernet on rsk7203. The LAN9118 controller is hooked up using a 16-bit data bus, but the rsk7203 board does not swap the byte lanes as needed between the sh7203 processor and the the ethernet controller. In the processor the CS memory window is configured in 16-bit mode but the smsc911x driver is told to do 32-bit accesses to improve performance. The SMSC911X_SWAP_FIFO flag is used to tell the driver to do software byte swapping of fifo data. Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Steve Glendinning <steve.glendinning@smsc.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | * | | | sh: pci: SH7786 PCI ops.Paul Mundt2009-06-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds in preliminary support for the SH7786 PCIe module PCI ops, and the corresponding module definitions. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | | | | sh: turn off irqs when disabling CMT/TMU timersMagnus Damm2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Modify the CMT and TMU drivers to disable interrupts when disabling the timer. Only using start/stop bits is not enough. This fixes a bootup hang on Migo-R when the CMT is replaced by TMU for clockevents but the CMT keeps on delivering irqs even though the timer start bit is off. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | | | | sh: use kzalloc() for cpg clocksMagnus Damm2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert the shared clock cpg code from bootmem to slab. Without this patch the current bootmem code triggers WARN_ON() because the slab is available. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | | | | sh: unbreak WARN_ON()Magnus Damm2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix WARN_ON() by modifying the bug trap handling code to always return in the in-kernel instruction pointer case. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | | | | sh: Revised clock function in highlanderNobuhiro Iwamatsu2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clock function was changed, but highlander used old function. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | | | | sh: Update r7780mp defconfigNobuhiro Iwamatsu2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | | | | sh: Add support mtd mapping for highlanderNobuhiro Iwamatsu2009-06-16
| |/ / / / | | | | | | | | | | | | | | | | | | | | Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | | | sh: pci: Allow register_pci_controller() to handle overlapping regions.Paul Mundt2009-06-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some host controllers (such as SH7786) have overlapping regions that are fixed in hardware. The resource allocator does the right thing in managing this space already, so the conflict case is non-fatal. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | | | sh: Set EARLY_SCIF_CONSOLE_PORT sanely for SH7786.Paul Mundt2009-06-15
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | | | sh: urquell: Add system FPGA mode pin support.Paul Mundt2009-06-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Urquell has a system FPGA capable of reading the mode pin states from software, wire this up in the machvec. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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