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2010-06-02usb: r8a66597-hcd pio to mmio accessor conversion.Paul Mundt2-15/+15
r8a66597-hcd is erroneously using PIO routines on MMIO registers, which presently blows up for any platform that elects to either override or do away with PIO routines. This managed to work for the common cases since the PIO routines were simply wrapped to their MMIO counterparts. This switches over to using the MMIO routines directly, and enables us to kill off a lot of superfluous casting in the process. Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-06-02usb: gadget: r8a66597-udc pio to mmio accessor conversion.Paul Mundt2-14/+14
r8a66597-udc is erroneously using PIO routines on MMIO registers, which presently blows up for any platform that elects to either override or do away with PIO routines. This managed to work for the common cases since the PIO routines were simply wrapped to their MMIO counterparts. This switches over to using the MMIO routines directly, and enables us to kill off a lot of superfluous casting in the process. Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-06-02usb: gadget: m66592-udc pio to mmio accessor conversion.Paul Mundt1-11/+11
m66592-udc is erroneously using PIO routines on MMIO registers, which presently blows up for any platform that elects to either override or do away with PIO routines. This managed to work for the common cases since the PIO routines were simply wrapped to their MMIO counterparts. This switches over to using the MMIO routines directly, and enables us to kill off a lot of superfluous casting in the process. Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-05-25input: serio: disable i8042 for non-cayman sh platforms.Paul Mundt1-1/+2
The sh64 cayman platform is the only sh board that ships with an i8042, so we just hide it for all of the others. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-05-25sh: handle early calls to return_address() when using dwarf unwinder.Paul Mundt2-2/+19
The dwarf unwinder ties in to an early initcall, but it's possible that return_address() calls will be made prior to that. This implements some additional error handling in to the dwarf unwinder as well as an exit path in the return_address() case to bail out if the unwinder hasn't come up yet. This fixes a NULL pointer deref in early boot when mempool_alloc() blows up on the not-yet-ready mempool via dwarf_unwind_stack(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-05-25fbdev: fix erroneous index in drivers/video/sh_mobile_lcdcfb.cGuennadi Liakhovetski1-3/+3
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-05-25serial: sh-sci: fix up serial DMA build.Paul Mundt1-3/+1
asm/dmaengine.h no longer exists, update for the shared linux/sh_dma.h header. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-05-24Revert "ath9k: Group Key fix for VAPs"Linus Torvalds3-27/+3
This reverts commit 03ceedea972a82d343fa5c2528b3952fa9e615d5, since it breaks resume from suspend-to-ram on Rafael's Acer Ferrari One. NetworkManager thinks everything is ok, but it can't connect to the AP to get an IP address after the resume. In fact, it even breaks resume for non-ath9k chipsets: reverting it also fixes Rafael's Toshiba Protege R500 with the iwlagn driver. As Johannes says: "Indeed, this patch needs to be reverted. That mac80211 change is wrong and completely unnecessary." Reported-and-requested-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Johannes Berg <johannes@sipsolutions.net> Cc: Daniel Yingqiang Ma <yma.cool@gmail.com> Cc: John W. Linville <linville@tuxdriver.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-24Documentation: update SubmitChecklist for O=objdir and kconfig testingRandy Dunlap1-0/+12
Add build testing using 'O=builddir'. Add build testing with various kconfig symbols disabled, listing common ones that are known to cause build problems. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-24fusion: fix kernel-doc notationBen Hutchings1-4/+2
The function name must be followed by a space, hypen, space, and a short description. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Eric Moore <Eric.Moore@lsi.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-24scsi_scan.c: fix/convert functions to use kernel-docRandy Dunlap1-17/+9
scsi_scan.c: fix incorrectly formatted kernel-doc notation & convert documentation of 2 functions into kernel-doc. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-24Documentation/vm: use better value for MAP_HUGETLBCarlo Marcelo Arenas Belon1-1/+1
documentation: slightly more correct value for MAP_HUGETLB in map_hugetlb.c still not correct for alpha, mips, parisc or xtensa but working out of the box in the most common architectures without having to deal with complicated macros or including architecture specific headers. Signed-off-by: Carlo Marcelo Arenas Belon <carenas@sajinet.com.pe> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-24Documentation/timers/hpet_example: drop duplicate header filesAndrea Gelmini1-2/+0
Documentation/timers/hpet_example.c: fcntl.h is included more than once. Documentation/timers/hpet_example.c: signal.h is included more than once. Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-24Documentation/development-process: add staging & mmotm infoRandy Dunlap1-6/+8
Update explanation of mmotm. Add explanation of drivers/staging/. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-24Documentation/development-process: add maintainers and git infoRandy Dunlap2-4/+13
Add info on maintainers and persistent posting. Update git home page. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-24docbook: make mtd nand module init staticH Hartley Sweeten1-1/+1
In the example the module_init function should be static. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-24timers: Fix slack calculation for expired timersJeff Chua1-3/+4
commit 3bbb9ec946 (timers: Introduce the concept of timer slack for legacy timers) does not take the case into account when the timer is already expired. This broke wireless drivers. The solution is not to apply slack to already expired timers. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Arjan van de Ven <arjan@linux.intel.com>
2010-05-24timekeeping: Fix timezone updateThomas Gleixner1-4/+4
commit 64ce4c2f (time: Clean up warp_clock()) breaks the timezone update in a very subtle way. To avoid the direct access to timekeeping internals it adds the timezone delta to the current time with timespec_add_safe(). This works nicely when the timezone delta is > 0. If timezone delta is < 0 then the wrap check in timespec_add_safe() triggers and timespec_add_safe() returns TIME_MAX and screws up timekeeping completely. The comment above timespec_add_safe() says: It's assumed that both values are valid (>= 0) Add the timezone seconds adjustment directly. Reported-by: Rafael J. Wysocki <rjw@sisk.pl> Tested-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: John Stultz <johnstul@us.ibm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-05-24sh: fix up sh7785lcr_32bit_defconfig.Paul Mundt1-109/+164
The build scripts inadvertently dropped this down to 29-bit, fix it back up. Reported-by: Raul Porcel <armin76@gentoo.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-05-24arch/sh/lib/strlen.S: Checkpatch cleanupAndrea Gelmini1-1/+1
arch/sh/lib/strlen.S:38: ERROR: trailing whitespace Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-05-22Blackfin: SMP: fix continuation linesJoe Perches1-2/+2
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: acvilon: fix timeout usage for I2CWolfram Sang1-1/+2
The timeout value is in jiffies, so it should be using HZ, not a plain number. As '10000' is ambiguous, 1HZ is used as conservative default. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Valentin Yakovenkov <yakovenkov@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: fix typo in BF537 IRQ commentMichael Hennerich1-1/+1
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: unify duplicate MEM_MT48LC32M8A2_75 kconfig optionsMike Frysinger1-6/+1
Reported-by: Christoph Egger <siccegge@cs.fau.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: set ARCH_KMALLOC_MINALIGNFUJITA Tomonori1-0/+2
Architectures that handle DMA-non-coherent memory need to set ARCH_KMALLOC_MINALIGN to make sure that kmalloc'ed buffer is DMA-safe: the buffer doesn't share a cache with the others. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: use atomic kmalloc in L1 alloc so it too can be atomicMike Frysinger1-1/+2
Some drivers allocate L1 SRAM in atomic contexts, so make sure these functions also use GFP_ATOMIC to avoid BUG()'s. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: another year of changes (update copyright in boot log)Mike Frysinger1-2/+2
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: optimize strncpy a bitRobin Getz2-13/+47
Add a little strncpy optimization which can easily cut boot time by 20%. When the kernel is booting with initramfs, it builds up the filesystem from a cpio archive by calling strncpy_from_user() via fs/namei.c's do_getname() on every file in the archive (which can be lots) with a length of PATH_MAX (1024). This causes the dest of the strncpy to be padded with many NUL bytes. This optimization mostly causes these NUL bytes to be padded with a call to memset() which is already optimized for filling memory quickly, but the hardware loop helps a little bit as well. Boot time measured with 'loglevel=0' so UART speed doesn't get in the way. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: isram: clean up ITEST_COMMAND macro and improve the selftestsMike Frysinger1-43/+51
The IADDR2DTEST() macro had some duplicated logic with bit 11 and some incorrect comments, so scrub all of that. In order to verify these aren't a problem (and won't be in the future), extend the self tests to operate on as much L1 SRAM as possible. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: move string functions to normal lib/ assemblyRobin Getz11-184/+226
Since 'extern inline' doesn't work correctly in the context of the Linux kernel (too many overriding defines), move the string functions to normal lib/ assembly files (like the existing mem funcs). This avoids the forced inline all over the kernel and allows us to place them constantly in L1. This also avoids some module failures when gcc inserts calls to string functions but the kernel build system doesn't fully consult the library archives. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: SIC: cut down on IAR MMR reads a bitMike Frysinger1-15/+18
Tweak the for loops that operate on the SIC IAR system MMRs to avoid re-reading them multiple times in a row. System MMRs are a little slower to access, so avoid the penalty when possible. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: bf537-minotaur: fix build errors due to header changesMike Frysinger1-1/+2
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: kgdb: pass up the CC register instead of a 0 stubMike Frysinger1-1/+1
While the CC pseudo register can be deduced from the ASTAT register, make sure we set its value correctly instead of always stubbing it out as 0. GDB itself looks at this pseudo register instead of ASTAT, so we have to supply the right value. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: handle HW errors in the new "FAULT" printing codeRobin Getz1-0/+9
Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: show the whole accumulator in the pseudo DBG insnRobin Getz1-6/+19
Rather than print just part of the accumulator register, show the whole 40 bits. This matches the simulator behavior better. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: support all possible registers in the pseudo instructionsRobin Getz1-6/+61
Rather than decoding just the common R/P registers, handle all of them. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: add support for the DBG (debug output) pseudo insnRobin Getz3-18/+71
Another pseudo insn used by Blackfin simulators. Also factor some now common register lookup code out of the DBGA handlers. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: change the BUG opcode to an unused 16-bit opcodeRobin Getz1-1/+6
The current BUG opcode includes the bit that flags the insn as a 32bit opcode, but it wasn't declaring it as 32bits. So pick an unused 16bit. URL: http://blackfin.uclinux.org/gf/tracker/5973 Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: allow NMI watchdog to be used w/RETN as a scratch regGraf Yang1-1/+1
NMIs are not safe to return from because many anomaly workarounds are implemented by disabling interrupts. The NMI obviously violates this assumption. Since the NMI watchdog never returns, we don't have to worry about it clobbering RETN when it is being used as a scratch register with the exception stack. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-22Blackfin: add support for the DBGA (debug assert) pseudo insnRobin Getz5-0/+115
A few pseudo debug insns exist to make testing of simulators easier. Since these don't actually exist in the hardware, we have to have the exception handler take care of emulating these. This allows sim test cases to be executed unmodified under Linux and thus simplify debugging greatly. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-05-229p: Optimize TCREATE by eliminating a redundant fid clone.Venkateswararao Jujjuri1-12/+6
This patch removes a redundant fid clone on the directory fid and hence reduces a server transaction while creating new filesystem object. Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2010-05-229p: cleanup: remove unneeded assignmentDan Carpenter1-2/+0
We never use "v9ses" and so we can remove it. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2010-05-229p: Add mksock supportVenkateswararao Jujjuri1-0/+2
Without this patch, an attempt to mksock will get an EINVAL. Before this patch: [root@localhost 1dir]# mksock mysock mksock: error making mysock: Invalid argument With this patch: [root@localhost 1dir]# mksock mysock [root@localhost 1dir]# ls -l mysock s--------- 1 root root 0 2010-03-31 17:44 mysock Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2010-05-22fs/9p: Make sure we properly instantiate dentry.Aneesh Kumar K.V1-3/+4
For lookup if we get ENOENT error from the server we still instantiate the dentry. We need to make sure we have dentry operations set in that case so that a later dput on the dentry does the expected. Without the patch we get the below error #ln -sf abc abclink ln: creating symbolic link `abclink': No such file or directory Now on the host do $ touch abclink Guest now gives ENOENT error. # ls ls: cannot access abclink: No such file or directory Debugged-by:Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2010-05-22uml: Pushdown the bkl from harddog_kern ioctlFrederic Weisbecker1-3/+15
Pushdown the bkl to harddog_ioctl. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: Uml <user-mode-linux-devel@lists.sourceforge.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Kacur <jkacur@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de>
2010-05-22sunrpc: Pushdown the bkl from sunrpc cache ioctlFrederic Weisbecker1-3/+10
Pushdown the bkl to cache_ioctl_pipefs. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: Nfs <linux-nfs@vger.kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Kacur <jkacur@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de>
2010-05-22sunrpc: Pushdown the bkl from ioctlFrederic Weisbecker1-3/+15
Pushdown the bkl to rpc_pipe_ioctl. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: Nfs <linux-nfs@vger.kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Kacur <jkacur@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de>
2010-05-22autofs4: Pushdown the bkl from ioctlFrederic Weisbecker1-4/+18
Pushdown the bkl to autofs4_root_ioctl. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ian Kent <raven@themaw.net> Cc: Autofs <autofs@linux.kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Kacur <jkacur@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de>
2010-05-22sh: fix up sh7786 dmaengine build.Paul Mundt1-1/+1
The asm/dmaengine.h header is gone now, update accordingly. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-05-22sh: guard cookie consistency across termination in the DMA driverGuennadi Liakhovetski1-0/+4
If all descriptors on a channel are terminated or the channel is released, update the completed cookie counter to match the last cookie. This prevents inconsistency warning on resumed DMA operation. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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