- 24 Dec, 2010 8 commits
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Feng Tang authored
Signed-off-by:
Feng Tang <feng.tang@intel.com> Signed-off-by:
Grant Likely <grant.likely@secretlab.ca>
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Feng Tang authored
The SPI polling loop timeout only works with HZ=100 as the loop was actually too short. Also add appropriate cpu_relax() in the busy wait loops... Signed-off-by:
Arjan van de Ven <arjan@linux.intel.com> Signed-off-by:
Alan Cox <alan@linux.intel.com> Signed-off-by:
Feng Tang <feng.tang@intel.com> Signed-off-by:
Grant Likely <grant.likely@secretlab.ca>
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Linus Walleij authored
This variable is a bool but defined an int and defined completely backwards. This makes the code more readable. Signed-off-by:
Linus Walleij <linus.walleij@stericsson.com> Signed-off-by:
Grant Likely <grant.likely@secretlab.ca>
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Linus Walleij authored
Signed-off-by:
Linus Walleij <linus.walleij@stericsson.com> Signed-off-by:
Grant Likely <grant.likely@secretlab.ca>
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Linus Walleij authored
The sglen return by the dma_map_sg() should be passed to the DMA engine, not the one passed in. If we one day have a DMA mapper that can coalesce entries, this will bug due to a too large number of entries being passed in. Reported-by:
Russell King <linux@arm.linux.org.uk> Signed-off-by:
Linus Walleij <linus.walleij@stericsson.com> Signed-off-by:
Grant Likely <grant.likely@secretlab.ca>
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Linus Walleij authored
The struct device for the DMA engine is the apropriate one to use when mapping/unmapping buffers. This is because the memory which is addressable by DMA is determined by the DMA engine rather than the device. Reported-by:
Russell King <linux@arm.linux.org.uk> Signed-off-by:
Linus Walleij <linus.walleij@stericsson.com> Signed-off-by:
Grant Likely <grant.likely@secretlab.ca>
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Tomoya MORINAGA authored
It seems spi_topcliff_pch of linux-2.6.37-rc6 degraded by previous patch. In fact, data transfer fails on evaluation board testing. I found like the following register miss-setting line. Using this patch, I have confirmed data transfer can work well. Signed-off-by:
Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by:
Grant Likely <grant.likely@secretlab.ca>
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Uwe Kleine-König authored
There are no machines in-tree that still use the driver name as device name. So save a few bytes and remove it. Signed-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by:
Jason Wang <jason77.wang@gmail.com> Signed-off-by:
Grant Likely <grant.likely@secretlab.ca>
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- 22 Dec, 2010 1 commit
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Grant Likely authored
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- 21 Dec, 2010 5 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6Linus Torvalds authored
* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: n_gsm: gsm_data_alloc buffer allocation could fail and it is not being checked n_gsm: Fix message length handling when building header
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds authored
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: Revert "USB: gadget: Allow function access to device ID data during bind()" USB: misc: uss720.c: add another vendor/product ID USB: usb-storage: unusual_devs entry for the Samsung YP-CP3 USB: gadget: Remove suspended sysfs file before freeing cdev USB: core: Add input prompt and help text for USB_OTG config USB: ftdi_sio: Add D.O.Tec PID xhci: Fix issue with port array setup and buggy hosts.
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: handle partial result from get_user_pages ceph: mark user pages dirty on direct-io reads ceph: fix null pointer dereference in ceph_init_dentry for nfs reexport ceph: fix direct-io on non-page-aligned buffers ceph: fix msgr_init error path
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Linus Torvalds authored
.. caused by a missing semi-colon, introduced in commit 0fc13c89 ("cciss: fix cciss_revalidate panic"). Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Reported-by:
Thiago Farina <tfransosi@gmail.com> Cc: Jens Axboe <jaxboe@fusionio.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 20 Dec, 2010 9 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6Linus Torvalds authored
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: [media] gspca - sonixj: Better handling of the bridge registers 0x01 and 0x17 [media] gspca - sonixj: Add the bit definitions of the bridge reg 0x01 and 0x17 [media] gspca - sonixj: Set the flag for some devices [media] gspca - sonixj: Add a flag in the driver_info table [media] gspca - sonixj: Fix a bad probe exchange [media] gspca - sonixj: Move bridge init to sd start [media] bttv: remove unneeded locking comments [media] bttv: fix mutex use before init (BZ#24602) [media] Don't export format_by_forcc on two different drivers
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Linus Torvalds authored
Merge branch 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: ARM: mach-shmobile: INTC interrupt priority level demux fix ARM: mach-shmobile: fix compile warning in mm/init.c
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds authored
* 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: clocksource: sh_cmt: Remove nested spinlock fix
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Linus Torvalds authored
Merge branch 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6 * 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6: OMAP: OMAPFB: disable old omapfb for OMAP4 builds OMAP: DSS: VRAM: Align start & size of vram to 2M
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Linus Torvalds authored
Merge branch 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung * 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: S5PV210: update MAX8998 platform data to get rid of WARN() ARM S3C24XX: Fix compilation of PM code for S3C2416 ARM: S3C24XX: Fix CONFIG_S3C_DEV_NAND Kconfig entry
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git://git.kernel.dk/linux-2.6-blockLinus Torvalds authored
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: cciss: fix cciss_revalidate panic block: max hardware sectors limit wrapper block: Deprecate QUEUE_FLAG_CLUSTER and use queue_limits instead blk-throttle: Correct the placement of smp_rmb() blk-throttle: Trim/adjust slice_end once a bio has been dispatched block: check for proper length of iov entries earlier in blk_rq_map_user_iov() drbd: fix for spin_lock_irqsave in endio callback drbd: don't recvmsg with zero length
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Al Viro authored
Buggered-in: 76dda93c ("Btrfs: add snapshot/subvolume destroy ioctl") Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Acked-by:
Chris Mason <chris.mason@oracle.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Nicolas Pitre authored
The cnt32_to_63 algorithm relies on proper counter data evaluation ordering to work properly. This was missing from the provided documentation. Let's augment the documentation with the missing usage constraint and fix the only instance that got it wrong. Signed-off-by:
Nicolas Pitre <nico@fluxnic.net> Acked-by:
David Howells <dhowells@redhat.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: Remove debugging check
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- 19 Dec, 2010 3 commits
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Ingo Molnar authored
Linus reported that the new warning introduced by commit f26f9aff "Sched: fix skip_clock_update optimization" triggers. The need_resched flag can be set by other CPUs asynchronously so this debug check is bogus - remove it. Reported-by:
Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> LKML-Reference: <AANLkTinJ8hAG1TpyC+CSYPR47p48+1=E7fiC45hMXT_1@mail.gmail.com> Signed-off-by:
Ingo Molnar <mingo@elte.hu>
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Linus Torvalds authored
Merge branches 'x86-fixes-for-linus' and 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86-32: Make sure we can map all of lowmem if we need to x86, vt-d: Handle previous faults after enabling fault handling x86: Enable the intr-remap fault handling after local APIC setup x86, vt-d: Fix the vt-d fault handling irq migration in the x2apic mode x86, vt-d: Quirk for masking vtd spec errors to platform error handling logic x86, xsave: Use alloc_bootmem_align() instead of alloc_bootmem() bootmem: Add alloc_bootmem_align() x86, gcc-4.6: Use gcc -m options when building vdso x86: HPET: Chose a paranoid safe value for the ETIME check x86: io_apic: Avoid unused variable warning when CONFIG_GENERIC_PENDING_IRQ=n * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf: Fix off by one in perf_swevent_init() perf: Fix duplicate events with multiple-pmu vs software events ftrace: Have recordmcount honor endianness in fn_ELF_R_INFO scripts/tags.sh: Add magic for trace-events tracing: Fix panic when lseek() called on "trace" opened for writing
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Linus Torvalds authored
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: Fix the irqtime code for 32bit sched: Fix the irqtime code to deal with u64 wraps nohz: Fix get_next_timer_interrupt() vs cpu hotplug Sched: fix skip_clock_update optimization sched: Cure more NO_HZ load average woes
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- 18 Dec, 2010 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: arch/tile: handle rt_sigreturn() more cleanly arch/tile: handle CLONE_SETTLS in copy_thread(), not user space
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git://git.linux-mips.org/pub/scm/upstream-linusLinus Torvalds authored
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: MIPS: Fix build errors in sc-mips.c
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: x86: avoid high BIOS area when allocating address space x86: avoid E820 regions when allocating address space x86: avoid low BIOS area when allocating address space resources: add arch hook for preventing allocation in reserved areas Revert "resources: support allocating space within a region from the top down" Revert "PCI: allocate bus resources from the top down" Revert "x86/PCI: allocate space from the end of a region, not the beginning" Revert "x86: allocate space within a region top-down" Revert "PCI: fix pci_bus_alloc_resource() hang, prefer positive decode" PCI: Update MCP55 quirk to not affect non HyperTransport variants
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- 17 Dec, 2010 11 commits
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Chris Metcalf authored
The current tile rt_sigreturn() syscall pattern uses the common idiom of loading up pt_regs with all the saved registers from the time of the signal, then anticipating the fact that we will clobber the ABI "return value" register (r0) as we return from the syscall by setting the rt_sigreturn return value to whatever random value was in the pt_regs for r0. However, this breaks in our 64-bit kernel when running "compat" tasks, since we always sign-extend the "return value" register to properly handle returned pointers that are in the upper 2GB of the 32-bit compat address space. Doing this to the sigreturn path then causes occasional random corruption of the 64-bit r0 register. Instead, we stop doing the crazy "load the return-value register" hack in sigreturn. We already have some sigreturn-specific assembly code that we use to pass the pt_regs pointer to C code. We extend that code to also set the link register to point to a spot a few instructions after the usual syscall return address so we don't clobber the saved r0. Now it no longer matters what the rt_sigreturn syscall returns, and the pt_regs structure can be cleanly and completely reloaded. Signed-off-by:
Chris Metcalf <cmetcalf@tilera.com>
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Chris Metcalf authored
Previously we were just setting up the "tp" register in the new task as started by clone() in libc. However, this is not quite right, since in principle a signal might be delivered to the new task before it had its TLS set up. (Of course, this race window still exists for resetting the libc getpid() cached value in the new task, in principle. But in any case, we are now doing this exactly the way all other architectures do it.) This change is important for 2.6.37 since the tile glibc we will be submitting upstream will not set TLS in user space any more, so it will only work on a kernel that has this fix. It should also be taken for 2.6.36.x in the stable tree if possible. Signed-off-by:
Chris Metcalf <cmetcalf@tilera.com> Cc: stable <stable@kernel.org>
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Jean-Francois Moine authored
The initial values of the registers 0x01 and 0x17 are taken from the sensor table at capture start and updated according to the flag PDN_INV. Their values are updated at each step of the capture initialization and memorized for reuse in capture stop. This patch also fixed automatically some bad hardcoded values of these registers. Signed-off-by:
Jean-François Moine <moinejf@free.fr> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Jean-Francois Moine authored
Signed-off-by:
Jean-François Moine <moinejf@free.fr> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Jean-Francois Moine authored
The flag PDN_INV indicates that the sensor pin S_PWR_DN has not the same value as other webcams with the same sensor. For now, only two webcams have been so detected: the Microsoft's VX1000 and VX3000. Signed-off-by:
Jean-François Moine <moinejf@free.fr> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Jean-Francois Moine authored
Signed-off-by:
Jean-François Moine <moinejf@free.fr> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Jean-Francois Moine authored
Signed-off-by:
Jean-François Moine <moinejf@free.fr> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Jean-Francois Moine authored
Signed-off-by:
Jean-François Moine <moinejf@free.fr> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Brandon Philips authored
After Mauro's "bttv: Fix locking issues due to BKL removal code" there are a number of comments that are no longer needed about lock ordering. Remove them. Signed-off-by:
Brandon Philips <bphilips@suse.de> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Mauro Carvalho Chehab authored
Fix a regression where bttv driver causes oopses when loading, since it were using some non-initialized mutexes. While it would be possible to fix the issue, there are some other lock troubles, like to the presence of lock code at free_btres_lock(). It is possible to fix, but the better is to just use the core-assisted locking schema. This way, V4L2 core will serialize access to all ioctl's/open/close/mmap/read/poll operations, avoiding to have two processes accessing the hardware at the same time. Also, as there's just one lock, instead of 3, there's no risk of dead locks. The net result is a cleaner code, with just one lock. Reported-by:
Dan Carpenter <error27@gmail.com> Reported-by: Brandon Philips<brandon@ifup.org> Reported-by:
Chris Clayton <chris2553@googlemail.com> Reported-by:
Torsten Kaiser <just.for.lkml@googlemail.com> Tested-by:
Chris Clayton <chris2553@googlemail.com> Tested-by:
Torsten Kaiser <just.for.lkml@googlemail.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Kevin Cernekee authored
Seen with malta_defconfig on Linus' tree: CC arch/mips/mm/sc-mips.o arch/mips/mm/sc-mips.c: In function 'mips_sc_is_activated': arch/mips/mm/sc-mips.c:77: error: 'config2' undeclared (first use in this function) arch/mips/mm/sc-mips.c:77: error: (Each undeclared identifier is reported only once arch/mips/mm/sc-mips.c:77: error: for each function it appears in.) arch/mips/mm/sc-mips.c:81: error: 'tmp' undeclared (first use in this function) make[2]: *** [arch/mips/mm/sc-mips.o] Error 1 make[1]: *** [arch/mips/mm] Error 2 make: *** [arch/mips] Error 2 [Ralf: Cosmetic changes to minimize the number of arguments passed to mips_sc_is_activated] Signed-off-by:
Kevin Cernekee <cernekee@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/1752/Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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