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If none of the elements in scrubrates[] matches, this loop will cause
__amd64_set_scrub_rate() to incorrectly use the n+1th element.
As the function is designed to use the final scrubrates[] element in the
case of no match, we can fix this bug by simply terminating the array
search at the n-1th element.
Boris: this code is fragile anyway, see here why:
http://marc.info/?l=linux-kernel&m=135102834131236&w=2
It will be rewritten more robustly soonish.
Reported-by: Denis Kirjanov <kirjanov@gmail.com>
Cc: stable@vger.kernel.org
Cc: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
list_move_tail(&schan->queued, &schan->active) makes the list_empty(schan->queued)
undefined, we either should change it to:
list_move_tail(schan->queued.next, &schan->active)
or
list_move_tail(&sdesc->node, &schan->active)
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
either DEV_TO_MEM or MEM_TO_DEV is supported, so change
OR to AND.
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This patch adds the support for 4 new PCI boards based on the SJA1000 CAN
controller, from PEAK-System Technik:
. PCAN-miniPCIe (PCI-Express Mini slots, available as single or dual-channel)
. PCAN-cPCI (CompactPCI format, available as single or dual-channel)
. PCAN-PC/104-Plus (PC/104-Plus system, av. as 1, 2 or 4 channels)
. PCAN-PCI/104-Express (PCI/104-Express system, av. as 1 or 2 channels)
This patch also fixes a typo in existing "PEAK_MPCI_DEVICE_ID" identifier
(missing "e" for Express). Finally, it also changes the author as well as it
updates the module supported devices list.
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Add the missing unlock on the error handling path in function
imxdma_xfer_desc().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
flush_work_sync and flush_work are now the same and flush_work_sync
has been deprecated. This fixes the following warning:
drivers/usb/core/hub.c: In function hub_quiesce:
drivers/usb/core/hub.c:1216:3: warning: flush_work_sync is deprecated (declared at include/linux/workqueue.h:448) [-Wdeprecated-declarations]
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Hi Greg,
Here's four bug fixes for 3.7.
The first patch fixes a potential deadlock in the USB port power off code,
and the last two patches fix bugs in the USB 3.0 Link PM patchset. The
second one is trivial and removes an unnecessary cast.
Sarah Sharp
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Merge tag 'for-usb-linus-2012-10-23' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus
xHCI fixes for 3.7-rc3
Hi Greg,
Here's four bug fixes for 3.7.
The first patch fixes a potential deadlock in the USB port power off code,
and the last two patches fix bugs in the USB 3.0 Link PM patchset. The
second one is trivial and removes an unnecessary cast.
Sarah Sharp
Here's a new set of fixes for v3.7-rc3. It's quite small, only
four patches.
There's one bug fix for the newly added musb-dsps glue layer where
we could be overflowing a buffer when creating the instance name.
NET2272 got a fix for a case where the lock would be left held
when exiting the IRQ handler with error in case of Spurious IRQs.
Renensas USBHS got a DMA stall fix which would cause transfers to
stall forever and a NULL pointer deref fix in case of pipe detach.
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Merge tag 'fixes-for-v3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
usb: fixes for v3.7-rc3
Here's a new set of fixes for v3.7-rc3. It's quite small, only
four patches.
There's one bug fix for the newly added musb-dsps glue layer where
we could be overflowing a buffer when creating the instance name.
NET2272 got a fix for a case where the lock would be left held
when exiting the IRQ handler with error in case of Spurious IRQs.
Renensas USBHS got a DMA stall fix which would cause transfers to
stall forever and a NULL pointer deref fix in case of pipe detach.
* Fix mysterious SIGSEGV or SIGKILL in applications due to corrupting
of the %eip when returning from a signal handler.
* Fix various ARM compile issues after the merge fallout.
* Continue on making more of the Xen generic code usable by ARM platform.
* Fix SR-IOV passthrough to mirror multifunction PCI devices.
* Fix various compile warnings.
* Remove hypercalls that don't exist anymore.
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Merge tag 'stable/for-linus-3.7-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull xen bug-fixes from Konrad Rzeszutek Wilk:
- Fix mysterious SIGSEGV or SIGKILL in applications due to corrupting
of the %eip when returning from a signal handler.
- Fix various ARM compile issues after the merge fallout.
- Continue on making more of the Xen generic code usable by ARM
platform.
- Fix SR-IOV passthrough to mirror multifunction PCI devices.
- Fix various compile warnings.
- Remove hypercalls that don't exist anymore.
* tag 'stable/for-linus-3.7-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen: dbgp: Fix warning when CONFIG_PCI is not enabled.
xen: arm: comment on why 64-bit xen_pfn_t is safe even on 32 bit
xen: balloon: use correct type for frame_list
xen/x86: don't corrupt %eip when returning from a signal handler
xen: arm: make p2m operations NOPs
xen: balloon: don't include e820.h
xen: grant: use xen_pfn_t type for frame_list.
xen: events: pirq_check_eoi_map is X86 specific
xen: XENMEM_translate_gpfn_list was remove ages ago and is unused.
xen: sysfs: fix build warning.
xen: sysfs: include err.h for PTR_ERR etc
xen: xenbus: quirk uses x86 specific cpuid
xen PV passthru: assign SR-IOV virtual functions to separate virtual slots
xen/xenbus: Fix compile warning.
xen/x86: remove duplicated include from enlighten.c
Pull s390 fixes from Martin Schwidefsky:
"Among the usual minor bug fixes the more interesting patches are the
perf counters for the latest machine, the missing select to enable
transparent huge pages and a build fix for the UAPI rework."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390,uapi: do not use uapi/asm-generic/kvm_para.h
s390/cache: fix data/instruction cache output
s390: fix linker script for 31 bit builds
s390/thp: select HAVE_ARCH_TRANSPARENT_HUGEPAGE
s390/kdump: Use 64 bit mode for 0x10000 entry point
perf_cpum_cf: Add support for counters available with IBM zEC12
s390/css: stop stsch loop after cc 3
s390/cio: use generic bitmap functions
s390/chpid: make headers usable (again)
xhci_service_interval_to_ns() returns long long
to avoid an overflow. However, the type cast happens
too late. The fix is to force ULL from the beginning.
This patch should be backported to kernels as old as 3.5, that contain
the commit e3567d2c15a7a8e2f992a5f7c7683453ca406d82 "xhci: Add Intel
U1/U2 timeout policy."
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
CC: stable@vger.kernel.org
An le16 is accessed without conversion.
This patch should be backported to kernels as old as 3.5, that contain
the commit e3567d2c15a7a8e2f992a5f7c7683453ca406d82 "xhci: Add Intel
U1/U2 timeout policy."
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
CC: stable@vger.kernel.org
This patch adds some Flexcan version info and removes the feature flag
FLEXCAN_HAS_BROKEN_ERR_STATE for the i.MX6Q. It also has the line [TR]WRN_INT
properly connected.
Cc: Hui Wang <jason77.wang@gmail.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
[mkl: convert to incremental patch]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Fixed the resource cleanup to act correctly and prevent a kernel oops when
mlx4_QUERY_ADAPTER() fails.
Signed-off-by: Dotan Barak <dotanb@dev.mellanox.co.il>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
These debug prints left behind by commits c82e9aa0a8bc ("mlx4_core:
resource tracking for HCA resources used by guests"), 54679e148287
("mlx4: Implement QP paravirtualization and maintain phys_pkey_cache
for smp_snoop") and 993c401e2079 ("mlx4_core: Add IB port-state
machine and port mgmt event propagation") make it pretty hard to
actually use the mlx4_core debug messages when running in SRIOV/IB
mode -- for example, the module load sequence of a device with one VF
yielded 631 debug prints, with 408 of them being from this set. Let's
just remove them.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Only NI uses 3dw headers, SI uses 4dw headers.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
It's better to handle this in the chipset specific code.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Handle requests that won't fit into a single packet.
v2: pe needs to increase as well.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Handle requests that won't fit into a single packet.
v2: pe needs to increase as well.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Otherwise the next IB might start reading commands
with the page table still invalid.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Originally sent by Ulf as two changes, squashed down into one with a
redone changelog, thanks to Russell King for analysis. -- broonie]
This reverts commit 688723 (spi/pl022: enable runtime PM) and commit
2fb30d (spi/pl022: fix spi-pl022 pm enable at probe).
Commit "spi/pl022: enable runtime PM" introduced runtime PM issues as it
interacted badly with the work Russell King had done to move core
runtime PM handling into the bus. Due to that commit, "spi/pl022: fix
spi-pl022 pm enable at probe" was merged to fix part of those issues.
Instead of adding another fix, let's clean up and revert everything
back to when it was already fine.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Revert "spi/pl022: enable runtime PM"
Conflicts:
drivers/spi/spi-pl022.c
Kconfig lists CMA_SIZE_SEL_ABSOLUTE as the default value fo the CMA
selected region size, but that option isn't available in the defined
choices. Set the default to CMA_SIZE_SEL_MBYTES instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
The function documentation incorrectly references dma_release_coherent.
Fix it. Don't mention a specific function name as dma_mmap_from_coherent
as multiple callers.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Use the definition from linux/sizes.h instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
When creating the simple irqdomain, pass the DT node pointer along,
as is apropriate.
Acked-by: Lee Jones <lee.jones@linaro.org>
Reported-by: Gabriel Fernandez <gabriel.fernandez@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The irqdomain semantics were supposed to be such that a linear
domain would be used if the passed first_irq was zero or
negative, but I got it wrong so only passing zero as first_irq
will work properly. Well, zero is NO_IRQ these days so let's
pass zero. The semantics of irqdomain_add_simple() will be
fixed in a separate patch.
Acked-by: Lee Jones <lee.jones@linaro.org>
Reported-by: Rikard Olsson <rikard.p.olsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add the missing unlock on the error handle path in function
pinctrl_groups_show().
Cc: stable@kernel.org
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since in the DT case, the linear domain path will not allocate
descriptors for the IRQs, we need to use irq_create_mapping()
for mapping hwirqs to Linux IRQs, so these descriptors get
created on-the-fly in this case.
ChangeLog v1->v2:
- Just use irq_create_mapping() in the .to_irq function since
this is called before unmasking or enabling any interrupt
lines, so irq_find_mapping() should be sufficient for the
IRQ handler function.
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There are some scnearios where a driver/framework needs to register
interest for a particular cable without specifying the extcon device
name. One such scenario is charger notifications. The platform will
have charger cabel which will be bound to any extcon device. It's
not mandatory for the charger driver to know which extcon device
it should use. This patch enables the support for registering
interest for a cable just by cable name wihtout specifying the
extcon device name
Signed-off-by: Jenny TC <jenny.tc@intel.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
--
Kernel-doc comment added by MyungJoo Ham
Extcon core doesn't free the memory when we do unregister.
Kfree is added in the remove path as it was missing.
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
There was a case where free and list_del can be called twice
on the same pointer.So fixed it by re-arranging the code and
removing a function which was not needed.
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
This patch add platform data for MUIC device to initialize register
on probe() call because it should unmask interrupt mask register
and initialize some register related to MUIC device.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This driver can be built as a module, add MODULE_LICENSE for it.
For completeness, also adds MODULE_AUTHOR and MODULE_DESCRIPTION.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
On failure, request_any_context_irq() returns a negative value.
On success, it returns either IRQC_IS_HARDIRQ or IRQC_IS_NESTED.
Also ensure adc_jack_probe() return 0 on success.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Propagate the value returned from extcon_find_cable_index()
instead of -ENODEV. For readability, -EINVAL is returned in place of
the variable.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Since extcon registers this compat link at device registration
(extcon_dev_register), we should probably remove them at deregistration/cleanup.
Cc: stable@vger.kernel.org
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
renesas_usbhs driver can switch DMA/PIO transfer by using handler,
and each handler have push/pop direction.
But unfortunately, current dma push handler didn't a path
which calls usbhs_pipe_enable(). Thus, dma transfer never happened.
this patch fixes it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
If renesas_usbhs or DMAEngine interrupt didn't happen by a certain cause,
urb->ep will be NULL by usb time out.
Then, host mode will access to it and crash kernel.
This patch fixes it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Add the missing unlock on the error handle path in function
net2272_irq().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The res_name is used for the name construction of a DT property as
follows:
sprintf(res_name, "port%d-mode", id);
Hence, res_name must be at least 11 characters long in order to store
the name including the terminating '\0'.
While at it, use to snprintf() rather than sprintf() when accessing this
buffer.
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Currently, when FIFO_ERR happens, we stop the dma, wait for it to become
idle and then reset the whole MAC_RX logic (and after that we must re-set
multicast addresses and also re-enable MAC_RX when we're finally ready to
accept new packets). This leads to CRC errors on high number of incoming
packets and is not needed according to the datasheet.
This patch fixes it by the following steps:
1) remove this reset in pch_gbe_stop_receive(), which causes some functions
to not be used anywhere
2) remove already unused functions pch_gbe_wait_clr_bit_irq() and
pch_gbe_mac_reset_rx() to correctly build
3) move pch_gbe_enable_mac_rx() out of pch_gbe_start_receive() to
pch_gbe_up() where it's only needed after we've removed the MAC_RX reset
4) rename pch_gbe_start/stop_receive() to pch_gbe_enable/disable_dma_rx()
to more precisely reflect what the functions are now doing.
After these changes we already don't see the CRC errors and gain some
increase in RX processing speed.
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If we were in RX_FIFO_ERR state and entered pch_gbe_napi_poll(), we'll
anyway clean some rx space and thus can continue to receive more packets.
Currently, we re-set the RX_FIFO_ERR in situations when we've exhausted our
budget for RX cleaning or cleaned some TX packets. Removing it gives us
+20%-40% speed increase and a lot less of RX_FIFO_ERRors reported.
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
