Don Zickus [Fri, 12 Aug 2011 17:54:51 +0000 (10:54 -0700)]
pstore: change mutex locking to spin_locks
pstore was using mutex locking to protect read/write access to the
backend plug-ins. This causes problems when pstore is executed in
an NMI context through panic() -> kmsg_dump().
This patch changes the mutex to a spin_lock_irqsave then also checks to
see if we are in an NMI context. If we are in an NMI and can't get the
lock, just print a message stating that and blow by the locking.
All this is probably a hack around the bigger locking problem but it
solves my current situation of trying to sleep in an NMI context.
Tested by loading the lkdtm module and executing a HARDLOCKUP which
will cause the machine to panic inside the nmi handler.
Signed-off-by: Don Zickus <dzickus@redhat.com> Acked-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Luck, Tony [Thu, 11 Aug 2011 22:14:39 +0000 (15:14 -0700)]
pstore: defer inserting OOPS entries into pstore
Life is simple for all the kernel terminating types of kmsg_dump
call backs - pstore just saves the tail end of the console log. But
for "oops" the situation is more complex - the kernel may carry on
running (possibly for ever). So we'd like to make the logged copy
of the oops appear in the pstore filesystem - so that the user has
a handle to clear the entry from the persistent backing store (if
we don't, the store may fill with "oops" entries (that are also
safely stashed in /var/log/messages) leaving no space for real
errors.
Current code calls pstore_mkfile() immediately. But this may
not be safe. The oops could have happened with arbitrary locks
held, or in interrupt or NMI context. So allocating memory and
calling into generic filesystem code seems unwise.
This patch defers making the entry appear. At the time
of the oops, we merely set a flag "pstore_new_entry" noting that
a new entry has been added. A periodic timer checks once a minute
to see if the flag is set - if so, it schedules a work queue to
rescan the backing store and make all new entries appear in the
pstore filesystem.
Finn Thain [Mon, 18 Jul 2011 09:44:17 +0000 (19:44 +1000)]
m68k/mac: Fix mac_irq_pending() for PSC MACE and SCC
Add missing return statement. The docs say that the level 4 PSC IRQs
relate to MACE DMA and SCC. Since those drivers don't call
mac_irq_pending() this patch has no affect. But it should be fixed all the
same, since it can be useful for MACE debugging.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Finn Thain [Sun, 17 Jul 2011 14:06:10 +0000 (00:06 +1000)]
m68k/mac: Fix compiler warning in via_read_time()
The algorithm described in the comment compares two reads from the RTC but
the code actually reads once and compares the result to an uninitialized
value. This causes the compiler to warn, "last_result maybe used
uninitialized". Make the code match the comment, fix the warning and
perhaps improve reliability. Tested on a Quadra 700.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Randy Dunlap [Tue, 16 Aug 2011 04:41:43 +0000 (21:41 -0700)]
xen: self-balloon needs module.h
Fix build errors (found when CONFIG_SYSFS is not enabled):
drivers/xen/xen-selfballoon.c:446: warning: data definition has no type or storage class
drivers/xen/xen-selfballoon.c:446: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL'
drivers/xen/xen-selfballoon.c:446: warning: parameter names (without types) in function declaration
drivers/xen/xen-selfballoon.c:485: error: expected declaration specifiers or '...' before string constant
drivers/xen/xen-selfballoon.c:485: warning: data definition has no type or storage class
drivers/xen/xen-selfballoon.c:485: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
drivers/xen/xen-selfballoon.c:485: warning: function declaration isn't a prototype
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alan Cox [Tue, 16 Aug 2011 13:18:48 +0000 (14:18 +0100)]
gma500: kill MIPI interface types
Kirill Shutemov found problems with the non-upstream IMG driver where the
use of extra DRM encoder/connector types caused random crashes when the DRM
layer tried to display their matching name. This removes the MIPI types
matching the changes Pauli Nieminen made to the non upstream driver set.
As Pauli points out:
" MIPI (or DSI) is protocol specification on top of LVDS serial bus. That
makes it resonable to call MIPI connectors and encoders LVDS."
(and indeed they may also be HDMI convertors or similar when we want to
report a more useful to end user result)
Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Stephen Rothwell [Mon, 15 Aug 2011 23:36:06 +0000 (09:36 +1000)]
regmap: using module facilities requires module.h
Commit b33f9cbd67ba ("regmap: Specify a module license") added a
MODULES_LICENSE to this file without adding an include of module.h.
module.h should have been included anyway, since this file has
EXPORT_SYMBOLs as well. With the pending module.h split up, this would
probably have caused build problems.
Cc: Stephen Warren <swarren@nvidia.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Tue, 16 Aug 2011 02:24:42 +0000 (19:24 -0700)]
Merge branch 'docs-move' of git://git.kernel.org/pub/scm/linux/kernel/git/rdunlap/linux-docs
* 'docs-move' of git://git.kernel.org/pub/scm/linux/kernel/git/rdunlap/linux-docs:
Docs: MSI-HOWTO: MSI -> MSIs
Docs: MSI-HOWTO: Insert a comma
Docs: MSI-HOWTO: can -> could
Docs: MSI-HOWTO: Use `unknown ...' rather than `... know about.'
Docs: MSI-HOWTO: may -> might
Docs: MSI-HOWTO: Insert a comma
Docs: MSI-HOWTO: API -> function
Docs: MSI-HOWTO: , -> ;
Docs: MSI-HOWTO: Move a sentence to another paragraph
Docs: MSI-HOWTO: Insert `that'
Docs: MSI-HOWTO: Offset modifier with a comma, and insert `yet' for emphasis
Docs: MSI-HOWTO: Put the `because' subordinate clause first
Docs: MSI-HOWTO: Streamline some wording
Docs: MSI-HOWTO: `asked for' -> `requested'
Docs: MSI-HOWTO: Use present tense and streamline some wording
Docs: MSI-HOWTO: Use the subjunctive, and change `can' to `may'
Linus Torvalds [Tue, 16 Aug 2011 02:14:18 +0000 (19:14 -0700)]
Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6:
drm/i915: Cannot set clock gating under UMS
drm/i915: Can't do accurate vblank timestamps with UMS
Not all systems expose a firmware or platform mechanism for changing the backlight intensity on i915, so add native driver support.
drm/i915: split out PCH refclk update code
drm/i915: show interrupt info on IVB
drm/i915: Remove unused 'reg' argument to dp_pipe_enabled
drm/i915: Fix PCH port pipe select in CPT disable paths
drm/i915: Leave LVDS registers unlocked
drm/i915: Wait for LVDS panel power sequence
The sparc32 version of arch_write_unlock() is just a plain assignment.
Unfortunately this allows the compiler to schedule side-effects in a
protected region to occur after the HW-level unlock, which is broken.
E.g., the following trivial test case gets miscompiled:
Fixed by adding a compiler memory barrier to arch_write_unlock(). The
sparc64 version combines the barrier and assignment into a single asm(),
and implements the operation as a static inline, so that's what I did too.
Compile-tested with sparc32_defconfig + CONFIG_SMP=y.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
sparc64: remove unnecessary macros from spinlock_64.h
The sparc64 spinlock_64.h contains a number of operations defined
first as static inline functions, and then as macros with the same
names and parameters as the functions. Maybe this was needed at
some point in the past, but now nothing seems to depend on these
macros (checked with a recursive grep looking for ifdefs on these
names). Other archs don't define these identity-macros.
So this patch deletes these unnecessary macros.
Compile-tested with sparc64_defconfig.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
Matthew Garrett [Fri, 12 Aug 2011 10:11:33 +0000 (12:11 +0200)]
Not all systems expose a firmware or platform mechanism for changing the backlight intensity on i915, so add native driver support.
Signed-off-by: Matthew Garrett <mjg@redhat.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: David Airlie <airlied@linux.ie> Cc: Alex Deucher <alexdeucher@gmail.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Len Brown <lenb@kernel.org> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Tested-by: Sedat Dilek <sedat.dilek@googlemail.com> Tested-by: Michel Alexandre Salim <salimma@fedoraproject.org> Tested-by: Kamal Mostafa <kamal@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Keith Packard <keithp@keithp.com>
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
lguest: allow booting guest with CONFIG_RELOCATABLE=y
virtio: Add text copy of spec to Documentation/virtual.
Linus Torvalds [Mon, 15 Aug 2011 15:40:49 +0000 (08:40 -0700)]
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: ohci: fix DMA unmapping in an error path
firewire: cdev: fix 32 bit userland on 64 bit kernel compat corner cases
Linus Torvalds [Mon, 15 Aug 2011 15:39:10 +0000 (08:39 -0700)]
Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/radeon/kms: don't try to be smart in the hpd handler
drm/radeon: re-POST the asic on Apple hardware when booted via EFI
drm/radeon: Allow panel preferred EDID to override BIOS native mode
drm/radeon/kms: make some watermark messages debug only
drm/radeon/kms: fix regression is handling >2 heads on cedar/caicos
drm/radeon/kms: don't enable connectors that are off in the hotplug handler
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
cifs: Do not set cifs/ntfs acl using a file handle (try #4)
[CIFS] Cleanup use of CONFIG_CIFS_STATS2 ifdef to make transport routines more readable
Catalin Marinas [Mon, 15 Aug 2011 10:04:41 +0000 (11:04 +0100)]
ARM: 7015/1: ARM errata: Possible cache data corruption with hit-under-miss enabled
This patch is a workaround for the 364296 ARM1136 r0p2 erratum (possible
cache data corruption with hit-under-miss enabled). It sets the
undocumented bit 31 in the auxiliary control register and the FI bit in
the control register, thus disabling hit-under-miss without putting the
processor into full low interrupt latency mode.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Siarhei Siamashka <siarhei.siamashka@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This patch fixes L2 Cache size calculations for L2C-210, L2C-310 and
PL310, by changing the L2X0_AUX_CTRL_WAY_SIZE_MASK from 2 bits to 3
bits.
The Auxiliary Control Register for L2C-210, L2C-310 and PL310 has 3bits
[19:17] for Way size, however the existing code only uses 2 bits to
get this value. This results in incorrect cachesize calculations.
It also results in performing operations on the whole cache when we
erroneously decide that the range is big enough (due to l2x0_size being
too small) and also prints incorrect cachesize.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Acked-by: Will Deacon <will.deacon@arm.com> Cc: stable@kernel.org Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Alex Deucher [Sat, 13 Aug 2011 17:36:13 +0000 (13:36 -0400)]
drm/radeon/kms: don't try to be smart in the hpd handler
Attempting to try and turn off disconnected display hw in the
hotput handler lead to more problems than it helped. For
now just register an event and only attempt the do something
interesting with DP. Other connectors are just too problematic:
- Some systems have an HPD pin assigned to LVDS, but it's rarely
if ever connected properly and we don't really care about hpd
events on LVDS anyway since it's always connected.
- The HPD pin is wired up correctly for eDP, but we don't really
have to do anything since the events since it's always connected.
- Some HPD pins fire more than once when you connect/disconnect
- etc.
Rusty Russell [Mon, 15 Aug 2011 00:45:10 +0000 (10:15 +0930)]
lguest: allow booting guest with CONFIG_RELOCATABLE=y
The CONFIG_RELOCATABLE code tries to align the unpack destination to
the value of 'kernel_alignment' in the setup_hdr. If that's 0, it
tries to unpack to address 0, which in fact causes the gunzip code
to call 'error("Out of memory while allocating output buffer")'.
The bootloader (ie. the lguest Launcher in this case) should be doing
setting this field; the normal bzImage is 16M, we can use the same.
Reported-by: Stefanos Geraggelos <sgerag@cslab.ece.ntua.gr> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org
Clemens Ladisch [Tue, 21 Jun 2011 20:09:50 +0000 (22:09 +0200)]
mm: fix wrong vmap address calculations with odd NR_CPUS values
Commit db64fe02258f ("mm: rewrite vmap layer") introduced code that does
address calculations under the assumption that VMAP_BLOCK_SIZE is a
power of two. However, this might not be true if CONFIG_NR_CPUS is not
set to a power of two.
Wrong vmap_block index/offset values could lead to memory corruption.
However, this has never been observed in practice (or never been
diagnosed correctly); what caught this was the BUG_ON in vb_alloc() that
checks for inconsistent vmap_block indices.
To fix this, ensure that VMAP_BLOCK_SIZE always is a power of two.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=31572 Reported-by: Pavel Kysilka <goldenfish@linuxsoft.cz> Reported-by: Matias A. Fonzo <selk@dragora.org> Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: Nick Piggin <npiggin@suse.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: 2.6.28+ <stable@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Randy Dunlap [Sat, 13 Aug 2011 19:34:52 +0000 (12:34 -0700)]
Documentation: kernel-parameters.txt cleanups
General cleanups to kernel-parameters.txt:
- add missing $ARCH that are being used/referenced
- alphabetize the parameter restrictions list
- spell "IA-64" as listed in arch/ia64/Kconfig instead of "IA64"
- remove trailing whitespace
- use hyphen in 32-bit etc.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Stephen Boyd [Sat, 13 Aug 2011 19:34:50 +0000 (12:34 -0700)]
Documentation: add ARM user_debug to kernel-parameters.txt
Usually kernel parameters are documented in kernel-parameters.txt
but user_debug is only documented in the Kconfig. Document the
option and point to the Kconfig help text for more info.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Russell King <linux@arm.linux.org.uk> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Documentation: drop Linux Source Driver from kernel-docs references
Dropping LSD (Linux Source Driver) since it hasn't been available
for a long time.
Signed-off-by: Luis de Bethencourt <luis@debethencourt.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Wang Shaoyan [Thu, 11 Aug 2011 17:07:25 +0000 (17:07 +0000)]
gianfar: reduce stack usage in gianfar_ethtool.c
drivers/net/gianfar_ethtool.c:765: warning: the frame size of 2048 bytes is larger than 1024 bytes
Signed-off-by: Wang Shaoyan <wangshaoyan.pt@taobao.com> Reviewed-and-tested-by: Sebastian Pöhn <sebastian.poehn@belden.com> Signed-off-by: David S. Miller <davem@davemloft.net>
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'sh_eth_interrupt'
error: implicit declaration of function 'request_irq'
error: 'sh_eth_interrupt' undeclared (first use in this function)
error: (Each undeclared identifier is reported only once
drivers/net/sh_eth.c:1386: error: for each function it appears in.)
error: 'IRQF_SHARED' undeclared (first use in this function)
error: implicit declaration of function 'free_irq'
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> CC: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
In this code, the failure_cleanup label calls the function
plx_pci_del_card, which frees everything in the card->net_dev array. dev
is placed in this array immediately after allocation, so the two subsequent
jumps to failure_cleanup should not also call free_sja1000dev, but the
second one does.
If plx_pci_check_sja1000 fails, then free_sja1000dev is also called on
dev. Because dev is already in the card->net_dev array, this implies that
when plx_pci_del_card is later called, it may get freed again. So that
entry is reset to NULL after the free.
Finally, if there is a problem with one channel, there will be a hole in the
array. card->channels counts the number of channels that have succeeded,
and does not keep track of the index of the largest element in the array
that is valid. So the loop in plx_pci_del_card is changed to go up to
PLX_PCI_MAX_CHAN, which is only 2.
Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
Josh Boyer [Mon, 8 Aug 2011 02:34:07 +0000 (02:34 +0000)]
usbnet/cdc_ncm: Don't use stack variables for DMA
The cdc_ncm driver still has a few places where stack variables are
passed to the cdc_ncm_do_request function. This triggers a stack trace in
lib/dma-debug.c if the CONFIG_DEBUG_DMA_API option is set.
Adjust these calls to pass parameters that have been allocated with
kzalloc.
Signed-off-by: Josh Boyer <jwboyer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Jesse Gross [Sun, 7 Aug 2011 23:15:47 +0000 (23:15 +0000)]
vmxnet3: Don't enable vlan filters in promiscuous mode.
The vmxnet3 driver enables vlan filters if filtering is enabled for
any vlan. In promiscuous mode the filter table is cleared to in
order to disable filtering. However, if a vlan device is subsequently
created that vlan will be added to the filter, re-engaging it. As a
result, not only do we not see all the vlans in promiscuous mode, we
don't even see vlans for which a filter was previously created.
CC: Scott J. Goldman <scottjg@vmware.com> CC: Shreyas Bhatewara <sbhatewara@vmware.com> CC: VMware PV-Drivers <pv-drivers@vmware.com> Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: Shreyas N Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Seungwon Jeon [Fri, 5 Aug 2011 03:35:03 +0000 (12:35 +0900)]
mmc: dw_mmc: Fix DDR mode support.
Host driver can't get a hint of DDR mode through ios->ddr flag anymore.
ios->timing is currently used to inform DDR mode as a substitute.
And capability of MMC_CAP_MMC_HIGHSPEED is added for DDR support.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Andy Shevchenko [Wed, 3 Aug 2011 15:36:01 +0000 (18:36 +0300)]
mmc: sdhci: use f_max instead of host->clock for timeouts
When timeout_clk is calculated the host->clock could be zero.
So, instead of host->clock the calculation now uses mmc->f_max.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Andy Shevchenko [Wed, 3 Aug 2011 15:35:59 +0000 (18:35 +0300)]
mmc: sdhci: check host->clock before using it as a denominator
Sometimes host->clock could be zero which is a legal situation. This
patch checks host->clock before usage as a denominator when timeout is
calculated. A similar patch is applied for mmc core (see commit e9b8684,
"mmc: fix division by zero in MMC core").
Without this patch, the execution of the sdhci_calc_timeout could end up
with a backtrace:
Reported-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
This reverts commit 4b01681c7764, which introduced a new potential
divide by zero in the process of fixing one. The subsequent commits
attempt to fix the issue properly.
Fix below compile warning:
CC drivers/mmc/host/tmio_mmc.o
drivers/mmc/host/tmio_mmc.c: In function 'tmio_mmc_suspend':
drivers/mmc/host/tmio_mmc.c:30: warning: unused variable 'mmc'
drivers/mmc/host/tmio_mmc.c: In function 'tmio_mmc_resume':
drivers/mmc/host/tmio_mmc.c:45: warning: unused variable 'mmc'
Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
mmc: dw_mmc: Fix mask in IDMAC_SET_BUFFER1_SIZE macro
The mask used inside this macro was assuming Buffer_Size1's [BS1's]
width to be 14 bits, it is actually 13 bits. Modify masks used in
IDMAC_SET_BUFFER1_SIZE such that they use only 13 bits instead of
current 14.
Signed-off-by: Shashidhar Hiremath <shashidharh@vayavyalabs.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Andy Shevchenko [Fri, 22 Jul 2011 13:13:36 +0000 (16:13 +0300)]
mmc: mmc_test: avoid stalled file in debugfs
During card removal and inserting cycle the test file in the debugfs could be
stalled until the host driver removes it. Let's keep the file in the linked
list and destroy it when card is removed.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Per Forlin <per.forlin@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
Aaron Lu [Mon, 11 Jul 2011 05:27:11 +0000 (13:27 +0800)]
mmc: sdhci: fix retuning timer wrongly deleted in sdhci_tasklet_finish
Currently, the retuning timer for retuning mode 1 will be deleted in
function sdhci_tasklet_finish after a mmc request done, which will make
retuning timing never trigger again. This patch fixed this problem.
Signed-off-by: Aaron Lu <Aaron.Lu@amd.com> Reviewed-by: Philip Rakity <prakity@marvell.com> Signed-off-by: Chris Ball <cjb@laptop.org>
This bug has been introduced by: d593411084a56124aa9d80aafa15db8463b2d8f7
Author: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Mon Jul 11 10:48:51 2011 +0300
iwlagn: simplify the bus architecture
Revert part of the buggy patch: dev_get_drvdata will now return
iwl_priv as it did before the patch.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This code can be removed now that MSM targets no longer need the 16-bit
offsets for P2V.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Stephen Boyd [Thu, 11 Aug 2011 23:14:28 +0000 (00:14 +0100)]
ARM: 7012/1: Set proper TEXT_OFFSET for newer MSMs
MSMs post 8x50 have 2Mb at the beginning of RAM reserved for
shared memory. Since the kernel hasn't typically been told this
RAM exists, PHYS_OFFSET has been set to 0xN0200000 and the memory
atags passed to the kernel have matched. This doesn't play nicely
with things such as AUTO_ZRELADDR, which doesn't work at all, and
dynamic phys to virt, which requires an MSM specific workaround.
Work around these issues by telling the kernel RAM starts at
0xN0000000 (it actually does) and fixup the atags from the
bootloader (if necessary) to say the same. In addition, make sure
to set TEXT_OFFSET at least 2Mb beyond the start of RAM so that
the kernel doesn't end up being decompressed into shared memory.
After doing this, AUTO_ZRELADDR should work on MSM with no
problems and ARM_PATCH_PHYS_VIRT_16BIT should no longer be
necessary.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: David Brown <davidb@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
projects / karo-tx-linux.git / log