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S3C2440 style I2C controller uses PCLK to calculate the SDA line delay.
The driver wrongly assumed that this delay is calculated from the
frequency that the controller is operating on. This patch fixes this
issue.
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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The i810 and i830 device drivers may replace their file operations
on an open file descriptor. My previous patch to move the BKL
out of the common DRM code into these drivers only caught the
default file operations, not the ones that actually end up being
used.
Found while trying to come up with a way to kill the BKL for
good in these drivers.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx:
dmaengine: fix interrupt clearing for mv_xor
missing inline keyword for static function in linux/dmaengine.h
dma/shdma: move dereference below the NULL check
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: Fix max8925 irq control bit incorrect setting
mfd: Ignore non-GPIO IRQs when setting wm831x IRQ types
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Fix build failure from recent interface change and merge.
Tested on OMAP3430.
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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'bugzilla-14736', 'bugzilla-14679', 'bugzilla-16396', 'launchpad-613381' and 'misc' into release
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Our list of Toshiba Satellite models that require this workaround
is growing -- so invoke the workaround for the entire product line.
https://bugzilla.kernel.org/show_bug.cgi?id=14679
Signed-off-by: Len Brown <len.brown@intel.com>
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The src_base and dst_base fields in apei_exec_context are physical
address, so they should be ioremaped before being used in ERST
MOVE_DATA instruction.
Reported-by: Javier Martinez Canillas <martinez.javier@gmail.com>
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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commit 934231de706d2579fae14f5857fcd8de991009ff fixes an unbalanced
CONFIG_ACPI_PROCFS code block during module initialisation. This
patch fixes similar issue but for the module exit.
Signed-off-by: Luis Henriques <luis.henrix@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_pad.c:432: warning: ‘num_cpus’ may be used uninitialized in this function
gcc 4.4.4 was unable to notice that num_cpus is always set.
Re-arrange the code to un-confuse gcc, and also make
it easier for humans to read....
Signed-off-by: Len Brown <len.browns@intel.com>
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In ERST debug/test support patch, a dynamic allocated buffer is
used. The may-failed memory allocation should be tried firstly before
free the previous buffer.
APEI resource management memory allocation related error path is fixed
too.
v2:
- Fix error messages for APEI resources management
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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platform_data in hest_parse_ghes() is used for saving the address of entry
information of erst_tab. When the device is failed to be added, platform_data
will be freed by platform_device_put(). But the value saved in platform_data
should not be freed here. If it is done, it will make system panic.
So I think platform_data should save the address of allocated memory
which saves entry information of erst_tab.
This patch fixed it and I confirmed it on x86_64 next-tree.
v2:
Transport the pointer of hest_hdr to platform_data using
platform_device_add_data()
Signed-off-by: Jin Dongming <jin.dongming@np.css.fujitsu.com>
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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After we ioremap() a new region, we call __acpi_try_ioremap() to
see whether another thread has already mapped the same region.
This check clobbers "vaddr", so compute the return value of
acpi_pre_map() using the ioremap() result "map->vaddr" instead.
v2:
Modified the unsuitable description of patch.
v3:
Removed unlikely() check and made description simpler.
Signed-off-by: Jin Dongming <jin.dongming@np.css.fujitsu.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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On Huang Ying's machine:
erst_tab->header_length == sizeof(struct acpi_table_einj)
but Yinghai reported that on his machine,
erst_tab->header_length == sizeof(struct acpi_table_einj) -
sizeof(struct acpi_table_header)
To make erst table size checking code works on all systems, both
testing are treated as PASS.
Same situation applies to einj_tab->header_length, so corresponding
table size checking is changed in similar way too.
v2:
- Treat both table size as valid
Originally-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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We can't do without setting channel and bus width to
same size. In order to do that, use loop read/writes in
polling mode and appropriate burst size in DMA mode.
Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Newer SoCs have the SPI clock scaling control in platform's
clock management unit. Inorder for such SoCs to work, we need
to check the flag clk_from_cmu before making any clock changes.
Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Since we use DMA mode only for xfers bigger than FIFO size,
do not map/unmap buffers for polling mode transfers.
Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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The return -EINVAL appears to only make sense if the if branch that it is
aligned with is taken, and the indentation indicates that this is the
authors intent, so move it into that branch.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r disable braces4@
position p1,p2;
statement S1,S2;
@@
(
if (...) { ... }
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if (...) S1@p1 S2@p2
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
if (p1[0].column == p2[0].column):
cocci.print_main("branch",p1)
cocci.print_secs("after",p2)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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list_for_each_entry binds its first argument to a non-null value, and thus
any null test on the value of that argument is superfluous.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
iterator I;
expression x,E;
@@
I(x,...) { <...
- (x != NULL) &&
E
...> }
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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dev_vdbg() is only compiled when VERBOSE is defined, so
there's no need to wrap dev_dbg() on #ifdef VERBOSE .. #endif
as we can use dev_vdbg() directly.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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In max8925_irq_sync_unlock(), irq control bit is set at the same time.
Zero means enabling irq, and one means disabling irq.
The original code is:
irq_chg[0] &= irq_data->enable;
It should be changed to:
irq_chg[0] &= ~irq_data->enable;
Otherwise, irq control bit is mess.
Signed-off-by: Kevin Liu <kliu5@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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The driver was originally tested with an additional patch which
made this unneeded but that patch had issuges and got lost on the
way to mainline, causing problems when the errors are reported.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Cc: stable@kernel.org
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otherwise, these two lines print as one:
ACPI: acpi_idle yielding to intel_idle
ACPI: SSDT 3f5d8741 00203 (v02 PmRef Cpu0Ist 00003000 INTL 20050624)
Signed-off-by: Len Brown <len.brown@intel.com>
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intel_idle_cpuidle_devices is a percpu pointer
but was missing __percpu markup.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Remove execution permission from source file.
Signed-off-by: Thomas Weber <weber@corscience.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Len Brown <len.brown@intel.com>
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Disable the Windows Vista (SP1) compatibility for Toshiba P305D.
http://bugzilla.kernel.org/show_bug.cgi?id=14736
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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"power of" -> "power off"
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Len Brown <len.brown@intel.com>
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Fix a vague warning message.
https://bugzilla.kernel.org/show_bug.cgi?id=16599
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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drivers/acpi/sysfs.c:154: warning: passing argument 1 of '__check_old_set_param' from incompatible pointer type
include/linux/moduleparam.h:165: note: expected 'int (*)(const char *, struct kernel_param *)' but argument is of type 'int (*)(const char *, const struct kernel_param *)'
Introduced by commit 1c8fce27e275fd7c6b75bc6455745f02d3903ee6 ("ACPI:
introduce drivers/acpi/sysfs.c") interacting with commit
9bbb9e5a33109b2832e2e63dcc7a132924ab374b ("param: use ops in struct
kernel_param, rather than get and set fns directly").
Use module_param_cb instead of the obsoleted module_param_call to fix a build warning.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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https://bugzilla.kernel.org/show_bug.cgi?id=12641
Signed-off-by: Len Brown <len.brown@intel.com>
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When we claim incompatibility with Vista,
include both Vista SP1 and SP2.
https://bugzilla.kernel.org/show_bug.cgi?id=12641
Signed-off-by: Len Brown <len.brown@intel.com>
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per comments in the bug report, this entry
seems to hurt at much as it helps.
https://bugzilla.kernel.org/show_bug.cgi?id=10807
Signed-off-by: Len Brown <len.brown@intel.com>
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Section 4.7.3.1.1 (PM1 Status Registers) of version 4.0 of
the ACPI spec concerning PCIEXP_WAKE_STS points out in
in the final note field in table 4-11 that if this bit is
set to 1 and the system is put into a sleeping state then
the system will not automatically wake.
This bit gets set by hardware to indicate that the system
woke up due to a PCI Express wakeup event, so clear it during
acpi_hw_clear_acpi_status() calls to enable subsequent
resumes to work.
BugLink: http://bugs.launchpad.net/bugs/613381
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
ahci: fix module refcount breakage introduced by libahci split
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iwl3945's scan_completed calls into the mac80211 stack which triggers a
warn on if there is no scan outstanding.
This can be avoided by not calling scan_completed but abort_scan in
iwl3945_request_scan in the done: branch of the function which is used
as an error out.
The done: branch seems to be an error-out branch, as, for example, if
iwl_is_ready(priv) returns false the done: branch is executed.
NOTE:
I'm not familiar with the driver at all.
I just quickly scanned as a reaction to
https://bugzilla.kernel.org/show_bug.cgi?id=17722
the users of scan_completed in the iwl3945 driver and noted the odd
discrepancy between the comment above this instance and the comment in
mac80211 scan_completed function.
Signed-off-by: Florian Mickler <florian@mickler.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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libata depends on scsi_host_template for module reference counting and
sht's should be owned by each low level driver. During libahci split,
the sht was left with libahci.ko leaving the actual low level drivers
not reference counted. This made ahci and ahci_platform always
unloadable even while they're being actively used.
Fix it by defining AHCI_SHT() macro in ahci.h and defining a sht for
each low level ahci driver.
stable: only applicable to 2.6.35.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Pedro Francisco <pedrogfrancisco@gmail.com>
Tested-by: Michael Tokarev <mjt@tls.msk.ru>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging:
hwmon (coretemp): Fix build breakage if SMP is undefined
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: fix pci_resource_alignment prototype
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits)
tcp: Fix >4GB writes on 64-bit.
net/9p: Mount only matching virtio channels
de2104x: fix ethtool
tproxy: check for transparent flag in ip_route_newports
ipv6: add IPv6 to neighbour table overflow warning
tcp: fix TSO FACK loss marking in tcp_mark_head_lost
3c59x: fix regression from patch "Add ethtool WOL support"
ipv6: add a missing unregister_pernet_subsys call
s390: use free_netdev(netdev) instead of kfree()
sgiseeq: use free_netdev(netdev) instead of kfree()
rionet: use free_netdev(netdev) instead of kfree()
ibm_newemac: use free_netdev(netdev) instead of kfree()
smsc911x: Add MODULE_ALIAS()
net: reset skb queue mapping when rx'ing over tunnel
br2684: fix scheduling while atomic
de2104x: fix TP link detection
de2104x: fix power management
de2104x: disable autonegotiation on broken hardware
net: fix a lockdep splat
e1000e: 82579 do not gate auto config of PHY by hardware during nominal use
...
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Commit e40cc4bdfd4b89813f072f72bd9c7055814d3f0f introduced
a build breakage if CONFIG_SMP is undefined. This commit
fixes the problem.
This fix is only a workaround. For a real fix, cpu_sibling_mask() should
be defined in UP include code, eg in linux/smp.h, and asm/smp.h should not be
included directly. This fix is currently not possible because asm/smp.h defines
cpu_sibling_mask() unconditionally and is included directly from many source
files.
Reported-by: Ingo Molnar <mingo@elte.hu>
Tested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
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The PKT_CTRL_CMD_STATUS device ioctl retrieves a pointer to a
pktcdvd_device from the global pkt_devs array. The index into this
array is provided directly by the user and is a signed integer, so the
comparison to ensure that it falls within the bounds of this array will
fail when provided with a negative index.
This can be used to read arbitrary kernel memory or cause a crash due to
an invalid pointer dereference. This can be exploited by users with
permission to open /dev/pktcdvd/control (on many distributions, this is
readable by group "cdrom").
Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com>
[ Rather than add a cast, just make the function take the right type -Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Board has no digital connectors
Reported-by: Andy Walls <awalls@md.metrocast.net>
Tested-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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radeon_gem_wait_idle_ioctl can apparently get called prior to
the vram page being set up or even if accel if false, so make
sure it's valid before using it.
Should fix:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=597636
https://bugs.freedesktop.org/show_bug.cgi?id=29834
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Hook the GEM vm open/close ops into the generic drm vm open/close so
that the private vma entries are created and destroy appropriately.
Fixes the leak of the drm_vma_entries during the lifetime of the filp.
Reported-by: Matt Mackall <mpm@selenic.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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When setting up to transmit, a race exists between the ISR and
i2c_davinci_xfer_msg() trying to load the first byte and adjust counters.
This is mostly visible for transmits > 1 byte long.
The hardware starts sending immediately that MDR is loaded. IMR trickery
doesn't work because if we start sending, finish the first byte and an
XRDY event occurs before we load IMR to unmask it, we never get an
interrupt, and we timeout.
Move the MDR load after DXR,IMR loads to avoid this race without locking.
Tested on DM355 connected to Techwell TW2836 and Wolfson WM8985
Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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When the interface is up, using ethtool breaks it because:
a) link is put down but media_timer interval is not shortened to NO_LINK
b) rxtx is stopped but not restarted
Also manual 10baseT-HD (and probably FD too - untested) mode does not work -
the link is forced up, packets are transmitted but nothing is received.
Changing CSR14 value to match documentation (not disabling link check) fixes this.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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