There were a number of little bugs in the error handling of irq setup, most of
which ended up panicing the kernel, and are addressed by this patch, along with
a couple formatting issues.
Legacy interrupts (including MSI) are used only in the case of failure to
allocate MSI-X interrupts.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Looks like omap3 is still relying on hwmod data for some basic
device tree information. Let's add the information to omap3.dtsi
so we can remove the related hwmod data once omap3 is DT only.
Acked-by: Benoit Cousson <bcousson@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
In ubifs_garbage_collect,local variable "space_before" calculate twice. In
fact, at the beginning of the loop, there is no need to calculate this
variable. Calculate it before call "ubifs_garbage_collect_leb" is enough. This
patch just remove the unnecessary calculate code.
Signed-off-by: wang bo <wang.bo116@zte.com.cn>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Correct math error when assigning MSI-X vectors to VFs. The vectors-per-vf
value reported by the hardware already conveniently reports one less than the
actual value.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Not all VSIs have rings! Check to see if rings were actually allocated before
freeing them.
This prevents a panic when tx_rings[0] is not allocated.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Hot path doesn't need read-flush after interrupt enable, and this
flush really causes a lot of extra cpu utilization.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Add McASP and audio support
Add reset/idle on init bindings for OMAP
Add more nodes for AM4272
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Merge tag 'for_3.13_late/dts_signed' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into omap-for-v3.13/dt
Add i2c aliases
Add McASP and audio support
Add reset/idle on init bindings for OMAP
Add more nodes for AM4272
clear the status bit if the mask register doesn't prevent
the chip level irq from being asserted
OR in the following sequence, there will be irq storm happens:
1) interrupt is triggered;
2) another thread disables it(the mask bit is set);
3) _Then_ the interrupt thread is not ACKed(the status bit is not cleared),
and it's ignored;
4) if the irq is still asserted because of the uncleared status bit,
the irq storm happens;
Signed-off-by: Yi Zhang <yizhang@marvell.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Do not touch keyboard backlight unless explicitly passed a module
parameter. In this way we won't make wrong assumptions about what are
good default values since they actually are different from model to
model.
The only side effect is that we won't know what is the current value
until set via the sysfs attributes.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Introduce the unfailed version of kmem_cache_alloc named f2fs_kmem_cache_alloc
to hide the retry routine and make the code a bit cleaner.
v2:
Fix the wrong use of 'retry' tag pointed out by Gao feng.
Use more neat code to remove redundant tag suggested by Haicheng Li.
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Change the model omap2-mcasp-audio in compatible property to
am33xx-mcasp-audio as omap2 does not have mcasp.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Extract DMA channels directly from DT as they can not be found from
platform resources anymore. This is a work-around until davinci audio
driver is updated to use dmaengine.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This patch adds a separate register location for data port registers to
mcasp DT bindings. On am33xx SoCs the McASP registers are mapped
trough L4 interconnect, but data port registers are also mapped trough
L3 bus to a different memory location.
Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Move kernel-doc notation to immediately before its function to eliminate
kernel-doc warnings introduced by commit db14fc3abc ("vfs: add
d_walk()")
Warning(fs/dcache.c:1343): No description found for parameter 'data'
Warning(fs/dcache.c:1343): No description found for parameter 'dentry'
Warning(fs/dcache.c:1343): Excess function parameter 'parent' description in 'check_mount'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Miklos Szeredi <mszeredi@suse.cz>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add @path parameter to fix kernel-doc warning.
Also fix a spello/typo.
Warning(fs/namei.c:2304): No description found for parameter 'path'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Because one dirty seg can only be mapped to one dirty_type. Otherwise, it's a bug.
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
[Jaegeuk Kim: modify a comment related to this patch]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This patch adds S/PDIF input/output for mvebu DT boards.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mark Brown <broonie@linaro.org>
Provide alias to allow ordering the i2c devices correctly.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Currently, on OMAP5, i2c1 and i2c5 defer probe due to pinctrl
dependencies. This changes the i2c ID each bus is registered with in
i2c-dev interface. As a result of this, many userspace tools break and
there is no consistent manner to fix the same if the i2c dev interface
have no consistent numbering.
Since this could happen for other OMAP derivatives, provide i2c alias
for all OMAP3+ SoCs to allow ordering the i2c devices correctly.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
This adds support for the Armada 510 display subsystem found on the
Marvell Dove devices. This IP is re-used across several different Marvell
SoCs with various tweaks, and this driver has been structured to allow
the other IPs to re-use the bulk of this code; further work in this area
is expected from interested parties.
This has been extensively tested on the SolidRun Cubox platform and
appears to work well there.
[airlied: update for api changes merged previous to this]
So drm was abusing device lifetimes, by having embedded device structures
in the minor and connector it meant that the lifetime of the internal drm
objects (drm_minor and drm_connector) were tied to the lifetime of the device
files in sysfs, so if something kept those files opened the current code
would kfree the objects and things would go downhill from there.
Now in reality there is no need for these lifetimes to be so intertwined,
especailly with hotplugging of devices where we wish to remove the sysfs
and userspace facing pieces before we can unwind the internal objects due
to open userspace files or mmaps, so split the objects out so the struct
device is no longer embedded and do what fbdev does and just allocate
and remove the sysfs inodes separately.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add nodes for McASP0 and McASP1 for AM43xx.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Fix doubled clock disable and unprepare during PM suspend which triggered
the warnings:
WARNING: at drivers/clk/clk.c:800 clk_disable+0x18/0x24()
Modules linked in:
CPU: 0 PID: 1745 Comm: sh Not tainted 3.10.14-01211-ge2549bb-dirty #62
[<c0015980>] (unwind_backtrace+0x0/0x138) from [<c0012a44>] (show_stack+0x10/0x14)
[<c0012a44>] (show_stack+0x10/0x14) from [<c0022818>] (warn_slowpath_common+0x4c/0x68)
[<c0022818>] (warn_slowpath_common+0x4c/0x68) from [<c0022850>] (warn_slowpath_null+0x1c/0x24)
[<c0022850>] (warn_slowpath_null+0x1c/0x24) from [<c036e274>] (clk_disable+0x18/0x24)
[<c036e274>] (clk_disable+0x18/0x24) from [<c02d5f78>] (s3c64xx_spi_suspend+0x28/0x54)
[<c02d5f78>] (s3c64xx_spi_suspend+0x28/0x54) from [<c02b3a54>] (platform_pm_suspend+0x2c/0x5c)
[<c02b3a54>] (platform_pm_suspend+0x2c/0x5c) from [<c02b8a30>] (dpm_run_callback+0x44/0x7c)
[<c02b8a30>] (dpm_run_callback+0x44/0x7c) from [<c02b8b70>] (__device_suspend+0x108/0x300)
[<c02b8b70>] (__device_suspend+0x108/0x300) from [<c02ba4e0>] (dpm_suspend+0x54/0x208)
[<c02ba4e0>] (dpm_suspend+0x54/0x208) from [<c0066bcc>] (suspend_devices_and_enter+0x98/0x458)
[<c0066bcc>] (suspend_devices_and_enter+0x98/0x458) from [<c0067150>] (pm_suspend+0x1c4/0x25c)
[<c0067150>] (pm_suspend+0x1c4/0x25c) from [<c0066044>] (state_store+0x6c/0xbc)
[<c0066044>] (state_store+0x6c/0xbc) from [<c0203290>] (kobj_attr_store+0x14/0x20)
[<c0203290>] (kobj_attr_store+0x14/0x20) from [<c0157530>] (sysfs_write_file+0xfc/0x164)
[<c0157530>] (sysfs_write_file+0xfc/0x164) from [<c00fd6b0>] (vfs_write+0xbc/0x1bc)
[<c00fd6b0>] (vfs_write+0xbc/0x1bc) from [<c00fdaf0>] (SyS_write+0x40/0x68)
[<c00fdaf0>] (SyS_write+0x40/0x68) from [<c000ea80>] (ret_fast_syscall+0x0/0x3c)
The clocks may be already disabled before suspending. Check PM runtime
suspend status and disable clocks only if device is not suspended.
During resume do not enable the clocks if device is runtime suspended.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
During PM resume and suspend do not ignore the return value of
spi_master_suspend() or spi_master_resume(). Instead pass it further.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
While reporting the jack status snd_soc_jack_report() invokes snd_soc_dapm_sync()
always. This should be required when we have pins associated with jack and
reporting enables or disables these.
So add a check for this case
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
The unnamed union should be possible to be initialized directly, but
unfortunately it's not so:
/usr/src/ipset/kernel/net/netfilter/ipset/ip_set_hash_netnet.c: In
function ?hash_netnet4_kadt?:
/usr/src/ipset/kernel/net/netfilter/ipset/ip_set_hash_netnet.c:141:
error: unknown field ?cidr? specified in initializer
Reported-by: Husnu Demir <hdemir@metu.edu.tr>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Instead of cb->data, use callback dump args only and introduce symbolic
names instead of plain numbers at accessing the argument members.
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
During kernel stability testing on an SMP ARMv7 system, Yalin Wang
reported the following panic from the netfilter code:
1fe0: 0000001c 5e2d3b10 4007e779 4009e110 60000010 00000032 ff565656 ff545454
[<c06c48dc>] (ipt_do_table+0x448/0x584) from [<c0655ef0>] (nf_iterate+0x48/0x7c)
[<c0655ef0>] (nf_iterate+0x48/0x7c) from [<c0655f7c>] (nf_hook_slow+0x58/0x104)
[<c0655f7c>] (nf_hook_slow+0x58/0x104) from [<c0683bbc>] (ip_local_deliver+0x88/0xa8)
[<c0683bbc>] (ip_local_deliver+0x88/0xa8) from [<c0683718>] (ip_rcv_finish+0x418/0x43c)
[<c0683718>] (ip_rcv_finish+0x418/0x43c) from [<c062b1c4>] (__netif_receive_skb+0x4cc/0x598)
[<c062b1c4>] (__netif_receive_skb+0x4cc/0x598) from [<c062b314>] (process_backlog+0x84/0x158)
[<c062b314>] (process_backlog+0x84/0x158) from [<c062de84>] (net_rx_action+0x70/0x1dc)
[<c062de84>] (net_rx_action+0x70/0x1dc) from [<c0088230>] (__do_softirq+0x11c/0x27c)
[<c0088230>] (__do_softirq+0x11c/0x27c) from [<c008857c>] (do_softirq+0x44/0x50)
[<c008857c>] (do_softirq+0x44/0x50) from [<c0088614>] (local_bh_enable_ip+0x8c/0xd0)
[<c0088614>] (local_bh_enable_ip+0x8c/0xd0) from [<c06b0330>] (inet_stream_connect+0x164/0x298)
[<c06b0330>] (inet_stream_connect+0x164/0x298) from [<c061d68c>] (sys_connect+0x88/0xc8)
[<c061d68c>] (sys_connect+0x88/0xc8) from [<c000e340>] (ret_fast_syscall+0x0/0x30)
Code: 2a000021 e59d2028 e59de01c e59f011c (e7824103)
---[ end trace da227214a82491bd ]---
Kernel panic - not syncing: Fatal exception in interrupt
This comes about because CPU1 is executing xt_replace_table in response
to a setsockopt syscall, resulting in:
ret = xt_jumpstack_alloc(newinfo);
--> newinfo->jumpstack = kzalloc(size, GFP_KERNEL);
[...]
table->private = newinfo;
newinfo->initial_entries = private->initial_entries;
Meanwhile, CPU0 is handling the network receive path and ends up in
ipt_do_table, resulting in:
private = table->private;
[...]
jumpstack = (struct ipt_entry **)private->jumpstack[cpu];
On weakly ordered memory architectures, the writes to table->private
and newinfo->jumpstack from CPU1 can be observed out of order by CPU0.
Furthermore, on architectures which don't respect ordering of address
dependencies (i.e. Alpha), the reads from CPU0 can also be re-ordered.
This patch adds an smp_wmb() before the assignment to table->private
(which is essentially publishing newinfo) to ensure that all writes to
newinfo will be observed before plugging it into the table structure.
A dependent-read barrier is also added on the consumer sides, to ensure
the same ordering requirements are also respected there.
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reported-by: Wang, Yalin <Yalin.Wang@sonymobile.com>
Tested-by: Wang, Yalin <Yalin.Wang@sonymobile.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Merge tag 'jfs-3.12' of git://github.com/kleikamp/linux-shaggy
Pull jfs bugfix from David Kleikamp:
"Just a patch to fix an oops in an error path"
* tag 'jfs-3.12' of git://github.com/kleikamp/linux-shaggy:
jfs: fix error path in ialloc
I forgot to remove this during earlier cleanup patches and only checked
various builds for errors, not warnings.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Use SIMPLE_DEV_PM_OPS macro will initialize the member "freeze"
and "thaw" of pwm_backlight_pm_ops as below,
.freeze = suspend_fn,
.thaw = resume_fn,
then during the process of making hibernation snapshot, screen
will be blank at the moment of freezing, and then light at the
moment of thawing.
this is not the right user experience for suspending to disk.
so this patch drops freeze and thaw callback, make the LCD is
always lighting before the final shutdown.
Signed-off-by: Huayi Li <huayi.li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Pull drm fixes from Dave Airlie:
"Travelling slowed down getting these out.
Two vmwgfx fixes, a radeon revert to avoid a regression, i915 fixes,
and some ioctl sizing issues fixed with 32 on 64"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon/audio: don't set speaker allocation on DCE4+
drm/radeon: rework audio option
drm/radeon/audio: don't set speaker allocation on DCE3.2
drm/radeon: make missing smc ucode non-fatal (CI)
drm/radeon: make missing smc ucode non-fatal (r7xx-SI)
drm/radeon/uvd: revert lower msg&fb buffer requirements on UVD3
drm/radeon: stop the leaks in cik_ib_test
drm/radeon/atom: workaround vbios bug in transmitter table on rs780
drm/i915: Disable GGTT PTEs on GEN6+ suspend
drm/i915: Make PTE valid encoding optional
drm: Pad drm_mode_get_connector to 64-bit boundary
drm: Prevent overwriting from userspace underallocating core ioctl structs
drm/vmwgfx: Don't kill clients on VT switch
drm/vmwgfx: Don't put resources with invalid id's on lru list
drm/i915: disable LVDS clock gating on CPT v2
Pull HID fixes from Jiri Kosina:
- a partial revert of exponent parsing changes to make "Unit" exponent
item work properly again, by Nikolai Kondrashov
- a few new device IDs additions piggy-backing, by AceLan Kao and David
Herrmann
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: wiimote: add LEGO-wiimote VID
HID: Fix unit exponent parsing again
HID: usbhid: quirk for SiS Touchscreen
HID: usbhid: quirk for Synaptics Large Touchccreen
Pull libata fixes from Tejun Heo:
"The only interesting bit is ata_eh_qc_retry() update which fixes a
problem where a SG_IO command may fail across suspend/resume cycle
without the command actually being at fault.
Other changes are low level driver specific and fairly low impact"
* 'for-3.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libahci: fix turning on LEDs in ahci_start_port()
libata: make ata_eh_qc_retry() bump scmd->allowed on bogus failures
ahci_platform: use dev_info() instead of printk()
ahci: use dev_info() instead of printk()
pata_isapnp: Don't use invalid I/O ports
Pull cgroup fixes from Tejun Heo:
"Two late fixes for cgroup.
One fixes descendant walk introduced during this rc1 cycle. The other
fixes a post 3.9 bug during task attach which can lead to hang. Both
fixes are critical and the fixes are relatively straight-forward"
* 'for-3.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: fix to break the while loop in cgroup_attach_task() correctly
cgroup: fix cgroup post-order descendant walk of empty subtree
The result of the store-clock-fast (STCKF) instruction is a bit fuzzy.
It can happen that the value stored on one CPU is smaller than the value
stored on another CPU, although the order of the stores is the other
way around. This can cause deltas of get_tod_clock() values to become
negative when they should not be.
We need to be more careful with store-clock-fast, this patch partially
reverts git commit e4b7b4238e666682555461fa52eecd74652f36bb "time:
always use stckf instead of stck if available". The get_tod_clock()
function now uses the store-clock-extended (STCKE) instruction.
get_tod_clock_fast() can be used if the fuzziness of store-clock-fast
is acceptable e.g. for wait loops local to a CPU.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Most just regression fixes for audio, dpm, and uvd, plus
a resource leak fix for cik.
* 'drm-fixes-3.12' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon/audio: don't set speaker allocation on DCE4+
drm/radeon: rework audio option
drm/radeon/audio: don't set speaker allocation on DCE3.2
drm/radeon: make missing smc ucode non-fatal (CI)
drm/radeon: make missing smc ucode non-fatal (r7xx-SI)
drm/radeon/uvd: revert lower msg&fb buffer requirements on UVD3
drm/radeon: stop the leaks in cik_ib_test
drm/radeon/atom: workaround vbios bug in transmitter table on rs780
Just an lvds clock gating fix and a pte clearing hack for hsw to avoid
memory corruption when hibernating - something doesn't seem to switch off
properly, we're still investigating.
* tag 'drm-intel-fixes-2013-10-21' of git://people.freedesktop.org/~danvet/drm-intel: (96 commits)
drm/i915: Disable GGTT PTEs on GEN6+ suspend
drm/i915: Make PTE valid encoding optional
drm/i915: disable LVDS clock gating on CPT v2
This macro is used to create a struct pci_device_id array.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This macro is used to create a struct pci_device_id array.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This macro is used to create a struct pci_device_id array.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jingoo Han says:
====================
net: ethernet: remove unnecessary pci_set_drvdata() part 3
Since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound),
the driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
