Now that we're converted to use the generic vchan support, we can fix
the residue return from tx_status to be compliant with dmaengine. This
returns the number of bytes remaining for the _specified_ cookie, not
the number of bytes in all pending transfers on the channel.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Convert to use the virtual dma channel done list, tasklet, and
descriptor freeing.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Convert to use the virtual dma channel submitted/issued descriptor
lists rather than our own private lists, and use the virtual dma
channel support functions to manage these lists.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Initialize the vchan struct, and use the provided spinlock rather than
our own.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Convert PL08x to use the virt-dma structures.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Rework the physical channel allocation mechanism to only allocate
physical channels to virtual channels when they're about to be used.
This eliminates all the complexity with holding channels while
descriptors are being prepared, which is completely unnecessary.
This also brings this driver to a state where the generic virtual DMA
code can be used with this driver, and opens up the possibility of
properly scheduling and prioritorising physical DMA channels to
virtual DMA channels.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Rather than waiting for the tasklet to run, we can start the next
descriptor from interrupt context, as soon as we know that the
previous descriptor has completed.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Our behaviour wasn't correct; issue_pending is supposed to be called
before any submitted descriptors are available for processing by the
DMA engine. Split the pend_list in two, one for submitted descriptors
and another list for issued descriptors.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Rather than code the de-queue of the txd several times, move that into
the start_txd function. Rename this to better illustrate what it's
now doing, and call this function when starting a delayed memcpy().
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
As we no longer need to pass a descriptor to prep_phy_channel(), we
don't need to keep track of the descriptor which is waiting for a
channel to become available. So let's get rid of it.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Move the DMA request muxing into the slave prepare code and txd
release/completion code. This means we only hold the DMA request
mux while there are descriptors waiting to be started or are in
progress.
This leaves txd->direction as a write-only variable; remove it.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Convert PL08x to use a list of completed descriptors rather than
merely relying upon a single pointer. This makes it possible to
schedule the tasklet for other purposes, and makes our behaviour
similar to virt-dma.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Keep track of the number of descriptors currently using a MUX setting
on a per-channel basis. This allows us to know when we have descriptors
queued somewhere which have been assigned a DMA request signal.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Move the signal handling out of the physical channel structure into
the virtual channel structure, where it should belong as it has more
to do with the virtual channel than the physical one.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Split the DMA request mux signal handling from the physical channel
allocation code. The physical channel has very little to do with the
DMA request input which will be used, so these should be two separate
operations.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Get rid of the unnecessary checks in dma_slave_config utilizing
the DMA direction. This allows us to move the computation of
cctl to the prepare function.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Ignore the direction argument in dma_slave_config, and configure both
directions independently. We still check that the configuration for
the intended direction is valid; this check will eventually be dropped.
This check is just for debugging at present.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Extract the functionality from dma_slave_config to generate the cctl
values for a given bus width and burst size. This allows us to use
this elsewhere in the driver, namely the prepare functions.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Move the bus and transfer increment selection to the DMA prepare
function rather than the slave configuration function.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
As we now store the dma_slave_config in pl08x_dma_chan, we don't need
to store this separately. Use the one in dma_slave_config directly.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Add a dma_slave_config struct to struct pl08x_dma_chan, and move the
src_addr/dst_addr arguments into this struct. This is a step away
from using the dma_slave_config's direction member.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Move the driver private data structures into the driver itself, rather
than having them exposed to everyone in a header file.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Try to avoid dereferencing the DMA engine's channel struct in these
platform helpers; instead, pass a pointer to the channel data into
get_signal(), and the returned signal number to put_signal().
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Circular buffers are not handled in this way; we have a separate API
call now to setup circular buffers. So lets not mislead people with
this bool.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The pl08x_driver_data spinlock is only ever initialized. Nothing else
uses it. Let's get rid of it.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
db8196df4 (dmaengine: move drivers to dma_transfer_direction) missed
fixing up the "DMA_NONE" case.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The runtime PM support conflicts with the generic AMBA bus PM, and also
causes a potential deadlock with the PL011 driver as it results in
interrupts being enabled beneath a spinlock.
I don't presently see any solution to this other than by removing the
runtime PM support entirely from the DMA engine driver. Alternative
suggestions welcome.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Add support for cyclic DMA's periodic callbacks. Drivers are expected
to call vchan_cyclic_callback() when a period has completed, which will
schedule the tasklet to make the callback into the driver.
As callbacks are made from tasklet context, it is important to realise
that we don't guarantee a callback for each completed period, but for
N completed periods where N may be greater than one.
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Add a function to find a descriptor within the depths of the
virtualized DMA channel support. Needed for tx_status functionality.
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Split the virtual slave channel DMA support from the sa11x0 driver so
this code can be shared with other slave DMA engine drivers.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Pull ACPI & Power Management patches from Len Brown.
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
acpi_pad: fix power_saving thread deadlock
ACPI video: Still use ACPI backlight control if _DOS doesn't exist
ACPI, APEI, Avoid too much error reporting in runtime
ACPI: Add a quirk for "AMILO PRO V2030" to ignore the timer overriding
ACPI: Remove one board specific WARN when ignoring timer overriding
ACPI: Make acpi_skip_timer_override cover all source_irq==0 cases
ACPI, x86: fix Dell M6600 ACPI reboot regression via DMI
ACPI sysfs.c strlen fix
The acpi_pad driver can get stuck in destroy_power_saving_task()
waiting for kthread_stop() to stop a power_saving thread. The problem
is that the isolated_cpus_lock mutex is owned when
destroy_power_saving_task() calls kthread_stop(), which waits for a
power_saving thread to end, and the power_saving thread tries to
acquire the isolated_cpus_lock when it calls round_robin_cpu(). This
patch fixes the issue by making round_robin_cpu() use its own mutex.
https://bugzilla.kernel.org/show_bug.cgi?id=42981
Cc: stable@vger.kernel.org
Signed-off-by: Stuart Hayes <Stuart_Hayes@Dell.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This fixes a regression in 3.4-rc1 caused by commit
ea9f8856bd
(ACPI video: Harden video bus adding.)
Some platforms don't have _DOS control method, but the ACPI
backlight still works.
We should not invoke _DOS for these platforms.
https://bugzilla.kernel.org/show_bug.cgi?id=43168
Cc: Igor Murzov <intergalactic.anonymous@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
* Fix for a bug in async suspend error code path causing parents to wait
forever for their children in case of a suspend error from Mandeep Singh
Baines (-stable metarial).
* Fix for a suspend regression related to earlier changes in the ACPI
cpuidle driver from Deepthi Dharwar.
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Merge tag 'pm-for-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael J. Wysocki:
* Fix for a bug in async suspend error code path causing parents to
wait forever for their children in case of a suspend error from
Mandeep Singh Baines (-stable metarial).
* Fix for a suspend regression related to earlier changes in the ACPI
cpuidle driver from Deepthi Dharwar.
* tag 'pm-for-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / ACPI: Fix suspend/resume regression caused by cpuidle cleanup.
PM / Sleep: Prevent waiting forever on asynchronous suspend after abort
Pull x86 fixes from Ingo Molnar.
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, cpufeature: Remove stray %s, add -w to mkcapflags.pl
x86, cpufeature: Catch duplicate CPU feature strings
x86, cpufeature: Rename X86_FEATURE_DTS to X86_FEATURE_DTHERM
x86: Fix kernel-doc warnings
x86, compat: Use test_thread_flag(TIF_IA32) in compat signal delivery
Pull oprofile fixlet from Ingo Molnar.
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
oprofile: perf: use NR_CPUS instead or nr_cpumask_bits for static array
Pull watchdog fixes from Wim Van Sebroeck:
"This fixes:
- the WDIOC_GETSTATUS return value
- the unregister of all NMI events on exit
- the loading of the iTCO_wdt driver after the conversion to the
lpc_ich mfd model."
* git://www.linux-watchdog.org/linux-watchdog:
watchdog: core: fix WDIOC_GETSTATUS return value
watchdog: hpwdt: Unregister NMI events on exit.
watchdog: iTCO_wdt: add platform driver module alias
'IS_ENABLED()' macro usage: should be 'IS_ENABLED(CONFIG_DEBUG_FS)',
but we had 'IS_ENABLED(DEBUG_FS)'. Also fix incorrect assertion.
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Merge tag 'upstream-3.5-rc5' of git://git.infradead.org/linux-ubifs
Pull ubi/ubifs fixes from Artem Bityutskiy:
"Fix the debugfs regression - we never enable it because incorrect
'IS_ENABLED()' macro usage: should be 'IS_ENABLED(CONFIG_DEBUG_FS)',
but we had 'IS_ENABLED(DEBUG_FS)'. Also fix incorrect assertion."
* tag 'upstream-3.5-rc5' of git://git.infradead.org/linux-ubifs:
UBI: correct usage of IS_ENABLED()
UBIFS: correct usage of IS_ENABLED()
UBIFS: fix assertion
In commit 7a87982420 we added
a wrapper for the WDIOC_GETSTATUS ioctl call. The code results
however in a different behaviour: it returns an error if the
driver doesn't support the status operation. This is not
according to the API that says that when we don't support
the status operation, that we just should return a 0 value.
Only when the device isn't there anymore, we should return an
error.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This patch is to unregister for NMI events upon exit. Also we are now
making the default setting for allow_kdump enabled.
Signed-off-by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
The recent conversion of iTCO_wdt resulted in the driver no longer
getting loaded automatically, since it no longer has a
MODULE_DEVICE_TABLE() included. As the lpc_ich driver now creates a
platform device, auto-loading can easily be done by having a respective
module alias in place.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Pull drm fixes from Dave Airlie:
"Nearly all intel, one missing license header in nouveau, nothing
majorly earth shattering."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
Revert "drm/i915: allow PCH PWM override on IVB"
drm/nouveau: add license header to prime.
drm/i915: Fix eDP blank screen after S3 resume on HP desktops
drm/i915: rip out the PM_IIR WARN
Pull networking update from David Miller:
1) Pairing and deadlock fixes in bluetooth from Johan Hedberg.
2) Add device IDs for AR3011 and AR3012 bluetooth chips. From
Giancarlo Formicuccia and Marek Vasut.
3) Fix wireless regulatory deadlock, from Eliad Peller.
4) Fix full TX ring panic in bnx2x driver, from Eric Dumazet.
5) Revert the two commits that added skb_orphan_try(), it causes
erratic bonding behavior with UDP clients and the gains it used to
give are mostly no longer happening due to how BQL works. From Eric
Dumazet.
6) It took two tries, but Thomas Graf fixed a problem wherein we
registered ipv6 routing procfs files before their backend data were
initialized properly.
7) Fix max GSO size setting in be2net, from Sarveshwar Bandi.
8) PHY device id mask is wrong for KSZ9021 and KS8001 chips, fix from
Jason Wang.
9) Fix use of stale SKB data pointer after skb_linearize() call in
batman-adv, from Antonio Quartulli.
10) Fix memory leak in IXGBE due to missing __GFP_COMP, from Alexander
Duyck.
11) Fix probing of Gobi devices in qmi_wwan usbnet driver, from Bjørn
Mork.
12) Fix suspend/resume and open failure handling in usbnet from Ming
Lei.
13) Attempt to fix device r8169 hangs for certain chips, from Francois
Romieu.
14) Fix advancement of RX dirty pointer in some situations in sh_eth
driver, from Yoshihiro Shimoda.
15) Attempt to fix restart of IPV6 routing table dumps when there is an
intervening table update. From Eric Dumazet.
16) Respect security_inet_conn_request() return value in ipv6 TCP. From
Neal Cardwell.
17) Add another iPAD device ID to ipheth driver, from Davide Gerhard.
18) Fix access to freed SKB in l2tp_eth_dev_xmit(), and fix l2tp lockdep
splats, from Eric Dumazet.
19) Make sure all bridge devices, regardless of whether they were
created via netlink or ioctls, have their rtnetlink ops hooked up.
From Thomas Graf and Stephen Hemminger.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (81 commits)
9p: fix min_t() casting in p9pdu_vwritef()
can: flexcan: use be32_to_cpup to handle the value of dt entry
xen/netfront: teardown the device before unregistering it.
bridge: Assign rtnl_link_ops to bridge devices created via ioctl (v2)
vhost: use USER_DS in vhost_worker thread
ixgbe: Do not pad FCoE frames as this can cause issues with FCoE DDP
net: l2tp_eth: use LLTX to avoid LOCKDEP splats
mac802154: add missed braces
net: l2tp_eth: fix l2tp_eth_dev_xmit race
net/mlx4_en: Release QP range in free_resources
net/mlx4: Use single completion vector after NOP failure
net/mlx4_en: Set correct port parameters during device initialization
ipheth: add support for iPad
caif-hsi: Add missing return in error path
caif-hsi: Bugfix - Piggyback'ed embedded CAIF frame lost
caif: Clear shutdown mask to zero at reconnect.
tcp: heed result of security_inet_conn_request() in tcp_v6_conn_request()
ipv6: fib: fix fib dump restart
batman-adv: fix race condition in TT full-table replacement
batman-adv: only drop packets of known wifi clients
...
Here are some small USB gadget bugfixes, and a few new USB device ids added to
some drivers for the 3.5-rc5 release.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are some small USB gadget bugfixes, and a few new USB device ids
added to some drivers for the 3.5-rc5 release.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'usb-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: CP210x Add 10 Device IDs
USB: option: Add USB ID for Novatel Ovation MC551
usb: phy: Fix Kconfig dependency for Phy drivers
usb-storage: revert commit afff07e61a (Add 090c:1000 to unusal-devs)
SCSI & usb-storage: add try_rc_10_first flag
usb: musb: host: release dma channels if no active io
usb: gadget: lpc32xx_udc: fix build error with debugfs enabled
usb: otg: twl6030-usb: Fix twl writes
USB: option: add id for Cellient MEN-200
usb: dwc3: fix giveback of queued request in ep_dequeue
usb: gadget: Complete fsl qe/udc driver conversion
- omap_hsmmc: Using AUTO_CMD12 (enabled by default in 3.5-rc1) has
been found to cause data corruption on the BeagleBoard, but no
other OMAP boards so far. Revert the patch until there's a root
cause explanation that makes sense, at which point we might
decide to use a blacklist or whitelist.
- mmc_block: Fix incorrect data timeouts for the case of multiblock
(ACMD22) writes for block-addressed cards.
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Merge tag 'mmc-fixes-for-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC fixes from Chris Ball:
- omap_hsmmc: Using AUTO_CMD12 (enabled by default in 3.5-rc1) has
been found to cause data corruption on the BeagleBoard, but no
other OMAP boards so far. Revert the patch until there's a root
cause explanation that makes sense, at which point we might
decide to use a blacklist or whitelist.
- mmc_block: Fix incorrect data timeouts for the case of multiblock
(ACMD22) writes for block-addressed cards.
* tag 'mmc-fixes-for-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
Revert "mmc: omap_hsmmc: Enable Auto CMD12"
mmc: block: fix the data timeout issue with ACMD22
regression fixups. Two NULL pointer dereferences were in the common clk
core due to lack of sanity checking and the third NPD was in the
mxs-specific clock code due to incorrect use of __initdata. The device
regressions were the result of improper data: a wrong string name for
matching DT data broke the SPEAr ethernet controller and another string
matching problem in the mxs clock data resulted in a broken MMC
controller.
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Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux
Pull clk common framework fixes from Mike Turquette:
"This contains three NULL pointer fixes and two device regression
fixups.
Two NULL pointer dereferences were in the common clk core due to lack
of sanity checking and the third NPD was in the mxs-specific clock
code due to incorrect use of __initdata.
The device regressions were the result of improper data: a wrong
string name for matching DT data broke the SPEAr ethernet controller
and another string matching problem in the mxs clock data resulted in
a broken MMC controller."
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux:
clk: mxs: fix clock lookup after freeing init memory
clk: mxs: fix ref_io clock definition
clk: Check parent for NULL in clk_change_rate
clk: Allow late cache allocation for clk->parents
clk: SPEAr600: Fix ethernet clock name for DT based probing
Daniel writes:
"Two tiny patches and one revert:
- Kill a bogus error message introduced in 3.4, further Bspec reading
indicates that this is how the hw is supposed to work.
- Reorder one backlight register restore, fixing broken backlight on some
machines after resume.
- Revert a hack from Jesse for ivb backlight control - it breaks the
backlight controls on my shiny new ivb laptop."
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
Revert "drm/i915: allow PCH PWM override on IVB"
drm/i915: Fix eDP blank screen after S3 resume on HP desktops
drm/i915: rip out the PM_IIR WARN
