These GPIO init and exit functions have no place in platform data, they
should be part of the driver instead,
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
We're currently carrying two 'struct bu21013_platform_device's which
are identical for no apparent reason. Here we remove the extra burden
and apply the same information to the two different instances of the
bu21012_tp driver registration.
[Dmitry Torokhov: picked it up to (hopefully) reduce merge conflict with
bu21013_ts update that follows.]
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Commit 97ee9f01 (ARM: OMAP: fix the ads7846 init code) have enabled the
pendown GPIO debounce time setting by the below sequence:
gpio_request_one()
gpio_set_debounce()
gpio_free()
It also revealed a bug in the OMAP GPIO handling code which prevented
the GPIO debounce clock to be disabled and CORE transition to low power
states.
Commit c9c55d9 (gpio/omap: fix off-mode bug: clear debounce settings on
free/reset) fixes the OMAP GPIO handling code by making sure that the
GPIO debounce clock gets disabled if no GPIO is requested from current
bank.
While fixing the OMAP GPIO handling code (in the right way), the above
commit makes the gpio_request->set_debounce->free sequence invalid as
after freeing the GPIO, the debounce settings are lost.
Fix the debounce settings by moving the debounce initialization to the
actual GPIO requesting code - the ads7846 driver.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The default implementation matches exactly our custom one so we can switch
to using the default one. As a bonus the driver will take care of setting
GPIO line for us.
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge tag 'frv-fixes-20121102' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-frv
Pull FRV fixes from David Howells:
"A collection of small fixes for the FRV architecture."
* tag 'frv-fixes-20121102' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-frv:
frv: fix the broken preempt
frv: switch to saner kernel_execve() semantics
FRV: Fix the new-style kernel_thread() stuff
FRV: Fix the preemption handling
FRV: gcc-4.1.2 also inlines weak functions
FRV: Don't objcopy the GNU build_id note
FRV: Add missing linux/export.h #inclusions
Just get %icc2 into the state we would have after local_irq_disable()
and physical IRQ having happened since then. Then we can simply
use preempt_schedule_irq() and be done with the whole mess.
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
The kernel_thread() changes for FRV don't work, and FRV fails to boot,
starting with:
commit 02ce496f15
Author: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue Sep 18 22:18:51 2012 -0400
Subject: frv: split ret_from_fork, simplify kernel_thread() a lot
The problem is that the userspace registers are completely cleared when a
kernel thread is created and all subsequent user threads are then copied from
that. Unfortunately, however, the TBR and PSR registers are restored from the
pt_regs and the values they should be set to are clobbered by the memset.
Instead, copy across the old user registers as normal, and then merely alter
GR8 and GR9 in it if we're going to execute a kernel thread.
Signed-off-by: David Howells <dhowells@redhat.com>
Fix the preemption handling in FRV code where the PREEMPT_ACTIVE value is
incorrectly loaded into the threadinfo flags rather than the threadinfo
preemption count.
Unfortunately, the code cannot be simply converted to use
preempt_schedule_irq() as is because FRV uses virtual interrupt disablement to
cut down on the cost of actually disabling interrupts and thus
local_irq_enable() doesn't actually enable interrupts.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Al Viro <viro@ZenIV.linux.org.uk>
Don't let objcopy transfer the GNU build_id note into the loadable image as it
is located at address 0 and the image ends up >3G in size.
Signed-off-by: David Howells <dhowells@redhat.com>
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Merge tag 'xtensa-next-20121101' of git://github.com/czankel/xtensa-linux
Pull Xtensa fixes from Chris Zankel:
"Some important bug fixes.
With the change to uapi, there was a bug introduced that results in an
empty syscall table (mult-inclusion bug). Switching to the generic
thread/execve allowed us to fix a bug we had in vfork()."
* tag 'xtensa-next-20121101' of git://github.com/czankel/xtensa-linux:
xtensa: switch to generic sys_execve()
xtensa: switch to generic kernel_execve()
xtensa: switch to generic kernel_thread()
xtensa: reset windowbase/windowstart when cloning the VM
xtensa: use physical addresses for bus addresses
xtensa: allow multi-inclusion for uapi/unistd.h
After commit b3356bf0db (KVM: emulator: optimize "rep ins" handling),
the pieces of io data can be collected and write them to the guest memory
or MMIO together
Unfortunately, kvm splits the mmio access into 8 bytes and store them to
vcpu->mmio_fragments. If the guest uses "rep ins" to move large data, it
will cause vcpu->mmio_fragments overflow
The bug can be exposed by isapc (-M isapc):
[23154.818733] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC
[ ......]
[23154.858083] Call Trace:
[23154.859874] [<ffffffffa04f0e17>] kvm_get_cr8+0x1d/0x28 [kvm]
[23154.861677] [<ffffffffa04fa6d4>] kvm_arch_vcpu_ioctl_run+0xcda/0xe45 [kvm]
[23154.863604] [<ffffffffa04f5a1a>] ? kvm_arch_vcpu_load+0x17b/0x180 [kvm]
Actually, we can use one mmio_fragment to store a large mmio access then
split it when we pass the mmio-exit-info to userspace. After that, we only
need two entries to store mmio info for the cross-mmio pages access
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
As Mukesh explained it, the MMUEXT_TLB_FLUSH_ALL allows the
hypervisor to do a TLB flush on all active vCPUs. If instead
we were using the generic one (which ends up being xen_flush_tlb)
we end up making the MMUEXT_TLB_FLUSH_LOCAL hypercall. But
before we make that hypercall the kernel will IPI all of the
vCPUs (even those that were asleep from the hypervisor
perspective). The end result is that we needlessly wake them
up and do a TLB flush when we can just let the hypervisor
do it correctly.
This patch gives around 50% speed improvement when migrating
idle guest's from one host to another.
Oracle-bug: 14630170
CC: stable@vger.kernel.org
Tested-by: Jingjie Jiang <jingjie.jiang@oracle.com>
Suggested-by: Mukesh Rathor <mukesh.rathor@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Use the new __HVC macro in hypercall.S.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Bug fixes for a number of ARM platforms, mostly OMAP, imx and at91.
These come a little later than I had hoped but unfortunately we
had a few of these patches cause regressions themselves and had to
work out how to deal with those in the meantime.
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Merge tag 'fixes-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc fixes from Arnd Bergmann:
"Bug fixes for a number of ARM platforms, mostly OMAP, imx and at91.
These come a little later than I had hoped but unfortunately we had a
few of these patches cause regressions themselves and had to work out
how to deal with those in the meantime."
* tag 'fixes-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
Revert "ARM i.MX25: Fix PWM per clock lookups"
ARM: versatile: fix versatile_defconfig
ARM: mvebu: update defconfig with 3.7 changes
ARM: at91: fix at91x40 build
ARM: socfpga: Fix socfpga compilation with early_printk() enabled
ARM: SPEAr: Remove unused empty files
MAINTAINERS: Add arm-soc tree entry
ARM: dts: mxs: add the "clock-names" for gpmi-nand
ARM: ux500: Correct SDI5 address and add some format changes
ARM: ux500: Specify AMBA Primecell IDs for Nomadik I2C in DT
ARM: ux500: Fix build error relating to IRQCHIP_SKIP_SET_WAKE
ARM: at91: drop duplicated config SOC_AT91SAM9 entry
ARM: at91/i2c: change id to let i2c-at91 work
ARM: at91/i2c: change id to let i2c-gpio work
ARM: at91/dts: at91sam9g20ek_common: Fix typos in buttons labels.
ARM: at91: fix external interrupt specification in board code
ARM: at91: fix external interrupts in non-DT case
ARM: at91: at91sam9g10: fix SOC type detection
ARM: at91/tc: fix typo in the DT document
ARM: AM33XX: Fix configuration of dmtimer parent clock by dmtimer driverDate:Wed, 17 Oct 2012 13:55:55 -0500
...
This reverts commit 92063cee11, it
was applied prematurely, causing this build error for
imx_v4_v5_defconfig:
arch/arm/mach-imx/clk-imx25.c: In function 'mx25_clocks_init':
arch/arm/mach-imx/clk-imx25.c:206:26: error: 'pwm_ipg_per' undeclared (first use in this function)
arch/arm/mach-imx/clk-imx25.c:206:26: note: each undeclared identifier is reported only once for each function it appears in
Sascha Hauer explains:
> There are several gates missing in clk-imx25.c. I have a patch which
> adds support for them and I seem to have missed that the above depends
> on it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
With the introduction of CONFIG_ARCH_MULTIPLATFORM, versatile is
no longer the default platform, so we need to enable
CONFIG_ARCH_VERSATILE explicitly in order for that to be selected
rather than the multiplatform configuration.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The split of 370 and XP into two Kconfig options and the multiplatform
kernel support has changed a few Kconfig symbols, so let's update the
mvebu_defconfig file with the latest changes.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
patch 738a0fd7 "ARM: at91: fix external interrupts in non-DT case"
fixed a run-time error on some at91 platforms but did not apply
the same change to at91x40, which now doesn't build.
This changes at91x40 in the same way that the other platforms
were changed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Here is one patch, a revert of a omap serial driver patch that was causing
problems, for your 3.7-rc tree.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial fix from Greg Kroah-Hartman:
"Here is one patch, a revert of a omap serial driver patch that was
causing problems, for your 3.7-rc tree.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'tty-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "serial: omap: fix software flow control"
Pull DMA-mapping revert from Marek Szyprowski:
"Due to my mistake, my previous pull request (merged as commit
cff7b8ba60e3: "Merge branch 'fixes_for_linus' ..") contained a patch
which is aimed for v3.8 and lacks its dependences. This pull request
reverts it and fixes build break of ARM architecture."
* 'fixes_for_linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
Revert "ARM: dma-mapping: support debug_dma_mapping_error"
Pull x86 fixes from Ingo Molnar:
"This fixes a couple of nasty page table initialization bugs which were
causing kdump regressions. A clean rearchitecturing of the code is in
the works - meanwhile these are reverts that restore the
best-known-working state of the kernel.
There's also EFI fixes and other small fixes."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, mm: Undo incorrect revert in arch/x86/mm/init.c
x86: efi: Turn off efi_enabled after setup on mixed fw/kernel
x86, mm: Find_early_table_space based on ranges that are actually being mapped
x86, mm: Use memblock memory loop instead of e820_RAM
x86, mm: Trim memory in memblock to be page aligned
x86/irq/ioapic: Check for valid irq_cfg pointer in smp_irq_move_cleanup_interrupt
x86/efi: Fix oops caused by incorrect set_memory_uc() usage
x86-64: Fix page table accounting
Revert "x86/mm: Fix the size calculation of mapping tables"
MAINTAINERS: Add EFI git repository location
Pull perf fixes from Ingo Molnar:
"Most of the kernel diffstat relates to a group of Intel P6 and KNC
(Xeon-Phi Knights Corner) PMU driver fixes, neither of which is in
heavy use, so we took the fixes.
The rest is diverse smallish fixes to the tooling and kernel side."
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Remove unused variable in nhmex_rbox_alter_er()
perf/x86: Enable overflow on Intel KNC with a custom knc_pmu_handle_irq()
perf/x86: Remove cpuc->enable check on Intl KNC event enable/disable
perf/x86: Make Intel KNC use full 40-bit width of counters
perf/x86/uncore: Handle pci_read_config_dword() errors
perf/x86: Remove P6 cpuc->enabled check
perf/x86: Update/fix generic events on P6 PMU
perf/x86: Fix P6 FP_ASSIST event constraint
perf, cpu hotplug: Use cached value of smp_processor_id()
perf, cpu hotplug: Run CPU_STARTING notifiers with irqs disabled
x86/perf: Fix virtualization sanity check
perf test: Fix exclude_guest parse events tests
perf tools: do not flush maps on COMM for perf report
perf help: Fix --help for builtins
perf trace: Check if sample raw_data field is set
perf trace: Validate syscall id before growing syscall table
From Kukjin Kim <kgene.kim@samsung.com>:
One is spi stuff for fix the device names for the different subtypes of
the spi controller. And the other is adding missing .smp field for
exynos4-dt and fixing memory sections for exynos4210-trats board.
* 'v3.7-samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Set .smp field of machine descriptor for exynos4-dt
ARM: dts: Split memory into 4 sections for exynos4210-trats
ARM: SAMSUNG: Add naming of s3c64xx-spi devices
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This reverts commit 871ae57adc, which is
scheduled for v3.8 and accidently got into v3.7-rc series.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Pull ARM fixes from Russell King:
"A random collection of various fixes, mainly from Arnd and a few other
people. Not thing really stands out here."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: drop experimental status for hotplug and Thumb2
ARM: 7560/1: SMP_TWD: use DIV_ROUND_CLOSEST() for periodic mode
ARM: 7559/1: smp: switch away from the idmap before updating init_mm.mm_count
ARM: 7556/1: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD
ARM: 7555/1: kexec: fix segment memory addresses check
ARM: warnings in arch/arm/include/asm/uaccess.h
ARM: binfmt_flat: unused variable 'persistent'
ARM: be really quiet when building with 'make -s'
ARM: pass -marm to gcc by default for both C and assembler
ARM: Xen: fix initial build problems
ARM: export default read_current_timer
ARM: Fix another build warning in arch/arm/mm/alignment.c
ARM: export set_irq_flags
ARM: kprobes: make more tests conditional
Pull CMA and DMA-mapping fixes from Marek Szyprowski:
"This consists mainly of a set of one-liner fixes and cleanups for a
few minor issues identified in both Contiguous Memory Allocator code
and ARM DMA-mapping subsystem."
* 'fixes_for_linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
ARM: mm: Remove unused arm_vmregion priv field
ARM: dma-mapping: fix build warning in __dma_alloc()
ARM: dma-mapping: support debug_dma_mapping_error
mm: cma: alloc_contig_range: return early for err path
drivers: cma: Fix wrong CMA selected region size default value
drivers: dma-coherent: Fix typo in dma_mmap_from_coherent documentation
drivers: dma-contiguous: Don't redefine SZ_1M
Commit
844ab6f9 x86, mm: Find_early_table_space based on ranges that are actually being mapped
added back some lines back wrongly that has been removed in commit
7b16bbf97 Revert "x86/mm: Fix the size calculation of mapping tables"
remove them again.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/CAE9FiQW_vuaYQbmagVnxT2DGsYc=9tNeAbdBq53sYkitPOwxSQ@mail.gmail.com
Acked-by: Jacob Shin <jacob.shin@amd.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
When we copy a user thread with CLONE_VM, we also have to reset
windowbase and windowstart to start a pristine stack frame. Otherwise,
overflows can happen using the address 0 as the stack pointer.
Also add a special case for vfork, which continues on the
parent stack until it calls execve. Because this could be a call8, we
need to spill the stack pointer of the previus frame (if still 'live' in
the register file).
Signed-off-by: Chris Zankel <chris@zankel.net>
Xtensa implements a method that allows to generate a arbitrary output
for each system call by defining the __SYSCALL(number, function, num_args).
This usually requires to include uapi/unistd.h twice. Instead of removing
the guard agains multiple inclusion entirely, allow to include unistd.h again
only if __SYSCALL is defined. Note that __SYSCALL gets always undefined at
the end of the file.
Signed-off-by: Chris Zankel <chris@zankel.net>
When 32-bit EFI is used with 64-bit kernel (or vice versa), turn off
efi_enabled once setup is done. Beyond setup, it is normally used to
determine if runtime services are available and we will have none.
This will resolve issues stemming from efivars modprobe panicking on a
32/64-bit setup, as well as some reboot issues on similar setups.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=45991
Reported-by: Marko Kohtala <marko.kohtala@gmail.com>
Reported-by: Maxim Kammerer <mk@dee.su>
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: stable@kernel.org # 3.4 - 3.6
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
This fixes early_printk() compilation for
socfpga. (senduart/busyuart/waituart were missing). It does that by
making Picochip code generic.
Signed-off-by: Pavel Machek <pavel@denx.de>
Acked-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Few empty files (spear1310_misc_regs.h and spear1340_misc_regs.h) are created by
commit b31e23726 "SPEAr13xx: Add header files".
Don't know how they got added, obviously my fault :)
But nobody could even catch them in reviews.
Remove them.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
mux and pinctrl fixes, and Beagle OPP fix.
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Merge tag 'omap-for-v3.7-rc2/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren <tony@atomide.com>:
Timer fix for am33xx, runtime PM fix for UART, audio McBSP fixes,
mux and pinctrl fixes, and Beagle OPP fix.
* tag 'omap-for-v3.7-rc2/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: AM33XX: Fix configuration of dmtimer parent clock by dmtimer driverDate:Wed, 17 Oct 2012 13:55:55 -0500
ARM: OMAP3: Beagle: fix OPP customization and initcall ordering
ARM: OMAP3: Fix 3430 legacy mux names for ssi1 signals.
ARM: OMAP2+: Fix location of select PINCTRL
ARM/dts: omap3: Fix mcbsp2/3 hwmods to be able to probe the drivers for audio
ARM: OMAP2: UART: fix console UART mismatched runtime PM status
ARM: OMAP3: PM: apply part of the erratum i582 workaround
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The most important ones are a duplicated definition of a Kconfig
variable and the handling of external interrupts for non-DT case.
The new at91sam9g10 was suffering a recognition issue due to an ID
mis-interpreted: this was leading to a kernel panic.
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Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into fixes
From Nicolas Ferre <nicolas.ferre@atmel.com>:
A mix of typos and critical fixes.
The most important ones are a duplicated definition of a Kconfig
variable and the handling of external interrupts for non-DT case.
The new at91sam9g10 was suffering a recognition issue due to an ID
mis-interpreted: this was leading to a kernel panic.
* tag 'at91-fixes' of git://github.com/at91linux/linux-at91: (257 commits)
ARM: at91: drop duplicated config SOC_AT91SAM9 entry
ARM: at91/i2c: change id to let i2c-at91 work
ARM: at91/i2c: change id to let i2c-gpio work
ARM: at91/dts: at91sam9g20ek_common: Fix typos in buttons labels.
ARM: at91: fix external interrupt specification in board code
ARM: at91: fix external interrupts in non-DT case
ARM: at91: at91sam9g10: fix SOC type detection
ARM: at91/tc: fix typo in the DT document
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The current DT nodes for mx23/mx28 miss the `clocks-names` item for gpmi-nand.
So the gpmi-nand driver could not find the proper clock.
This patch fixes this issue.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Here we fix a simple copy and paste error and bring some node
spaces back into line with the remainder of the tree.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Now the Nomadik I2C driver has been converted to an AMBA one, we
are required to provide the Primecell IDs via platform code. When
booting with DT enabled these have to be specified in the device
nodes. We do that here.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Lee Jones