In general it is wise to clear interrupts before processing them. If
you don't do that, you can get:
1. Interrupt happens
2. You look at system state and process interrupt
3. A new interrupt happens
4. You clear interrupt without processing it.
This patch was actually a first attempt to fix missing device insertions
as described in (usb: dwc2: host: Fix missing device insertions) and it
did solve some of the signal bouncing problems but not all of
them (which is why I submitted the other patch). Specifically, this
patch itself would sometimes change:
1. hardware sees connect
2. hardware sees disconnect
3. hardware sees connect
4. dwc2_port_intr() - clears connect interrupt
5. dwc2_handle_common_intr() - calls dwc2_hcd_disconnect()
...to:
1. hardware sees connect
2. hardware sees disconnect
3. dwc2_port_intr() - clears connect interrupt
4. hardware sees connect
5. dwc2_handle_common_intr() - calls dwc2_hcd_disconnect()
...but with different timing then sometimes we'd still miss cable
insertions.
In any case, though this patch doesn't fix any (known) problems, it
still seems wise as a general policy to clear interrupt before handling
them.
Note that for dwc2_handle_usb_port_intr(), instead of moving the clear
of PRTINT to the beginning of the function we remove it completely. The
only way to clear PRTINT is to clear the sources that set it in the
first place.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The dwc2_hcd_reset_func() function is only ever called directly by a
delayed work function. As such no locks are already held when the
function is called.
Doing a read-modify-write of CPU registers and setting fields in the
main hsotg data structure is a bad idea without locks. Let's add
locks.
The bug was found by code inspection only. It turns out that the
dwc2_hcd_reset_func() is only ever called today if the
"host_support_fs_ls_low_power" parameter is enabled and no code in
mainline enables that parameter. Thus no known issues in mainline are
fixed by this patch, but it's still probably wise to fix the function.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Some USB phy drivers have different handling for the controller in each
dr_mode. But the phy driver does not have visibility to the dr_mode of
the controller.
This adds an api to return the dr_mode of the controller which
associates the given phy node.
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Since now, we may have more than one request during the test, and
it is better we just quit once the error occurs instead of try
queueing further requests.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Suggested-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Since composite now overwrites bcdUSB for any gadget, remove
setting it in legacy gadgets. All legacy gadgets set 0x0200, the
same as the value additionally set by composite, so there is no
behaviour change.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Rebase onto current balbi/next
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
In some cases, like when you've got a "Microsoft Wireless Keyboard 2000"
connected to dwc2 with a hub, expected that we'll get some transfer
errors sometimes. The controller is expected to try at least 3 times
before giving up. See figure "Figure A-67. Normal HS CSPLIT 3 Strikes
Smash" in the USB spec.
The dwc2 controller has a way to support this by using the "EC_MC"
field. The Raspberry Pi driver has logic for setting this right. See
fiq_fsm_queue_split_transaction() in their "dwc_otg_hcd.c". Let's use
the same logic.
After making this change, we no longer get dropped characters from the
above mentioned keyboard. Other devices on the same bus as the keyboard
also behave more properly.
Thanks for Julius Werner for the expert analysis and suggestions.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
If you've got your interrupt signals bouncing a bit as you insert your
USB device, you might end up in a state when the device is connected but
the driver doesn't know it.
Specifically, the observed order is:
1. hardware sees connect
2. hardware sees disconnect
3. hardware sees connect
4. dwc2_port_intr() - clears connect interrupt
5. dwc2_handle_common_intr() - calls dwc2_hcd_disconnect()
Now you'll be stuck with the cable plugged in and no further interrupts
coming in but the driver will think we're disconnected.
We'll fix this by checking for the missing connect interrupt and
re-connecting after the disconnect is posted. We don't skip the
disconnect because if there is a transitory disconnect we really want to
de-enumerate and re-enumerate.
Notes:
1. As part of this change we add a "force" parameter to
dwc2_hcd_disconnect() so that when we're unloading the module we
avoid the new behavior. The need for this was pointed out by John
Youn.
2. The bit of code needed at the end of dwc2_hcd_disconnect() is
exactly the same bit of code from dwc2_port_intr(). To avoid
duplication, we refactor that code out into a new function
dwc2_hcd_connect().
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: John Youn <johnyoun@synopsys.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Support hisilicon,hi6220-usb for HiKey board
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Kmem caches help to get correct boundary for descriptor buffers
which need to be 512 bytes aligned for dwc2 controller.
Two kmem caches are needed for generic descriptors and for
hs isochronous descriptors which doesn't have same size.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Masks for HCDMA.CTD and HCDMA.DMAAddr are incorrect. As we always
start from first descriptor, no need to mask the address anyway.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Use Streaming DMA mappings to handle cache coherency of frame list and
descriptor list. Cache are always flushed before controller access it
or before cpu access it.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
As descriptor dma mode does not support split transfers, it can't be
enabled for high speed devices. Add a core parameter to enable it for
full speed devices.
Ensure frame list and descriptor list are correctly freed during
disconnect.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
timeval is deprecated and not y2038 safe. Its size also changes according
to 32 bit/ 64 bit compilation. Replace it with 32 and 64 bit versions of
its individual fields, giving two ioctls with different code values.
The two ioctls are necessary to maintain the 32 bit and 64 bit userspace
compatibility with a 64/32 bit kernel.
Change unsigned to __u32 types for a definitive userspace interface.
This is in accordance with the psABI that the unsigned type is always
32 bits.
Also use motonic timer instead of real time to ensure positive delta
values.
Refactor usbtest_ioctl for readability to isolate the handling of the
testing timing measurement.
The official testusb userspace tool can be changed in a separate patch
to reflect the __u32 changes as well. It can use the usbtest_param_32
struct, since 32 bit seconds is long enough for test durations.
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Remove unnecessary headers and variables.
Reviewed-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This function is shared between gadget functions, so this avoid unnecessary
duplicated code and potentially avoid memory leaks.
Reviewed-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This code is duplicated from f_midi_start_ep(midi, f, midi->out_ep).
Reviewed-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch modifies the ep.caps.type_{iso,bulk,int} setting and
the second argument of usb_ep_maxpacket_limit() using
the dparam.pipe_configs.
In the previous code, all the type_{iso,bulk,int} were set to true.
However, to avoid waste time for finding suitable pipe in usb_ep_enable(),
this driver should set correct type.
Also the second argument of usb_ep_maxpacket_limit() was set to 512
even if the pipe is isochronous or interrupt. So, this driver could
not bind a gadget driver like the g_audio driver.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The current code has info->bufnmb_last to calculate the BUFNMB bits of
PIPEBUF register. However, since the bufnmb_last is initialized in
the usbhs_pipe_init() only, this driver is possible to set unexpected
value to the register if usb_ep_{enable,disable}() are called many times.
So, this patch modifies the pipe configuration via struct
renesas_usbhs_driver_param to simplify the code. Also this patch changes:
- a double buffer configuration
- isochronous buffer size from 512 to 1024
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Process all completed urbs, if more urbs are complete by the time
driver processes completion interrupt.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
When releasing a channel, increment hsotg->available_host_channels even
in case a periodic channel is released.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Isochronous descriptor is currently programmed for the frame
after the last descriptor was programmed.
If the last descriptor frame underrun, then current descriptor must
take this into account and must be programmed on the current frame + 1.
This overrun usually happens when system is loaded and dwc2 can't init
descriptor list in time.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This function allow comparing frame index used for
descriptor list which has 64 entries.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Prevent dwc2 driver from accessing channel while it frees it.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
When completing non isoc xfer, dwc2_complete_non_isoc_xfer_ddma()
is relying on qtd->n_desc to process the corresponding number of
descriptors.
During the processing of these descriptors, qtd could be unlinked
and freed if xfer is done and urb is no more in progress.
In this case, dwc2_complete_non_isoc_xfer_ddma() will read again
qtd->n_desc whereas qtd has been freed. This will lead to unpredictable
results since qtd->n_desc is no more valid value.
To avoid this error, return a result != 0 in dwc2_process_non_isoc_desc(),
so that dwc2_complete_non_isoc_xfer_ddma() stops desc processing.
This has been seen with Slub debug enabled.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
When a channel is halted because of urb dequeue during transfer
completion, no other qtds must be scheduled until halt is done.
Moreover, all in progress qtds must be given back.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Active bit must be enabled in all scheduled descriptors. Else transfer
never start.
Remove previous code which was not correctly configuring descriptors.
Active bit was set before calling dwc2_fill_host_isoc_dma_desc() which
is erasing dma_desc->status.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Increment qtd->isoc_frame_index_last before testing it, else below
check will never be true and IOC (Interrupt On Complete) bit for
last frame will never be set in descriptor status.
/* Set IOC for each descriptor corresponding to last frame of URB */
if (qtd->isoc_frame_index_last == qtd->urb->packet_count)
dma_desc->status |= HOST_DMA_IOC;
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Now the function of complicated_callback is not only used for iso
transfer, improve the error message to reflect it.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Add both bulk and iso depth of queue for sourcesink.
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Add queue depth for both iso and bulk transfer, with more queues, we
can do performance and stress test using sourcesink, and update g_zero
accordingly.
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Now that we have a generic dwc3-of-simple.c, we can
use that instead of maintaining dwc3-qcom.c which is
extremely similar.
Cc: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
For simple platforms which merely enable some clocks
and populate its children, we can use this generic
glue layer to avoid boilerplate code duplication.
For now this supports Qcom and Xilinx, but if we
find a way to add generic handling of regulators and
optional PHYs, we can absorb exynos as well.
Tested-by: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
It just ocurred to me that dwc3 already gives a
really hint of when a setup packet is pending and
that's the SETUP_PENDING TRB Status for EP0 IRQs.
Fix setup_packet_pending initialization based on
that. While at that, also make sure the comment in
gadget.c matches what code is doing.
Signed-off-by: Felipe Balbi <balbi@ti.com>
In dwc3_cleanup_done_reqs() we expect that all
iterations of our while (1) loop will find a valid
struct dwc3_request *. In case we don't, we're
dumping a WARN_ON_ONCE() splat so that people report
the failure.
This patch is a simple cleanup converting:
if (!req) {
WARN_ON_ONCE(1);
return 1;
}
to:
if (WARN_ON_ONCE(!req))
return 1;
which is a little easier to read.
Signed-off-by: Felipe Balbi <balbi@ti.com>
The last few dev_dbg() messages are converted to
tracepoints and we can finally ignore dev_dbg()
messages during debug sessions.
Signed-off-by: Felipe Balbi <balbi@ti.com>
The last few dev_dbg() messages are converted to
tracepoints and we can finally ignore dev_dbg()
messages during debug sessions.
Signed-off-by: Felipe Balbi <balbi@ti.com>
The last few dev_dbg() messages are converted to
tracepoints and we can finally ignore dev_dbg()
messages during debug sessions.
Signed-off-by: Felipe Balbi <balbi@ti.com>
By moving our sanity checks our internal function
__dwc3_gadget_ep_queue() we can simplify the
externally visible API while also making sure that
callers of __dwc3_gadget_ep_queue() also make use of
the same checks.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Jan Stancek reported that I wrecked things for him by fixing things for
Vladimir :/
His report was due to an UNINTERRUPTIBLE wait getting -EINTR, which
should not be possible, however my previous patch made this possible by
unconditionally checking signal_pending().
We cannot use current->state as was done previously, because the
instruction after the store to that variable it can be changed. We must
instead pass the initial state along and use that.
Fixes: 68985633bc ("sched/wait: Fix signal handling in bit wait helpers")
Reported-by: Jan Stancek <jstancek@redhat.com>
Reported-by: Chris Mason <clm@fb.com>
Tested-by: Jan Stancek <jstancek@redhat.com>
Tested-by: Vladimir Murzin <vladimir.murzin@arm.com>
Tested-by: Chris Mason <clm@fb.com>
Reviewed-by: Paul Turner <pjt@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: tglx@linutronix.de
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: hpa@zytor.com
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull timer fixlets from Thomas Gleixner:
"Two trivial fixes which add missing header fileas and forward
declarations so the code will compile even when the magic include
chains are different"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3: Add missing include for barrier.h
irqchip/gic-v3: Add missing struct device_node declaration
Pull timer fix from Thomas Gleixner:
"A single fix to unbreak a clocksource driver which has more than 32bit
counter width"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: Mmio: remove artificial 32bit limitation
Only 2 small fpga driver fixes here, both have been in linux-next for a
while, and resolve some reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull fpga driver fixes from Greg KH:
"Only two small fpga driver fixes here, both have been in linux-next
for a while, and resolve some reported issues"
* tag 'char-misc-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
fpga manager: Fix firmware resource leak on error
fpga manager: remove label
Here are a few staging and IIO driver fixes for 4.4-rc5.
All of them resolve reported problems and have been in linux-next for a
while. Nothing major here, just small fixes where needed.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are a few staging and IIO driver fixes for 4.4-rc5.
All of them resolve reported problems and have been in linux-next for
a while. Nothing major here, just small fixes where needed"
* tag 'staging-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: lustre: echo_copy.._lsm() dereferences userland pointers directly
iio: adc: spmi-vadc: add missing of_node_put
iio: fix some warning messages
iio: light: apds9960: correct ->last_busy count
iio: lidar: return -EINVAL on invalid signal
staging: iio: dummy: complete IIO events delivery to userspace
Here are a number of small USB fixes for 4.4-rc5. All of them have been
in linux-next. The majority are gadget and phy issues, with a few new
quirks and device ids added as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are a number of small USB fixes for 4.4-rc5. All of them have
been in linux-next. The majority are gadget and phy issues, with a
few new quirks and device ids added as well"
* tag 'usb-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (32 commits)
USB: add quirk for devices with broken LPM
xhci: fix usb2 resume timing and races.
usb: musb: fail with error when no DMA controller set
usb: gadget: uvc: fix permissions of configfs attributes
usb: musb: core: Fix pm runtime for deferred probe
usb: phy: msm: fix a possible NULL dereference
USB: host: ohci-at91: fix a crash in ohci_hcd_at91_overcurrent_irq
usb: Quiet down false peer failure messages
usb: xhci: fix config fail of FS hub behind a HS hub with MTT
xhci: Fix memory leak in xhci_pme_acpi_rtd3_enable()
usb: Use the USB_SS_MULT() macro to decode burst multiplier for log message
USB: whci-hcd: add check for dma mapping error
usb: core : hub: Fix BOS 'NULL pointer' kernel panic
USB: quirks: Apply ALWAYS_POLL to all ELAN devices
usb-storage: Fix scsi-sd failure "Invalid field in cdb" for USB adapter JMicron
USB: quirks: Fix another ELAN touchscreen
usb: dwc3: gadget: don't prestart interrupt endpoints
USB: serial: Another Infineon flash loader USB ID
USB: cdc_acm: Ignore Infineon Flash Loader utility
USB: cp210x: Remove CP2110 ID from compatibility list
...
Here are a bunch of small bug fixes for various ARM platforms, nothing
really sticks out this week, most of either fixes bugs in code that was
just added in 4.4, or that has been broken for many years without anyone
noticing.
at91/sama5d2
- fix sama5de hardware setup of sd/mmc interface
- proper selection of pinctrl drivers. PIO4 is necessary for sama5d2
berlin
- fix incorrect clock input for SDIO
exynos
- Fix potential NULL pointer dereference in Exynos PMU driver.
imx
- Fix vf610 SAI clock configuration bug which is discovered by
the newly added master mode support in SAI audio driver.
- Fix buggy L2 cache latency values in vf610 device trees, which may
cause system hang when cpu runs at a higher frequency.
ixp4xx
- fix prototypes for readl/writel functions
ls2080a
- use little-endian register access for GPIO and SDHCI
omap
- Fix clock source for ARM TWD and global timers on am437x
- Always select REGULATOR_FIXED_VOLTAGE for omap2+ instead of
when MACH_OMAP3_PANDORA is selected
- Fix SPI DMA handles for dm816x as only some were mapped
- Fix up mbox cells for dm816x to make mailbox usable
pxa
- use PWM lookup table for all ezx machines
s3c24xx
- Remove incorrect __init annotation from s3c24xx cpufreq driver structures.
versatile
- fix PCI IRQ mapping on Versatile PB
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"Here are a bunch of small bug fixes for various ARM platforms, nothing
really sticks out this week, most of either fixes bugs in code that
was just added in 4.4, or that has been broken for many years without
anyone noticing.
at91/sama5d2:
- fix sama5de hardware setup of sd/mmc interface
- proper selection of pinctrl drivers. PIO4 is necessary for sama5d2
berlin:
- fix incorrect clock input for SDIO
exynos:
- Fix potential NULL pointer dereference in Exynos PMU driver.
imx:
- Fix vf610 SAI clock configuration bug which is discovered by the
newly added master mode support in SAI audio driver.
- Fix buggy L2 cache latency values in vf610 device trees, which may
cause system hang when cpu runs at a higher frequency.
ixp4xx:
- fix prototypes for readl/writel functions
ls2080a:
- use little-endian register access for GPIO and SDHCI
omap:
- Fix clock source for ARM TWD and global timers on am437x
- Always select REGULATOR_FIXED_VOLTAGE for omap2+ instead of when
MACH_OMAP3_PANDORA is selected
- Fix SPI DMA handles for dm816x as only some were mapped
- Fix up mbox cells for dm816x to make mailbox usable
pxa:
- use PWM lookup table for all ezx machines
s3c24xx:
- Remove incorrect __init annotation from s3c24xx cpufreq driver
structures.
versatile:
- fix PCI IRQ mapping on Versatile PB"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ls2080a/dts: Add little endian property for GPIO IP block
dt-bindings: define little-endian property for QorIQ GPIO
ARM64: dts: ls2080a: fix eSDHC endianness
ARM: dts: vf610: use reset values for L2 cache latencies
ARM: pxa: use PWM lookup table for all machines
ARM: dts: berlin: add 2nd clock for BG2Q sdhci0 and sdhci1
ARM: dts: berlin: correct BG2Q's sdhci2 2nd clock
ARM: dts: am4372: fix clock source for arm twd and global timers
ARM: at91: fix pinctrl driver selection
ARM: at91/dt: add always-on to 1.8V regulator
ARM: dts: vf610: fix clock definition for SAI2
ARM: imx: clk-vf610: fix SAI clock tree
ARM: ixp4xx: fix read{b,w,l} return types
irqchip/versatile-fpga: Fix PCI IRQ mapping on Versatile PB
ARM: OMAP2+: enable REGULATOR_FIXED_VOLTAGE
ARM: dts: add dm816x missing spi DT dma handles
ARM: dts: add dm816x missing #mbox-cells
cpufreq: s3c24xx: Do not mark s3c2410_plls_add as __init
ARM: EXYNOS: Fix potential NULL pointer access in exynos_sys_powerdown_conf
- opal-irqchip: Fix double endian conversion from Alistair Popple
- cxl: Set endianess of kernel contexts from Frederic Barrat
- sbc8641: drop bogus PHY IRQ entries from DTS file from Paul Gortmaker
- Revert "powerpc/eeh: Don't unfreeze PHB PE after reset" from Andrew Donnellan
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Merge tag 'powerpc-4.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- opal-irqchip: Fix double endian conversion from Alistair Popple
- cxl: Set endianess of kernel contexts from Frederic Barrat
- sbc8641: drop bogus PHY IRQ entries from DTS file from Paul Gortmaker
- Revert "powerpc/eeh: Don't unfreeze PHB PE after reset" from Andrew
Donnellan
* tag 'powerpc-4.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
Revert "powerpc/eeh: Don't unfreeze PHB PE after reset"
powerpc/sbc8641: drop bogus PHY IRQ entries from DTS file
cxl: Set endianess of kernel contexts
powerpc/opal-irqchip: Fix double endian conversion
