Add R-Mobile A1 R8A7740 SoC to the list of compatible values for the CEU
unit.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
There are two places pointing to an unexisting "m.chehab@kernel.org"
email. I never had such email, so, I'm unsure how it ends there.
Anyway, it is plain wrong.
While here, use my canonical e-mail on a bunch of places that
are pointing to another e-mail. The idea is that, from now on,
all places will be pointing to the same SMTP server.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Right now, there are two mutexes serializing r/w ops: one "generic"
and another one specifically for stream on/off.
Clean it a little bit, getting rid of one of the mutexes.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
As warned by gcc:
drivers/media/tuners/qm1d1b0004.c:62:39: warning: 'default_cfg' defined but not used [-Wunused-const-variable=]
static const struct qm1d1b0004_config default_cfg = {
^~~~~~~~~~~
This var is currently unused. So, comment it out.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The isp stat driver allocates memory for DMA and uses GFP_DMA flag for
dev_alloc_coherent. The flag is no longer needed as the DMA mask is used
for the purpose. Remove it.
Reported-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The omap3isp driver checked whether the second argument (the new
configuration) to the ISP statistics is NULL. This is the pointer to the
user-given argument and is never NULL. Remove the check.
Reported-by: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
C libraries with 64-bit time_t use an incompatible format for
struct omap3isp_stat_data. This changes the kernel code to
support either version, by moving over the normal handling
to the 64-bit variant, and adding compatiblity code to handle
the old binary format with the existing ioctl command code.
Fortunately, the command code includes the size of the structure,
so the difference gets handled automatically. In the process of
eliminating the references to 'struct timeval' from the kernel,
I also change the way the timestamp is generated internally,
basically by open-coding the v4l2_get_timestamp() call.
[Sakari Ailus: Alphabetical order of headers, clean up compat code]
Cc: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This change fixes function types for media device ioctls to avoid
indirect call mismatches with Control-Flow Integrity checking.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
A burst_size of 4 does not work for the 16 bit passthrough formats, so
we use 8 instead.
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Since commit 50b0f0aee8 ("gpu: ipu-csi: add 10/12-bit grayscale
support to mbus_code_to_bus_cfg") the IPU CSI can be configured to
capture 10-bit and 12-bit grayscale formats, expanded to 16-bit
grayscale, in bayer/generic data mode.
This patch adds support for V4L2_PIX_FMT_Y16 captured from sensors
that provide MEDIA_BUS_FMT_Y10_1X10 or MEDIA_BUS_FMT_Y12_1X12 data.
Cc: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This reverts 8b0e195314, because media-tree drivers should use the
API functions to initialize variables of type ktime_t.
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
In commit 20a63349b1 a new variable ktime_t delay has been added.
We decided to use the API functions to initialize ktime_t variables
within media-tree. Thus variable delay needs to be initialized with
ktime_set() instead of setting it directly.
Signed-off-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
pvrusb2-video-v4l.h only declares pvr2_saa7115_subdev_update and
includes pvrusb2-hdw-internal.h. pvrusb2-cx2584x-v4l.c does not
use pvr2_saa7115_subdev_update and it explicitly includes
pvrusb2-hdw-internal.h.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This issue was reported by a user who downloaded a corrupt saa7164
firmware, then went looking for a valid xc5000 firmware to fix the
error displayed...but the device in question has no xc5000, thus after
much effort, the wild goose chase eventually led to a support call.
The xc5000 has nothing to do with saa7164 (as far as I can tell),
so replace the string with saa7164 as well as give a meaningful
hint on the firmware mismatch.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The renesas-ceu driver intializes the desired mbus_format at 'complete'
time, inspecting the supported subdevice ones, and tuning some
parameters to produce the requested memory format from what the sensor
can produce. Although, the initially selected mbus_format was not
provided to the subdevice during set_fmt and try_fmt operations,
providing instead a '0' mbus format code.
As long as the sensor defaults to a compatible mbus_format when an
invalid code as '0' is provided, capture operations work correctly. If
the subdevice defaults to an unsupported format (eg. some RGB
permutations) capture does not work properly due to a mismatch on the
expected and received image format on the wire.
Fix that by re-using the initially selected mbus_format code during
set_fmt and try_fmt subdevice operation calls.
Tested by printing out the format selection procedure with ov7670
sensor.
Before this patch:
[ 0.866001] ov7670_try_fmt_internal -- Looking for mbus_code 0x0000
[ 0.870882] ov7670_try_fmt_internal -- Try mbus_code 0x2008
[ 0.876336] ov7670_try_fmt_internal -- Try mbus_code 0x1002
[ 0.881387] ov7670_try_fmt_internal -- Try mbus_code 0x1008
[ 0.886537] ov7670_try_fmt_internal -- Try mbus_code 0x3001
[ 0.891584] ov7670_try_fmt_internal -- mbus_code defaulted to 0x2008
With this patch applied:
[ 0.867015] ov7670_try_fmt_internal -- Looking for mbus_code 0x2008
[ 0.873205] ov7670_try_fmt_internal -- Try mbus_code 0x2008: match
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Use tabs instead of spaces and help is two-spaced after single tab.
The incorrect spacing breaks menuconfig on older kernels.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Kconfig Help statements are two-spaced after a single tab.
The incorrect spacing breaks menuconfig on older kernels.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The use of a hard coded i2c address breaks the creation of the
second tuner in DualHD 01595 models. The issue is compounded
by lack of any error message stating that a driver failed
initialization. Use addr, which contains the correct address
for each tuner.
Fixes: ad32495b15 ("media: em28xx-dvb: simplify DVB module probing logic")
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This reverts commit fc7f8fd42c.
Whilst the rationale for the above commit was in general correct, i.e.
that users *consuming* the DMA addresses should rely on sglen rather
than num_pages, it has always been the case that the DMA API itself
still requires that dma_{sync,unmap}_sg() are called with the original
number of entries as passed to dma_map_sg(), not the number of mapped
entries it returned. Thus the particular changes made in that patch
were erroneous.
At worst this might lead to data loss at the tail end of mapped buffers
on non-coherent hardware, while at best it's an example of incorrect
DMA API usage which has proven to mislead readers.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Trivial fix to spelling mistake in proc text string
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Do not set context colorimetry on the raw (OUTPUT) queue for encoders.
Always set colorimetry on the coded queue (CAPTURE for encoders, OUTPUT
for decoders).
This also skips propagation of capture queue format and selection
rectangle on S_FMT(OUTPUT) to the CAPTURE queue for encoders.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The driver helpfully resets the capture queue format and selection
rectangle whenever output format is changed. This only works while
the capture queue is not busy.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Instead of duplicating the same code, call into coda_s_fmt_vid_out to
propagate the output format to the capture queue.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Replace the manual validity checks for the GPIO with the
gpio_is_valid().
In vip_gpio_reserve(), Error checking for gpio pin is not correct.
If pwr_pin = -1, It will return 0. This should be return an error.
In sta2x11_vip_init_one(), Error checking for gpio 'reset_pin'
is unnecessary. Because vip_gpio_reserve() is also checking for
valid gpio pin. So removed extra error checking for gpio 'reset_pin'.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Replace the manual validity checks for the GPIO with the
gpio_is_valid().
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Fix this warning when building the docs:
include/media/v4l2-dev.h:42: warning: Enum value 'VFL_TYPE_MAX' not described in enum 'vfl_devnode_type'
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Smatch complains that "venc" could be uninitialized. There are a couple
of error paths where it looks like maybe that could happen. I don't know
if it's really a bug, but it's reasonable to set "venc" to NULL and
silence the warning.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This driver needs a pull up output GPIO, but devm_gpiod_get() is called
with GPIOD_IN. This apparently works fine for the RPi3 where the DT
correctly specifies a pull up GPIO, but on the i.MX6 it also needs to
be specified with devm_gpiod_get().
Reported-by: Henrik Mau <Henrik.Mau@linn.co.uk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Use new return type vm_fault_t for fault handler. For
now, this is just documenting that the function returns
a VM_FAULT value rather than an errno. Once all instances
are converted, vm_fault_t will become a distinct type.
Reference id -> 1c8f422059 ("mm: change return type to
vm_fault_t")
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c:1087:1-3: WARNING: PTR_ERR_OR_ZERO can be used
Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
Generated by: scripts/coccinelle/api/ptr_ret.cocci
Fixes: 648a957693 ("media: vcodec: fix error return value from mtk_jpeg_clk_init()")
CC: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Improves code clarity in two ways:
1. The plural name makes it more clear that it is an array.
2. The name of the array is now no longer identical to the struct type
name, so it is easier to find in the code.
Signed-off-by: Simon Que <sque@chromium.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Interrupt behavior shows that some time the frame end and frame start of
next frame is unstable and can range from several to hundreds of
micro-sec. In the case of ~10us, isr may not clear next sof interrupt
status in single handling, which prevents new interrupts from coming.
Fix this by handling all pending IRQs before exiting isr, so any abnormal
behavior results from very short interrupt status changes is protected.
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Andy Yeh <andy.yeh@intel.com>
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
ARM:
- Fix proxying of GICv2 CPU interface accesses
- Fix crash when switching to BE
- Track source vcpu git GICv2 SGIs
- Fix an outdated bit of documentation
x86:
- Speed up injection of expired timers (for stable)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pll KVM fixes from Radim Krčmář:
"ARM:
- Fix proxying of GICv2 CPU interface accesses
- Fix crash when switching to BE
- Track source vcpu git GICv2 SGIs
- Fix an outdated bit of documentation
x86:
- Speed up injection of expired timers (for stable)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: remove APIC Timer periodic/oneshot spikes
arm64: vgic-v2: Fix proxying of cpuif access
KVM: arm/arm64: vgic_init: Cleanup reference to process_maintenance
KVM: arm64: Fix order of vcpu_write_sys_reg() arguments
KVM: arm/arm64: vgic: Fix source vcpu issues for GICv2 SGI
Fixes come with:
* Fix for compile warning in AMD IOMMU driver with irq remapping
disabled
* Fix for VT-d interrupt remapping and invalidation size (caused
a BUG_ON when trying to invalidate more than 4GB)
* Build fix and a regression fix for broken graphics with old
DTS for the rockchip iommu driver
* A revert in PCI window reservation code which fixes a
regression with VFIO.
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Merge tag 'iommu-fixes-v4.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
- fix a compile warning in the AMD IOMMU driver with irq remapping
disabled
- fix for VT-d interrupt remapping and invalidation size (caused a
BUG_ON when trying to invalidate more than 4GB)
- build fix and a regression fix for broken graphics with old DTS for
the rockchip iommu driver
- a revert in the PCI window reservation code which fixes a regression
with VFIO.
* tag 'iommu-fixes-v4.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu: rockchip: fix building without CONFIG_OF
iommu/vt-d: Use WARN_ON_ONCE instead of BUG_ON in qi_flush_dev_iotlb()
iommu/vt-d: fix shift-out-of-bounds in bug checking
iommu/dma: Move PCI window region reservation back into dma specific path.
iommu/rockchip: Make clock handling optional
iommu/amd: Hide unused iommu_table_lock
iommu/vt-d: Fix usage of force parameter in intel_ir_reconfigure_irte()
Pull x86 fix from Thomas Gleixner:
"Unbreak the CPUID CPUID_8000_0008_EBX reload which got dropped when
the evaluation of physical and virtual bits which uses the same CPUID
leaf was moved out of get_cpu_cap()"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Restore CPUID_8000_0008_EBX reload
Pull clocksource fixes from Thomas Gleixner:
"The recent addition of the early TSC clocksource breaks on machines
which have an unstable TSC because in case that TSC is disabled, then
the clocksource selection logic falls back to the early TSC which is
obviously bogus.
That also unearthed a few robustness issues in the clocksource
derating code which are addressed as well"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: Rework stale comment
clocksource: Consistent de-rate when marking unstable
x86/tsc: Fix mark_tsc_unstable()
clocksource: Initialize cs->wd_list
clocksource: Allow clocksource_mark_unstable() on unregistered clocksources
x86/tsc: Always unregister clocksource_tsc_early
Pull irq fix from Thomas Gleixner:
"A single fix to prevent false positives in the spurious interrupt
detector when more than a single demultiplex register is evaluated in
the Qualcom irq combiner driver"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/qcom: Fix check for spurious interrupts
We missed a case in the Dell config dependencies resulting in a possible bad
configuration, resolve it by giving up on trying to keep DELL_LAPTOP visible in
the menu and make it depend on DELL_SMBIOS.
Fix a null pointer dereference at module unload for the asus-wireless driver.
The following is an automated git shortlog grouped by driver:
Kconfig:
- Fix dell-laptop dependency chain.
asus-wireless:
- Fix NULL pointer dereference
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Merge tag 'platform-drivers-x86-v4.17-2' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fixes from Darren Hart:
- We missed a case in the Dell config dependencies resulting in a
possible bad configuration, resolve it by giving up on trying to keep
DELL_LAPTOP visible in the menu and make it depend on DELL_SMBIOS.
- Fix a null pointer dereference at module unload for the asus-wireless
driver.
* tag 'platform-drivers-x86-v4.17-2' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: Kconfig: Fix dell-laptop dependency chain.
platform/x86: asus-wireless: Fix NULL pointer dereference
Here are some USB driver fixes for 4.17-rc4.
The majority of them are some USB gadget fixes that missed my last pull
request. The "largest" patch in here is a fix for the old visor driver
that syzbot found 6 months or so ago and I finally remembered to fix it.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB driver fixes for 4.17-rc4.
The majority of them are some USB gadget fixes that missed my last
pull request. The "largest" patch in here is a fix for the old visor
driver that syzbot found 6 months or so ago and I finally remembered
to fix it.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
Revert "usb: host: ehci: Use dma_pool_zalloc()"
usb: typec: tps6598x: handle block reads separately with plain-I2C adapters
usb: typec: tcpm: Release the role mux when exiting
USB: Accept bulk endpoints with 1024-byte maxpacket
xhci: Fix use-after-free in xhci_free_virt_device
USB: serial: visor: handle potential invalid device configuration
USB: serial: option: adding support for ublox R410M
usb: musb: trace: fix NULL pointer dereference in musb_g_tx()
usb: musb: host: fix potential NULL pointer dereference
usb: gadget: composite Allow for larger configuration descriptors
usb: dwc3: gadget: Fix list_del corruption in dwc3_ep_dequeue
usb: dwc3: gadget: dwc3_gadget_del_and_unmap_request() can be static
usb: dwc2: pci: Fix error return code in dwc2_pci_probe()
usb: dwc2: WA for Full speed ISOC IN in DDMA mode.
usb: dwc2: dwc2_vbus_supply_init: fix error check
usb: gadget: f_phonet: fix pn_net_xmit()'s return type
Since the commit "8003c9ae204e: add APIC Timer periodic/oneshot mode VMX
preemption timer support", a Windows 10 guest has some erratic timer
spikes.
Here the results on a 150000 times 1ms timer without any load:
Before 8003c9ae20 | After 8003c9ae20
Max 1834us | 86000us
Mean 1100us | 1021us
Deviation 59us | 149us
Here the results on a 150000 times 1ms timer with a cpu-z stress test:
Before 8003c9ae20 | After 8003c9ae20
Max 32000us | 140000us
Mean 1006us | 1997us
Deviation 140us | 11095us
The root cause of the problem is starting hrtimer with an expiry time
already in the past can take more than 20 milliseconds to trigger the
timer function. It can be solved by forward such past timers
immediately, rather than submitting them to hrtimer_start().
In case the timer is periodic, update the target expiration and call
hrtimer_start with it.
v2: Check if the tsc deadline is already expired. Thank you Mika.
v3: Execute the past timers immediately rather than submitting them to
hrtimer_start().
v4: Rearm the periodic timer with advance_periodic_target_expiration() a
simpler version of set_target_expiration(). Thank you Paolo.
Cc: Mika Penttilä <mika.penttila@nextfour.com>
Cc: Wanpeng Li <kernellwp@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@blade-group.com>
8003c9ae20 ("KVM: LAPIC: add APIC Timer periodic/oneshot mode VMX preemption timer support")
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
- Fix proxying of GICv2 CPU interface accesses
- Fix crash when switching to BE
- Track source vcpu git GICv2 SGIs
- Fix an outdated bit of documentation
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Merge tag 'kvmarm-fixes-for-4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm
KVM/arm fixes for 4.17, take #2
- Fix proxying of GICv2 CPU interface accesses
- Fix crash when switching to BE
- Track source vcpu git GICv2 SGIs
- Fix an outdated bit of documentation
Just checking for ifdefs cause build issues as reported by
kernel test:
config: openrisc-allmodconfig (attached as .config)
compiler: or1k-linux-gcc (GCC) 6.0.0 20160327 (experimental)
All errors (new ones prefixed by >>):
drivers/video/fbdev/omap2/omapfb/omapfb-main.c: In function 'omapfb_init_connections':
>> drivers/video/fbdev/omap2/omapfb/omapfb-main.c:2396:8: error: implicit declaration of function 'omapdss_find_mgr_from_display' [-Werror=implicit-function-declaration]
mgr = omapdss_find_mgr_from_display(def_dssdev);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/fbdev/omap2/omapfb/omapfb-main.c:2396:6: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
mgr = omapdss_find_mgr_from_display(def_dssdev);
^
drivers/video/fbdev/omap2/omapfb/omapfb-main.c: In function 'omapfb_find_default_display':
>> drivers/video/fbdev/omap2/omapfb/omapfb-main.c:2430:13: error: implicit declaration of function 'omapdss_get_default_display_name' [-Werror=implicit-function-declaration]
def_name = omapdss_get_default_display_name();
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/fbdev/omap2/omapfb/omapfb-main.c:2430:11: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
def_name = omapdss_get_default_display_name();
^
So, use IS_ENABLED() instead.
Fixes: 771f7be87f ("media: omapfb: omapfb_dss.h: add stubs to build with COMPILE_TEST && DRM_OMAP")
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: tomi.valkeinen@ti.com
Cc: linux-omap@vger.kernel.org
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The recent "x86 ZONE_DMA love" discussion at LSF/MM pointed out that some
gspca sub-drivvers are using GFP_DMA to allocate buffers which are used
for USB bulk transfers, there is absolutely no need for this, drop it.
Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This driver depends on sony-laptop driver, but this is available
only for x86. So, add a stub function, in order to allow building
it on non-x86 too.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
