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Enabling vflip currently causes wrong colors.
It seems that (at least with the current sensor setup) REG04_VFLIP_IMG only
changes the vertical readout direction.
Because pixels are arranged RGRG... in odd lines and GBGB... in even lines,
either a one line shift or even/odd line swap is required, too, but
apparently this doesn't happen.
I finally figured out that this can be done manually by setting
REG04_VREF_EN.
Looking at hflip, it turns out that bit REG04_HREF_EN is set there
permanetly, but according to my tests has no effect on the pixel readout
order.
So my conclusion is that the current documentation of sensor register 0x04
is wrong (has changed after preliminary datasheet version 2.2).
I'm pretty sure that automatic vertical line shift/switch can be enabled,
too, but until anyone finds ot how this works, we have to stick with manual
switching.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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ov2640_select_win() returns height and width values as part of struct
ov2640_win_size, so there is no point in modifying the passed height and
width parameters, too.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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HSIZE and VSIZE bits 0 to 2 and HSIZE bit 11 are encoded in DSP register
SIZEL.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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According to ov2640 software application notes, there are two Automatic
White Balance (AWB) modes, which are selected by DSP register 0xc7:
1) Simple AWB: assumes the average color is gray
+ independent from lens
- doesn't work well if captured area contains unbalanced colors
(e.g. large blue background)
2) Advanced AWB: uses color temperature information
+ more accurate, works with all image contents
- lens specific, requires calibration
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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- add missing initialisation of sensor register COM25 (2 MSBs of banding
filter AEC values)
- add macros for setting the banding filter AEC values
- add definitions for sensor register 0x5a, which is documented in
Omnivisions software application notes
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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While we are at it, remove a misleading comment (copy/paste mistake)
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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As warned by kbuild test robot:
warning: (VIDEO_EM28XX_V4L2) selects VIDEO_OV2640 which has unmet direct dependencies (MEDIA_SUPPORT && VIDEO_V4L2 && I2C && GPIOLIB && MEDIA_CAMERA_SUPPORT)
The em28xx driver can use ov2640, but it doesn't depend
(or use) the GPIOLIB in order to power off/on the sensor.
So, as we want to allow both usages with and without
GPIOLIB, make its dependency optional.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The fwsignal module is only referenced by the bcdc module and part of the
bcdc protocol. So only build it when CONFIG_BRCMFMAC_PROTO_BCDC is selected.
Fixes: acf8ac41dd73 ("brcmfmac: remove reference to fwsignal data from struct brcmf_pub")
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Trivial fix to spelling mistake on calibration, make Self lowercase
and re-join multiple lined printk since checkpatch allows this
coding style.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix kernel Oops NULL pointer deference
Call dev_dbg_obj only after checking if gobj->mdev is not NULL
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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i2c_mux_add_adapter already logs a message on failure.
Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Reviewed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Peter Rosin <peda@axentia.se>
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Remove those gcc warnings:
drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c: In function 'mtk_vcodec_dec_pw_on':
drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c:114:51: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
mtk_v4l2_err("pm_runtime_get_sync fail %d", ret);
^
By adding braces.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The h.264 standard allows up to 16 reference frame for the high profile
and we need one additional internal framebuffer when the VDOA is in use.
Lift the current maximum of 8 internal framebuffers to allow playback
of those video streams.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Driver is stable. Remove DEBUG definition from driver.
There are debug message in /var/log/messages if DEBUG is defined,
such as:
[MTK_V4L2] level=0 fops_vcodec_open(),170: decoder capability 0
[MTK_V4L2] level=0 fops_vcodec_open(),177: 16000000.vcodec decoder [0]
[MTK_V4L2] level=0 fops_vcodec_release(),200: [0] decoder
Signed-off-by: Minghsiu Tsai <minghsiu.tsai@mediatek.com>
Acked-by: Tiffany Lin <Tiffany.lin@mediatek.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The first two items in the _BCL method response are special:
- Level when machine has full power
- Level when machine is on batteries
- .... actual supported levels go there ....
So this commits adds an enum and uses its descriptive elements
throughout the code, instead of magic numbers.
Signed-off-by: Dmitry Frank <mail@dmitryfrank.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Otherwise the i2c transfer functions can read or write beyond the end of
stack or heap buffers.
Signed-off-by: Alyssa Milburn <amilburn@zall.org>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Otherwise ttusb2_i2c_xfer can read or write beyond the end of static and
heap buffers.
Signed-off-by: Alyssa Milburn <amilburn@zall.org>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add support for future IBM Coherent Accelerator (CXL) devices
with an IDs of 0x0623 and 0x0628.
Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Use setup_deferrable_timer() instead of init_timer_deferrable() to
simplify the code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Tested-by: Tyler Baicar <tbaicar@codeaurora.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Len Brown <lenb@kernel.org>
Cc: linux-acpi@vger.kernel.org
Link: http://lkml.kernel.org/r/3afa5498142ef68256023257dad37b9f8352e65e.1489060803.git.geliangtang@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Add an explicit config option to select whether the CEC remote control
messages are to be passed on to the RC subsystem or not.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Drop the separate cec-edid.h header and merge it into cec.h.
There was really no need to have a separate header for this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The Kconfig options for the CEC subsystem were a bit messy. In
addition there were two cec sources (cec-edid.c and cec-notifier.c)
that were outside of the media/cec directory, which was weird.
Move those sources to media/cec as well.
The cec-edid and cec-notifier functionality is now part of the cec
module and these are no longer separate modules.
Also remove the MEDIA_CEC_EDID config option and include it with the
main CEC config option (which defined CEC_EDID anyway).
Added static inlines to cec-edid.h for dummy functions when CEC_CORE
isn't defined.
CEC drivers should now depend on CEC_CORE.
CEC drivers that need the cec-notifier functionality must explicitly
select CEC_NOTIFIER.
The s5p-cec and stih-cec drivers depended on VIDEO_DEV instead of
CEC_CORE, fix that as well.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This development kit has an FT4232 on it with a custom USB VID/PID.
The FT4232 provides four UARTs, but only two are used. The UART 0
is used by the FlashPro5 programmer and UART 2 is connected to the
SmartFusion2 CortexM3 SoC UART port.
Note that the USB VID is registered to Actel according to Linux USB
VID database, but that was acquired by Microsemi.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Declare three immutable static driver arrays as const.
Signed-off-by: Johan Hovold <johan@kernel.org>
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The DMA API debugging (when enabled) causes:
WARNING: CPU: 0 PID: 1445 at lib/dma-debug.c:519 add_dma_entry+0xe0/0x12c
DMA-API: exceeded 7 overlapping mappings of cacheline 0x01b2974d
to be printed after repeated initialization of the Ether device, e.g.
suspend/resume or 'ifconfig' up/down. This is because DMA buffers mapped
using dma_map_single() in sh_eth_ring_format() and sh_eth_start_xmit() are
never unmapped. Resolve this problem by unmapping the buffers when freeing
the descriptor rings; in order to do it right, we'd have to add an extra
parameter to sh_eth_txfree() (we rename this function to sh_eth_tx_free(),
while at it).
Based on the commit a47b70ea86bd ("ravb: unmap descriptors when freeing
rings").
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a potential buffer overflow in lpfc_nvme_info_show().
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Acked-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The check for an unsigned long being less than zero is always false so
it is a redundant check and can be removed.
Detected by static analysis with by PVS-Studio
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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mempool_alloc() cannot fail when passed GFP_NOIO or any other gfp
setting that is permitted to sleep. So remove this pointless code.
Signed-off-by: NeilBrown <neilb@suse.com>
Acked-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Backmerge Linux 4.11-rc7 from Linus tree, to fix some
conflicts that were causing problems with the rerere cache
in drm-tip.
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The battery can only be detected after AC power adapter event.
Adding the machine to acpi_rev_dmi_table[] can work around this
issue.
Link: https://bugs.launchpad.net/bugs/1678590
Link: https://bugzilla.kernel.org/show_bug.cgi?id=105721
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Function acpi_parse_entries() is not used any more and if necessary,
acpi_table_parse_entries() can be used instead of it, so drop it.
Signed-off-by: Baoquan He <bhe@redhat.com>
[ rjw: Subject / changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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I just found that when we had changed the Rx path to check for length
instead of the DD bit we introduced an issue in ixgbe_dump since we were no
longer clearing the status bits.
To correct this I am updating ixgbe_dump to look for the length bits in the
descriptor since that is what we are using in the Rx path.
Fixes: c3630cc40b4f ("ixgbe: Use length to determine if descriptor is done")
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Computed delivered performance using CPPC feedback counters are in the
CPPC abstract scale, whereas cppc_cpufreq driver operates in KHz scale.
Exposing the CPPC performance capabilities (highest,lowest, nominal,
lowest non-linear) will allow userspace to figure out the conversion
factor from CPPC abstract scale to KHz.
Also rename ctr_wrap_time to wraparound_time so that show_cppc_data()
macro will work with it.
Signed-off-by: Prashanth Prakash <pprakash@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Read lowest non linear perf in cppc_get_perf_caps so that it can be exposed
via sysfs to the usespace. Lowest non linear perf is the lowest performance
level at which nonlinear power savings are achieved.
Signed-off-by: Prashanth Prakash <pprakash@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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vfio_pin_pages_remote() is typically called to iterate over a range
of memory. Testing CAP_IPC_LOCK is relatively expensive, so it makes
sense to push it up to the caller, which can then repeatedly call
vfio_pin_pages_remote() using that value. This can show nearly a 20%
improvement on the worst case path through VFIO_IOMMU_MAP_DMA with
contiguous page mapping disabled. Testing RLIMIT_MEMLOCK is much more
lightweight, but we bring it along on the same principle and it does
seem to show a marginal improvement.
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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With vfio_lock_acct() testing the locked memory limit under mmap_sem,
it's redundant to do it here for a single page. We can also reorder
our tests such that we can avoid testing for reserved pages if we're
not doing accounting and let vfio_lock_acct() test the process
CAP_IPC_LOCK. Finally, this function oddly returns 1 on success.
Update to return zero on success, -errno on error. Since the function
only pins a single page, there's no need to return the number of pages
pinned.
N.B. vfio_pin_pages_remote() can pin a large contiguous range of pages
before calling vfio_lock_acct(). If we were to similarly remove the
extra test there, a user could temporarily pin far more pages than
they're allowed.
Suggested-by: Kirti Wankhede <kwankhede@nvidia.com>
Suggested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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This patch increases the headroom allocated when using build_skb on a
system with 4K pages. Specifically the breakdown of headroom versus cache
size is as follows:
L1 Cache Size Headroom
64 192
64, NET_IP_ALIGN == 2 194
128 128
128, NET_IP_ALIGN == 2 130
256 512
256, NET_IP_ALIGN == 2 258
I stopped at supporting only a cache line size of 256 as that was the
largest cache size I could find supported in the kernel.
With this we are guaranteeing at least 128 bytes of headroom to spare in
the frame. This should be enough for us to insert a couple of IPv6 headers
if needed which is likely enough room for anything XDP should need.
I'm leaving the padding for systems with pages larger than 4K unmodified
for now. XDP currently isn't really setup to work on those types of
systems so we can cross that bridge when we get there.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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We did not have a check in place for MMNGC.MNG_VETO when setting up link
on X550EM_X KR devices which resulted in link loss for the BMC when
loading the driver.
This patch adds a check for ixgbe_check_reset_blocked() in setup_link()
since in that case there is no PHY reset function.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Remove the Marvell 1145 PHY define as we have never had a device that
supports it and have no plan to in the future. The existence of this
define has caused confusing on whether or not this PHY was supported
by ixgbe.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Avoid setting adapter->num_vfs early in the init code path when
using the max_vfs module parameter by passing it to ixgbe_enable_sriov()
as a function parameter.
This fixes an issue where if we failed to allocate vfinfo in
__ixgbe_enable_sriov() the driver will crash with NULL pointer in
ixgbe_disable_sriov() when attempting to free the vfinfo struct based
on adapter->num_vfs. Also it cleans up the assignment of adapter->num_vfs
since now it will only be set in __ixgbe_enable_sriov() and cleared in
ixgbe_disable_sriov().
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Pull networking fixes from David Miller:
1) BPF tail call handling bug fixes from Daniel Borkmann.
2) Fix allowance of too many rx queues in sfc driver, from Bert
Kenward.
3) Non-loopback ipv6 packets claiming src of ::1 should be dropped,
from Florian Westphal.
4) Statistics requests on KSZ9031 can crash, fix from Grygorii
Strashko.
5) TX ring handling fixes in mediatek driver, from Sean Wang.
6) ip_ra_control can deadlock, fix lock acquisition ordering to fix,
from Cong WANG.
7) Fix use after free in ip_recv_error(), from Willem de Buijn.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
bpf: fix checking xdp_adjust_head on tail calls
bpf: fix cb access in socket filter programs on tail calls
ipv6: drop non loopback packets claiming to originate from ::1
net: ethernet: mediatek: fix inconsistency of port number carried in TXD
net: ethernet: mediatek: fix inconsistency between TXD and the used buffer
net: phy: micrel: fix crash when statistic requested for KSZ9031 phy
net: vrf: Fix setting NLM_F_EXCL flag when adding l3mdev rule
net: thunderx: Fix set_max_bgx_per_node for 81xx rgx
net-timestamp: avoid use-after-free in ip_recv_error
ipv4: fix a deadlock in ip_ra_control
sfc: limit the number of receive queues
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Since we exit at the end of the block, we can save a level of
indentation by performing an early return, and make the next several
sections of code more legible, with fewer 80 character line breaks.
Also moved allocating vfinfo at the beginning and the notification
for enabling SRIOV at the end of the function when we know that it
will succeed.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Move the code allocating memory for list of MAC addresses that
the VFs can use for MACVLAN into its own function.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add default setting for mac->ops.setup_link on x550em_a MAC types.
This fixes a link issue on KR parts.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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We forgot to indicate some of the supported speed on the X553
backplane. This patch attempts to correct for that.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Laurent Pinchart reported that the Renesas R-Car H2 Lager board (r8a7790)
crashes during suspend tests. Geert Uytterhoeven managed to reproduce the
issue on an M2-W Koelsch board (r8a7791):
It occurs when the PME scan runs, once per second. During PME scan, the
PCI host bridge (rcar-pci) registers are accessed while its module clock
has already been disabled, leading to the crash.
One reproducer is to configure s2ram to use "s2idle" instead of "deep"
suspend:
# echo 0 > /sys/module/printk/parameters/console_suspend
# echo s2idle > /sys/power/mem_sleep
# echo mem > /sys/power/state
Another reproducer is to write either "platform" or "processors" to
/sys/power/pm_test. It does not (or is less likely) to happen during full
system suspend ("core" or "none") because system suspend also disables
timers, and thus the workqueue handling PME scans no longer runs. Geert
believes the issue may still happen in the small window between disabling
module clocks and disabling timers:
# echo 0 > /sys/module/printk/parameters/console_suspend
# echo platform > /sys/power/pm_test # Or "processors"
# echo mem > /sys/power/state
(Make sure CONFIG_PCI_RCAR_GEN2 and CONFIG_USB_OHCI_HCD_PCI are enabled.)
Rafael Wysocki agrees that PME scans should be suspended before the host
bridge registers become inaccessible. To that end, queue the task on a
workqueue that gets frozen before devices suspend.
Rafael notes however that as a result, some wakeup events may be missed if
they are delivered via PME from a device without working IRQ (which hence
must be polled) and occur after the workqueue has been frozen. If that
turns out to be an issue in practice, it may be possible to solve it by
calling pci_pme_list_scan() once directly from one of the host bridge's
pm_ops callbacks.
Stacktrace for posterity:
PM: Syncing filesystems ... [ 38.566237] done.
PM: Preparing system for sleep (mem)
Freezing user space processes ... [ 38.579813] (elapsed 0.001 seconds) done.
Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
PM: Suspending system (mem)
PM: suspend of devices complete after 152.456 msecs
PM: late suspend of devices complete after 2.809 msecs
PM: noirq suspend of devices complete after 29.863 msecs
suspend debug: Waiting for 5 second(s).
Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
pgd = c0003000
[00000000] *pgd=80000040004003, *pmd=00000000
Internal error: : 1211 [#1] SMP ARM
Modules linked in:
CPU: 1 PID: 20 Comm: kworker/1:1 Not tainted
4.9.0-rc1-koelsch-00011-g68db9bc814362e7f #3383
Hardware name: Generic R8A7791 (Flattened Device Tree)
Workqueue: events pci_pme_list_scan
task: eb56e140 task.stack: eb58e000
PC is at pci_generic_config_read+0x64/0x6c
LR is at rcar_pci_cfg_base+0x64/0x84
pc : [<c041d7b4>] lr : [<c04309a0>] psr: 600d0093
sp : eb58fe98 ip : c041d750 fp : 00000008
r10: c0e2283c r9 : 00000000 r8 : 600d0013
r7 : 00000008 r6 : eb58fed6 r5 : 00000002 r4 : eb58feb4
r3 : 00000000 r2 : 00000044 r1 : 00000008 r0 : 00000000
Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user
Control: 30c5387d Table: 6a9f6c80 DAC: 55555555
Process kworker/1:1 (pid: 20, stack limit = 0xeb58e210)
Stack: (0xeb58fe98 to 0xeb590000)
fe80: 00000002 00000044
fea0: eb6f5800 c041d9b0 eb58feb4 00000008 00000044 00000000 eb78a000 eb78a000
fec0: 00000044 00000000 eb9aff00 c0424bf0 eb78a000 00000000 eb78a000 c0e22830
fee0: ea8a6fc0 c0424c5c eaae79c0 c0424ce0 eb55f380 c0e22838 eb9a9800 c0235fbc
ff00: eb55f380 c0e22838 eb55f380 eb9a9800 eb9a9800 eb58e000 eb9a9824 c0e02100
ff20: eb55f398 c02366c4 eb56e140 eb5631c0 00000000 eb55f380 c023641c 00000000
ff40: 00000000 00000000 00000000 c023a928 cd105598 00000000 40506a34 eb55f380
ff60: 00000000 00000000 dead4ead ffffffff ffffffff eb58ff74 eb58ff74 00000000
ff80: 00000000 dead4ead ffffffff ffffffff eb58ff90 eb58ff90 eb58ffac eb5631c0
ffa0: c023a844 00000000 00000000 c0206d68 00000000 00000000 00000000 00000000
ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 3a81336c 10ccd1dd
[<c041d7b4>] (pci_generic_config_read) from [<c041d9b0>]
(pci_bus_read_config_word+0x58/0x80)
[<c041d9b0>] (pci_bus_read_config_word) from [<c0424bf0>]
(pci_check_pme_status+0x34/0x78)
[<c0424bf0>] (pci_check_pme_status) from [<c0424c5c>] (pci_pme_wakeup+0x28/0x54)
[<c0424c5c>] (pci_pme_wakeup) from [<c0424ce0>] (pci_pme_list_scan+0x58/0xb4)
[<c0424ce0>] (pci_pme_list_scan) from [<c0235fbc>]
(process_one_work+0x1bc/0x308)
[<c0235fbc>] (process_one_work) from [<c02366c4>] (worker_thread+0x2a8/0x3e0)
[<c02366c4>] (worker_thread) from [<c023a928>] (kthread+0xe4/0xfc)
[<c023a928>] (kthread) from [<c0206d68>] (ret_from_fork+0x14/0x2c)
Code: ea000000 e5903000 f57ff04f e3a00000 (e5843000)
---[ end trace 667d43ba3aa9e589 ]---
Fixes: df17e62e5bff ("PCI: Add support for polling PME state on suspended legacy PCI devices")
Reported-and-tested-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reported-and-tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: stable@vger.kernel.org # 2.6.37+
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
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This patch add support for X552 XFI backplane interface. The XFI
backplane requires a custom tuned link. HW/FW owns the link config
for XF backplane and SW must not interfere with it.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The initial patches supporting X553 sgmii forgot some details. This patch
should cover those missing spots.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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