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DMIC clock source is not from codec system clock directly. it is
generated from the division of system clock. And it should be 256 *
sample rate of AIF1.
Signed-off-by: Bard Liao <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Cc: [email protected]
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Channels allocated via dma_get_any_slave_channel were not increasing
the counter tracking private allocations. When these channels were
released, privatecnt may erroneously fall to zero. The DMA device
would then lose its DMA_PRIVATE cap and fail to allocate future private
channels (via private_candidate) as any allocations still outstanding
would incorrectly be seen as public allocations.
Signed-off-by: Christopher Freeman <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
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Load the PowerNV platform pci controller ops into pci controllers
after all the operations are loaded into the platform ops struct, not
before.
Otherwise we aren't actually setting the ops properly which can break
IO for some devices.
Fixes: 65ebf4b63 ("powerpc/powernv: Move controller ops from ppc_md to controller_ops")
Reported-by: Gavin Shan <[email protected]>
Reviewed-by: Gavin Shan <[email protected]>
Signed-off-by: Daniel Axtens <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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Looks like audigy emu10k2 (probably emu10k1 - sb live too) support two
modes for DMA. Second mode is useful for 64 bit os with more then 2 GB
of ram (fixes problems with big soundfont loading)
1) 32MB from 2 GB address space using 8192 pages (used now as default)
2) 16MB from 4 GB address space using 4096 pages
Mode is set using HCFG_EXPANDED_MEM flag in HCFG register.
Also format of emu10k2 page table is then different.
Signed-off-by: Peter Zubaj <[email protected]>
Tested-by: Takashi Iwai <[email protected]>
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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Commit 34cb7954c0aa "Convert ICS mutex lock to spin lock" added an
include of asm/spinlock.h, which does not work in the SMP=n case.
It should instead include linux/spinlock.h
Fixes: 34cb7954c0aa ("KVM: PPC: Book3S HV: Convert ICS mutex lock to spin lock")
Acked-by: Paul Mackerras <[email protected]>
Reviewed-by: Alexander Graf <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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Commit 9faf6136ff46 (ACPI / SBS: Disable smart battery manager on
Apple) introduced a regression disabling the SBS battery manager.
The battery manager should be marked as present when
acpi_manager_get_info() returns 0.
Fixes: 9faf6136ff46 (ACPI / SBS: Disable smart battery manager on Apple)
Signed-off-by: Chris Bainbridge <[email protected]>
Cc: 3.18+ <[email protected]> # 3.18+
Signed-off-by: Rafael J. Wysocki <[email protected]>
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During commit e252652fb266 ("ACPICA: acpidump: Remove integer types
translation protection.") two 'unsigned char' types got converted to 'u8'.
The result does not compile with gcc-4.5, it can not cope with duplicate
typedefs.
Signed-off-by: Olaf Hering <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile bugfix from Chris Metcalf:
"This just fixes a compiler warning from an old bug that only recently
started generating a warning"
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: properly use node_isset() on a nodemask_t
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The Exar XR17V358 chip usually provides only 8 ports. But two chips can be
combined to act as a single 16 port chip. Therefor one chip is configured
as master the second as slave by connecting the mode pin to VCC (master)
or GND (slave).
Then the master chip is reporting a different device-id depending on
whether a slave is detected or not. The UARTs 8-15 are addressed from
0x2000-0x3fff. So the offset of 0x400 from UART to UART can be used to
address all 16 ports as before.
See: https://www.exar.com/common/content/document.ashx?id=1587 page 11
Signed-off-by: Soeren Grunewald <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"One additional new feature for 4.1, a new PRNG based on SHA-512 for
the zcrypt driver.
Two memory management related changes, the page table reallocation for
KVM is removed, and with file ptes gone the encoding of page table
entries is improved.
And three bug fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/zcrypt: Introduce new SHA-512 based Pseudo Random Generator.
s390/mm: change swap pte encoding and pgtable cleanup
s390/mm: correct transfer of dirty & young bits in __pmd_to_pte
s390/bpf: add dependency to z196 features
s390/3215: free memory in error path
s390/kvm: remove delayed reallocation of page tables for KVM
kexec: allocate the kexec control page with KEXEC_CONTROL_MEMORY_GFP
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The OSS emulation in synth-emux helper has a potential AB/BA deadlock
at the simultaneous closing and opening:
close ->
snd_seq_release() ->
sne_seq_free_client() ->
snd_seq_delete_all_ports(): takes client->ports_mutex ->
port_delete() ->
snd_emux_unuse(): takes emux->register_mutex
open ->
snd_seq_oss_open() ->
snd_emux_open_seq_oss(): takes emux->register_mutex ->
snd_seq_event_port_attach() ->
snd_seq_create_port(): takes client->ports_mutex
This patch addresses the deadlock by reducing the rance taking
emux->register_mutex in snd_emux_open_seq_oss(). The lock is needed
for the refcount handling, so move it locally. The calls in
emux_seq.c are already with the mutex, thus they are replaced with the
version without mutex lock/unlock.
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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[email protected] email-id doesn't exist anymore as I have left the
company. Replace ST's id with Rajeev Kumar <[email protected]>
Signed-off-by: Rajeev Kumar <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The code accidentally used cpu_isset() previously in one place
(though properly node_isset() elsewhere).
Signed-off-by: Chris Metcalf <[email protected]>
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This WA is avoid problem between shadow vs wake FIFO unload
problem during CPD/RC6 transactions on CHV.
v2: Define individual bits GTFIFOCTL (Ville)
v3: move WA to uncore_early_sanitize (ville)
Signed-off-by: Deepak S <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]>
[Jani: fixed some whitespace issues while applying]
Signed-off-by: Jani Nikula <[email protected]>
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Fix interpretation of the pmic_mpp_read() return code,
negative value means an error.
Signed-off-by: Ivan T. Ivanov <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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Read input buffer when input is enabled, not when it is
disabled. Also fix interpretation of the pmic_gpio_read()
return code, negative value means an error.
Signed-off-by: Ivan T. Ivanov <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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GPIO output type configuration was incorrectly overwritten
by strength value. Fix this.
Signed-off-by: Ivan T. Ivanov <[email protected]>
Acked-by: Bjorn Andersson <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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This patch fixes problems with serial console break. When function
s3c64xx_serial_startup() was started while serial console has been working,
it caused lose of characters written to TX FIFO. This effect was particularly
observable with systemd, which closes serial port every time when it's
not currently needed, hence function s3c64xx_serial_startup() is called
quite often there. To fix this problem we avoid resetting TX FIFO if port is
used as serial console.
Example of broken console log:
[ 1086.7 Expecting device dev-ttySAC1.device...
[ 1086.[ OK ] Reached target Paths.
[ 1086.756416] s[ OK ] Reached target Swap.
[ 1086.776413] systemd[1]: Reached target Swap.
[ 1086.776642] systemd[1]: Starting Root Slice.
[ 5.53403[ OK ] Created slice Root Slice.
[ 5.548433] systemd[1]: Create[ OK ] Created slice User and Session Slice.
[ 5.568414] sys[ OK ] Listening on /dev/initctl Compatibility Named Pipe.
[ 5.588388] s[ OK ] Listening on Delayed Shutdown Socket.
[ 5.608376] sy[ OK ] Listening on Journal Socket (/dev/log).
[ 5.628361] [ OK ] Listening on udev Kernel Socket.
[ 5.648357] s[ OK ] Listening on udev Control Socket.
[ 5.668353] s[ OK ] Listening on Journal Socket.
[ 5.688366] systemd[1]: Listeni[ OK ] Created slice System Slice.
[ 5.708393] Mounting Temporary Directory...
[ 7139.067436] Starting prepare device daemon...
[ 7139.091726] sy Starting Generate environment from /etc/profile.d...
[ 5.792867] system Starting Create Static Device Nodes in /dev...
[ 7848.718 Mounting Debug File System...
[ 7848.7384 Mounting Configuration File System...
[ 5.852 Starting Apply Kernel Variables...
[ 5.8720 Starting Setup Virtual Console...
[ 7848.798 Starting udev Coldplug all Devices...
[ 7848.817 Starting Journal Service...
[ OK ] Started Journal Service.
[ 7848.854222] s[ OK ] Reached target Slices.
Starting Remount Root and Kernel File Systems...
[ OK ] Mounted Configuration File System.
Reported-by: Chanwoo Choi <[email protected]>
Signed-off-by: Robert Baldyga <[email protected]>
Reviewed-by: Peter Hurley <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Maxburst was not set when doing the dma slave configuration. This value
is checked by the recently introduced xdmac. It causes an error when
doing the slave configuration and so prevents from using dma.
Signed-off-by: Ludovic Desroches <[email protected]>
Cc: <[email protected]> # 3.12 and later
Acked-by: Nicolas Ferre <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Do not probe all serial drivers by of_serial.c which are using
device_type = "serial"; property. Only drivers which have valid
compatible strings listed in the driver should be probed.
When PORT_UNKNOWN is setup probe will fail anyway.
Arnd quotation about driver historical background:
"when I wrote that driver initially, the idea was that it would
get used as a stub to hook up all other serial drivers but after
that, the common code learned to create platform devices from DT"
This patch fix the problem with on the system with xilinx_uartps and
16550a where of_serial failed to register for xilinx_uartps and because
of irq_dispose_mapping() removed irq_desc. Then when xilinx_uartps was asking
for irq with request_irq() EINVAL is returned.
Signed-off-by: Michal Simek <[email protected]>
CC: <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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For systems with CONFIG_SERIAL_OF_PLATFORM=y and device_type =
"serial"; property in DT of_serial.c driver maps and unmaps IRQ (because
driver probe fails). Then a driver is called but irq mapping is not
created that's why driver is failing again in again on request_irq().
Based on this use platform_get_irq() instead of platform_get_resource()
which is doing irq_desc allocation and driver itself can request IRQ.
Fix both xilinx serial drivers in the tree.
Signed-off-by: Michal Simek <[email protected]>
CC: <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Fix uart_console_write() kernel-doc build warnings.
Warning(drivers/tty/serial/serial_core.c:1778): No description found for parameter 'putchar'
Warning(drivers/tty/serial/serial_core.c:1778): Excess function parameter 'write' description in 'uart_console_write'
Fixes: 1cfe42b7fd29 ("serial: core: Fix kernel doc for uart_console_write()")
Reported-by: Fengguang Wu <[email protected]>
Signed-off-by: Peter Hurley <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This is needed by Bluetooth hci_uart module to be able to change speed
of Bluetooth controller and local UART.
Signed-off-by: Frederic Danis <[email protected]>
Reviewed-by: Peter Hurley <[email protected]>
Cc: Marcel Holtmann <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The omap4_ctrl_pad_readl and omap4_ctrl_pad_writel functions have been
removed by commit efde234674d9 but are still used by the OMAP4 ISS
driver, resulting in a compilation breakage:
drivers/staging/media/omap4iss/iss_csiphy.c: In function 'omap4iss_csiphy_config':
drivers/staging/media/omap4iss/iss_csiphy.c:167:2: error: implicit declaration of function 'omap4_ctrl_pad_writel' [-Werror=implicit-function-declaration]
omap4_ctrl_pad_writel(cam_rx_ctrl,
Fix the problem by using the syscon API to reaplace the control pad API.
Lookup the syscon instance by compatible name for now as the OMAP4 ISS
driver doesn't support DT yet.
Fixes: efde234674d9 ("ARM: OMAP4+: control: remove support for legacy pad read/write")
Signed-off-by: Laurent Pinchart <[email protected]>
Acked-by: Sakari Alius <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Phil and I found out a problem with commit:
7e860a6e7aa6 ("cdc-acm: add sanity checks")
It added some sanity checks to ignore potential garbage in CDC headers but
also introduced a potential infinite loop. This can happen at the first
loop iteration (elength = 0 in that case) if the description isn't a
DT_CS_INTERFACE or later if 'buffer[0]' is zero.
It should also be noted that the wrong length was being added to 'buffer'
in case 'buffer[1]' was not a DT_CS_INTERFACE descriptor, since elength was
assigned after that check in the loop.
A specially crafted USB device could be used to trigger this infinite loop.
Fixes: 7e860a6e7aa6 ("cdc-acm: add sanity checks")
Signed-off-by: Phil Turnbull <[email protected]>
Signed-off-by: Quentin Casasnovas <[email protected]>
CC: Sergei Shtylyov <[email protected]>
CC: Oliver Neukum <[email protected]>
CC: Adam Lee <[email protected]>
CC: <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This reverts commit 70843f623b58 ("usb: host: ehci-msm: Use
devm_ioremap_resource instead of devm_ioremap") and commit
e507bf577e5a ("host: ehci-msm: remove duplicate check on resource"),
because msm_otg and this driver are using same address space to
access AHB mode and USB command registers.
Signed-off-by: Ivan T. Ivanov <[email protected]>
Acked-by: Alan Stern <[email protected]>
Acked-by: Vivek Gautam <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Wrongly release mutex lock during otg_statemachine may result in re-enter
otg_statemachine, which is not allowed, we should do next state transtition
after previous one completed.
Fixes: 826cfe751f3e ("usb: chipidea: add OTG fsm operation functions implementation")
Cc: <[email protected]> # v3.16+
Signed-off-by: Li Jun <[email protected]>
Signed-off-by: Peter Chen <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Testing has shown that ASM1053 devices do not work properly with transfers
larger than 240 sectors, so set max_sectors to 240 on these.
Cc: [email protected] # 3.16
Reported-by: Steve Bangert <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Tested-by: Steve Bangert <[email protected]>
Acked-by: Alan Stern <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The usb-storage driver sets max_sectors = 240 in its scsi-host template,
for uas we do not want to do that for all devices, but testing has shown
that some devices need it.
This commit adds a US_FL_MAX_SECTORS_240 flag for such devices, and
implements support for it in uas.c, while at it it also adds support
for US_FL_MAX_SECTORS_64 to uas.c.
Cc: [email protected] # 3.16
Signed-off-by: Hans de Goede <[email protected]>
Acked-by: Alan Stern <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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uas_use_uas_driver may set some US_FL_foo flags during detection, currently
these are stored in a local variable and then throw away, but these may be
of interest to the caller, so add an extra parameter to (optionally) return
the detected flags, and use this in the uas driver.
Cc: [email protected] # 3.16
Signed-off-by: Hans de Goede <[email protected]>
Acked-by: Alan Stern <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for your net tree,
they are:
1) Fix a crash in nf_tables when dictionaries are used from the ruleset,
due to memory corruption, from Florian Westphal.
2) Fix another crash in nf_queue when used with br_netfilter. Also from
Florian.
Both fixes are related to new stuff that got in 4.0-rc.
====================
Signed-off-by: David S. Miller <[email protected]>
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ALU64_DIV instruction should be dividing 64-bit by 64-bit,
whereas do_div() does 64-bit by 32-bit divide.
x64 and arm64 JITs correctly implement 64 by 64 unsigned divide.
llvm BPF backend emits code assuming that ALU64_DIV does 64 by 64.
Fixes: 89aa075832b0 ("net: sock: allow eBPF programs to be attached to sockets")
Reported-by: Michael Holzheu <[email protected]>
Acked-by: Daniel Borkmann <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Currently when interface type is MAC to Phy, netif_carrier_(on/off)
is called which is not needed as Phy lib already updates the carrier
status to net stack. This is needed only for other interface types
Signed-off-by: Murali Karicheri <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The pinctrl-assert-gpios is an invalid pinctrl property. It was
probably sneaked from vendor tree. Remove it.
Fixes: 4e18a2243a87 ("ARM: imx6qdl-sabreauto.dtsi: add max7310 support")
Signed-off-by: Shawn Guo <[email protected]>
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Pull networking fixes from David Miller:
1) mlx4 doesn't check fully for supported valid RSS hash function, fix
from Amir Vadai
2) Off by one in ibmveth_change_mtu(), from David Gibson
3) Prevent altera chip from reporting false error interrupts in some
circumstances, from Chee Nouk Phoon
4) Get rid of that stupid endless loop trying to allocate a FIN packet
in TCP, and in the process kill deadlocks. From Eric Dumazet
5) Fix get_rps_cpus() crash due to wrong invalid-cpu value, also from
Eric Dumazet
6) Fix two bugs in async rhashtable resizing, from Thomas Graf
7) Fix topology server listener socket namespace bug in TIPC, from Ying
Xue
8) Add some missing HAS_DMA kconfig dependencies, from Geert
Uytterhoeven
9) bgmac driver intends to force re-polling but does so by returning
the wrong value from it's ->poll() handler. Fix from Rafał Miłecki
10) When the creater of an rhashtable configures a max size for it,
don't bark in the logs and drop insertions when that is exceeded.
Fix from Johannes Berg
11) Recover from out of order packets in ppp mppe properly, from Sylvain
Rochet
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (41 commits)
bnx2x: really disable TPA if 'disable_tpa' option is set
net:treewide: Fix typo in drivers/net
net/mlx4_en: Prevent setting invalid RSS hash function
mdio-mux-gpio: use new gpiod_get_array and gpiod_put_array functions
netfilter; Add some missing default cases to switch statements in nft_reject.
ppp: mppe: discard late packet in stateless mode
ppp: mppe: sanity error path rework
net/bonding: Make DRV macros private
net: rfs: fix crash in get_rps_cpus()
altera tse: add support for fixed-links.
pxa168: fix double deallocation of managed resources
net: fix crash in build_skb()
net: eth: altera: Resolve false errors from MSGDMA to TSE
ehea: Fix memory hook reference counting crashes
net/tg3: Release IRQs on permanent error
net: mdio-gpio: support access that may sleep
inet: fix possible panic in reqsk_queue_unlink()
rhashtable: don't attempt to grow when at max_size
bgmac: fix requests for extra polling calls from NAPI
tcp: avoid looping in tcp_send_fin()
...
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Current code uses wrong mask when setting RT5645_DMIC_2_DP_GPIO12 bit,
fix it.
Signed-off-by: Axel Lin <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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When stopping abnormally, a driver can't return from wait_for_completion.
This patch resolved this problem by changing wait_for_completion_timeout
from wait_for_completion.
Signed-off-by: Koji Matsuoka <[email protected]>
Signed-off-by: Yoshihiro Kaneko <[email protected]>
Signed-off-by: Guennadi Liakhovetski <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Various formats had their byte ordering implemented incorrectly, and
the V4L2_PIX_FMT_UYVY is actually impossible to create, instead you
get V4L2_PIX_FMT_YVYU.
This was working before commit ad6ac452227b7cb93ac79beec092850d178740b1
("add new formats support for marvell-ccic driver"). That commit broke
the original format support and the OLPC XO-1 laptop showed wrong
colors ever since (if you are crazy enough to attempt to run the latest
kernel on it, like I did).
The email addresses of the authors of that patch are no longer valid,
so without a way to reach them and ask them about their test setup
I am going with what I can test on the OLPC laptop.
If this breaks something for someone on their non-OLPC setup, then
contact the linux-media mailinglist. My suspicion however is that
that commit went in untested.
Signed-off-by: Hans Verkuil <[email protected]>
Acked-by: Jonathan Corbet <[email protected]>
Cc: <[email protected]> # for v3.19 and up
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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bnx2x's 'disable_tpa=1' module option is not respected properly and TPA
(transparent packet aggregation) remains enabled. Even though the
module option causes LRO to be disabled, TPA is enabled in GRO mode.
Additionally, disabling GRO via ethtool then has no effect. One can
still observe tpa_* statistics increase and large packets being received
in tcpdump.
The bug was an unintended consequence of commit aebf6244cd39 "bnx2x: Be
more forgiving toward SW GRO".
Fix it by following the bp->disable_tpa flag when initializing fp's.
Signed-off-by: Michal Schmidt <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This patch fix spelling typo in printk.
Signed-off-by: Masanari Iida <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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mlx4_en_check_rxfh_func() was checking for hardware support before
setting a known RSS hash function, but didn't do any check before
setting unknown RSS hash function. Need to make it fail on such values.
In this occasion, moved the actual setting of the new value from the
check function into mlx4_en_set_rxfh().
Fixes: 947cbb0 ("net/mlx4_en: Support for configurable RSS hash function")
Signed-off-by: Amir Vadai <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Use the new gpiod_get_array and gpiod_put_array functions
(added to mainline in the v4.1 merge window) for obtaining and
disposing of GPIO descriptors.
Cc: David Miller <[email protected]>
Cc: Linus Walleij <[email protected]>
Signed-off-by: Rojhalat Ibrahim <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This fixes:
====================
net/netfilter/nft_reject.c: In function ‘nft_reject_dump’:
net/netfilter/nft_reject.c:61:2: warning: enumeration value ‘NFT_REJECT_TCP_RST’ not handled in switch [-Wswitch]
switch (priv->type) {
^
net/netfilter/nft_reject.c:61:2: warning: enumeration value ‘NFT_REJECT_ICMPX_UNREACH’ not handled in switch [-Wswi\
tch]
net/netfilter/nft_reject_inet.c: In function ‘nft_reject_inet_dump’:
net/netfilter/nft_reject_inet.c:105:2: warning: enumeration value ‘NFT_REJECT_TCP_RST’ not handled in switch [-Wswi\
tch]
switch (priv->type) {
^
====================
Signed-off-by: David S. Miller <[email protected]>
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The 3w-9xxx driver needs to tear down the dma mappings before returning
the command to the midlayer, as there is no guarantee the sglist and
count are valid after that point. Also remove the dma mapping helpers
which have another inherent race due to the request_id index.
Signed-off-by: Christoph Hellwig <[email protected]>
Cc: [email protected]
Acked-by: Adam Radford <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
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The 3w-xxxx driver needs to tear down the dma mappings before returning
the command to the midlayer, as there is no guarantee the sglist and
count are valid after that point. Also remove the dma mapping helpers
which have another inherent race due to the request_id index.
Signed-off-by: Christoph Hellwig <[email protected]>
Cc: [email protected]
Acked-by: Adam Radford <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
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The 3w-sas driver needs to tear down the dma mappings before returning
the command to the midlayer, as there is no guarantee the sglist and
count are valid after that point. Also remove the dma mapping helpers
which have another inherent race due to the request_id index.
Signed-off-by: Christoph Hellwig <[email protected]>
Reported-by: Torsten Luettgert <[email protected]>
Tested-by: Bernd Kardatzki <[email protected]>
Cc: [email protected]
Acked-by: Adam Radford <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
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The driver currently calls kmalloc with GFP_KERNEL while holding a lock.
Fix it by doing the allocation earlier, before taking the lock.
Tested on AHA-1542B.
Signed-off-by: Ondrej Zary <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
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