In the vxlan transmit path there is no need to reference the socket
for a tunnel which is needed for the receive side. We do, however,
need the vxlan_dev flags. This patch eliminate references
to the socket in the transmit path, and changes VXLAN_F_UNSHAREABLE
to be VXLAN_F_RCV_FLAGS. This mask is used to store the flags
applicable to receive (GBP, CSUM6_RX, and REMCSUM_RX) in the
vxlan_sock flags.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The UDP tunnel transmit functions udp_tunnel_xmit_skb and
udp_tunnel6_xmit_skb include a socket argument. The socket being
passed to the functions (from VXLAN) is a UDP created for receive
side. The only thing that the socket is used for in the transmit
functions is to get the setting for checksum (enabled or zero).
This patch removes the argument and and adds a nocheck argument
for checksum setting. This eliminates the unnecessary dependency
on a UDP socket for UDP tunnel transmit.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
With the commit d75b1ade56 ("net: less interrupt masking in NAPI") napi repoll
is done only when work_done == budget. When we are in busy_poll we return 0 in
napi_poll. We should return budget.
Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* fix an IRQ storm caused by commit 872b5d814f
iwlwifi:
* A fix for scan that fixes a firmware assertion
* A fix that improves roaming behavior. Same fix has been tested for
a while in iwldvm. This is a bit of a work around, but the real fix
should be in mac80211 and will come later.
* A fix for BARs that avoids a WARNING.
* one fix for rfkill while scheduled scan is running.
Linus's system hit this issue. WiFi would be unavailable
after this has happpened because of bad state in cfg80211.
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Merge tag 'wireless-drivers-for-davem-2015-01-20' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
ath9k:
* fix an IRQ storm caused by commit 872b5d814f
iwlwifi:
* A fix for scan that fixes a firmware assertion
* A fix that improves roaming behavior. Same fix has been tested for
a while in iwldvm. This is a bit of a work around, but the real fix
should be in mac80211 and will come later.
* A fix for BARs that avoids a WARNING.
* one fix for rfkill while scheduled scan is running.
Linus's system hit this issue. WiFi would be unavailable
after this has happpened because of bad state in cfg80211.
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit (3d125f9c91) cause i.MX6SX sdb enet cannot work. The cause is
the commit add mdio node with un-correct phy address.
The patch just correct i.MX6sx sdb board enet phy address.
V2:
* As Shawn's suggestion that unit-address should match 'reg' property, so
update ethernet-phy unit-address.
Acked-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Enable kernel config "CONFIG_HAVE_DMA_API_DEBUG", FEC have kernel warning:
[ 6.650444] fec 2188000.ethernet: DMA-API: device driver tries to free DMA memory it has not allocated
[ 6.664289] Modules linked in:
[ 6.667378] CPU: 0 PID: 3 Comm: ksoftirqd/0 Not tainted 3.19.0-rc4-00688-g8834016-dirty #150
[ 6.675841] Hardware name: Freescale i.MX6 SoloX (Device Tree)
[ 6.681698] Backtrace:
[ 6.684189] [<80011e3c>] (dump_backtrace) from [<80011fdc>] (show_stack+0x18/0x1c)
[ 6.691789] r6:80890154 r5:00000000 r4:00000000 r3:00000000
[ 6.697533] [<80011fc4>] (show_stack) from [<806d2d88>] (dump_stack+0x80/0x9c)
[ 6.704799] [<806d2d08>] (dump_stack) from [<8002a4e4>] (warn_slowpath_common+0x7c/0xb4)
[ 6.712917] r5:00000445 r4:00000000
[ 6.716544] [<8002a468>] (warn_slowpath_common) from [<8002a5c0>] (warn_slowpath_fmt+0x38/0x40)
[ 6.725265] r8:809a2ee8 r7:00000000 r6:00000000 r5:00000000 r4:00000042
[ 6.732087] [<8002a58c>] (warn_slowpath_fmt) from [<802d6268>] (check_unmap+0x86c/0x98c)
[ 6.740202] r3:808c79bc r2:8089060c
[ 6.743826] [<802d59fc>] (check_unmap) from [<802d65e4>] (debug_dma_unmap_page+0x80/0x88)
[ 6.752029] r10:00000000 r9:00000000 r8:00000000 r7:00000001 r6:be12a410 r5:00000000
[ 6.759967] r4:00000042
[ 6.762538] [<802d6564>] (debug_dma_unmap_page) from [<80440248>] (fec_enet_rx_napi+0x7ec/0xb9c)
[ 6.771345] r7:00000400 r6:be3e4000 r5:bf08fa20 r4:be036000
[ 6.777094] [<8043fa5c>] (fec_enet_rx_napi) from [<8056ae24>] (net_rx_action+0x134/0x324)
[ 6.785297] r10:be089e60 r9:80998180 r8:ffff8d68 r7:0000012c r6:00000040 r5:00000001
[ 6.793239] r4:be036718
[ 6.795801] [<8056acf0>] (net_rx_action) from [<8002db24>] (__do_softirq+0x138/0x2d0)
[ 6.803655] r10:00000003 r9:00000003 r8:80996378 r7:8099c080 r6:00000100 r5:8099c08c
[ 6.811593] r4:00000000
[ 6.814157] [<8002d9ec>] (__do_softirq) from [<8002dd00>] (run_ksoftirqd+0x44/0x5c)
[ 6.821836] r10:00000000 r9:00000000 r8:809b133c r7:00000000 r6:00000001 r5:00000000
[ 6.829775] r4:be027e80
[ 6.832346] [<8002dcbc>] (run_ksoftirqd) from [<80048290>] (smpboot_thread_fn+0x154/0x1c4)
[ 6.840649] [<8004813c>] (smpboot_thread_fn) from [<80044780>] (kthread+0xdc/0xf8)
[ 6.848224] r10:00000000 r8:00000000 r7:8004813c r6:be027e80 r5:be027ec0 r4:00000000
[ 6.856179] [<800446a4>] (kthread) from [<8000ebc8>] (ret_from_fork+0x14/0x2c)
[ 6.863425] r7:00000000 r6:00000000 r5:800446a4 r4:be027ec0
[ 6.869156] ---[ end trace 861cf914d2461a8b ]---
There have one bug in .fec_enet_tx_queue() function to unmap the DMA memory:
For SG or TSO, get one buffer descriptor and then unmap the related DMA memory, and then
get the next buffer descriptor, loop to while() to check "TX_READY". If "TX_READY" bit
still __IS__ existed in the BD (The next fraglist or next TSO packet is not transmited
complitely), exit the current clean work. When the next work is triggered, it still repeat
above step with the same BD. The potential issue is that unmap the same DMA memory for
multiple times.
The patch fix the clean work for SG and TSO packet.
Reported-by: Anand Moon <moon.linux@yahoo.com>
Reported-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In general, the kernel should report temperature readings exactly as
reported by the hardware. The cpu / gpu thermal driver works in 5 degree
increments,but we ought to do more accurate. The temperature will do
linear interpolation between the entries in the table.
Test= $md5sum /dev/zero &
$while true; do grep "" /sys/class/thermal/thermal_zone[1-2]/temp;
sleep .5; done
e.g. We can get the result as follows:
/sys/class/thermal/thermal_zone1/temp:39994
/sys/class/thermal/thermal_zone2/temp:39086
/sys/class/thermal/thermal_zone1/temp:39994
/sys/class/thermal/thermal_zone2/temp:39540
/sys/class/thermal/thermal_zone1/temp:39540
/sys/class/thermal/thermal_zone2/temp:39540
/sys/class/thermal/thermal_zone1/temp:39540
/sys/class/thermal/thermal_zone2/temp:39994
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Sathya Perla says:
====================
be2net: patch set
Hi David, as the below patch-set includes minor bug fixes and some
code re-org, pls consider applying it to the "net-next" tree. Thanks!
Patch 1 fixes a bit of code duplication involving interface object
creation code.
Patch 2 ensures that when a flow-control FW cmd fails, the adapter state
continues to reflect the old values. This allows for correct reporting
on subsequent ethtool "get".
Patch 3 returns proper error for link config change on BE3/Lancer
Patch 4 adds a kernel log message for FW boot error on Lancer
Patch 5 adds a function reset on Lancer as a part of the function init
sequence.
Patch 6 moves some FW-cmd definitions that belong in be_cmds.h, but
were placed in be_hw.h
Patch 7 resets the "bw_min" field while configuring "bw_max" needed
for TX rate limiting config.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When max_tx_rate is set via bw_max in the NIC resource desc, bw_min must be
set to 0.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some FW cmd related definitions were included in be_hw.h
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Lancer FW is picky about requiring a function reset FW cmd as a part
of the initialization sequence.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds a log message in case of POST timeout in Lancer to
help debugging failure cases. It also logs sliport_status register value in
case of POST timeout.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The support for this exists only in skyhawk FW.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the FW cmd to set flow control fails, the adapter state must simply
reflect the old values.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This removes a bit of duplication of code that initializes the en_flags.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Romain Perier says:
====================
net: stmmac: dwmac-rk: Fix phy regulator issues
This series fixes few issues in dwmac-rk:
1. Voltage settings was hardcoded into the driver for the phy regulator.
The driver now uses the default voltage settings found in the devicetree,
which are applied throught the regulator framework.
2. The regulator name used to power on or power off the phy was put in the devicetree
variable "phy_regulator", which is not standard and added a lot of code for nothing.
The driver now uses the devicetree property "phy-supply" and the corresponding functions
to manipulate this regulator.
The corresponding devicetree files are also updated. As this new binding for
rk3288 has not been released with any official kernel yet (not until 3.20),
I don't need to care about keeping compatibility with the old non standard property.
====================
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
As no property for phy regulator was documented in this dt-binding documentation,
this commit adds an entry for the optional property phy-supply.
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, dwmac-rk uses a custom propety "phy_regulator" to get the name of the
right regulator to use to power on or power off the phy. This commit converts the
driver to use phy-supply devicetree property and the corresponding API, it cleans
the code a bit and make it simpler to maintain. This also replaces the property
phy_regulator by the standard property phy-supply in rk3288-evb-rk808.dts.
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As these settings can be directly expressed from devicetree for both fixed
regulators and pmic-integrated regulators, it is more standard to set them
from dts and let the regulator framework use the right voltage informations
when it is used in the driver.
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Hariprasad Shenai says:
====================
cxgb4: Add support to dump flash and rss config
This patch series adds support to dump flash, rss, rss_key, rss_config,
rss_pf_config and rss_vf_config debugfs entries.
The patches series is created against 'net-next' tree.
And includes patches on cxgb4 driver.
We have included all the maintainers of respective drivers. Kindly review the
change and let us know in case of any review comments.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds support to dump the rss table, rss_config, rss_key, rss_pf_config and
rss_vf_config
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds support to dump the contents of the flash in the adapter
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This new function is similar to clk_set_parent(), except that it doesn't
actually change the parent. It merely checks that the given parent clock
can be a parent for the given clock.
A situation where this is useful is to check that a particular setup is
valid before switching to it. One specific use-case for this is atomic
modesetting in the DRM framework where setting a mode is divided into a
check phase where a given configuration is validated before applying
changes to the hardware.
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
Basically move the sas ata tag allocation to libata-scsi.c to make it clear
these staffs are just for sas.
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Ensure that we deal correctly with the case where the server sends us a
newer instance of the same delegation. If the stateids match, but the
sequence numbers differ, then treat the new delegation as if it were
an atomic upgrade.
Signed-off-by: Trond Myklebust <Trond.Myklebust@primarydata.com>
Replace the current code with something that is a little closer to what
net/sunrpc/auth_unix.c uses.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Increase the concurrency level for rpciod threads to allow for allocations
etc that happen in the RPCSEC_GSS layer. Also note that the NFSv4 byte range
locks may now need to allocate memory from inside rpciod.
Add the WQ_HIGHPRI flag to improve latency guarantees while we're at it.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Optimise the layout return on close code by ensuring that
1) Add a check for whether we hold a layout before taking any spinlocks
2) Only take the spin lock once
3) Use nfs_state->state to speed up open file checks
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Note, however, that we still serialise on the open stateid if the lock
stateid is unconfirmed. Hopefully that will not prove too much of a
burden for first time locks; it should leave the ability to parallelise
OPENs unchanged, since they no longer call the serialisation primitives.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Ensure that we test the lock stateid remained unchanged while we were
updating the VFS tracking of the byte range lock. Have the process
replay the lock to the server if we detect that was not the case.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This patch ensures that the server cannot reorder our LOCK/LOCKU
requests if they are sent in parallel on the wire.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
The original text in RFC3530 was terribly confusing since it conflated
lockowners and lock stateids. RFC3530bis clarifies that you must use
open_to_lock_owner when there is no lock state for that file+lockowner
combination.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This patch consists of four real fixes and three MAINTAINER updates. Three of
the fixes are obvious (the DIX and atomic allocation are bug on and warn on
fixes and the other is just trivial) and the ipr one is a bit more involved
but is required because without it, the card double completes aborted commands
and causes a kernel oops.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
pULL SCSI fixes from James Bottomley:
"This consists of four real fixes and three MAINTAINER updates.
Three of the fixes are obvious (the DIX and atomic allocation are bug
on and warn on fixes and the other is just trivial) and the ipr one is
a bit more involved but is required because without it, the card
double completes aborted commands and causes a kernel oops"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
MAINTAINERS: ibmvscsi driver maintainer change
MAINTAINERS: ibmvfc driver maintainer change
MAINTAINERS: Remove self as isci maintainer
scsi_debug: test always evaluates to false, || should be used instead
scsi: Avoid crashing if device uses DIX but adapter does not support it
scsi_debug: use atomic allocation in resp_rsup_opcodes
ipr: wait for aborted command responses
Pull watchdog fixes from Wim Van Sebroeck:
"This will fix reboot issues with the imx2_wdt driver and it also drops
some forgotten owner assignments from platform_drivers"
* git://www.linux-watchdog.org/linux-watchdog:
watchdog: drop owner assignment from platform_drivers
watchdog: imx2_wdt: Disable power down counter on boot
watchdog: imx2_wdt: Improve power management support.
Pull hwmon update from Jean Delvare:
"This contains a single thing: a new driver for the temperature sensor
embedded in the Intel 5500/5520/X58 chipsets.
Sorry for the late request, it's been so long since I last sent a pull
request and I've been so busy with other tasks meanwhile that I simply
forgot about these patches. But given that this is a new driver, it
can't introduce any regression so I thought it could still be OK.
This has been in linux-next for months now"
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (i5500_temp) Convert to use ATTRIBUTE_GROUPS macro
hwmon: (i5500_temp) Convert to module_pci_driver
hwmon: (i5500_temp) Don't bind to disabled sensors
hwmon: (i5500_temp) Convert to devm_hwmon_device_register_with_groups
hwmon: (i5500_temp) New driver for the Intel 5500/5520/X58 chipsets
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Merge tag 'media/v3.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- fix some race conditions caused by a regression on videobuf2
- fix a interrupt release bug on cx23885
- fix support for Mygica T230 and HVR4400
- fix compilation breakage when USB is not selected on tlg2300
- fix capabilities report on ompa3isp, soc-camera, rcar_vin and
pvrusb2
* tag 'media/v3.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] omap3isp: Correctly set QUERYCAP capabilities
[media] cx23885: fix free interrupt bug
[media] pvrusb2: fix missing device_caps in querycap
[media] vb2: fix vb2_thread_stop race conditions
[media] rcar_vin: Update device_caps and capabilities in querycap
[media] soc-camera: fix device capabilities in multiple camera host drivers
[media] Fix Mygica T230 support
[media] cx23885: Split Hauppauge WinTV Starburst from HVR4400 card entry
[media] tlg2300: Fix media dependencies
When we update the lock stateid, we really do need to ensure that this is
done under the state->state_lock, and that we are indeed only updating
confirmed locks with a newer version of the same stateid.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
After defining all necessary Exynos data in the device tree and heavy
reusage of the of-thermal.c those files can be removed.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This patch brings support for providing configuration via device tree.
Previously this data has been hardcoded in the exynos_tmu_data.c file.
Such approach was not scalable and very often required copying the whole
data.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
With thermal subsystem rework it is necessary to tune current cpufreq code
to use cpu frequency change as a potential cooling device.
Now the cpu cooling device is registered only when proper nodes and properties
are available in device tree. Lack of them, however, will not prevent
cpufreq for normal operation.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Up till now exynos_tmu_data.c was used for storing CPU cooling configuration
data. Now the Exynos thermal core code uses device tree to get this data.
For this purpose generic thermal code for configuring CPU cooling was
used.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This patch is a preparatory patch to be able to read Exynos thermal
configuration from the device tree.
It turned out that DTC is not able to interpret enums properly and hence
it is necessary to #define those values explicitly.
For this reason the ./include/dt-bindings/thermal/thermal_exynos.h file
has been introduced.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Commit ffcc393641 ("dm: enhance internal suspend and resume interface")
attempted to handle multiple internal suspends on the same device, but
it did that incorrectly. When these functions are called in this order
on the same device the device is no longer suspended, but it should be:
dm_internal_suspend_noflush
dm_internal_suspend_noflush
dm_internal_resume
Fix this bug by maintaining an 'internal_suspend_count' and resuming
the device when this count drops to zero.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Now that we support the sun6i variant of the touchscreen controller,
add the device node to the dtsi so we can use it.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
