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When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Intel Linux Wireless <linuxwifi@intel.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Intel Linux Wireless <linuxwifi@intel.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Intel Linux Wireless <linuxwifi@intel.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We support this, so we should advertise it. In fact, if we don't,
mac80211 will do it for us (as we advertise SUPPORTS_VHT_EXT_NSS_BW
to it), but that requires a memory reallocation which is wasteful:
ieee80211 phy0: copying sband (band 1) due to VHT EXT NSS BW flag
Set the flag here to avoid that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE bit shouldn't be set,
and realistically we should complete all setup before we call the
ieee80211_register_hw() function. Fix this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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One of the more common cases of allocation size calculations is finding the
size of a structure that has a zero-sized array at the end, along with memory
for some number of elements for that array. For example:
struct foo {
int stuff;
void *entry[];
};
instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can now
use the new struct_size() helper:
instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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One of the more common cases of allocation size calculations is finding the
size of a structure that has a zero-sized array at the end, along with memory
for some number of elements for that array. For example:
struct foo {
int stuff;
void *entry[];
};
instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can now
use the new struct_size() helper:
instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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With CONFIG_NO_AUTO_INLINE, we run into a silly warning when
gcc fails to remember that n_profiles is constant across
the function call to iwl_mvm_sar_set_profile:
drivers/net/wireless/intel/iwlwifi/mvm/fw.c: In function 'iwl_mvm_sar_get_ewrd_table':
drivers/net/wireless/intel/iwlwifi/mvm/fw.c:746:9: error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]
Marking that function 'inline' avoids the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In case mac80211 was requested to perform an HW restart, but the HW
restart has not started yet, there is no need to request another one.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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AX210 devices assume that the (DRAM) addresses of the rb_stts's for
the different queues are continuous.
So allocate the rb_stts's for all the Rx queues in one place.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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ath.git patches for 5.1. Major changes:
ath10k
* support WPA3 with WCN3990
* support for mac80211 airtime fairness based on transmit rate
estimation, the firmware needs to support WMI_SERVICE_PEER_STATS to
enable this
* report transmit airtime to mac80211 with firmwares having
WMI_SERVICE_REPORT_AIRTIME feature, this to have more accurate
airtime fairness based on real transmit time (instead of just
estimated from transmit rate)
* support Fine Timing Measurement (FTM) responder role
* add dynamic VLAN support with firmware having
WMI_SERVICE_PER_PACKET_SW_ENCRYPT
* switch to use SPDX license identifiers
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-5.1
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The start() callback is too late for this: NetworkManager would already
have seen the hardware, thinking 00:00:00:00:00:00 is its permanent
address.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-by: Steve deRosier <derosier@cal-sierra.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In order to be able to get a MAC address before we register the device
with ieee80211 we'll need to load the firmware way earlier.
There seems to be one problem with this: the device seems to start
with radio enabled and starts sending in frames right after the firmware
load finishes. Disable the radio as soon as possible.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-by: Steve deRosier <derosier@cal-sierra.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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We'll need to talk to the firmware to get a hardware address before
device is registered with ieee80211 subsystem at the end of
lbtf_add_card(). Hooking the callbacks after that is too late.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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While experimenting with firmware loading I ended up in a state of
firmware reporting shared RAM address 0x04000001. It was causing:
[ 94.448015] Unable to handle kernel paging request at virtual address cd680001
due to reading out of the mapped memory.
This patch adds some basic validation to avoid kernel crashes due to the
unexpected firmware behavior.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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There is an uppercase 'N' that should be a lowercase 'n', fix this.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This recently added macro provides more meaningful error messages thanks
to identifying a specific wiphy. It's especially important on systems
with few cards supported by the same (brcmfmac) driver.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Some final pin control fixes (I hope) to round off the v5.0 pin
control development cycle.
Only driver fixes, one for stable:
- Meson8B fixup for the sdc pins
- Fix SDC tile position for Qualcomm QCS404"
* tag 'pinctrl-v5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: meson: meson8b: fix the sdxc_a data 1..3 pins
pinctrl: qcom: qcs404: Correct SDC tile
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Two GPIO fixes for the v5.0 series:
- Per-instance irqchip on the MT7621
- Avoid direction setting using pin control on MMP2"
* tag 'gpio-v5.0-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: pxa: avoid attempting to set pin direction via pinctrl on MMP2
gpio: MT7621: use a per instance irq_chip structure
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Pull MTD fixes from Boris Brezillon:
- Don't add a digit to MTD-backed nvmem device names
- Make sure powernv flash names are unique
* tag 'mtd/fixes-for-5.0-rc8' of git://git.infradead.org/linux-mtd:
mtd: powernv_flash: Fix device registration error
mtd: Use mtd->name when registering nvmem device
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When the commit b6ced294fb61
("spi: pxa2xx: Switch to SPI core DMA mapping functionality")
switches to SPI core provided DMA helpers, it missed to setup maximum
supported DMA transfer length for the controller and thus users
mistakenly try to send more data than supported with the following
warning:
ili9341 spi-PRP0001:01: DMA disabled for transfer length 153600 greater than 65536
Setup maximum supported DMA transfer length in order to make users know
the limit.
Fixes: b6ced294fb61 ("spi: pxa2xx: Switch to SPI core DMA mapping functionality")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use linear range to replace the twl6030ldo_list_voltage implementation.
With this change, the min_mV is not used and can be removed from
struct twlreg_info.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add missing .owner field in regulator_desc, which is used for refcounting.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add missing .owner field in regulator_desc, which is used for refcounting.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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- Fix list of valid LS3 currents from mA to µA
- Fix selection of min/max microAmps of LS3.
Selecting one of the configured values as max value now really
selects it instead of the next lower one
Signed-off-by: Christian Hohnstaedt <Christian.Hohnstaedt@wago.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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If we skipped all the connectors that were not part of a tile, we would
leave conn_seq=0 and conn_configured=0, convincing ourselves that we
had stagnated in our configuration attempts. Avoid this situation by
starting conn_seq=ALL_CONNECTORS, and repeating until we find no more
connectors to configure.
Fixes: 754a76591b12 ("drm/i915/fbdev: Stop repeating tile configuration on stagnation")
Reported-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190215123019.32283-1-chris@chris-wilson.co.uk
Cc: <stable@vger.kernel.org> # v3.19+
(cherry picked from commit d9b308b1f8a1acc0c3279f443d4fe0f9f663252e)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Prior to dma unmap/free operations the ism driver tries to ensure
that the memory is no longer accessed by the HW. When errors
during deregistration of memory regions from the HW occur the ism
driver will not unmap/free this memory.
When we receive notification from the hypervisor that a PCI function
has been detached we can no longer access the device and would never
unmap/free these memory regions which led to complaints by the DMA
debug API.
Treat this kind of errors during the deregistration of memory regions
from the HW as success since it is already ensured that the memory
is no longer accessed by HW.
Reported-by: Karsten Graul <kgraul@linux.ibm.com>
Reported-by: Hans Wippel <hwippel@linux.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Two easily resolvable overlapping change conflicts, one in
TCP and one in the eBPF verifier.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use SPDX identifiers everywhere in ath10k.
Makefile was incorrectly marked in commit b24413180f56 ("License cleanup: add
SPDX GPL-2.0 license identifier to files with no license"), fix that as well.
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Fixes checkpatch warnings:
Prefer 'unsigned long' over 'unsigned long int' as the int is unnecessary
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Pull networking fixes from David Miller:
1) Fix suspend and resume in mt76x0u USB driver, from Stanislaw
Gruszka.
2) Missing memory barriers in xsk, from Magnus Karlsson.
3) rhashtable fixes in mac80211 from Herbert Xu.
4) 32-bit MIPS eBPF JIT fixes from Paul Burton.
5) Fix for_each_netdev_feature() on big endian, from Hauke Mehrtens.
6) GSO validation fixes from Willem de Bruijn.
7) Endianness fix for dwmac4 timestamp handling, from Alexandre Torgue.
8) More strict checks in tcp_v4_err(), from Eric Dumazet.
9) af_alg_release should NULL out the sk after the sock_put(), from Mao
Wenan.
10) Missing unlock in mac80211 mesh error path, from Wei Yongjun.
11) Missing device put in hns driver, from Salil Mehta.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
sky2: Increase D3 delay again
vhost: correctly check the return value of translate_desc() in log_used()
net: netcp: Fix ethss driver probe issue
net: hns: Fixes the missing put_device in positive leg for roce reset
net: stmmac: Fix a race in EEE enable callback
qed: Fix iWARP syn packet mac address validation.
qed: Fix iWARP buffer size provided for syn packet processing.
r8152: Add support for MAC address pass through on RTL8153-BD
mac80211: mesh: fix missing unlock on error in table_path_del()
net/mlx4_en: fix spelling mistake: "quiting" -> "quitting"
net: crypto set sk to NULL when af_alg_release.
net: Do not allocate page fragments that are not skb aligned
mm: Use fixed constant in page_frag_alloc instead of size + 1
tcp: tcp_v4_err() should be more careful
tcp: clear icsk_backoff in tcp_write_queue_purge()
net: mv643xx_eth: disable clk on error path in mv643xx_eth_shared_probe()
qmi_wwan: apply SET_DTR quirk to Sierra WP7607
net: stmmac: handle endianness in dwmac4_get_timestamp
doc: Mention MSG_ZEROCOPY implementation for UDP
mlxsw: __mlxsw_sp_port_headroom_set(): Fix a use of local variable
...
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Another platform requires even longer delay to make the device work
correctly after S3.
So increase the delay to 300ms.
BugLink: https://bugs.launchpad.net/bugs/1798921
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Passing the struct ptp_clock_info caps by parameter is passing over 130 bytes
of data by value on the stack. Optimize this by passing it by reference instead.
Also shinks the object code size:
Before:
text data bss dec hex filename
12596 2160 64 14820 39e4 drivers/ptp/ptp_qoriq.o
After:
text data bss dec hex filename
12567 2160 64 14791 39c7 drivers/ptp/ptp_qoriq.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When disabling vport, relevant vport configurations will be cleaned
up. These cleanups should be done to the vports which had these configs
applied at vport enablement. As esw manager vport didn't have such
vport config applied, cleanup should not touch it.
Fixes: de9e6a8136c5 ("net/mlx5: E-Switch, Properly refer to host PF vport as other vport")
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Reported-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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When eswitch gets vport data structure, the index should not be out
of the range of the vport array. Driver mistakenly used vport number
to check the range.
Fixes: 22b8ddc86bf4 ("net/mlx5: E-Switch, Assign a different position for uplink rep and vport")
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Fix the following compiler warning:
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c:2770:
warning: unused variable ‘esw’ [-Wunused-variable]
Fixes: 1cd3ab86b713 ("net/mlx5e: Introduce mlx5e_flow_esw_attr_init() helper")
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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fpga_qpn was assigned but never used and compilation with W=1
produced the following warning:
drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c: In function _mlx5_fpga_event_:
drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c:320:6: warning:
variable _fpga_qpn_ set but not used [-Wunused-but-set-variable]
u32 fpga_qpn;
^~~~~~~~
Fixes: 98db16bab59f ("net/mlx5: FPGA, Handle QP error event")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Compilation with W=1 produces following warning:
drivers/net/ethernet/mellanox/mlx5/core/en/monitor_stats.c:69:6:
warning: no previous prototype for _mlx5e_monitor_counter_start_ [-Wmissing-prototypes]
void mlx5e_monitor_counter_start(struct mlx5e_priv *priv)
^~~~~~~~~~~~~~~~~~~~~~~~~~~
Avoid it by declaring mlx5e_monitor_counter_start() as a static function.
Fixes: 5c7e8bbb0257 ("net/mlx5e: Use monitor counters for update stats")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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This patch is a little improvement. Simplify the mlx5e_tc_add_fdb_flow().
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Introduce the mlx5e_flow_esw_attr_init() helper
for simplifying codes.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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With recent introduction of flow_rule infrastructure drivers no longer
directly include action headers, so it is no longer possible to use
constants defined in them. Instead, one of flow_rule patches substituted
pedit action header constant with hardcoded value '2' in mlx5
set_pedit_val() function conditional which verifies that header type is in
range of values allowed by pedit action. That conditional is now both
wrong (hardcoded value is '2' but __PEDIT_HDR_TYPE_MAX is 6 in current
version) and superfluous (pedit action already verifies that header type is
in allowed range during init). Remove the described check from mlx5 code.
Fixes: 738678817573 ("drivers: net: use flow action infrastructure")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Dmytro Linkin <dmitrolin@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Take into a function the common code structure of opening
a side set of channels followed by a call to apply them.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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In previous patch, driver added new speed modes: 50Gbps per lane support
for 50G/100G/200G. This patch modifies mlx5e_get_link_ksettings and
mlx5e_set_link_ksettings to set and get these link modes via ethtool.
In order to do so, added mapping of new HW bits to ethtool bitmap and
enforce mutual exclusion between extended link modes and previously
defined link modes.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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This patch is to do code cleanup for ns83820_probe_phy().
It deletes unused variable 'first', commented out code,
and the pointless 'for' loop.
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RGMII_ID specifies that we should have internal delay, so resurrect the
delay addition routine but under the RGMII_ID mode.
Fixes: 40269aa9f40a ("net: dsa: qca8k: disable delay for RGMII mode")
Tested-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When fail, translate_desc() returns negative value, otherwise the
number of iovs. So we should fail when the return value is negative
instead of a blindly check against zero.
Detected by CoverityScan, CID# 1442593: Control flow issues (DEADCODE)
Fixes: cc5e71075947 ("vhost: log dirty page correctly")
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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[Why]
The visual corruption due to low display clock value.
Observed on Carrizo 4K@60Hz.
[How]
There was earlier patch for dce_update_clocks:
Adding +15% workaround also to to dce11_update_clocks
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
drm_dp_mst_topology_mgr_suspend() is added into the new reboot
sequence, which disables the UP request at the beginning.
Therefore sideband messages are blocked.
[How]
Finish MST sideband message transaction before UP request is
suppressed.
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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