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Don't populate the array mt76x0_chan_map on the stack but instead make it
static const. Makes the object code smaller by 80 bytes.
Before:
text data bss dec hex filename
7685 1192 0 8877 22ad mediatek/mt76/mt76x0/eeprom.o
After:
text data bss dec hex filename
7541 1256 0 8797 225d mediatek/mt76/mt76x0/eeprom.o
(gcc version 9.2.1, amd64)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Introduce lockdep_assert_held macro in __mt76u_vendor_request routine
and remove comments regarding usb_ctrl_mtx lock
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Remove empty flag in mt76_txq_schedule_list and mt76_txq_send_burst
since we just need retry_q length to notify mac80211 to reschedule the
current tx queue
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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The workqueue item needs to be fully shut down before the struct can be
freed.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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It is unused
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Adjust filters and ensure frames don't get sent to MCU instead of host
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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into drm-intel-next-fixes
gvt-next-fixes-2019-11-12
- Remove PVINFO read for initial state (Tina)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191112062032.GO4196@zhen-hp.sh.intel.com
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Modify cpuidle_use_deepest_state() to take an additional exit latency
limit argument to be passed to find_deepest_idle_state() and make
cpuidle_idle_call() pass dev->forced_idle_latency_limit_ns to it for
forced idle.
Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
[ rjw: Rebase and rearrange code, subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In some cases it may be useful to specify an exit latency limit for
the idle state to be used during CPU idle time injection.
Instead of duplicating the information in struct cpuidle_device
or propagating the latency limit in the call stack, replace the
use_deepest_state field with forced_latency_limit_ns to represent
that limit, so that the deepest idle state with exit latency within
that limit is forced (i.e. no governors) when it is set.
A zero exit latency limit for forced idle means to use governors in
the usual way (analogous to use_deepest_state equal to "false" before
this change).
Additionally, add play_idle_precise() taking two arguments, the
duration of forced idle and the idle state exit latency limit, both
in nanoseconds, and redefine play_idle() as a wrapper around that
new function.
This change is preparatory, no functional impact is expected.
Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
[ rjw: Subject, changelog, cpuidle_use_deepest_state() kerneldoc, whitespace ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Start supporting API version 52 for 22000 series.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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kasprintf() can fail, we should check the return value.
Fixes: 5ed540aecc2a ("iwlwifi: use mac80211 throughput trigger")
Fixes: 8ca151b568b6 ("iwlwifi: add the MVM driver")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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There's no multicast wake lock in the driver, remove the comment
that refers to it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We trace the whole TFD with all TBs when in iwlwifi_dev_tx,
but sometimes we add TBs to it later and then we don't have
any of this data. Trace the I/O virtual address (IOVA) (it
can be the physical address, or as returned by the IOMMU)
here to aid debugging the DMA flows.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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There is no need to check 'priv->bt_ant_couple_ok' twice in
rs_bt_update_lq(). The second check is always true. Thus, the
expression can be simplified.
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This makes it easier for user-space to know how many antennas the
radio has. Seems to work with the AX200 radio, at least.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This is a little less efficient now as it's known to be a
multiqueue device in this function, but a future patch will
have to use a variable here anyway, so use rxq->queue_size
now instead to make it clearer.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This email alias (ilw@linux.intel.com) hasn't been functional
for probably closer to a decade than not, remove it. It's not
really clear to me how this ended up in new code though.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This field isn't set by any configuration, remove it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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These aren't used outside the rx.c file, so make them static.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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1. Modify channel config flags to be used for legacy bands channels
as well, to indicate SSIDs elements from ssidIEsArray.
2. Add new general flag.
3. Remove ssidNum from probe params.
Signed-off-by: Tova Mussai <tova.mussai@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When the implementation of SKBs with fraglist was sent upstream, a
merge-damage occurred and half the patch was not applied.
This causes problems in high-throughput situations with AX200 devices,
including low throughput and FW crashes.
Introduce the part that was missing from the original patch.
Fixes: 0044f1716c4d ("iwlwifi: pcie: support transmitting SKBs with fraglist")
Cc: stable@vger.kernel.org # 4.20+
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
[ This patch was created by me, but the original author of this code
is Johannes, so his s-o-b is here and he's marked as the author of
the patch. ]
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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As we want to be able to run inside atomic context for retiring the
i915_active, and we are no longer allowed to abuse mutex_trylock, split
the tree management portion of i915_active.mutex into an irq-safe
spinlock.
References: a0855d24fc22d ("locking/mutex: Complain upon mutex API misuse in IRQ contexts")
References: https://bugs.freedesktop.org/show_bug.cgi?id=111626
Fixes: 274cbf20fd10 ("drm/i915: Push the i915_active.retire into a worker")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191114172535.1116-1-chris@chris-wilson.co.uk
(cherry picked from commit c9ad602feabe4271d2adf1bdae5d8b20c2dc84f1)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c: In function rtl8xxxu_c2hcmd_callback:
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:5396:24: warning: variable vif set but not used [-Wunused-but-set-variable]
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c: In function rtl8xxxu_c2hcmd_callback:
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:5397:17: warning: variable dev set but not used [-Wunused-but-set-variable]
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c: In function rtl8xxxu_c2hcmd_callback:
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:5400:6: warning: variable len set but not used [-Wunused-but-set-variable]
They are introduced by commit e542e66b7c2e ("rtl8xxxu:
add bluetooth co-existence support for single antenna"), but never used,
so remove them.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Reviewed-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This fixes a minor WARNING in the cfg80211:
[ 130.658034] ------------[ cut here ]------------
[ 130.662805] WARNING: CPU: 1 PID: 610 at net/wireless/core.c:954 wiphy_unregister+0xb4/0x198 [cfg80211]
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Keeping interrupts on could result in brcmfmac freeing some resources
and then IRQ handlers trying to use them. That was obviously a straight
path for crashing a kernel.
Example:
CPU0 CPU1
---- ----
brcmf_pcie_reset
brcmf_pcie_bus_console_read
brcmf_detach
...
brcmf_fweh_detach
brcmf_proto_detach
brcmf_pcie_isr_thread
...
brcmf_proto_msgbuf_rx_trigger
...
drvr->proto->pd
brcmf_pcie_release_irq
[ 363.789218] Unable to handle kernel NULL pointer dereference at virtual address 00000038
[ 363.797339] pgd = c0004000
[ 363.800050] [00000038] *pgd=00000000
[ 363.803635] Internal error: Oops: 17 [#1] SMP ARM
(...)
[ 364.029209] Backtrace:
[ 364.031725] [<bf243838>] (brcmf_proto_msgbuf_rx_trigger [brcmfmac]) from [<bf2471dc>] (brcmf_pcie_isr_thread+0x228/0x274 [brcmfmac])
[ 364.043662] r7:00000001 r6:c8ca0000 r5:00010000 r4:c7b4f800
Fixes: 4684997d9eea ("brcmfmac: reset PCIe bus on a firmware crash")
Cc: stable@vger.kernel.org # v5.2+
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Different interfaces have its own link-related power save mechanism.
Such as PCI can enter L1 state based on the traffic on the link, and
sometimes driver needs to enable/disable it to avoid some issues, like
throughput degrade when PCI trying to enter L1 state even if driver is
having heavy traffic.
For now, rtw88 only supports PCIE chips, and they just need to disable
ASPM L1 when driver is not in power save mode, such as IPS and LPS.
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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By Realtek's design, there are two HW modules associated for CLKREQ,
one is responsible to follow the PCIE host settings, and another
is to actually working on it. But the module that is actually working
on it is default disabled, and driver should enable that module if
host and device have successfully sync'ed with each other.
The module is default disabled because sometimes the host does not
support it, and if there is any incorrect settings (ex. CLKREQ# is
not Bi-Direction), device can be lost and disconnected to the host.
So driver should first check after host and device are sync'ed, and
the host does support the function and set it in configuration
space, then driver can turn on the HW module to working on it.
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Reviewed-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Use a for loop to polling DBI/MDIO read/write flags to avoid
infinite loop happens
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Reviewed-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Add some register and bit macros to access DBI/MDIO register. This
should not change the logic.
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Pass HE interface type data requests between firmware and driver.
Signed-off-by: Mikhail Karpenko <mkarpenko@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Extension information elements have additional field for ID. This
commit adds TLV for such elements and a structure for interface HE
capabilities communication with firmware.
Signed-off-by: Mikhail Karpenko <mkarpenko@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Firmware floods all packets that need to be flooded (multicast, broadcast,
unknown unicast) as required. Tell kernel bridge subsystem it does not
need to flood packet itself by marking each incoming frame
with skb->offload_fwd_mark flag.
Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Use MAC address of the first active radio as a unique device ID.
Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Add interface ID information to the tail of each transmitted packet
so that firmware can know to which interface the packet belongs to.
This is only needed if device supports HW switch capability.
Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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If firmware reports that it supports hardware switch capabilities,
driver needs to track and notify device whenever broadcast domain
of a particular network device changes (ie. whenever it's upper
master device changes).
Firmware needs a unique ID to tell broadcast domains from each other
which is an opaque number otherwise. For that purpose we can use
netspace:ifidx pair to uniquely identify each broadcast domain:
- if netdev is not part of a bridge, then use it's own ifidx
as a broadcast domain ID
- if netdev is part of a bridge, then use bridge netdev ifidx
as broadcast domain ID
Firmware makes sure that packets are only forwarded between
interfaces marked with the same broadcast domain ID.
Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Currently in case of error when registering network device with the
kernel, we won't properly cleanup VIF state in firmware due to DEL_VIF
command will not be send to wifi card. Make sure it does.
Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Since read RF register is an indirect access that hardware needs time to
accomplish read action, but there's no ready bit, so delay is required to
guarantee the read value is correct. After investigating internal documents,
these delays are reduced as proper values.
Reported-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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rf_lock is used to protect RF register access, but they will not called
from interrupt context, so *_irqsave version isn't necessary. Then, these
delays don't affect IRQ services.
The old code holds spin_lock_irqsave() that will be detected a long delay
as below:
kworker/-276 4d... 0us : _raw_spin_lock_irqsave
kworker/-276 4d... 0us : rtl8723_phy_rf_serial_read <-rtl8723de_phy_set_rf_reg
kworker/-276 4d... 1us : rtl8723_phy_query_bb_reg <-rtl8723_phy_rf_serial_read
kworker/-276 4d... 3us : rtl8723_phy_set_bb_reg <-rtl8723_phy_rf_serial_read
kworker/-276 4d... 4us : __const_udelay <-rtl8723_phy_rf_serial_read
kworker/-276 4d... 4us!: delay_mwaitx <-rtl8723_phy_rf_serial_read
kworker/-276 4d... 1004us : rtl8723_phy_set_bb_reg <-rtl8723_phy_rf_serial_read
[...]
Reported-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/wireless/intel/ipw2x00/ipw2100.c: In function shim__set_security:
drivers/net/wireless/intel/ipw2x00/ipw2100.c:5582:9: warning: variable force_update set but not used [-Wunused-but-set-variable]
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/wireless/intel/ipw2x00/ipw2200.c: In function ipw_wx_set_mlme:
drivers/net/wireless/intel/ipw2x00/ipw2200.c:6805:9: warning: variable reason set but not used [-Wunused-but-set-variable]
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Instead of multiplying by page order, virtio balloon divided by page
order. The result is that it can return 0 if there are a bit less
than MAX_ORDER - 1 pages in use, and then shrinker scan won't be called.
Cc: stable@vger.kernel.org
Fixes: 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
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virtio_balloon_shrinker_scan should return number of system pages freed,
but because it's calling functions that deal with balloon pages, it gets
confused and sometimes returns the number of balloon pages.
It does not matter practically as the exact number isn't
used, but it seems better to be consistent in case someone
starts using this API.
Further, if we ever tried to iteratively leak pages as
virtio_balloon_shrinker_scan tries to do, we'd run into issues - this is
because freed_pages was accumulating total freed pages, but was also
subtracted on each iteration from pages_to_free, which can result in
either leaking less memory than we were supposed to free, or more if
pages_to_free underruns.
On a system with 4K pages we are lucky that we are never asked to leak
more than 128 pages while we can leak up to 256 at a time,
but it looks like a real issue for systems with page size != 4K.
Fixes: 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
Reported-by: Khazhismel Kumykov <khazhy@google.com>
Reviewed-by: Wei Wang <wei.w.wang@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c: In function brcmf_chip_dmp_get_regaddr:
drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:790:5: warning: variable mpnum set but not used [-Wunused-but-set-variable]
drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c: In function brcmf_chip_dmp_erom_scan:
drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:866:10: warning: variable nsp set but not used [-Wunused-but-set-variable]
drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c: In function brcmf_chip_dmp_erom_scan:
drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:866:5: warning: variable nmp set but not used [-Wunused-but-set-variable]
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In the bnx2fc_eh_abort() function there is a calculation for
wait_for_completion that uses a HZ multiplier. This is incorrect, it
scales the timeout by 1000 seconds instead of converting the ms value to
jiffies. Therefore change the calculation.
Link: https://lore.kernel.org/r/1574178394-16635-1-git-send-email-loberman@redhat.com
Reported-by: David Jeffery <djeffery@redhat.com>
Reviewed-by: John Pittman <jpittman@redhat.com>
Reviewed-by: Chad Dupuis <cdupuis1@gmail.com>
Signed-off-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Commit 1d4639567d97 ("mdio_bus: Fix PTR_ERR applied after initialization
to constant") accidentally changed a check from -ENOTSUPP to -ENOSYS,
causing failures if reset controller support is not enabled. E.g. on
r7s72100/rskrza1:
sh-eth e8203000.ethernet: MDIO init failed: -524
sh-eth: probe of e8203000.ethernet failed with error -524
Seen on r8a7740/armadillo, r7s72100/rskrza1, and r7s9210/rza2mevb.
Fixes: 1d4639567d97 ("mdio_bus: Fix PTR_ERR applied after initialization to constant")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: YueHaibing <yuehaibing@huawei.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 075e238d12c21c8bde700d21fb48be7a3aa80194.
Going to go with Geert's fix instead, which also has a
correct Fixes tag.
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to hardware user manual, bits5~7 in register
HCLGE_MISC_VECTOR_INT_STS means reset interrupts status,
but HCLGE_RESET_INT_M is defined as bits0~2 now. So it
will make hclge_reset_err_handle() read the wrong reset
interrupt status.
This patch fixes this wrong bit mask.
Fixes: 2336f19d7892 ("net: hns3: check reset interrupt status when reset fails")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pm_runtime_put_autosuspend in probe will call runtime suspend to
disable clks automatically if CONFIG_PM is defined. (If CONFIG_PM
is not defined, its implementation will be empty, then runtime
suspend will not be called.)
Therefore, we can call pm_runtime_get_sync to runtime resume it
first to enable clks, which matches the runtime suspend. (Only when
CONFIG_PM is defined, otherwise pm_runtime_get_sync will also be
empty, then runtime resume will not be called.)
Then it is fine to disable clks without causing clock count mis-match.
Fixes: c43eab3eddb4 ("net: fec: add missed clk_disable_unprepare in remove")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Modifying the link settings via phylink_ethtool_ksettings_set() and
phylink_ethtool_set_pauseparam() didn't always work as intended for
PHY based setups, as calling phylink_mac_config() would result in the
unresolved configuration being committed to the MAC, rather than the
configuration with the speed and duplex setting.
This would work fine if the update caused the link to renegotiate,
but if no settings have changed, phylib won't trigger a renegotiation
cycle, and the MAC will be left incorrectly configured.
Avoid calling phylink_mac_config() unless we are using an inband mode
in phylink_ethtool_ksettings_set(), and use phy_set_asym_pause() as
introduced in 4.20 to set the PHY settings in
phylink_ethtool_set_pauseparam().
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Update the documentation on phylink's create and destroy functions to
explicitly state that the rtnl lock must not be held while calling
these.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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