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commit e6db67fa871dee37d22701daba806bfcd4d9df49 upstream.
This helps avoid cleartext leakage of already queued or powersave buffered
packets, when a reassoc triggers the key deletion.
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230330091259.61378-1-nbd@nbd.name
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is a preliminary patch to introduce WED RX support for mt7915.
Tested-by: Daniel Golle <daniel@makrotopia.org>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Move aggregation stats array per-phy instead of share it between multiple
interfaces. This is a preliminary patch to add mt7996 driver support.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This is a preliminary patch to move aggr_stats array in mt76_phy
structure.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This adds selectable RTC/CTS enablement for each interface.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Checking the relevant rxd bits for the checksum information only indicates
if the checksum verification was performed by the hardware and doesn't show
actual checksum errors. Checksum errors are indicated in the info field of
the DMA descriptor. Fix packets erroneously marked as CHECKSUM_UNNECESSARY
by checking the extra bits as well.
Those bits are only passed to the driver for MMIO devices at the moment, so
limit checksum offload to those.
Fixes: 2122dfbfd0bd ("mt76: mt7615: add rx checksum offload support")
Fixes: 94244d2ea503 ("mt76: mt7915: add rx checksum offload support")
Fixes: 0e75732764e8 ("mt76: mt7921: enable rx csum offload")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221005130824.23371-2-nbd@nbd.name
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When 802.3 decap offload is enabled, the hardware indicates header translation
failure, whenever either the LLC-SNAP header was not found, or a VLAN header
with an unregcognized tag is present.
In that case, the hardware inserts a 2-byte length fields after the MAC
addresses. For VLAN packets, this tag needs to be removed. However,
for 802.3 LLC packets, the length bytes should be preserved, since there
is no separate ethertype field in the data.
This fixes an issue where the length field was omitted for LLC frames, causing
them to be malformed after hardware decap.
Fixes: 1eeff0b4c1a6 ("mt76: mt7915: fix decap offload corner case with 4-addr VLAN frames")
Reported-by: Chad Monroe <chad.monroe@smartrg.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221005130824.23371-1-nbd@nbd.name
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The code was accidentally shifting register values down by tid % 32 instead of
(tid * field_size) % 32.
Cc: stable@vger.kernel.org
Fixes: a28bef561a5c ("mt76: mt7615: re-enable offloading of sequence number assignment")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220826182329.18155-1-nbd@nbd.name
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Report phy_indx in tx_info->hw_queue. This is a preliminary patch to add
newer chipset support
Co-developed-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Introduce phy_idx to mt76_wcid structure instead of ext_phy.
This is a preliminary patch to add newer chipset support.
Co-developed-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Introduce phys array in mt76_dev structure to reference mt76_phy
supported by the chipset. This is a preliminary patch to introduce
newer chipset support.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Introduce phy_idx mt76_rx_status instead of ext_idx. This is a
preliminary patch to add newer chipset support
Co-developed-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Previously the code used skb_set_queue_mapping for management or non-bufferable
powersave frames that need to be sent to a different hardware queue.
This can confuse AQL, which expects the value to remain the same until the tx
status report.
The only place that currently uses the altered skb queue mapping is the txwi
write function. Change the code to pass the hardware queue id as a function
parameter instead.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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For some reason, mt7615 reacts badly to repeatedly enabling/disabling the radar
detector without also switching the channel.
This results in very bad throughput on DFS channels, because
hw->conf.radar_enabled can get toggled a few times after CAC ends.
Fix this by always leaving the DFS detector enabled on DFS channels and instead
suppress unwanted detection events.
Fixes: 2c86f6752046 ("mt76: mt7615: fix/rewrite the dfs state handling logic")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Move mt7615_txp_skb_unmap in shared code and reuse it in mt7915e and
mt7921e driver.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Move mt76_connac_tx_free structure in mt76_connac module since it is
shared by mt7615 and mt7921 drivers.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Since mt7615_txp_ptr is shared between mt7615 and mt7921 move it in
mt76_connac module.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Since mt76_connac_fw_txp struct is shared between mt7615e, mt7915e and
mt7921e, move it in mt76_connac module.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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napi_schedule() can call __raise_softirq_irqoff(), which can perform softirq
handling, so it must not be called in a pure process context with BH enabled.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Switch to use le32/16_get_bits() to simplfy codes and specify
the size explicitly to avoid potential issues.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Instead of just taking the maximum per-chain signal strength values,
add an approximation for the sum of the combined signal.
This should more accurately reflect the real signal strength, especially
if the per-chain signal strength values are close to each other
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Smatch reports the following:
drivers/net/wireless/mediatek/mt76/mt7615/mac.c:1865
mt7615_mac_adjust_sensitivity() warn: assigning (-110) to unsigned
variable 'def_th'
drivers/net/wireless/mediatek/mt76/mt7615/mac.c:1865
mt7615_mac_adjust_sensitivity() warn: assigning (-98) to unsigned
variable 'def_th'
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Fix ht ctl field size in mt{7615,7915,7921}_reverse_frag0_hdr_trans.
Fix the following endianness warnings in mt{7615,7915,7921}_reverse_frag0_hdr_trans:
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:29: warning: cast to restricted __le32
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:29: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:29: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:27: warning: incorrect type in assignment (different base types)
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:27: expected restricted __le16 [usertype] frame_control
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:27: got unsigned long
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:24: warning: cast to restricted __le32
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:24: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:24: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:22: warning: incorrect type in assignment (different base types)
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:22: expected restricted __le16 [usertype] seq_ctrl
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:22: got unsigned long
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:20: warning: cast to restricted __le32
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:20: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:20: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:18: warning: incorrect type in assignment (different base types)
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:18: expected restricted __le32 [usertype] qos_ctrl
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:18: got unsigned long
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:19: warning: cast to restricted __le32
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:19: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:19: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:17: warning: incorrect type in assignment (different base types)
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:17: expected restricted __le32 [usertype] ht_ctrl
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:17: got unsigned long
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:448:25: warning: restricted __be16 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:448:38: warning: restricted __be16 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1450:23: warning: incorrect type in assignment (different base types)
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1450:23: expected unsigned int [usertype] *cur_info
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1450:23: got restricted __le32 *
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1451:34: warning: cast to restricted __le32
Fixes: dc5399a50b45f ("mt76: reverse the first fragmented frame to 802.11")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Do not always copy ethernet header in mt{7615,7915,7921}_reverse_frag0_hdr_trans
and use a pointer instead.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Copy the updated logic from mt7915 to to fix issues in handling DFS radar
detector states
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add missing mt76_connac_pm_dequeue_skbs routine waking up mt7663s device
from runtime-pm sleep state.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Fix a possible race in mt7615_pm_power_save_work() if rx/tx napi
schedules ps_work and we are currently accessing device register
on a different cpu.
Fixes: db928f1ab9789 ("mt76: mt7663: rely on mt76_connac_pm_ref/mt76_connac_pm_unref in tx/rx napi")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Similar to mt7915 driver, process txfree and txstatus without allocating
skbs in order to reduce pressure on the memory allocator
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Move mt76_connac_mcu_rdd_cmd routine in mt76-connac module and remove
duplicated code.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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With 4-address mode VLAN frames, an internal header translation step fails,
leaving behind an extra 2-byte length field that must be reomved by the driver.
Add a check for this condition to fix receiving such packets
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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MAC80211 doesn't care any decryption error in 802.3 path, so received
frame will be dropped if HW tell us that the cipher configuration is not
matched as well as the header has been translated to 802.3. This case only
appears when IEEE80211_FCTL_PROTECTED is 0 and cipher suit is not none in
the corresponding HW entry.
The received frame is only reported to monitor interface if HW decryption
block tell us there is ICV error or CCMP/BIP/WPI MIC error. Note in this
case the reported frame is decrypted 802.11 frame and the payload may be
malformed due to mismatched key.
Signed-off-by: Xing Song <xing.song@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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The HW can apply header translation to first fragmented frame, and
ramaining fragmented frame can only keep 802.11 format. Check and
reverse the first fragmented frame to 802.11 format to make sure
them can be defragmented by mac80211.
Signed-off-by: Xing Song <xing.song@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Remove mt76_wcid pointer from mt76_tx_status_check signature since it is
always set to NULL
Tested-by: mrkiko.rs@gmail.com
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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When clearing all existing pending tx slots, mt76_tx_complete_skb needs to
be used to free the skbs, to ensure that they are cleared from the status
list as well.
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Fix the following sparse warning in mt7615_mac_write_txwi routine:
drivers/net/wireless/mediatek/mt76/mt7615/mac.c:758:17:
warning: incorrect type in assignment
expected restricted __le32 [usertype]
got unsigned long
Fixes: 04b8e65922f63 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
Fixes: d4bf77bd74930 ("mt76: mt7615: introduce mt7663u support to mt7615_write_txwi")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Set macwork timeout value according to runtime-pm in order to reduce
power consumption
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Similar to mt7663e, rely on mt76_connac_pm_ref/mt76_connac_pm_unref to
check PM state and increment/decrement wake counter
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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The iv from RXD is only for TKIP_RSC/CCMP_PN/GCMP_PN, and it needs a
check for CCMP header insertion. Move mt76_cipher_type to mt76.h to
reduce duplicated code.
Signed-off-by: Xing Song <xing.song@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Reduce duplicated survey for DBDC.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Patch radar parameters to match the SDK to avoid possible false alarms.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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It's much more accurate than .get_tsf + .set_tsf and switch to use
mt76_rmw to operate tsf registers.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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It overwrites mt76_tx_cb data in the skb
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Rely on the txs fixed-rate bit instead of info->control.rates
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Do not run ieee80211_queue_delayed_work for mac work if the worqueue is
not initialized yet
Fixes: b1bd7bb8121d ("mt76: connac: unschedule mac_work before going to sleep")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/5bfd36a75799c37b12fcb54d17e77fbc2c7a0558.1619187875.git.lorenzo@kernel.org
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In order to wake the device less frequently and so reduce power
consumpation, unschedule mac_work before going to sleep
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Move token management in mt76 common module since it is shared between
mt7615, mt7915 and mt7921 drivers
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Move token_lock, token and token_count data structures in mt76_dev.
This is a preliminary patch to move token management in mt76 common
module since it is shared by mt7615, mt7915 and mt7921 drivers.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Simplify the code using a wait_queue_head_t instead of a completion to
wait the chip is fully awake in mt76_connac_pm_wake routine
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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move scanning check from mt76_connac_power_save_sched routine
to mt7921_pm_power_save_work/mt7615_pm_power_save_work ones
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Get rid of MT76_STATE_PM chec in mt7615_mac_tx_free and
mt7921_mac_tx_free since we already rely on mt76_connac_pm_unref in the
NAPI callback.
Remove mt76_connac_power_save_sched calls in mt7615_mac_tx_free and
mt7921_mac_tx_free
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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