mt76: mmio: introduce mt76x02_check_tx_hang watchdog
authorLorenzo Bianconi <lorenzo.bianconi@redhat.com>
Fri, 28 Dec 2018 14:44:09 +0000 (15:44 +0100)
committerFelix Fietkau <nbd@nbd.name>
Fri, 11 Jan 2019 14:10:19 +0000 (15:10 +0100)
commitc1e0d2be0acff5e99a59ddcc5af415e48abc6c5e
treebd6635e2777ffe7365b14925acb2669bc43cdffd
parent87e86f90196fa074f8f6ac0e77d1287d9239878b
mt76: mmio: introduce mt76x02_check_tx_hang watchdog

Port mt76x02_check_tx_hang watchdog from vendor driver in order to
perform a device reset when tx mac/dma logic hangs. Tx mac/dma stuck
has been observed when the device is heavy loaded or in a noisy
environment. Moreover introduce wdt delayed work in order to run
tx_hang watchdog. For the moment run mt76x02_check_tx_hang watchdog
just on mt76x2 devices since the issue has not been observed on mt76x0
driver yet

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
drivers/net/wireless/mediatek/mt76/mt76.h
drivers/net/wireless/mediatek/mt76/mt76x02.h
drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
drivers/net/wireless/mediatek/mt76/mt76x02_util.c
drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c
drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c