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mt76: mt76x2: implement full device restart on watchdog reset

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Restart the firmware and re-initialize the MAC to be able to recover
from more kinds of hang states

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2019-02-27 19:42:41 +01:00
parent 30e757eb29
commit fa8340696f
7 changed files with 121 additions and 6 deletions
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mt76x2/pci_mcu.c
+21
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@@ -165,9 +165,30 @@ error:
return -ENOENT;
}
static int
mt76pci_mcu_restart(struct mt76_dev *mdev)
{
struct mt76x02_dev *dev;
int ret;
dev = container_of(mdev, struct mt76x02_dev, mt76);
mt76x02_mcu_cleanup(dev);
mt76x2_mac_reset(dev, true);
ret = mt76pci_load_firmware(dev);
if (ret)
return ret;
mt76_wr(dev, MT_WPDMA_RST_IDX, ~0);
return 0;
}
int mt76x2_mcu_init(struct mt76x02_dev *dev)
{
static const struct mt76_mcu_ops mt76x2_mcu_ops = {
.mcu_restart = mt76pci_mcu_restart,
.mcu_send_msg = mt76x02_mcu_msg_send,
};
int ret;