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mt7603: add rx dma watchdog check

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Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2016-02-28 21:14:48 +01:00
parent b8aea35d1d
commit 72bd478b7d
2 changed files with 16 additions and 0 deletions
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mt7603.h
+1
View File
@@ -125,6 +125,7 @@ struct mt7603_dev {
u8 tx_check;
u8 txrx_check;
u8 rx_dma_check;
u8 rx_pse_check;
u16 tx_dma_idx[4];
mt7603_mac.c
+15
View File
@@ -1017,6 +1017,18 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
mt7603_beacon_set_timer(dev, -1, beacon_int);
}
static bool mt7603_rx_dma_busy(struct mt7603_dev *dev)
{
u32 val;
if (!(mt76_rr(dev, MT_WPDMA_GLO_CFG) & MT_WPDMA_GLO_CFG_RX_DMA_BUSY))
return false;
mt76_wr(dev, 0x4244, 0x98000000);
val = mt76_rr(dev, 0x4244);
return !!(val & BIT(9));
}
static bool mt7603_tx_dma_busy(struct mt7603_dev *dev)
{
u32 val;
@@ -1101,12 +1113,15 @@ void mt7603_mac_work(struct work_struct *work)
if (WARN_ON_ONCE(mt7603_watchdog_check(dev, &dev->tx_check,
mt7603_tx_dma_busy)) ||
WARN_ON_ONCE(mt7603_watchdog_check(dev, &dev->rx_dma_check,
mt7603_rx_dma_busy)) ||
WARN_ON_ONCE(mt7603_watchdog_check(dev, &dev->txrx_check,
mt7603_tx_rx_dma_busy)) ||
WARN_ON_ONCE(mt7603_watchdog_check(dev, &dev->rx_pse_check,
mt7603_rx_pse_busy))) {
dev->tx_check = 0;
dev->txrx_check = 0;
dev->rx_dma_check = 0;
dev->rx_pse_check = 0;
dev->rx_dma_idx = ~0;
memset(dev->tx_dma_idx, 0xff, sizeof(dev->tx_dma_idx));