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wifi: mt76: mt792x: enable USB UDMA TX timeout

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Configure the USB UDMA TX timeout limit and enable timeout detection
during DMA initialization, matching the vendor driver setup. Use a
longer timeout to avoid false alarms.

Signed-off-by: Sean Wang <[email protected]>
Link: https://patch.msgid.link/[email protected]
This commit is contained in:
Sean Wang
2026-07-21 10:36:58 +02:00
committed by Felix Fietkau
parent e1a1abf100
commit ece1f4a5a8
1 changed files with 5 additions and 0 deletions
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mt792x_usb.c
+5
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@@ -11,6 +11,7 @@
#include "mt792x.h"
#include "mt76_connac2_mac.h"
#define MT792X_USB_TX_TIMEOUT_LIMIT 50000
#define MT792X_USB_UDMA_IDLE_TIMEOUT 1000
static int mt792xu_read32(struct mt76_dev *dev, u32 addr, void *buf)
@@ -396,6 +397,10 @@ int mt792xu_dma_init(struct mt792x_dev *dev, bool resume)
mt76_set(dev, MT_UDMA_WLCFG_0,
MT_WL_RX_EN | MT_WL_TX_EN |
MT_WL_RX_MPSZ_PAD0 | MT_TICK_1US_EN);
mt76_rmw(dev, MT_UDMA_WLCFG_1, MT_WL_TX_TMOUT_LMT,
FIELD_PREP(MT_WL_TX_TMOUT_LMT,
MT792X_USB_TX_TIMEOUT_LIMIT));
mt76_set(dev, MT_UDMA_WLCFG_0, MT_WL_TX_TMOUT_FUNC_EN);
mt76_clear(dev, MT_UDMA_WLCFG_0,
MT_WL_RX_AGG_TO | MT_WL_RX_AGG_LMT);
mt76_clear(dev, MT_UDMA_WLCFG_1, MT_WL_RX_AGG_PKT_LMT);