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- From: Felix Fietkau <[email protected]>
- Date: Thu, 18 Jan 2024 12:51:32 +0100
- Subject: [PATCH] net: ethernet: mtk_eth_soc: fix WED + wifi reset
- The WLAN + WED reset sequence relies on being able to receive interrupts from
- the card, in order to synchronize individual steps with the firmware.
- When WED is stopped, leave interrupts running and rely on the driver turning
- off unwanted ones.
- WED DMA also needs to be disabled before resetting.
- Fixes: f78cd9c783e0 ("net: ethernet: mtk_wed: update mtk_wed_stop")
- Signed-off-by: Felix Fietkau <[email protected]>
- ---
- --- a/drivers/net/ethernet/mediatek/mtk_wed.c
- +++ b/drivers/net/ethernet/mediatek/mtk_wed.c
- @@ -1071,13 +1071,13 @@ mtk_wed_dma_disable(struct mtk_wed_devic
- static void
- mtk_wed_stop(struct mtk_wed_device *dev)
- {
- + mtk_wed_dma_disable(dev);
- mtk_wed_set_ext_int(dev, false);
-
- wed_w32(dev, MTK_WED_WPDMA_INT_TRIGGER, 0);
- wed_w32(dev, MTK_WED_WDMA_INT_TRIGGER, 0);
- wdma_w32(dev, MTK_WDMA_INT_MASK, 0);
- wdma_w32(dev, MTK_WDMA_INT_GRP2, 0);
- - wed_w32(dev, MTK_WED_WPDMA_INT_MASK, 0);
-
- if (!mtk_wed_get_rx_capa(dev))
- return;
- @@ -1090,7 +1090,6 @@ static void
- mtk_wed_deinit(struct mtk_wed_device *dev)
- {
- mtk_wed_stop(dev);
- - mtk_wed_dma_disable(dev);
-
- wed_clr(dev, MTK_WED_CTRL,
- MTK_WED_CTRL_WDMA_INT_AGENT_EN |
- @@ -2621,9 +2620,6 @@ mtk_wed_irq_get(struct mtk_wed_device *d
- static void
- mtk_wed_irq_set_mask(struct mtk_wed_device *dev, u32 mask)
- {
- - if (!dev->running)
- - return;
- -
- mtk_wed_set_ext_int(dev, !!mask);
- wed_w32(dev, MTK_WED_INT_MASK, mask);
- }
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