SBC_builder/patch/kernel/rockchip64-6.16/temporary-workaround-dma-reset.patch
2025-08-21 23:20:43 +02:00

22 lines
820 B
Diff

Temporary patch to workaround a DMA reset issue with rockchip
devices experienced at least on rk3288 and rk3328 with a message
like this:
rk_gmac-dwmac ff290000.ethernet end0: Failed to reset the dma
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index e0fb06af1f94..156a5d25d1fd 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3133,8 +3133,8 @@ static int stmmac_init_dma_engine(struct stmmac_priv *priv)
ret = stmmac_reset(priv, priv->ioaddr);
if (ret) {
- netdev_err(priv->dev, "Failed to reset the dma\n");
- return ret;
+ netdev_warn(priv->dev, "Failed to reset the dma, device will work with reduced throughput\n");
+ ret = 0;
}
/* DMA Configuration */