net: stmmac: increase the timeout for dma reset

fugangduan · davem330 · commit 9d14edfdeabf · 2020-12-08T14:52:29.000-08:00
Current timeout value is not enough for gmac5 dma reset
on imx8mp platform, increase the timeout range.

Signed-off-by: Fugang Duan &lt;fugang.duan@nxp.com&gt;
Signed-off-by: Joakim Zhang &lt;qiangqing.zhang@nxp.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
@@ -22,7 +22,7 @@ int dwmac4_dma_reset(void __iomem *ioaddr)
 
 	return readl_poll_timeout(ioaddr + DMA_BUS_MODE, value,
 				 !(value & DMA_BUS_MODE_SFT_RESET),
-				 10000, 100000);
+				 10000, 1000000);
 }
 
 void dwmac4_set_rx_tail_ptr(void __iomem *ioaddr, u32 tail_ptr, u32 chan)

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ int dwmac4_dma_reset(void __iomem *ioaddr)`
`22`	`22`
`23`	`23`	`return readl_poll_timeout(ioaddr + DMA_BUS_MODE, value,`
`24`	`24`	`!(value & DMA_BUS_MODE_SFT_RESET),`
`25`		`- 10000, 100000);`
	`25`	`+ 10000, 1000000);`
`26`	`26`	`}`
`27`	`27`
`28`	`28`	`void dwmac4_set_rx_tail_ptr(void __iomem *ioaddr, u32 tail_ptr, u32 chan)`