From: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx> [ Upstream commit 56311a315da7ebc668dbcc2f1c99689cc10796c4 ] If the phy enables power saving technology, the dwmac's software reset needs more time to complete, enlarge dma reset timeout to 200000us. Signed-off-by: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20201113090902.5c7aab1a@xhacker.debian Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c index cb87d31a99dfb..57a53a600aa55 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c @@ -23,7 +23,7 @@ int dwmac_dma_reset(void __iomem *ioaddr) return readl_poll_timeout(ioaddr + DMA_BUS_MODE, value, !(value & DMA_BUS_MODE_SFT_RESET), - 10000, 100000); + 10000, 200000); } /* CSR1 enables the transmit DMA to check for new descriptor */ -- 2.27.0
