| From 48c0cc5176100e530782d98a1d0483695afcdc2e Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Fri, 13 Nov 2020 09:09:02 +0800 |
| Subject: net: stmmac: dwmac_lib: enlarge dma reset timeout |
| |
| From: Jisheng Zhang <Jisheng.Zhang@synaptics.com> |
| |
| [ 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@synaptics.com> |
| Link: https://lore.kernel.org/r/20201113090902.5c7aab1a@xhacker.debian |
| Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| 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 |
| |
