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net: stmmac: dwmac_lib: enlarge dma reset timeout

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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>
This commit is contained in:
Jisheng Zhang 2020-11-13 09:09:02 +08:00 committed by Jakub Kicinski
parent 796a2665ca
commit 56311a315d
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
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@ -23,7 +23,7 @@ int dwmac_dma_reset(void __iomem *ioaddr)
return readl_poll_timeout(ioaddr + DMA_BUS_MODE, value, return readl_poll_timeout(ioaddr + DMA_BUS_MODE, value,
!(value & DMA_BUS_MODE_SFT_RESET), !(value & DMA_BUS_MODE_SFT_RESET),
10000, 100000); 10000, 200000);
} }
/* CSR1 enables the transmit DMA to check for new descriptor */ /* CSR1 enables the transmit DMA to check for new descriptor */