diff options
| author |   Jisheng Zhang <Jisheng.Zhang@synaptics.com> | 2020-11-13 09:09:02 +0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2020-11-14 16:04:02 -0800 |
| commit | 56311a315da7ebc668dbcc2f1c99689cc10796c4 (patch) | |
| tree | c5f7a69afd70cb3292ae2ec519e57a86878cb9f5 | |
| parent | lan743x: prevent entire kernel HANG on open, for some platforms (diff) | |
| download | linux-dev-56311a315da7ebc668dbcc2f1c99689cc10796c4.tar.xz linux-dev-56311a315da7ebc668dbcc2f1c99689cc10796c4.zip | |
net: stmmac: dwmac_lib: enlarge dma reset timeout
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>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c index cb87d31a99df..57a53a600aa5 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 */ |