diff options
| author | Jose Abreu <Jose.Abreu@synopsys.com> | 2019-12-18 13:17:39 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-12-18 23:04:17 +0300 |
| commit | 11d55fd9975f8e46a0e5e19c14899544e81e1e15 (patch) | |
| tree | a317ffb815c49d304cb0d47bc8d570efae8409aa /drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | |
| parent | 93b5dce401ccd4a688fe1f0d0bf0d97e63cdf921 (diff) | |
| download | linux-11d55fd9975f8e46a0e5e19c14899544e81e1e15.tar.xz | |
net: stmmac: xgmac: Clear previous RX buffer size
When switching between buffer sizes we need to clear the previous value.
Fixes: d6ddfacd95c7 ("net: stmmac: Add DMA related callbacks for XGMAC2")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c index 22a7f0cc1b90..f3f08ccc379b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c @@ -482,7 +482,8 @@ static void dwxgmac2_set_bfsize(void __iomem *ioaddr, int bfsize, u32 chan) u32 value; value = readl(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan)); - value |= bfsize << 1; + value &= ~XGMAC_RBSZ; + value |= bfsize << XGMAC_RBSZ_SHIFT; writel(value, ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan)); } |