net: stmmac: xgmac: Correct RAVSEL field interpretation

RAVSEL means that only RX side is available for AVB features. As we use
both TX and RX features we need to check if RAVSEL is selected and
disable AVB if only RX side is available.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
index fd60bf5e0a72277b4653a8fb99854041632f4b70..53c4a40d8386b5bd974c0bd8e411d676542c3db1 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
@@ -369,7 +369,7 @@ static void dwxgmac2_get_hw_feature(void __iomem *ioaddr,
        dma_cap->eee = (hw_cap & XGMAC_HWFEAT_EEESEL) >> 13;
        dma_cap->atime_stamp = (hw_cap & XGMAC_HWFEAT_TSSEL) >> 12;
        dma_cap->av = (hw_cap & XGMAC_HWFEAT_AVSEL) >> 11;
-       dma_cap->av &= (hw_cap & XGMAC_HWFEAT_RAVSEL) >> 10;
+       dma_cap->av &= !(hw_cap & XGMAC_HWFEAT_RAVSEL) >> 10;
        dma_cap->arpoffsel = (hw_cap & XGMAC_HWFEAT_ARPOFFSEL) >> 9;
        dma_cap->rmon = (hw_cap & XGMAC_HWFEAT_MMCSEL) >> 8;
        dma_cap->pmt_magic_frame = (hw_cap & XGMAC_HWFEAT_MGKSEL) >> 7;