net: stmmac: use correct define to get rx timestamp on GMAC4
authorAlexandre Torgue <alexandre.torgue@st.com>
Thu, 14 Feb 2019 16:03:44 +0000 (17:03 +0100)
committerDavid S. Miller <davem@davemloft.net>
Sun, 17 Feb 2019 02:13:58 +0000 (18:13 -0800)
In dwmac4_wrback_get_rx_timestamp_status we looking for a RX timestamp.
For that receive descriptors are handled and so we should use defines
related to receive descriptors. It'll no change the functional behavior
as RDES3_RDES1_VALID=TDES3_RS1V=BIT(26) but it makes code easier to read.

Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c

index 20299f6f65fce13d7deccacf5d27ba50cc858b46..90045fffd393827a0626fd94435bbc443768757c 100644 (file)
@@ -268,7 +268,7 @@ static int dwmac4_wrback_get_rx_timestamp_status(void *desc, void *next_desc,
        int ret = -EINVAL;
 
        /* Get the status from normal w/b descriptor */
-       if (likely(p->des3 & TDES3_RS1V)) {
+       if (likely(le32_to_cpu(p->des3) & RDES3_RDES1_VALID)) {
                if (likely(le32_to_cpu(p->des1) & RDES1_TIMESTAMP_AVAILABLE)) {
                        int i = 0;