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Subject[net-next, PATCH] net: stmmac: use correct define to get rx timestamp on GMAC4
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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>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
index 20299f6..9f062b3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
@@ -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(p->des3 & RDES3_RDES1_VALID)) {
if (likely(le32_to_cpu(p->des1) & RDES1_TIMESTAMP_AVAILABLE)) {
int i = 0;

--
2.7.4
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