qede: Adverstise software timestamp caps when PHC is not available.

When ptp clock is not available for a PF (e.g., higher PFs in NPAR mode), get-tsinfo() callback should return the software timestamp capabilities instead of returning the error. Fixes: 4c55215 ("qede: Add driver support for PTP") Signed-off-by: Sudarsana Reddy Kalluru <[email protected]> Signed-off-by: Michal Kalderon <[email protected]> Signed-off-by: David S. Miller <[email protected]>
jb55 · Jul 2, 2018 · 82a4e71 · 82a4e71
1 parent cc9b27c
commit 82a4e71
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ptp.c b/drivers/net/ethernet/qlogic/qede/qede_ptp.c
@@ -337,8 +337,14 @@ int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *info)
 {
 	struct qede_ptp *ptp = edev->ptp;
 
-	if (!ptp)
-		return -EIO;
+	if (!ptp) {
+		info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
+					SOF_TIMESTAMPING_RX_SOFTWARE |
+					SOF_TIMESTAMPING_SOFTWARE;
+		info->phc_index = -1;
+
+		return 0;
+	}
 
 	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
 				SOF_TIMESTAMPING_RX_SOFTWARE |