[PATCH v3 055/129] net/ice/base: be more verbose when preparing timer sync

[Anatoly Burakov]

From: Jacob Keller <jacob.e.keller at intel.com>

Add an informative error message when preparing external PHYs for a timer
sync fails.

Signed-off-by: Jacob Keller <jacob.e.keller at intel.com>
Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
---
 drivers/net/ice/base/ice_ptp_hw.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ice/base/ice_ptp_hw.c b/drivers/net/ice/base/ice_ptp_hw.c
index 9a60b5daeb..926cb23cf1 100644
--- a/drivers/net/ice/base/ice_ptp_hw.c
+++ b/drivers/net/ice/base/ice_ptp_hw.c
@@ -4912,9 +4912,16 @@ int ice_ptp_port_cmd_e810(struct ice_hw *hw, enum ice_ptp_tmr_cmd cmd,
 			  bool lock_sbq)
 {
 	u32 val = ice_ptp_tmr_cmd_to_port_reg(hw, cmd);
+	int err;
 
-	return ice_write_phy_reg_e810_lp(hw, E810_ETH_GLTSYN_CMD, val,
-					 lock_sbq);
+	err = ice_write_phy_reg_e810_lp(hw, E810_ETH_GLTSYN_CMD, val,
+					lock_sbq);
+	if (err) {
+		ice_debug(hw, ICE_DBG_PTP, "Failed to write back GLTSYN_CMD, err %d\n", err);
+		return err;
+	}
+
+	return 0;
 }
 
 /* E810T SMA functions
-- 
2.43.0