[PATCH v2 069/148] net/ice/base: be more verbose when preparing timer sync

[Anatoly Burakov]

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

Signed-off-by: Jacob Keller <jacob.e.kel...@intel.com>
Signed-off-by: Anatoly Burakov <anatoly.bura...@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 31d6c7cf81..81b57b068c 100644
--- a/drivers/net/ice/base/ice_ptp_hw.c
+++ b/drivers/net/ice/base/ice_ptp_hw.c
@@ -4932,9 +4932,16 @@ 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