Thread (5 messages) flat view 5 messages, 5 authors, 7h ago

Re: [Intel-wired-lan] [PATCH iwl-net] ice: Recalibrate PHY after settime64 on E825-C

From: Paul Menzel <hidden>
Date: 2026-08-12 06:12:15
Also in: intel-wired-lan

Dear Tony, dear Maciek,


Thank you for your patch.

Am 12.08.26 um 01:10 schrieb Tony Nguyen:
From: Maciek Machnikowski <redacted>

The PHY on E825-C requires recalibration after large jumps of the
system time. Add missing PHY recalibration also on E825-C.
Why does it need it? Does the datasheet say so? Hardware errata?

How can the issue be reproduced?
quoted hunk ↗ jump to hunk
Fixes: 7cab44f1c35f ("ice: Introduce ETH56G PHY model for E825C products")
Signed-off-by: Maciek Machnikowski <redacted>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
  drivers/net/ethernet/intel/ice/ice_ptp.c | 5 +++--
  1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index 84b99cfc5675..bf625b9f4991 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -1956,8 +1956,9 @@ ice_ptp_settime64(struct ptp_clock_info *info, const struct timespec64 *ts)
  	/* Reenable periodic outputs */
  	ice_ptp_enable_all_perout(pf);
  
-	/* Recalibrate and re-enable timestamp blocks for E822/E823 */
-	if (hw->mac_type == ICE_MAC_GENERIC)
+	/* Recalibrate and re-enable timestamp blocks for E822/E823/E825-C */
+	if (hw->mac_type == ICE_MAC_GENERIC ||
+	    hw->mac_type == ICE_MAC_GENERIC_3K_E825)
  		ice_ptp_restart_all_phy(pf);
  exit:
  	if (err) {
The diff looks fine:

Reviewed-by: Paul Menzel <redacted>


Kind regards,

Paul
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