ice: Fix ETH56G FC-FEC Rx offset value

Fix ETH56G FC-FEC incorrect Rx offset value by changing it from -255.96
to -469.26 ns.

Those values are derived from HW spec and reflect internal delays.
Hex value is a fixed point representation in Q23.9 format.

Fixes: 7cab44f1c35f ("ice: Introduce ETH56G PHY model for E825C products")
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_consts.h b/drivers/net/ethernet/intel/ice/ice_ptp_consts.h
index d75f0eddd631946af7fb007d09cfc166bb25f12d..a8e57cf05a9c67f738989e8cf2a767c7eee85d26 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_ptp_consts.h
+++ b/drivers/net/ethernet/intel/ice/ice_ptp_consts.h
@@ -131,7 +131,7 @@ struct ice_eth56g_mac_reg_cfg eth56g_mac_cfg[NUM_ICE_ETH56G_LNK_SPD] = {
                .rx_offset = {
                        .serdes = 0xffffeb27, /* -10.42424 */
                        .no_fec = 0xffffcccd, /* -25.6 */
-                       .fc = 0xfffe0014, /* -255.96 */
+                       .fc = 0xfffc557b, /* -469.26 */
                        .sfd = 0x4a4, /* 2.32 */
                        .bs_ds = 0x32 /* 0.0969697 */
                }