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| author | Michal Michalik <michal.michalik@intel.com> | 2023-07-27 15:50:35 +0200 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2023-09-20 08:59:26 -0700 |
| commit | af3c5c8748e6d286d4f2dd9800f9d27f29b8e2ef (patch) | |
| tree | 700f61a9d2e2fce2874706c259e6a60bd4b59223 | |
| parent | d938a8cca88a5f02f523f95fe3d2d1214f4b4a8d (diff) | |
| download | linux-af3c5c8748e6d286d4f2dd9800f9d27f29b8e2ef.tar.gz linux-af3c5c8748e6d286d4f2dd9800f9d27f29b8e2ef.tar.bz2 linux-af3c5c8748e6d286d4f2dd9800f9d27f29b8e2ef.zip | |
ice: Use PTP auxbus for all PHYs restart in E822
The E822 (and other devices based on the same PHY) is having issue while
setting the PHC timer - the PHY timers are drifting from the PHC. After
such a set all PHYs need to be restarted and resynchronised - do it
using auxiliary bus.
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Signed-off-by: Michal Michalik <michal.michalik@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>
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ptp.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index 9c21e81c29db..503cf351f5f5 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -1489,6 +1489,24 @@ static void ice_ptp_reset_phy_timestamping(struct ice_pf *pf) } /** + * ice_ptp_restart_all_phy - Restart all PHYs to recalibrate timestamping + * @pf: Board private structure + */ +static void ice_ptp_restart_all_phy(struct ice_pf *pf) +{ + struct list_head *entry; + + list_for_each(entry, &pf->ptp.ports_owner.ports) { + struct ice_ptp_port *port = list_entry(entry, + struct ice_ptp_port, + list_member); + + if (port->link_up) + ice_ptp_port_phy_restart(port); + } +} + +/** * ice_ptp_adjfine - Adjust clock increment rate * @info: the driver's PTP info structure * @scaled_ppm: Parts per million with 16-bit fractional field @@ -1925,9 +1943,9 @@ ice_ptp_settime64(struct ptp_clock_info *info, const struct timespec64 *ts) /* Reenable periodic outputs */ ice_ptp_enable_all_clkout(pf); - /* Recalibrate and re-enable timestamp block */ - if (pf->ptp.port.link_up) - ice_ptp_port_phy_restart(&pf->ptp.port); + /* Recalibrate and re-enable timestamp blocks for E822/E823 */ + if (hw->phy_model == ICE_PHY_E822) + ice_ptp_restart_all_phy(pf); exit: if (err) { dev_err(ice_pf_to_dev(pf), "PTP failed to set time %d\n", err); |