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ice: Skip PTP HW writes during PTP reset procedure

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Block HW write access for the driver while the device is in reset to
avoid potential race condition and access to the PTP HW in
non-nominal state which could lead to undesired effects

Fixes: 4aad533596 ("ice: add individual interrupt allocation")
Signed-off-by: Grzegorz Nitka <grzegorz.nitka@intel.com>
Co-developed-by: Karol Kolacinski <karol.kolacinski@intel.com>
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Signed-off-by: Sergey Temerkhanov <sergey.temerkhanov@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@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>
This commit is contained in:
Grzegorz Nitka
2024-07-15 17:39:11 +02:00
committed by Tony Nguyen
parent 25a7123579
commit bca515d583
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/intel/ice/ice_ptp.c
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@@ -1477,6 +1477,10 @@ void ice_ptp_link_change(struct ice_pf *pf, u8 port, bool linkup)
/* Update cached link status for this port immediately */
ptp_port->link_up = linkup;
/* Skip HW writes if reset is in progress */
if (pf->hw.reset_ongoing)
return;
switch (hw->ptp.phy_model) {
case ICE_PHY_E810:
/* Do not reconfigure E810 PHY */