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igc: handle the IGC_PTP_ENABLED flag correctly

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[ Upstream commit 26a3910afd111f7c1a96dace6dc02f3225063896 ]

All functions in igc_ptp.c called from igc_main.c should check the
IGC_PTP_ENABLED flag. Adding check for this flag to stop and reset
functions.

Fixes: 5f2958052c ("igc: Add basic skeleton for PTP")
Signed-off-by: Christopher S M Hall <christopher.s.hall@intel.com>
Reviewed-by: Corinna Vinschen <vinschen@redhat.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christopher S M Hall
2025-04-01 16:35:32 -07:00
committed by Greg Kroah-Hartman
parent 8058c895c7
commit 698182f03f
1 changed files with 7 additions and 0 deletions
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7
drivers/net/ethernet/intel/igc/igc_ptp.c
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@@ -1244,8 +1244,12 @@ void igc_ptp_suspend(struct igc_adapter *adapter)
**/
void igc_ptp_stop(struct igc_adapter *adapter)
{
if (!(adapter->ptp_flags & IGC_PTP_ENABLED))
return;
igc_ptp_suspend(adapter);
adapter->ptp_flags &= ~IGC_PTP_ENABLED;
if (adapter->ptp_clock) {
ptp_clock_unregister(adapter->ptp_clock);
netdev_info(adapter->netdev, "PHC removed\n");
@@ -1266,6 +1270,9 @@ void igc_ptp_reset(struct igc_adapter *adapter)
unsigned long flags;
u32 timadj;
if (!(adapter->ptp_flags & IGC_PTP_ENABLED))
return;
/* reset the tstamp_config */
igc_ptp_set_timestamp_mode(adapter, &adapter->tstamp_config);