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authorChristopher S M Hall <christopher.s.hall@intel.com>2025-04-01 16:35:32 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-25 10:47:42 +0200
commit698182f03f3ca2a11537d0f504773c87a21c3c62 (patch)
treeb1c3b05090aa23b60f967960d16b4d03c156e126 /drivers/net/ethernet/intel/igc
parent8058c895c7c6921601edf906d0560c1bec9d077a (diff)
igc: handle the IGC_PTP_ENABLED flag correctly
[ 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: 5f2958052c58 ("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>
Diffstat (limited to 'drivers/net/ethernet/intel/igc')
-rw-r--r--drivers/net/ethernet/intel/igc/igc_ptp.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c
index 516abe7405dee..343205bffc355 100644
--- a/drivers/net/ethernet/intel/igc/igc_ptp.c
+++ b/drivers/net/ethernet/intel/igc/igc_ptp.c
@@ -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);