6.1-stable review patch. If anyone has any objections, please let me know.
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From: Christopher S M Hall christopher.s.hall@intel.com
[ 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 --- drivers/net/ethernet/intel/igc/igc_ptp.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c index 5616b7f4e504f..8731e8f234946 100644 --- a/drivers/net/ethernet/intel/igc/igc_ptp.c +++ b/drivers/net/ethernet/intel/igc/igc_ptp.c @@ -1070,8 +1070,12 @@ 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"); @@ -1092,6 +1096,9 @@ 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);