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path: root/drivers/net/ethernet/intel/igc/igc.h
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Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc.h')
-rw-r--r--drivers/net/ethernet/intel/igc/igc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h
index c35cc5cb1185..2f265c0959c7 100644
--- a/drivers/net/ethernet/intel/igc/igc.h
+++ b/drivers/net/ethernet/intel/igc/igc.h
@@ -319,6 +319,7 @@ struct igc_adapter {
struct timespec64 prev_ptp_time; /* Pre-reset PTP clock */
ktime_t ptp_reset_start; /* Reset time in clock mono */
struct system_time_snapshot snapshot;
+ struct mutex ptm_lock; /* Only allow one PTM transaction at a time */
char fw_version[32];