e1000e: add comment to spinlock_t definition
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index c7bc610..e6b9483 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -372,7 +372,7 @@
/* structs defined in e1000_hw.h */
struct e1000_hw hw;
- spinlock_t stats64_lock;
+ spinlock_t stats64_lock; /* protects statistics counters */
struct e1000_hw_stats stats;
struct e1000_phy_info phy_info;
struct e1000_phy_stats phy_stats;