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Diffstat (limited to 'drivers/net/wireless/ath/ath12k/core.h')
-rw-r--r--drivers/net/wireless/ath/ath12k/core.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h
index c4eb8b25398c..d833361948b7 100644
--- a/drivers/net/wireless/ath/ath12k/core.h
+++ b/drivers/net/wireless/ath/ath12k/core.h
@@ -636,11 +636,17 @@ struct ath12k {
struct ath12k_hw {
struct ieee80211_hw *hw;
struct ath12k_base *ab;
+
+ /* Protect the write operation of the hardware state ath12k_hw::state
+ * between hardware start<=>reconfigure<=>stop transitions.
+ */
+ struct mutex hw_mutex;
enum ath12k_hw_state state;
bool regd_updated;
bool use_6ghz_regd;
u8 num_radio;
+ /* Keep last */
struct ath12k radio[] __aligned(sizeof(void *));
};