diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index faf801571214f98f891f60055a9b24823bb263ff..e69cd5b552a70a363402127b0fa9a4c67c5f7363 100644
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -523,6 +523,7 @@ enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
 					       struct htc_packet *packet);
 void ath6kl_stop_txrx(struct ath6kl *ar);
 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar);
+int ath6kl_diag_write32(struct ath6kl *ar, u32 address, u32 value);
 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length);
 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value);
 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length);
diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c
index bda14d1d6f2f31ac65aabfcc7400347a835881de..48e9c2e0eae8de2d835ab65807d5b06b2e011c81 100644
--- a/drivers/net/wireless/ath/ath6kl/main.c
+++ b/drivers/net/wireless/ath/ath6kl/main.c
@@ -261,7 +261,7 @@ int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value)
  * Write to the ATH6KL through its diagnostic window. No cooperation from
  * the Target is required for this.
  */
-static int ath6kl_diag_write32(struct ath6kl *ar, u32 address, u32 value)
+int ath6kl_diag_write32(struct ath6kl *ar, u32 address, u32 value)
 {
 	int ret;