ath9k_htc: Add multiple register read API
This would decrease latency in reading bulk registers.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index e43210c..a6c6a46 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -108,12 +108,14 @@
* struct ath_ops - Register read/write operations
*
* @read: Register read
+ * @multi_read: Multiple register read
* @write: Register write
* @enable_write_buffer: Enable multiple register writes
* @write_flush: flush buffered register writes and disable buffering
*/
struct ath_ops {
unsigned int (*read)(void *, u32 reg_offset);
+ void (*multi_read)(void *, u32 *addr, u32 *val, u16 count);
void (*write)(void *, u32 val, u32 reg_offset);
void (*enable_write_buffer)(void *);
void (*write_flush) (void *);