b43: add helpers for block R/W ops

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index fd69d6a..02eca18 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -897,6 +897,18 @@
 	ssb_write32(dev->sdev, offset, value);
 }
 
+static inline void b43_block_read(struct b43_wldev *dev, void *buffer,
+				 size_t count, u16 offset, u8 reg_width)
+{
+	ssb_block_read(dev->sdev, buffer, count, offset, reg_width);
+}
+
+static inline void b43_block_write(struct b43_wldev *dev, const void *buffer,
+				   size_t count, u16 offset, u8 reg_width)
+{
+	ssb_block_write(dev->sdev, buffer, count, offset, reg_width);
+}
+
 static inline bool b43_using_pio_transfers(struct b43_wldev *dev)
 {
 	return dev->__using_pio_transfers;