b43: add helper waiting for given value in radio reg

[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / b43 / phy_common.h

diff --git a/drivers/net/wireless/b43/phy_common.h b/drivers/net/wireless/b43/phy_common.h
index 9233b13fc16d8a205eb474a3870f59bc3b6b7e8c..f1b999349876bbfc8cad799858434f5e64a14b37 100644 (file)
--- a/drivers/net/wireless/b43/phy_common.h
+++ b/drivers/net/wireless/b43/phy_common.h
@@ -364,6 +364,12 @@ void b43_radio_set(struct b43_wldev *dev, u16 offset, u16 set);
  */
 void b43_radio_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set);
 
+/**
+ * b43_radio_wait_value - Waits for a given value in masked register read
+ */
+bool b43_radio_wait_value(struct b43_wldev *dev, u16 offset, u16 mask,
+                         u16 value, int delay, int timeout);
+
 /**
  * b43_radio_lock - Lock firmware radio register access
  */