1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_radio.h b/drivers/net/wireless/bcm43xx/bcm43xx_radio.h
index 9ed18039fa3e..77a98a53a2e2 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_radio.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_radio.h
@@ -65,6 +65,22 @@ void bcm43xx_radio_init2060(struct bcm43xx_private *bcm);
 void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm);
 void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm);
 
+static inline
+int bcm43xx_is_hw_radio_enabled(struct bcm43xx_private *bcm)
+{
+        /* function to return state of hardware enable of radio
+         * returns 0 if radio disabled, 1 if radio enabled
+         */
+        if (bcm->current_core->rev >= 3)
+                return ((bcm43xx_read32(bcm, BCM43xx_MMIO_RADIO_HWENABLED_HI)
+                                        & BCM43xx_MMIO_RADIO_HWENABLED_HI_MASK)
+                                        == 0) ? 1 : 0;
+        else
+                return ((bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_HWENABLED_LO)
+                                        & BCM43xx_MMIO_RADIO_HWENABLED_LO_MASK)
+                                        == 0) ? 0 : 1;
+}
+
 int bcm43xx_radio_selectchannel(struct bcm43xx_private *bcm, u8 channel,
                                 int synthetic_pu_workaround);