iwlagn: all function iwl-io.c receive iwl_bus

Which means that iwl-io.c doesn't need to include iwl-dev.h any more.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h
index f744fdc..8ca624d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-helpers.h
+++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h
@@ -141,7 +141,7 @@
 static inline void iwl_enable_rfkill_int(struct iwl_priv *priv)
 {
 	IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n");
-	iwl_write32(priv, CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
+	iwl_write32(bus(priv), CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
 }
 
 /**