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-agn-tt.c b/drivers/net/wireless/iwlwifi/iwl-agn-tt.c
index 1a39aaf..495f936 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tt.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tt.c
@@ -181,19 +181,19 @@
 
 	if (tt->state == IWL_TI_CT_KILL) {
 		if (priv->thermal_throttle.ct_kill_toggle) {
-			iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
+			iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR,
 				    CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
 			priv->thermal_throttle.ct_kill_toggle = false;
 		} else {
-			iwl_write32(priv, CSR_UCODE_DRV_GP1_SET,
+			iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET,
 				    CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
 			priv->thermal_throttle.ct_kill_toggle = true;
 		}
-		iwl_read32(priv, CSR_UCODE_DRV_GP1);
-		spin_lock_irqsave(&priv->reg_lock, flags);
-		if (!iwl_grab_nic_access(priv))
-			iwl_release_nic_access(priv);
-		spin_unlock_irqrestore(&priv->reg_lock, flags);
+		iwl_read32(bus(priv), CSR_UCODE_DRV_GP1);
+		spin_lock_irqsave(&bus(priv)->reg_lock, flags);
+		if (!iwl_grab_nic_access(bus(priv)))
+			iwl_release_nic_access(bus(priv));
+		spin_unlock_irqrestore(&bus(priv)->reg_lock, flags);
 
 		/* Reschedule the ct_kill timer to occur in
 		 * CT_KILL_EXIT_DURATION seconds to ensure we get a