iwlegacy: rename il_{read,write}32 to _il_{rd,wr}

Introduce rule that underscore at the beginning mean unlocked I/O method.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
diff --git a/drivers/net/wireless/iwlegacy/iwl-helpers.h b/drivers/net/wireless/iwlegacy/iwl-helpers.h
index a0a84b2..a9d8702 100644
--- a/drivers/net/wireless/iwlegacy/iwl-helpers.h
+++ b/drivers/net/wireless/iwlegacy/iwl-helpers.h
@@ -149,26 +149,26 @@
 	clear_bit(STATUS_INT_ENABLED, &il->status);
 
 	/* disable interrupts from uCode/NIC to host */
-	il_write32(il, CSR_INT_MASK, 0x00000000);
+	_il_wr(il, CSR_INT_MASK, 0x00000000);
 
 	/* acknowledge/clear/reset any interrupts still pending
 	 * from uCode or flow handler (Rx/Tx DMA) */
-	il_write32(il, CSR_INT, 0xffffffff);
-	il_write32(il, CSR_FH_INT_STATUS, 0xffffffff);
+	_il_wr(il, CSR_INT, 0xffffffff);
+	_il_wr(il, CSR_FH_INT_STATUS, 0xffffffff);
 	D_ISR("Disabled interrupts\n");
 }
 
 static inline void il_enable_rfkill_int(struct il_priv *il)
 {
 	D_ISR("Enabling rfkill interrupt\n");
-	il_write32(il, CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
+	_il_wr(il, CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
 }
 
 static inline void il_enable_interrupts(struct il_priv *il)
 {
 	D_ISR("Enabling interrupts\n");
 	set_bit(STATUS_INT_ENABLED, &il->status);
-	il_write32(il, CSR_INT_MASK, il->inta_mask);
+	_il_wr(il, CSR_INT_MASK, il->inta_mask);
 }
 
 /**