diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index 159b42f106b098185b908eae7efc85b245f8bb52..dea5af1a36946c3647b6a330c5a59818195dceea 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -101,19 +101,19 @@ static void __init ath79_detect_sys_type(void)
 	case REV_ID_MAJOR_AR7240:
 		ath79_soc = ATH79_SOC_AR7240;
 		chip = "7240";
-		rev = (id & AR724X_REV_ID_REVISION_MASK);
+		rev = id & AR724X_REV_ID_REVISION_MASK;
 		break;
 
 	case REV_ID_MAJOR_AR7241:
 		ath79_soc = ATH79_SOC_AR7241;
 		chip = "7241";
-		rev = (id & AR724X_REV_ID_REVISION_MASK);
+		rev = id & AR724X_REV_ID_REVISION_MASK;
 		break;
 
 	case REV_ID_MAJOR_AR7242:
 		ath79_soc = ATH79_SOC_AR7242;
 		chip = "7242";
-		rev = (id & AR724X_REV_ID_REVISION_MASK);
+		rev = id & AR724X_REV_ID_REVISION_MASK;
 		break;
 
 	case REV_ID_MAJOR_AR913X: