atm: Add missing parentheses

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/atm/firestream.c

@@ -1690,17 +1690,17 @@ static int __devinit fs_init (struct fs_dev *dev)
 		  | (0 * SARMODE0_SHADEN) /* We don't use shadow registers. */
 		  | (1 * SARMODE0_INTMODE_READCLEAR)
 		  | (1 * SARMODE0_CWRE)
-		  | IS_FS50(dev)?SARMODE0_PRPWT_FS50_5: 
-		                 SARMODE0_PRPWT_FS155_3
+		  | (IS_FS50(dev) ? SARMODE0_PRPWT_FS50_5:
+			  SARMODE0_PRPWT_FS155_3)
 		  | (1 * SARMODE0_CALSUP_1)
-		  | IS_FS50 (dev)?(0
+		  | (IS_FS50(dev) ? (0
 				   | SARMODE0_RXVCS_32
 				   | SARMODE0_ABRVCS_32 
 				   | SARMODE0_TXVCS_32):
 		                  (0
 				   | SARMODE0_RXVCS_1k
 				   | SARMODE0_ABRVCS_1k 
-				   | SARMODE0_TXVCS_1k));
+				   | SARMODE0_TXVCS_1k)));
 
 	/* 10ms * 100 is 1 second. That should be enough, as AN3:9 says it takes
 	   1ms. */