staging: rts5208: Replace a bit shift by a use of BIT.
authorArushi Singhal <arushisinghal19971997@gmail.com>
Wed, 22 Mar 2017 13:17:57 +0000 (18:47 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 23 Mar 2017 13:25:33 +0000 (14:25 +0100)
This patch replaces bit shifting on 1 with the BIT(x) macro.
This was done with coccinelle:
@@
constant c;
@@

-1 << c
+BIT(c)

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/rts5208/rtsx_chip.c

index 3511157..7f4107b 100644 (file)
@@ -1490,7 +1490,7 @@ int rtsx_write_register(struct rtsx_chip *chip, u16 addr, u8 mask, u8 data)
 
        for (i = 0; i < MAX_RW_REG_CNT; i++) {
                val = rtsx_readl(chip, RTSX_HAIMR);
-               if ((val & (1 << 31)) == 0) {
+               if ((val & BIT(31)) == 0) {
                        if (data != (u8)val) {
                                rtsx_trace(chip);
                                return STATUS_FAIL;
@@ -1518,7 +1518,7 @@ int rtsx_read_register(struct rtsx_chip *chip, u16 addr, u8 *data)
 
        for (i = 0; i < MAX_RW_REG_CNT; i++) {
                val = rtsx_readl(chip, RTSX_HAIMR);
-               if ((val & (1 << 31)) == 0)
+               if ((val & BIT(31)) == 0)
                        break;
        }