staging: rts5208: ms.c: Remove two udelay calls and use usleep_range …

…instead

This patch fixes the issue:
CHECK: usleep_range is preferred over udelay; see
Documentation/timers/timers-howto.txt
in two occurrences.

Signed-off-by: Sebastian Luchetti <luchetti.linux@gmail.com>

drivers/staging/rts5208/ms.c

@@ -3236,7 +3236,7 @@ static int ms_write_multiple_pages(struct rtsx_chip *chip, u16 old_blk,
 			return STATUS_FAIL;
 		}
 
-		udelay(30);
+		usleep_range(27, 32);
 
 		rtsx_init_cmd(chip);
 
@@ -4158,7 +4158,7 @@ int mg_set_ICV(struct scsi_cmnd *srb, struct rtsx_chip *chip)
 
 #ifdef MG_SET_ICV_SLOW
 	for (i = 0; i < 2; i++) {
-		udelay(50);
+		usleep_range(47, 52);
 
 		rtsx_init_cmd(chip);