diff --git a/drivers/ide/cs5535.c b/drivers/ide/cs5535.c
index 740002b2..5059faf 100644
--- a/drivers/ide/cs5535.c
+++ b/drivers/ide/cs5535.c
@@ -86,7 +86,7 @@
 		cmd = pioa = speed - XFER_PIO_0;
 
 		if (pair) {
-			u8 piob = ide_get_best_pio_mode(pair, 255, 4);
+			u8 piob = pair->pio_mode - XFER_PIO_0;
 
 			if (piob < cmd)
 				cmd = piob;