diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c
index e4cf73c4b70baf51582a28d6f663640ae0d41822..a75de0684c15cff77f21728fd36af031e7867b2c 100644
--- a/drivers/ata/pata_bf54x.c
+++ b/drivers/ata/pata_bf54x.c
@@ -1417,7 +1417,7 @@ static int bfin_reset_controller(struct ata_host *host)
 	count = 10000000;
 	do {
 		status = read_atapi_register(base, ATA_REG_STATUS);
-	} while (count-- && (status & ATA_BUSY));
+	} while (--count && (status & ATA_BUSY));
 
 	/* Enable only ATAPI Device interrupt */
 	ATAPI_SET_INT_MASK(base, 1);