diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c
index 33c55a6261bba4a9a5cc14656d265a078f9523a6..fea176d7e79a3bcb5540df2cc7012944c3f191cc 100644
--- a/drivers/usb/storage/shuttle_usbat.c
+++ b/drivers/usb/storage/shuttle_usbat.c
@@ -853,7 +853,7 @@ static int usbat_identify_device(struct us_data *us,
 	rc = usbat_device_reset(us);
 	if (rc != USB_STOR_TRANSPORT_GOOD)
 		return rc;
-	msleep(25);
+	msleep(500);
 
 	/*
 	 * In attempt to distinguish between HP CDRW's and Flash readers, we now