[U-Boot] [PATCH] usb: increase usb delay

[Rob Clark]

This makes booting off the USB disks I have go from 50% reliable to 100%
reliable.  I'm no USB expert so maybe there is a better way.  But one
way or another we aren't waiting long enough after power-on for the
usb device to be ready.

Signed-off-by: Rob Clark <robdclark at gmail.com>
---
 common/usb_storage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/usb_storage.c b/common/usb_storage.c
index 03171f7..0e3de90 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -1019,7 +1019,7 @@ static int usb_test_unit_ready(ccb *srb, struct us_data *ss)
 		if ((srb->sense_buf[2] == 0x02) &&
 		    (srb->sense_buf[12] == 0x3a))
 			return -1;
-		mdelay(100);
+		mdelay(250);
 	} while (retries--);
 
 	return -1;
-- 
2.9.4