On Sat, Jun 24, 2017 at 07:09:32PM -0400, Rob Clark wrote:
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@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;
This made me think of 1c3e62d690a3 which was the result of other USB delay decreasing changes. Perhaps there's some issues on the host controller code used on dragonboard? Thanks!