[U-Boot-Users] isp116x-hcd and usb_storage
tike64
tike64 at yahoo.com
Tue Sep 18 13:54:46 CEST 2007
--- tike64 wrote:
> --- Markus Klotzbücher wrote:
> > U-Boots USB implementation is known to have some timing issues
OK, it really seems to be a timing issue. I have now a correct 'fatls'
output with all debugging disabled. I added one delay into the
usb_stor_BBB_transport function like this:
if (srb->datalen == 0)
goto st;
USB_STOR_PRINTF("DATA phase\n");
--> wait_ms(200);
if (dir_in)
100 ms was too short.
Now the question is, what is the correct way to fix this?
--
Timo
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