Hi victor,
Regarding UMS support:
The last version posted at u-boot ML can be found at [**]: http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/113004/match=ums
I've go through your fixes for file_storage.c.
Please find appended diff file [*] for changes which I was able to apply on the original file_storage.c file (taken from [**]).
I've attached output from Host dmesg and target's console (output.txt)
It seems that on my setup your patches are causing errors and UMS is not working (e.g. partitions aren't exported).
I don't have enough time now to delve to your solution, but I'm skeptical about hard setting EPs (like below).
+if (fsg_fs_bulk_out_desc.bEndpointAddress != 0x1) + fsg_fs_bulk_out_desc.bEndpointAddress = 0x1; +
If possible, please align to patch set [**], so we can have the same setup.
However, I will try to find some time to help you with the problem (that's why I've asked for description of the problem, which you are trying to fix).