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USB file storage gadget with kernel 2.6.37 (arago)

Andrei Pushkin
Intellectual 705 points

Hello. I have am3517evm board. When I use kernel 2.6.32 from arago i use g_file_storage gadget:

 modprobe g_file_storage file=/foo/bar1,/foo/bar2,/foo/bar3 stall=0 removable=1

and all was work.

Now I upgrade kernel to 2.6.37 (arago) and when I load  g_file_storage (or g_mass_storage) in host-PC with linux all work, but in host-PC in wondows work only first file (for example /foo/bar1). Windows do not see other partitions (/foo/bar2 and /foo/bar3). I try to use "luns" param, but it do not work correctly also.

  • 0
    Expert 2280 points

    Hi

    It was a lot of time ago so probably you have already found the solution. But maybe writing here can help someone else.

    At least Windozz 7 seems going crazy if cannot find iSerial string in USB Device Descriptor, "loading" first disk only. In older kernel that string was handled by the gadget code itself, but more recently it must be specified as a module parameter, otherwise empty string will be used (iString=0). So try with:

    modprobe g_file_storage file=/foo/bar1,/foo/bar2,/foo/bar3 stall=0 removable=1 serial=3230204E6F76

    Regards, Max