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USB: g_file_storage: automatically disable stalls under Atmel
This patch (as1220) automatically disables stalls when g_file_storage finds itself running with an Atmel device controller, because the Atmel hardware/driver isn't capable of halting bulk endpoints correctly. Reported-by: Stanislaw Gruszka <stf_xl@wp.pl> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -3879,7 +3879,11 @@ static int __init check_parameters(struct fsg_dev *fsg)
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mod_data.protocol_type = USB_SC_SCSI;
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mod_data.protocol_name = "Transparent SCSI";
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if (gadget_is_sh(fsg->gadget))
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/* Some peripheral controllers are known not to be able to
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* halt bulk endpoints correctly. If one of them is present,
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* disable stalls.
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*/
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if (gadget_is_sh(fsg->gadget) || gadget_is_at91(fsg->gadget))
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mod_data.can_stall = 0;
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if (mod_data.release == 0xffff) { // Parameter wasn't set
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