Re: [PATCH v2 2/2] usb: gadget: f_mass_storage: Make us pass USBCVMSC Compliance tests

[Michal Nazarewicz]

On Mon, 09 May 2011 12:08:07 +0200, Roger Quadros wrote:
> Defer the SET_CONFIG and SET_INTERFACE control transfer's data/status
> stages till we are ready to process new CBW from the host. This way we
> ensure that we don't loose any CBW during MSC compliance tests and cause
> lock up.
>
> Signed-off-by: Roger Quadros <roger.quadros@xxxxxxxxx>

Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>

> @@ -2468,7 +2469,7 @@ static int fsg_set_alt(struct usb_function *f,  
> unsigned intf, unsigned alt)
>  	struct fsg_dev *fsg = fsg_from_func(f);
>  	fsg->common->new_fsg = fsg;
>  	raise_exception(fsg->common, FSG_STATE_CONFIG_CHANGE);
> -	return 0;
> +	return USB_GADGET_DELAYED_STATUS;
>  }
> static void fsg_disable(struct usb_function *f)

Just a side note, an idea that came to my mind: How about instead
of creating meaning of an arbitrary return value, creating a
usb_composite_setup_pause() or usb_composite_setup_delay()
function?  It would be more symmetrical that way.  Just an idea,
feel free to ignore.

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.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michal "mina86" Nazarewicz    (o o)
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