Ming Lei <[email protected]> writes: > On Wed, Mar 6, 2013 at 8:04 PM, Bjørn Mork <[email protected]> wrote: > >> I believe the correct here is to document the fact that we require the >> subdriver->suspend() callback to always return 0 if !PMSG_IS_AUTO(message). >> That is best done with a comment. No need to add any redundant code. > > Considered that the subdriver might change its return value in future,
Not likely. It lives under the exact same restrictions as a standalone USB interface driver. If it starts returning something else, then this driver should probably do so as well. > how about just add the below comment? > > /* TODO: resume() might need to handle suspend failure from subdriver > */ OK with me if that includes dropping the redundant code change. Note that the same issue and comment applies to the usbnet_suspend() call as well. We currently rely on both calls to always return 0 on system suspend. Which they are guaranteed to do, because they are both directly used as .suspend callbacks in other USB interface drivers. Bjørn -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
