On Wed, Feb 08, 2006 at 01:04:22PM +0000, Matthew Garrett wrote: > +/** > + * pm_set_ac_status - Set the ac status callback > + * @ops: Pointer to function > + */ > + > +void pm_set_ac_status(int (*ac_status_function)(void)) No extra line in there please. And perhaps a bit more description of what this is used for? > +{ > + down(&pm_sem); Shouldn't this be a mutex? > + get_ac_status = ac_status_function; > + up(&pm_sem); > +} > + > +EXPORT_SYMBOL(pm_set_ac_status); No extra line between the function and the EXPORT_SYMBOL please. Also, how about EXPORT_SYMBOL_GPL()? And, who will be using this interface, and what for? > + > +/** > + * pm_get_ac_status - return true if the system is on AC > + */ > + > +int pm_get_ac_status(void) > +{ > + int status; > + > + down (&pm_sem); > + if (get_ac_status) > + status = get_ac_status(); > + else > + status = 0; > + up (&pm_sem); You can save 2 lines by setting status = 0 on the first line of this function :) thanks, greg k-h