Hi. On Mon, 2007-02-12 at 16:57 +0100, Geert Uytterhoeven wrote: > On Mon, 12 Feb 2007, Pavel Machek wrote: > > > Can't the upper layer just assume -ENOSYS if .resume/.suspend is NULL? > > > It's nicer if you don't have to implement dummy functions at all. > > > > Unfortunately, drivers currently assume "NULL == nothing is needed", > > so we'd have t do big search & replace... > > Which means you also cannot easily keep track of which driver supports > suspend/resume and which doesn't, as there will always be drivers where a > missing suspend/resume function is correct. > > Wouldn't it be more sensible to have > > .suspend = suspend_nothing_to_do > > instead, and reserve NULL for `not yet implemented'?
Agreed. Regards, Nigel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/