On Tue, Oct 07, 2008 at 10:30:59AM +0900, Tejun Heo wrote: > Anton Vorontsov wrote: > > On Mon, Oct 06, 2008 at 03:41:19PM -0500, Matt Sealey wrote: > >> There is a simple problem with the patch which is that an "IRQ 0" can and does > >> actually exist on a bunch of platforms, at least to the best of my knowledge. > >> > >> Checking for -1 (which means for definite, no irq at all, because it is > >> totally unambiguous, as a -1 IRQ numbering is "impossible") is more correct. > > > > This was discussed years ago. > > > > http://lkml.org/lkml/2005/11/22/159 > > http://lkml.org/lkml/2005/11/22/227 > > > > Would this break any existing platforms? Nope. The driver is only available for PPC platforms. As time goes by one can change `depend on PPC_OF' to just `depends on OF', so that the driver will be also available for SPARC. And still it will work, because SPARC also understands VIRQ0 as invalid VIRQ. Thanks, -- Anton Vorontsov email: cbouatmailru@xxxxxxxxx irc://irc.freenode.net/bd2 -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
