Messages in this thread | | | Date | Tue, 07 Oct 2008 10:30:59 +0900 | From | Tejun Heo <> | Subject | Re: [PATCH] pata_of_platform: fix no irq handling |
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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? If so, can those be fixed together or does it become a much bigger problem that way?
Thanks.
-- tejun
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