[PATCH] pata_of_platform: fix no irq handling

Anton Vorontsov avorontsov at ru.mvista.com
Tue Oct 7 08:32:09 EST 2008


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

-- 
Anton Vorontsov
email: cbouatmailru at gmail.com
irc://irc.freenode.net/bd2



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