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Date: Thu, 13 Mar 2008 15:18:58 -0800 From: David Brownell <david-b@...bell.net> To: Andrew Morton <akpm@...ux-foundation.org> Cc: linux-kernel@...r.kernel.org, avorontsov@...mvista.com Subject: Re: [patch 2.6.25-rc5 1/2] gpiolib: dynamic gpio number allocation On Thursday 13 March 2008, Andrew Morton wrote: > hm. I suppose that if someone want a huge number of GPIOs then we can > convert this to a bitmap or an IDR tree easily enough. Actually, I tried IDRs for a while and they broke platforms which needed to initialize and use GPIOs early: before kmalloc would work. A real PITA that was -- and slow too. > Shouldn't ARCH_NR_GPIOS be CONFIG_NR_GPIOS? No more than NR_IRQS is settable via Kconfig. And for rather similar reasons. :) - Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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