From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757614AbYCMXTT (ORCPT ); Thu, 13 Mar 2008 19:19:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752636AbYCMXTK (ORCPT ); Thu, 13 Mar 2008 19:19:10 -0400 Received: from smtp120.sbc.mail.sp1.yahoo.com ([69.147.64.93]:30183 "HELO smtp120.sbc.mail.sp1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751600AbYCMXTJ (ORCPT ); Thu, 13 Mar 2008 19:19:09 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=pacbell.net; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:Subject:Date:User-Agent:Cc:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id; b=q/3rO0dwtDy9g4+O5nZ4eljgZ+/ZVZ6Bdhtg0/xb7qVlsBfwnK8t8mqQXyBeUSEun7E+xE+IZvYnSFwnVa3S7hdPvUNuYnMxjPV6FBvwcdFJRKaE+jyr+rTz3NlPoc9peAmmf34KlBjRAdtcdvPxezxuOBaNjUzzmaXOchDl8QM= ; X-YMail-OSG: a_VHo70VM1m9snhmM4ZTIlQ9QgLlEkjMne_HwzQv89NkVl8QWhaNZJI.ukvzt4mVgddc4qw05Q-- X-Yahoo-Newman-Property: ymail-3 From: David Brownell To: Andrew Morton Subject: Re: [patch 2.6.25-rc5 1/2] gpiolib: dynamic gpio number allocation Date: Thu, 13 Mar 2008 15:18:58 -0800 User-Agent: KMail/1.9.6 Cc: linux-kernel@vger.kernel.org, avorontsov@ru.mvista.com References: <200803131549.54632.david-b@pacbell.net> <20080313160039.b69a5d24.akpm@linux-foundation.org> In-Reply-To: <20080313160039.b69a5d24.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200803131618.58516.david-b@pacbell.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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