From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Perches Subject: Re: [PATCH 2/5] gpio: Cygnus: add GPIO driver Date: Fri, 05 Dec 2014 20:24:25 -0800 Message-ID: <1417839865.31745.10.camel@perches.com> References: <1417826408-1600-1-git-send-email-rjui@broadcom.com> <1417826408-1600-3-git-send-email-rjui@broadcom.com> <1417829282.31745.3.camel@perches.com> <5482668F.1040907@broadcom.com> <1417833291.31745.5.camel@perches.com> <54827B07.3000707@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <54827B07.3000707@broadcom.com> Sender: linux-gpio-owner@vger.kernel.org To: Ray Jui Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Linus Walleij , Alexandre Courbot , Grant Likely , Christian Daudt , Matt Porter , Florian Fainelli , Russell King , Scott Branden , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org On Fri, 2014-12-05 at 19:41 -0800, Ray Jui wrote: > On 12/5/2014 6:34 PM, Joe Perches wrote: > > On Fri, 2014-12-05 at 18:14 -0800, Ray Jui wrote: > >> On 12/5/2014 5:28 PM, Joe Perches wrote: > >>> On Fri, 2014-12-05 at 16:40 -0800, Ray Jui wrote: > >>>> + for_each_set_bit(bit, &val, 32) { [] > Actually, by reviewing the code more deeply, I'm not sure why using > for_each_set_bit here is 'endian unsafe'. It's not. The 32 confused me as it was long and sizeof(long) isn't necessarily 32. Maybe the 32 should be a #define