From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonathan Cameron Subject: Re: [PATCH v3 1/2] iio: light: add driver for bh1730fvc chips Date: Sat, 3 Mar 2018 16:15:07 +0000 Message-ID: <20180303161507.2f60345f@archlinux> References: <20180228001525.96044-1-delroth@google.com> <20180303153723.40773aae@archlinux> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Andy Shevchenko Cc: Pierre Bourdon , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , linux-iio@vger.kernel.org, Rob Herring , Mark Rutland , devicetree , Linux Kernel Mailing List , Daniel Baluta List-Id: devicetree@vger.kernel.org On Sat, 3 Mar 2018 17:44:44 +0200 Andy Shevchenko wrote: > On Sat, Mar 3, 2018 at 5:37 PM, Jonathan Cameron wrote: > > On Wed, 28 Feb 2018 17:06:09 +0200 > >> On Wed, Feb 28, 2018 at 2:15 AM, Pierre Bourdon wrote: > > Better to address even minors before submission. Absolutely. > > >> > + if (itime <= 0 || itime > 255) > >> > >> Just side note: Suprisingly how many in_range() implementations we > >> have in kernel... > > I guess one of those things that is so simple it's not worth having > > one true in_range to rule them all ;) > > We have already several implementations of the macro. > > >> > +static int bh1730_adjust_gain(struct bh1730_data *bh1730) > >> > +{ > >> > + int visible, ir, highest, gain, ret, i; > >> > >> int visible, ir, highest, gain; > >> unsigned int i; > > > > Is there a strong reason for this one that I'm missing? > > (beyond personal taste!) > > First of all, I'm far from being fan of mixing int ret into other > variable definitions. > > unsigned int i OTOH shows explicitly that we have counter which is not > supposed to be negative. Given it's specifically indexing over an enum (which can have any definition it likes) I wouldn't normally care, but fair enough. > > int i in most of the cases will work, so, it's a minor. I'm not > insisting, though having counter variable on separate line is also a > good thing. > > In general, having different things in one line is a bad idea for my opinion. Agreed. > > >> int ret; >