From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.99]:51170 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727663AbeIPPQM (ORCPT ); Sun, 16 Sep 2018 11:16:12 -0400 Date: Sun, 16 Sep 2018 10:53:51 +0100 From: Jonathan Cameron To: Nathan Chancellor Cc: Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Desaulniers Subject: Re: [PATCH] iio: adc: max9611: Avoid implicit enum conversion warning Message-ID: <20180916105351.1bf859ee@archlinux> In-Reply-To: <20180915052511.2243-1-natechancellor@gmail.com> References: <20180915052511.2243-1-natechancellor@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org On Fri, 14 Sep 2018 22:25:11 -0700 Nathan Chancellor wrote: > Clang warns when an enumerated type is implicitly converted to another. > > drivers/iio/adc/max9611.c:292:16: warning: implicit conversion from > enumeration type 'enum max9611_conf_ids' to different enumeration type > 'enum max9611_csa_gain' [-Wenum-conversion] > *csa_gain = gain_selectors[i]; > ~ ^~~~~~~~~~~~~~~~~ > 1 warning generated. > > Change the type of the variable 'gain_selectors' to int so that Clang > understands this is expected behavior. > > Reported-by: Nick Desaulniers > Signed-off-by: Nathan Chancellor How does this interact with the patch that Stefan Agner sent for the same issue last week? https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?h=testing&id=b1ec0802503820ccbc894aadfd2a44da20232f5e Thanks, Jonathan > --- > drivers/iio/adc/max9611.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/iio/adc/max9611.c b/drivers/iio/adc/max9611.c > index 0538ff8c4ac1..3c358b16a8fa 100644 > --- a/drivers/iio/adc/max9611.c > +++ b/drivers/iio/adc/max9611.c > @@ -275,7 +275,7 @@ static int max9611_read_csa_voltage(struct max9611_dev *max9611, > u16 *adc_raw, > enum max9611_csa_gain *csa_gain) > { > - enum max9611_conf_ids gain_selectors[] = { > + int gain_selectors[] = { > CONF_SENSE_1x, > CONF_SENSE_4x, > CONF_SENSE_8x