linux-kernel - Re: [PATCH 2/3] iio: pressure: bmp280: Add support for BMP380 sensor family

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Date:   Mon, 27 Jun 2022 16:48:01 +0200
From:   Angel Iglesias <ang.iglesiasg@...il.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>, kbuild@...ts.01.org
Cc:     lkp@...el.com, kbuild-all@...ts.01.org,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Paul Cercueil <paul@...pouillou.net>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] iio: pressure: bmp280: Add support for BMP380
 sensor family

On lun, 2022-06-27 at 10:37 +0300, Dan Carpenter wrote:
> Hi Angel,
> 
> url:   
> https://github.com/intel-lab-lkp/linux/commits/Angel-Iglesias/dt-bindings-iio-pressure-bmp085-Add-BMP380-compatible-string/20220625-231424
> base:  
> https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
> config: i386-randconfig-m021
> compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
> 
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> 
> smatch warnings:
> drivers/iio/pressure/bmp280-core.c:1000 bmp380_chip_config() warn:
> should this be a bitwise op?
> 
> vim +1000 drivers/iio/pressure/bmp280-core.c
> 
> 56e3f8aecddacd Angel Iglesias 2022-06-25   988          if (ret < 0)
> {
> 56e3f8aecddacd Angel Iglesias 2022-06-25  
> 989                  dev_err(data->dev, "failed to write config
> register\n");
> 56e3f8aecddacd Angel Iglesias 2022-06-25  
> 990                  return ret;
> 56e3f8aecddacd Angel Iglesias 2022-06-25   991          }
> 56e3f8aecddacd Angel Iglesias 2022-06-25   992  
> 56e3f8aecddacd Angel Iglesias 2022-06-25   993          /* check
> config error flag */
> 56e3f8aecddacd Angel Iglesias 2022-06-25   994          ret =
> regmap_read(data->regmap, BMP380_REG_ERROR, &tmp);
> 56e3f8aecddacd Angel Iglesias 2022-06-25   995          if (ret < 0)
> {
> 56e3f8aecddacd Angel Iglesias 2022-06-25  
> 996                  dev_err(data->dev,
> 56e3f8aecddacd Angel Iglesias 2022-06-25  
> 997                          "failed to read error register\n");
> 56e3f8aecddacd Angel Iglesias 2022-06-25  
> 998                  return ret;
> 56e3f8aecddacd Angel Iglesias 2022-06-25   999          }
> 56e3f8aecddacd Angel Iglesias 2022-06-25 @1000          if (tmp &&
> BMP380_ERR_CONF_MASK) {
>                                                                
> ^^^^^^^^^^^^^^^^^^^^^^^
> Looks like & BMP380_ERR_CONF_MASK was intended.
> 
> 56e3f8aecddacd Angel Iglesias 2022-06-25 
> 1001                  dev_warn(data->dev,
> 56e3f8aecddacd Angel Iglesias 2022-06-25 
> 1002                           "sensor flagged configuration as
> incompatible\n");
> 56e3f8aecddacd Angel Iglesias 2022-06-25  1003                  ret =
> -EINVAL;
> 56e3f8aecddacd Angel Iglesias 2022-06-25  1004          }
> 56e3f8aecddacd Angel Iglesias 2022-06-25  1005  
> 56e3f8aecddacd Angel Iglesias 2022-06-25  1006          return ret;
> 56e3f8aecddacd Angel Iglesias 2022-06-25  1007  }
> 
Thanks! that is an awkward mistake, my bad!