Re: [PATCH v2 03/10] pinctrl: axp209: use drv_data of pinctrl_pin_desc to store pin reg

[kbuild test robot]

Hi Quentin,

[auto build test WARNING on ]

url:    
https://github.com/0day-ci/linux/commits/Quentin-Schulz/add-pinmuxing-support-for-pins-in-AXP209-and-AXP813-PMICs/20170929-162846
base:    
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All warnings (new ones prefixed by >>):

   drivers//pinctrl/pinctrl-axp209.c: In function 'axp20x_gpio_get_direction':
>> drivers//pinctrl/pinctrl-axp209.c:136:12: warning: cast from pointer to 
>> integer of different size [-Wpointer-to-int-cast]
     int reg = (int)gpio->desc->pins[offset].pin.drv_data;
               ^
   drivers//pinctrl/pinctrl-axp209.c: In function 'axp20x_gpio_set':
   drivers//pinctrl/pinctrl-axp209.c:171:12: warning: cast from pointer to 
integer of different size [-Wpointer-to-int-cast]
     int reg = (int)gpio->desc->pins[offset].pin.drv_data;
               ^
   drivers//pinctrl/pinctrl-axp209.c: In function 'axp20x_pmx_set':
   drivers//pinctrl/pinctrl-axp209.c:183:12: warning: cast from pointer to 
integer of different size [-Wpointer-to-int-cast]
     int reg = (int)gpio->desc->pins[offset].pin.drv_data;
               ^

vim +136 drivers//pinctrl/pinctrl-axp209.c

   132  
   133  static int axp20x_gpio_get_direction(struct gpio_chip *chip, unsigned 
offset)
   134  {
   135          struct axp20x_gpio *gpio = gpiochip_get_data(chip);
 > 136          int reg = (int)gpio->desc->pins[offset].pin.drv_data;
   137          unsigned int val;
   138          int ret;
   139  
   140          ret = regmap_read(gpio->regmap, reg, &val);
   141          if (ret)
   142                  return ret;
   143  
   144          /*
   145           * This shouldn't really happen if the pin is in use already,
   146           * or if it's not in use yet, it doesn't matter since we're
   147           * going to change the value soon anyway. Default to output.
   148           */
   149          if ((val & AXP20X_GPIO_FUNCTIONS) > 2)
   150                  return 0;
   151  
   152          /*
   153           * The GPIO directions are the three lowest values.
   154           * 2 is input, 0 and 1 are output
   155           */
   156          return val & 2;
   157  }
   158  

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