Re: [PATCH] gpio: amd-fch: Return 0-1 range for get operation

[kernel test robot <lkp@intel.com>]

Hi Rory,

kernel test robot noticed the following build errors:

[auto build test ERROR on brgl/gpio/for-next]
[also build test ERROR on linus/master v6.19-rc7 next-20260129]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Rory-Little/gpio-amd-fch-Return-0-1-range-for-get-operation/20260130-063318
base:   https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git gpio/for-next
patch link:    https://lore.kernel.org/r/20260129222150.486419-1-rory%40candelatech.com
patch subject: [PATCH] gpio: amd-fch: Return 0-1 range for get operation
config: sparc-randconfig-002-20260130 (https://download.01.org/0day-ci/archive/20260130/202601301318.t7FyBGAS-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260130/202601301318.t7FyBGAS-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601301318.t7FyBGAS-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/gpio/gpio-amd-fch.c: In function 'amd_fch_gpio_get':
>> drivers/gpio/gpio-amd-fch.c:128:8: error: implicit declaration of function 'FIELD_GET' [-Werror=implicit-function-declaration]
     ret = FIELD_GET(AMD_FCH_GPIO_FLAG_READ, readl_relaxed(ptr));
           ^~~~~~~~~
   cc1: some warnings being treated as errors


vim +/FIELD_GET +128 drivers/gpio/gpio-amd-fch.c

   118	
   119	static int amd_fch_gpio_get(struct gpio_chip *gc,
   120				    unsigned int offset)
   121	{
   122		unsigned long flags;
   123		int ret;
   124		struct amd_fch_gpio_priv *priv = gpiochip_get_data(gc);
   125		void __iomem *ptr = amd_fch_gpio_addr(priv, offset);
   126	
   127		spin_lock_irqsave(&priv->lock, flags);
 > 128		ret = FIELD_GET(AMD_FCH_GPIO_FLAG_READ, readl_relaxed(ptr));
   129		spin_unlock_irqrestore(&priv->lock, flags);
   130	
   131		return ret;
   132	}
   133	

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