[freescale-fslc:6.6-1.0.x-imx 3505/11728] drivers/pinctrl/devicetree.c:201:6: warning: variable 'index' set but not used

From: kernel test robot <lkp@intel.com>
To: Otavio Salvador <otavio@ossystems.com.br>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [freescale-fslc:6.6-1.0.x-imx 3505/11728] drivers/pinctrl/devicetree.c:201:6: warning: variable 'index' set but not used
Date: Sun, 28 Apr 2024 09:45:08 +0800	[thread overview]
Message-ID: <202404280905.RCuGmtS8-lkp@intel.com> (raw)

tree:   https://github.com/Freescale/linux-fslc 6.6-1.0.x-imx
head:   37770f55ac9c4f6cd958eb5544939207eed8478f
commit: 26bccb9f27ca09e8c00172691a23151779342d8a [3505/11728] MLK-11749: pinctrl: support pinctrl setting assertion via gpios
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240428/202404280905.RCuGmtS8-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 5ef5eb66fb428aaf61fb51b709f065c069c11242)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240428/202404280905.RCuGmtS8-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/202404280905.RCuGmtS8-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/pinctrl/devicetree.c:201:6: warning: variable 'index' set but not used [-Wunused-but-set-variable]
     201 |         int index = 0;
         |             ^
   1 warning generated.

vim +/index +201 drivers/pinctrl/devicetree.c

   196	
   197	static int dt_gpio_assert_pinctrl(struct pinctrl *p)
   198	{
   199		struct device_node *np = p->dev->of_node;
   200		struct gpio_desc *gpio;
 > 201		int index = 0;
   202		int ret;
   203	
   204		if (!of_find_property(np, "pinctrl-assert-gpios", NULL))
   205			return 0; /* Missing the property, so nothing to be done */
   206	
   207		for (;; index++) {
   208			gpio = devm_gpiod_get_optional(p->dev, "pinctrl-assert",
   209						       GPIOD_OUT_HIGH);
   210			ret = PTR_ERR(gpio);
   211			if (ret < 0) {
   212				if (PTR_ERR(gpio) == -EPROBE_DEFER)
   213					return -EPROBE_DEFER;
   214	 			break; /* End of the phandle list */
   215	 		}
   216		}
   217	
   218		return 0;
   219	}
   220	

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