Re: [PATCH v3 2/4] pinctrl: renesas: Add RZ/G2L pin and gpio controller driver

From: kernel test robot
Date: Wed Jul 21 2021 - 16:34:38 EST


Hi Lad,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on 2734d6c1b1a089fb593ef6a23d4b70903526fe0c]

url: https://github.com/0day-ci/linux/commits/Lad-Prabhakar/pin-and-gpio-controller-driver-for-Renesas-RZ-G2L/20210722-031725
base: 2734d6c1b1a089fb593ef6a23d4b70903526fe0c
config: nios2-allyesconfig (attached as .config)
compiler: nios2-linux-gcc (GCC) 10.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/8735b74e6bbde5d76a49d014d4d1e1d901f7f370
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Lad-Prabhakar/pin-and-gpio-controller-driver-for-Renesas-RZ-G2L/20210722-031725
git checkout 8735b74e6bbde5d76a49d014d4d1e1d901f7f370
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=nios2

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

drivers/pinctrl/renesas/pinctrl-rzg2l.c: In function 'rzg2l_pinctrl_set_mux':
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:185:16: warning: variable 'data' set but not used [-Wunused-but-set-variable]
185 | unsigned long data;
| ^~~~


vim +/data +185 drivers/pinctrl/renesas/pinctrl-rzg2l.c

176
177 static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev,
178 unsigned int func_selector,
179 unsigned int group_selector)
180 {
181 struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
182 struct function_desc *func;
183 unsigned int i, *psel_val;
184 struct group_desc *group;
> 185 unsigned long data;
186 int *pins;
187
188 func = pinmux_generic_get_function(pctldev, func_selector);
189 if (!func)
190 return -EINVAL;
191 group = pinctrl_generic_get_group(pctldev, group_selector);
192 if (!group)
193 return -EINVAL;
194
195 psel_val = func->data;
196 pins = group->pins;
197 data = (unsigned long)group->data;
198
199 for (i = 0; i < group->num_pins; i++) {
200 dev_dbg(pctrl->dev, "port:%u pin: %u PSEL:%u\n",
201 RZG2L_PIN_ID_TO_PORT(pins[i]), RZG2L_PIN_ID_TO_PIN(pins[i]),
202 psel_val[i]);
203 rzg2l_pinctrl_set_pfc_mode(pctrl, RZG2L_PIN_ID_TO_PORT(pins[i]),
204 RZG2L_PIN_ID_TO_PIN(pins[i]), psel_val[i]);
205 }
206
207 return 0;
208 };
209

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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