Hi, [auto build test WARNING on hwmon/hwmon-next] [also build test WARNING on v4.7-rc7 next-20160715] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Joshua-Clayton/hwmon-add-driver-for-TI-ADS1118/20160716-082056 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: x86_64-randconfig-x001-201629 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/hwmon/ads1118.c: In function 'ads1118_get_cfg': >> drivers/hwmon/ads1118.c:421:22: warning: unused variable 'node' >> [-Wunused-variable] struct device_node *node; ^~~~ vim +/node +421 drivers/hwmon/ads1118.c 405 ads->channel_data[i].cfg &= ~(BIT(ADS1118_PULL_UP)); 406 } 407 #endif 408 409 static void ads1118_temp_chan_enable(struct ads1118 *ads) 410 { 411 struct ads_channel *chan = &ads->channel_data[ADS1118_TEMP_CHAN]; 412 unsigned int rate = ads->ref->rates[ADS1118_DEFAULT_DR]; 413 414 chan->cfg = ADS1118_TEMP_CFG; 415 ads1118_chan_set_rate(ads, chan, rate); 416 chan->enabled = true; 417 } 418 419 static int ads1118_get_cfg(struct ads1118 *ads) 420 { > 421 struct device_node *node; 422 423 #ifndef CONFIG_OF 424 return -EINVAL; 425 #else 426 if (!ads->dev->of_node 427 || !of_get_next_child(ads->dev->of_node, NULL)) 428 return -EINVAL; 429 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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