Messages in this thread | | | Date | Tue, 19 Jul 2022 22:43:25 +0800 | From | kernel test robot <> | Subject | drivers/pwm/pwm-gpio.c:60:22: warning: no previous prototype for 'gpio_pwm_timer' |
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tree: https://github.com/tobetter/linux odroid-5.19.y head: 0569e1291a824471ea27c9e90132881c0232a3a0 commit: e76d6cf1a5ecd46156c2dc716f5acfba766156f6 ODROID-COMMON: pwm: gpio: Add a generic gpio based PWM driver date: 8 days ago config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220719/202207192231.Py9az5ky-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/tobetter/linux/commit/e76d6cf1a5ecd46156c2dc716f5acfba766156f6 git remote add tobetter https://github.com/tobetter/linux git fetch --no-tags tobetter odroid-5.19.y git checkout e76d6cf1a5ecd46156c2dc716f5acfba766156f6 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/pwm/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/pwm/pwm-gpio.c:60:22: warning: no previous prototype for 'gpio_pwm_timer' [-Wmissing-prototypes] 60 | enum hrtimer_restart gpio_pwm_timer(struct hrtimer *timer) | ^~~~~~~~~~~~~~
vim +/gpio_pwm_timer +60 drivers/pwm/pwm-gpio.c
59 > 60 enum hrtimer_restart gpio_pwm_timer(struct hrtimer *timer) 61 { 62 struct gpio_pwm_data *gpio_data = container_of(timer, 63 struct gpio_pwm_data, 64 timer); 65 if (!gpio_data->run) { 66 gpio_pwm_off(gpio_data); 67 gpio_data->pin_on = false; 68 return HRTIMER_NORESTART; 69 } 70 71 if (!gpio_data->pin_on) { 72 hrtimer_forward_now(&gpio_data->timer, 73 ns_to_ktime(gpio_data->on_time)); 74 gpio_pwm_on(gpio_data); 75 gpio_data->pin_on = true; 76 } else { 77 hrtimer_forward_now(&gpio_data->timer, 78 ns_to_ktime(gpio_data->off_time)); 79 gpio_pwm_off(gpio_data); 80 gpio_data->pin_on = false; 81 } 82 83 return HRTIMER_RESTART; 84 } 85
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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