* [tobetter-linux:odroid-5.8.y 30/31] drivers/pwm/pwm-gpio.c:60:22: warning: no previous prototype for 'gpio_pwm_timer'
@ 2020-07-20 17:16 kernel test robot
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From: kernel test robot @ 2020-07-20 17:16 UTC (permalink / raw)
To: kbuild-all
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tree: https://github.com/tobetter/linux odroid-5.8.y
head: 7898fd165cb4ce7f406b6d3f86bfac4afa22801c
commit: 6047f3a0ccdcd23bbeff1de3ac263a2a75393b46 [30/31] ODROID-COMMON: pwm: gpio: Add a generic gpio based PWM driver
config: alpha-allmodconfig (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
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
git checkout 6047f3a0ccdcd23bbeff1de3ac263a2a75393b46
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha
If you fix the issue, kindly add following tag as appropriate
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, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2020-07-20 17:16 [tobetter-linux:odroid-5.8.y 30/31] drivers/pwm/pwm-gpio.c:60:22: warning: no previous prototype for 'gpio_pwm_timer' kernel test robot
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