[tobetter:odroid-5.17.y 9/41] drivers/power/reset/odroid-reboot.c:63:6: warning: no previous prototype for 'odroid_card_reset'

kernel test robot
2022-02-15T11:25:11Z

tree: https://github.com/tobetter/linux odroid-5.17.y
head: 992855288ffabfafb16c8ed7ce9a81fc64cfc89a
commit: 5129b4258d6570b94abc714f4ac79508f8b7645b [9/41] ODROID-COMMON: power:reset: Add odroid support
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20220215/202202151819.zUcA2HQK-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
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/tobetter/linux/commit/5129b4258d6570b94abc714f4ac79508f8b7645b
git remote add tobetter https://github.com/tobetter/linux
git fetch --no-tags tobetter odroid-5.17.y
git checkout 5129b4258d6570b94abc714f4ac79508f8b7645b
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/power/reset/

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/power/reset/odroid-reboot.c:63:6: warning: no previous prototype for 'odroid_card_reset' [-Wmissing-prototypes]
63 | void odroid_card_reset(void)
| ^~~~~~~~~~~~~~~~~
drivers/power/reset/odroid-reboot.c: In function 'odroid_restart_probe':
drivers/power/reset/odroid-reboot.c:141:17: error: 'arm_pm_restart' undeclared (first use in this function); did you mean 'alarm_restart'?
141 | arm_pm_restart = do_odroid_restart;
| ^~~~~~~~~~~~~~
| alarm_restart
drivers/power/reset/odroid-reboot.c:141:17: note: each undeclared identifier is reported only once for each function it appears in

vim +/odroid_card_reset +63 drivers/power/reset/odroid-reboot.c

62
> 63 void odroid_card_reset(void)
64 {
65 int ret = 0;
66
67 if ((sd_vqsw == 0) && (sd_vmmc == 0))
68 return;
69
70 if (sd_vqen == 0) {
71 gpio_free(sd_vqsw);
72 gpio_free(sd_vmmc);
73 ret = gpio_request_one(sd_vqsw,
74 GPIOF_OUT_INIT_LOW, "REBOOT");
75 CHECK_RET(ret);
76 mdelay(10);
77 ret = gpio_direction_output(sd_vqsw, 1);
78 CHECK_RET(ret);
79 ret = gpio_request_one(sd_vmmc,
80 GPIOF_OUT_INIT_LOW, "REBOOT");
81 CHECK_RET(ret);
82 mdelay(10);
83 ret = gpio_direction_output(sd_vqsw, 0);
84 CHECK_RET(ret);
85 ret = gpio_direction_output(sd_vmmc, 1);
86 CHECK_RET(ret);
87 mdelay(5);
88 gpio_free(sd_vqsw);
89 gpio_free(sd_vmmc);
90 } else {
91 gpio_free(sd_vqsw);
92 gpio_free(sd_vqen);
93 gpio_free(sd_vmmc);
94
95 ret = gpio_request_one(sd_vqsw,
96 GPIOF_OUT_INIT_LOW, "REBOOT");
97 CHECK_RET(ret);
98 ret = gpio_request_one(sd_vqen,
99 GPIOF_OUT_INIT_LOW, "REBOOT");
100 CHECK_RET(ret);
101 ret = gpio_request_one(sd_vmmc,
102 GPIOF_OUT_INIT_LOW, "REBOOT");
103 CHECK_RET(ret);
104 mdelay(100);
105 ret = gpio_direction_input(sd_vqen);
106 CHECK_RET(ret);
107 ret = gpio_direction_input(sd_vmmc);
108 CHECK_RET(ret);
109 ret = gpio_direction_input(sd_vqsw);
110 CHECK_RET(ret);
111 mdelay(5);
112 gpio_free(sd_vqen);
113 gpio_free(sd_vmmc);
114 gpio_free(sd_vqsw);
115 }
116 }
117

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0-DAY CI Kernel Test Service, Intel Corporation