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SubjectRe: [PATCH v1 1/1] leds: bcm6358: Get rid of custom led_init_default_state_get()
Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on pavel-leds/for-next]
[also build test ERROR on linus/master v5.19 next-20220805]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/leds-bcm6358-Get-rid-of-custom-led_init_default_state_get/20220803-053220
base: git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next
config: arm-buildonly-randconfig-r004-20220801 (https://download.01.org/0day-ci/archive/20220807/202208070030.kV6Z7e9R-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/intel-lab-lkp/linux/commit/ad3083d8ac0e2beb10b75a7d87085911b4f6139a
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Andy-Shevchenko/leds-bcm6358-Get-rid-of-custom-led_init_default_state_get/20220803-053220
git checkout ad3083d8ac0e2beb10b75a7d87085911b4f6139a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/leds/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/leds/leds-bcm6358.c:116:10: error: call to undeclared function 'led_init_default_state_get'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
state = led_init_default_state_get(init_data.fwnode);
^
1 error generated.


vim +/led_init_default_state_get +116 drivers/leds/leds-bcm6358.c

93
94 static int bcm6358_led(struct device *dev, struct device_node *nc, u32 reg,
95 void __iomem *mem, spinlock_t *lock)
96 {
97 struct led_init_data init_data = {};
98 struct bcm6358_led *led;
99 enum led_default_state state;
100 unsigned long val;
101 int rc;
102
103 led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);
104 if (!led)
105 return -ENOMEM;
106
107 led->pin = reg;
108 led->mem = mem;
109 led->lock = lock;
110
111 if (of_property_read_bool(nc, "active-low"))
112 led->active_low = true;
113
114 init_data.fwnode = of_fwnode_handle(nc);
115
> 116 state = led_init_default_state_get(init_data.fwnode);
117 switch (state) {
118 case LEDS_DEFSTATE_ON:
119 led->cdev.brightness = LED_FULL;
120 break;
121 case LEDS_DEFSTATE_KEEP:
122 val = bcm6358_led_read(led->mem + BCM6358_REG_MODE);
123 val &= BIT(led->pin);
124 if ((led->active_low && !val) || (!led->active_low && val))
125 led->cdev.brightness = LED_FULL;
126 else
127 led->cdev.brightness = LED_OFF;
128 break;
129 default:
130 led->cdev.brightness = LED_OFF;
131 }
132
133 bcm6358_led_set(&led->cdev, led->cdev.brightness);
134
135 led->cdev.brightness_set = bcm6358_led_set;
136
137 rc = devm_led_classdev_register_ext(dev, &led->cdev, &init_data);
138 if (rc < 0)
139 return rc;
140
141 dev_dbg(dev, "registered LED %s\n", led->cdev.name);
142
143 return 0;
144 }
145

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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