6:36 a.m.
Hi Jean-Jacques,
FYI, the error/warning still remains.
tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.4.y
head: 872a510b1bbcab3969980f7fdaa664d7818c0210
commit: ced430ccdcbc2a14c064ec67d722daec9680e809 [136/9607] backlight: led_bl: Add support
for a "enable" gpio
config: sparc64-randconfig-r033-20200818 (attached as .config)
compiler: sparc64-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 ced430ccdcbc2a14c064ec67d722daec9680e809
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
drivers/video/backlight/led_bl.c: In function 'led_bl_set_brightness':
> drivers/video/backlight/led_bl.c:40:3: error: implicit
declaration of function 'gpiod_set_value_cansleep'; did you mean
'gpio_set_value_cansleep'? [-Werror=implicit-function-declaration]
40
| gpiod_set_value_cansleep(priv->enable_gpio, 1);
| ^~~~~~~~~~~~~~~~~~~~~~~~
| gpio_set_value_cansleep
drivers/video/backlight/led_bl.c: In function 'led_bl_probe':
> drivers/video/backlight/led_bl.c:242:22: error: implicit
declaration of function 'devm_gpiod_get_optional'
[-Werror=implicit-function-declaration]
242 | priv->enable_gpio =
devm_gpiod_get_optional(&pdev->dev, "enable",
| ^~~~~~~~~~~~~~~~~~~~~~~
> drivers/video/backlight/led_bl.c:243:11: error:
'GPIOD_OUT_LOW' undeclared (first use in this function); did you mean
'GPIOF_INIT_LOW'?
243 | GPIOD_OUT_LOW);
| ^~~~~~~~~~~~~
| GPIOF_INIT_LOW
drivers/video/backlight/led_bl.c:243:11: note: each undeclared identifier is reported
only once for each function it appears in
cc1: some warnings being treated as errors
git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
git fetch --no-tags ti ti-rt-linux-5.4.y
git checkout ced430ccdcbc2a14c064ec67d722daec9680e809
vim +40 drivers/video/backlight/led_bl.c
25
26 static void led_bl_set_brightness(struct led_bl_data *priv, int level)
27 {
28 int i;
29 int bkl_brightness;
30
31 if (priv->levels)
32 bkl_brightness = priv->levels[level];
33 else
34 bkl_brightness = level;
35
36 for (i = 0; i < priv->nb_leds; i++)
37 led_set_brightness(priv->leds[i], bkl_brightness);
38
39 if (!priv->enabled)
40 gpiod_set_value_cansleep(priv->enable_gpio, 1);
41
42 priv->enabled = true;
43 }
44
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org