[PATCH 2/7] fbdev: Do not include <linux/backlight.h> in header
kernel test robot
lkp at intel.com
Tue Feb 13 05:43:30 UTC 2024
Hi Thomas,
kernel test robot noticed the following build warnings:
[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on linus/master v6.8-rc4 next-20240212]
[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/Thomas-Zimmermann/drm-nouveau-Include-linux-backlight-h/20240212-181930
base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link: https://lore.kernel.org/r/20240212101712.23675-3-tzimmermann%40suse.de
patch subject: [PATCH 2/7] fbdev: Do not include <linux/backlight.h> in header
config: powerpc-ppc6xx_defconfig (https://download.01.org/0day-ci/archive/20240213/202402131349.eg8DJ3MB-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240213/202402131349.eg8DJ3MB-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402131349.eg8DJ3MB-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/macintosh/via-pmu-backlight.c: In function '__pmu_backlight_update_status':
drivers/macintosh/via-pmu-backlight.c:74:21: error: implicit declaration of function 'backlight_get_brightness'; did you mean 'pmu_backlight_get_level_brightness'? [-Werror=implicit-function-declaration]
74 | int level = backlight_get_brightness(bd);
| ^~~~~~~~~~~~~~~~~~~~~~~~
| pmu_backlight_get_level_brightness
drivers/macintosh/via-pmu-backlight.c: At top level:
drivers/macintosh/via-pmu-backlight.c:108:21: error: variable 'pmu_backlight_data' has initializer but incomplete type
108 | static const struct backlight_ops pmu_backlight_data = {
| ^~~~~~~~~~~~~
drivers/macintosh/via-pmu-backlight.c:109:10: error: 'const struct backlight_ops' has no member named 'update_status'
109 | .update_status = pmu_backlight_update_status,
| ^~~~~~~~~~~~~
>> drivers/macintosh/via-pmu-backlight.c:109:27: warning: excess elements in struct initializer
109 | .update_status = pmu_backlight_update_status,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/macintosh/via-pmu-backlight.c:109:27: note: (near initialization for 'pmu_backlight_data')
drivers/macintosh/via-pmu-backlight.c: In function 'pmu_backlight_init':
drivers/macintosh/via-pmu-backlight.c:136:37: error: storage size of 'props' isn't known
136 | struct backlight_properties props;
| ^~~~~
drivers/macintosh/via-pmu-backlight.c:154:34: error: invalid application of 'sizeof' to incomplete type 'struct backlight_properties'
154 | memset(&props, 0, sizeof(struct backlight_properties));
| ^~~~~~
drivers/macintosh/via-pmu-backlight.c:155:22: error: 'BACKLIGHT_PLATFORM' undeclared (first use in this function)
155 | props.type = BACKLIGHT_PLATFORM;
| ^~~~~~~~~~~~~~~~~~
drivers/macintosh/via-pmu-backlight.c:155:22: note: each undeclared identifier is reported only once for each function it appears in
drivers/macintosh/via-pmu-backlight.c:157:14: error: implicit declaration of function 'backlight_device_register'; did you mean 'root_device_register'? [-Werror=implicit-function-declaration]
157 | bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
| root_device_register
drivers/macintosh/via-pmu-backlight.c:166:19: error: invalid use of undefined type 'struct backlight_device'
166 | level = bd->props.max_brightness;
| ^~
drivers/macintosh/via-pmu-backlight.c:176:35: error: invalid use of undefined type 'struct backlight_device'
176 | bd->props.max_brightness / 15);
| ^~
drivers/macintosh/via-pmu-backlight.c:179:11: error: invalid use of undefined type 'struct backlight_device'
179 | bd->props.brightness = level;
| ^~
drivers/macintosh/via-pmu-backlight.c:180:11: error: invalid use of undefined type 'struct backlight_device'
180 | bd->props.power = FB_BLANK_UNBLANK;
| ^~
drivers/macintosh/via-pmu-backlight.c:181:9: error: implicit declaration of function 'backlight_update_status'; did you mean 'pmu_backlight_update_status'? [-Werror=implicit-function-declaration]
181 | backlight_update_status(bd);
| ^~~~~~~~~~~~~~~~~~~~~~~
| pmu_backlight_update_status
>> drivers/macintosh/via-pmu-backlight.c:136:37: warning: unused variable 'props' [-Wunused-variable]
136 | struct backlight_properties props;
| ^~~~~
drivers/macintosh/via-pmu-backlight.c: At top level:
drivers/macintosh/via-pmu-backlight.c:108:35: error: storage size of 'pmu_backlight_data' isn't known
108 | static const struct backlight_ops pmu_backlight_data = {
| ^~~~~~~~~~~~~~~~~~
drivers/macintosh/via-pmu-backlight.c:108:35: error: storage size of 'pmu_backlight_data' isn't known
cc1: some warnings being treated as errors
vim +109 drivers/macintosh/via-pmu-backlight.c
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 106
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 107
acc2472ed33fc5 Lionel Debroux 2010-11-16 108 static const struct backlight_ops pmu_backlight_data = {
5474c120aafe78 Michael Hanselmann 2006-06-25 @109 .update_status = pmu_backlight_update_status,
599a52d1262939 Richard Purdie 2007-02-10 110
5474c120aafe78 Michael Hanselmann 2006-06-25 111 };
5474c120aafe78 Michael Hanselmann 2006-06-25 112
4b755999d6e0c1 Michael Hanselmann 2006-07-30 113 #ifdef CONFIG_PM
d565dd3b0824b6 Benjamin Herrenschmidt 2006-08-31 114 void pmu_backlight_set_sleep(int sleep)
4b755999d6e0c1 Michael Hanselmann 2006-07-30 115 {
4b755999d6e0c1 Michael Hanselmann 2006-07-30 116 unsigned long flags;
4b755999d6e0c1 Michael Hanselmann 2006-07-30 117
4b755999d6e0c1 Michael Hanselmann 2006-07-30 118 spin_lock_irqsave(&pmu_backlight_lock, flags);
d565dd3b0824b6 Benjamin Herrenschmidt 2006-08-31 119 sleeping = sleep;
fa19d63488bd10 Benjamin Herrenschmidt 2008-03-03 120 if (pmac_backlight && uses_pmu_bl) {
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 121 if (sleep) {
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 122 struct adb_request req;
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 123
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 124 pmu_request(&req, NULL, 2, PMU_POWER_CTRL,
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 125 PMU_POW_BACKLIGHT | PMU_POW_OFF);
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 126 pmu_wait_complete(&req);
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 127 } else
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 128 __pmu_backlight_update_status(pmac_backlight);
0094f2cdcfb6f2 Benjamin Herrenschmidt 2007-12-20 129 }
4b755999d6e0c1 Michael Hanselmann 2006-07-30 130 spin_unlock_irqrestore(&pmu_backlight_lock, flags);
4b755999d6e0c1 Michael Hanselmann 2006-07-30 131 }
d565dd3b0824b6 Benjamin Herrenschmidt 2006-08-31 132 #endif /* CONFIG_PM */
4b755999d6e0c1 Michael Hanselmann 2006-07-30 133
00f7b29f6e9b8a Mathieu Malaterre 2017-12-26 134 void __init pmu_backlight_init(void)
5474c120aafe78 Michael Hanselmann 2006-06-25 135 {
a19a6ee6cad2b2 Matthew Garrett 2010-02-17 @136 struct backlight_properties props;
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
More information about the dri-devel
mailing list