tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_cleanup head: 2af10af50dae1d4154ed0053ac8bd15d773b86e4 commit: 2f52245a70e7911407dfbea078f1a012764f8a42 [3/13] drm: make .debugfs_init and drm_debugfs_create_files() return void config: nds32-allmodconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 2f52245a70e7911407dfbea078f1a012764f8a42 # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=nds32
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>
All errors (new ones prefixed by >>):
>> drivers/gpu/drm/tiny/hx8357d.c:200:19: error: initialization of 'void
>> (*)(struct drm_minor *)' from incompatible pointer type 'int (*)(struct
>> drm_minor *)' [-Werror=incompatible-pointer-types]
.debugfs_init = mipi_dbi_debugfs_init,
^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/tiny/hx8357d.c:200:19: note: (near initialization for
'hx8357d_driver.debugfs_init')
cc1: some warnings being treated as errors
--
>> drivers/gpu/drm/tiny/ili9341.c:156:19: error: initialization of 'void
>> (*)(struct drm_minor *)' from incompatible pointer type 'int (*)(struct
>> drm_minor *)' [-Werror=incompatible-pointer-types]
.debugfs_init = mipi_dbi_debugfs_init,
^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/tiny/ili9341.c:156:19: note: (near initialization for
'ili9341_driver.debugfs_init')
cc1: some warnings being treated as errors
--
>> drivers/gpu/drm/tiny/mi0283qt.c:160:19: error: initialization of 'void
>> (*)(struct drm_minor *)' from incompatible pointer type 'int (*)(struct
>> drm_minor *)' [-Werror=incompatible-pointer-types]
.debugfs_init = mipi_dbi_debugfs_init,
^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/tiny/mi0283qt.c:160:19: note: (near initialization for
'mi0283qt_driver.debugfs_init')
cc1: some warnings being treated as errors
--
>> drivers/gpu/drm/tiny/st7586.c:298:19: error: initialization of 'void
>> (*)(struct drm_minor *)' from incompatible pointer type 'int (*)(struct
>> drm_minor *)' [-Werror=incompatible-pointer-types]
.debugfs_init = mipi_dbi_debugfs_init,
^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/tiny/st7586.c:298:19: note: (near initialization for
'st7586_driver.debugfs_init')
cc1: some warnings being treated as errors
--
>> drivers/gpu/drm/tiny/st7735r.c:130:19: error: initialization of 'void
>> (*)(struct drm_minor *)' from incompatible pointer type 'int (*)(struct
>> drm_minor *)' [-Werror=incompatible-pointer-types]
.debugfs_init = mipi_dbi_debugfs_init,
^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/tiny/st7735r.c:130:19: note: (near initialization for
'st7735r_driver.debugfs_init')
cc1: some warnings being treated as errors
vim +200 drivers/gpu/drm/tiny/hx8357d.c
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 194
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 195
static struct drm_driver hx8357d_driver = {
0424fdaf883a68 drivers/gpu/drm/tinydrm/hx8357d.c Daniel Vetter 2019-06-17 196
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 197
.fops = &hx8357d_fops,
3eba3922819fe2 drivers/gpu/drm/tinydrm/hx8357d.c Noralf Trønnes 2019-02-25 198
.release = mipi_dbi_release,
3db8d37dd84e93 drivers/gpu/drm/tinydrm/hx8357d.c Noralf Trønnes 2018-11-10 199
DRM_GEM_CMA_VMAP_DRIVER_OPS,
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 @200
.debugfs_init = mipi_dbi_debugfs_init,
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 201
.name = "hx8357d",
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 202
.desc = "HX8357D",
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 203
.date = "20181023",
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 204
.major = 1,
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 205
.minor = 0,
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 206
};
f300c86e33a686 drivers/gpu/drm/tinydrm/hx8357d.c Eric Anholt 2018-10-24 207
:::::: The code at line 200 was first introduced by commit
:::::: f300c86e33a686c7abcf0c37deee04ef666ed78b drm: Add an hx8367d tinydrm
driver.
:::::: TO: Eric Anholt <e...@anholt.net>
:::::: CC: Eric Anholt <e...@anholt.net>
---
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