* [driver-core:debugfs_cleanup 3/13] drivers/gpu/drm/tiny/hx8357d.c:200:19: error: initialization of 'void (*)(struct drm_minor *)' from incompatible pointer type 'int (*)(struct drm_minor *)'
@ 2019-09-29 19:37 kbuild test robot
0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2019-09-29 19:37 UTC (permalink / raw)
To: Greg Kroah-Hartman; +Cc: devel, kbuild-all
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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 <lkp@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 <eric@anholt.net>
:::::: CC: Eric Anholt <eric@anholt.net>
---
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2019-09-29 19:37 [driver-core:debugfs_cleanup 3/13] drivers/gpu/drm/tiny/hx8357d.c:200:19: error: initialization of 'void (*)(struct drm_minor *)' from incompatible pointer type 'int (*)(struct drm_minor *)' kbuild test robot
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