Re: [PATCH 11/11] drm: remove unused and redundant callbacks

From: kbuild test robot
Date: Wed Jun 21 2017 - 12:36:22 EST


Hi Peter,

[auto build test ERROR on drm/drm-next]
[also build test ERROR on next-20170621]
[cannot apply to v4.12-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Peter-Rosin/improve-the-fb_setcmap-helper/20170621-205441
base: git://people.freedesktop.org/~airlied/linux.git drm-next
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm

All errors (new ones prefixed by >>):

>> drivers/gpu//drm/armada/armada_fbdev.c:121:2: error: unknown field 'gamma_set' specified in initializer
.gamma_set = armada_drm_crtc_gamma_set,
^
>> drivers/gpu//drm/armada/armada_fbdev.c:121:15: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
.gamma_set = armada_drm_crtc_gamma_set,
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu//drm/armada/armada_fbdev.c:121:15: note: (near initialization for 'armada_fb_helper_funcs.fb_probe')
>> drivers/gpu//drm/armada/armada_fbdev.c:122:2: error: unknown field 'gamma_get' specified in initializer
.gamma_get = armada_drm_crtc_gamma_get,
^
drivers/gpu//drm/armada/armada_fbdev.c:122:15: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
.gamma_get = armada_drm_crtc_gamma_get,
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu//drm/armada/armada_fbdev.c:122:15: note: (near initialization for 'armada_fb_helper_funcs.initial_config')
cc1: some warnings being treated as errors

vim +/gamma_set +121 drivers/gpu//drm/armada/armada_fbdev.c

96f60e37 Russell King 2012-08-15 115 ret = 1;
96f60e37 Russell King 2012-08-15 116 }
96f60e37 Russell King 2012-08-15 117 return ret;
96f60e37 Russell King 2012-08-15 118 }
96f60e37 Russell King 2012-08-15 119
3a493879 Thierry Reding 2014-06-27 120 static const struct drm_fb_helper_funcs armada_fb_helper_funcs = {
96f60e37 Russell King 2012-08-15 @121 .gamma_set = armada_drm_crtc_gamma_set,
96f60e37 Russell King 2012-08-15 @122 .gamma_get = armada_drm_crtc_gamma_get,
96f60e37 Russell King 2012-08-15 123 .fb_probe = armada_fb_probe,
96f60e37 Russell King 2012-08-15 124 };
96f60e37 Russell King 2012-08-15 125

:::::: The code at line 121 was first introduced by commit
:::::: 96f60e37dc66091bde8d5de136ff6fda09f2d799 DRM: Armada: Add Armada DRM driver

:::::: TO: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
:::::: CC: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>

---
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