Hi Yangtao, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.20-rc4 next-20181130] [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/Yangtao-Li/media-omap2-omapfb-convert-to-DEFINE_SHOW_ATTRIBUTE/20181202-104442 config: xtensa-allmodconfig (attached as .config) compiler: xtensa-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 # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=xtensa All errors (new ones prefixed by >>): drivers/video/fbdev/omap2/omapfb/dss/core.c: In function 'dss_debugfs_create_file': >> drivers/video/fbdev/omap2/omapfb/dss/core.c:138:12: error: 'dss_debug_fops' undeclared (first use in this function); did you mean 'dss_debugfs_dir'? write, &dss_debug_fops); ^~~~~~~~~~~~~~ dss_debugfs_dir drivers/video/fbdev/omap2/omapfb/dss/core.c:138:12: note: each undeclared identifier is reported only once for each function it appears in vim +138 drivers/video/fbdev/omap2/omapfb/dss/core.c f76ee892 Tomi Valkeinen 2015-12-09 132 f76ee892 Tomi Valkeinen 2015-12-09 133 int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *)) f76ee892 Tomi Valkeinen 2015-12-09 134 { f76ee892 Tomi Valkeinen 2015-12-09 135 struct dentry *d; f76ee892 Tomi Valkeinen 2015-12-09 136 f76ee892 Tomi Valkeinen 2015-12-09 137 d = debugfs_create_file(name, S_IRUGO, dss_debugfs_dir, f76ee892 Tomi Valkeinen 2015-12-09 @138 write, &dss_debug_fops); f76ee892 Tomi Valkeinen 2015-12-09 139 f76ee892 Tomi Valkeinen 2015-12-09 140 return PTR_ERR_OR_ZERO(d); f76ee892 Tomi Valkeinen 2015-12-09 141 } 35b522cf Tomi Valkeinen 2015-12-09 142 #else /* CONFIG_FB_OMAP2_DSS_DEBUGFS */ f76ee892 Tomi Valkeinen 2015-12-09 143 static inline int dss_initialize_debugfs(void) f76ee892 Tomi Valkeinen 2015-12-09 144 { f76ee892 Tomi Valkeinen 2015-12-09 145 return 0; f76ee892 Tomi Valkeinen 2015-12-09 146 } f76ee892 Tomi Valkeinen 2015-12-09 147 static inline void dss_uninitialize_debugfs(void) f76ee892 Tomi Valkeinen 2015-12-09 148 { f76ee892 Tomi Valkeinen 2015-12-09 149 } f76ee892 Tomi Valkeinen 2015-12-09 150 int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *)) f76ee892 Tomi Valkeinen 2015-12-09 151 { f76ee892 Tomi Valkeinen 2015-12-09 152 return 0; f76ee892 Tomi Valkeinen 2015-12-09 153 } 35b522cf Tomi Valkeinen 2015-12-09 154 #endif /* CONFIG_FB_OMAP2_DSS_DEBUGFS */ f76ee892 Tomi Valkeinen 2015-12-09 155 :::::: The code at line 138 was first introduced by commit :::::: f76ee892a99e68b55402b8d4b8aeffcae2aff34d omapfb: copy omapdss & displays for omapfb :::::: TO: Tomi Valkeinen <tomi.valkeinen@xxxxxx> :::::: CC: Tomi Valkeinen <tomi.valkeinen@xxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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