Hi Bartlomiej, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.1-rc4 next-20190412] [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/Bartlomiej-Zolnierkiewicz/video-fbdev-gbefb-add-COMPILE_TEST-support/20190413-072821 config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 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=7.2.0 make.cross ARCH=arm All errors (new ones prefixed by >>): drivers/video/fbdev/gbefb.o: In function `gbe_turn_off': >> gbefb.c:(.text+0x9b8): undefined reference to `__bad_udelay' gbefb.c:(.text+0xa0c): undefined reference to `__bad_udelay' drivers/video/fbdev/gbefb.o: In function `gbe_turn_on': gbefb.c:(.text+0xb64): undefined reference to `__bad_udelay' gbefb.c:(.text+0xbb0): undefined reference to `__bad_udelay' drivers/video/fbdev/gbefb.o: In function `gbefb_set_par': gbefb.c:(.text+0xda4): undefined reference to `__bad_udelay' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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