Hi Linus, I love your patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next drm-tip/drm-tip linus/master v5.8-rc2 next-20200626] [cannot apply to drm/drm-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Linus-Walleij/drm-gma500-Drop-surplus-include/20200627-060308 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project ee3620643dfc88a178fa4ca116cf83014e4ee547) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/gma500/mdfld_dsi_output.c:452:8: error: implicit declaration of function 'gpio_request' [-Werror,-Wimplicit-function-declaration] ret = gpio_request(gpio, "gfx"); ^ >> drivers/gpu/drm/gma500/mdfld_dsi_output.c:458:8: error: implicit declaration of function 'gpio_direction_output' [-Werror,-Wimplicit-function-declaration] ret = gpio_direction_output(gpio, 1); ^ >> drivers/gpu/drm/gma500/mdfld_dsi_output.c:464:2: error: implicit declaration of function 'gpio_get_value' [-Werror,-Wimplicit-function-declaration] gpio_get_value(128); ^ >> drivers/gpu/drm/gma500/mdfld_dsi_output.c:467:6: error: implicit declaration of function 'gpio_is_valid' [-Werror,-Wimplicit-function-declaration] if (gpio_is_valid(gpio)) ^ drivers/gpu/drm/gma500/mdfld_dsi_output.c:467:6: note: did you mean 'uuid_is_valid'? include/linux/uuid.h:92:19: note: 'uuid_is_valid' declared here bool __must_check uuid_is_valid(const char *uuid); ^ >> drivers/gpu/drm/gma500/mdfld_dsi_output.c:468:3: error: implicit declaration of function 'gpio_free' [-Werror,-Wimplicit-function-declaration] gpio_free(gpio); ^ 5 errors generated. vim +/gpio_request +452 drivers/gpu/drm/gma500/mdfld_dsi_output.c 026abc333205c1 Kirill A. Shutemov 2012-03-08 434 026abc333205c1 Kirill A. Shutemov 2012-03-08 435 int mdfld_dsi_panel_reset(int pipe) 026abc333205c1 Kirill A. Shutemov 2012-03-08 436 { 026abc333205c1 Kirill A. Shutemov 2012-03-08 437 unsigned gpio; 026abc333205c1 Kirill A. Shutemov 2012-03-08 438 int ret = 0; 026abc333205c1 Kirill A. Shutemov 2012-03-08 439 026abc333205c1 Kirill A. Shutemov 2012-03-08 440 switch (pipe) { 026abc333205c1 Kirill A. Shutemov 2012-03-08 441 case 0: 026abc333205c1 Kirill A. Shutemov 2012-03-08 442 gpio = 128; 026abc333205c1 Kirill A. Shutemov 2012-03-08 443 break; 026abc333205c1 Kirill A. Shutemov 2012-03-08 444 case 2: 026abc333205c1 Kirill A. Shutemov 2012-03-08 445 gpio = 34; 026abc333205c1 Kirill A. Shutemov 2012-03-08 446 break; 026abc333205c1 Kirill A. Shutemov 2012-03-08 447 default: 026abc333205c1 Kirill A. Shutemov 2012-03-08 448 DRM_ERROR("Invalid output\n"); 026abc333205c1 Kirill A. Shutemov 2012-03-08 449 return -EINVAL; 026abc333205c1 Kirill A. Shutemov 2012-03-08 450 } 026abc333205c1 Kirill A. Shutemov 2012-03-08 451 026abc333205c1 Kirill A. Shutemov 2012-03-08 @452 ret = gpio_request(gpio, "gfx"); 026abc333205c1 Kirill A. Shutemov 2012-03-08 453 if (ret) { 026abc333205c1 Kirill A. Shutemov 2012-03-08 454 DRM_ERROR("gpio_rqueset failed\n"); 026abc333205c1 Kirill A. Shutemov 2012-03-08 455 return ret; 026abc333205c1 Kirill A. Shutemov 2012-03-08 456 } 026abc333205c1 Kirill A. Shutemov 2012-03-08 457 026abc333205c1 Kirill A. Shutemov 2012-03-08 @458 ret = gpio_direction_output(gpio, 1); 026abc333205c1 Kirill A. Shutemov 2012-03-08 459 if (ret) { 026abc333205c1 Kirill A. Shutemov 2012-03-08 460 DRM_ERROR("gpio_direction_output failed\n"); 026abc333205c1 Kirill A. Shutemov 2012-03-08 461 goto gpio_error; 026abc333205c1 Kirill A. Shutemov 2012-03-08 462 } 026abc333205c1 Kirill A. Shutemov 2012-03-08 463 026abc333205c1 Kirill A. Shutemov 2012-03-08 @464 gpio_get_value(128); 026abc333205c1 Kirill A. Shutemov 2012-03-08 465 026abc333205c1 Kirill A. Shutemov 2012-03-08 466 gpio_error: 026abc333205c1 Kirill A. Shutemov 2012-03-08 @467 if (gpio_is_valid(gpio)) 026abc333205c1 Kirill A. Shutemov 2012-03-08 @468 gpio_free(gpio); 026abc333205c1 Kirill A. Shutemov 2012-03-08 469 026abc333205c1 Kirill A. Shutemov 2012-03-08 470 return ret; 026abc333205c1 Kirill A. Shutemov 2012-03-08 471 } 026abc333205c1 Kirill A. Shutemov 2012-03-08 472 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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