Hi Markuss, I love your patch! Yet something to improve: [auto build test ERROR on tty/tty-testing] [also build test ERROR on efi/next staging/staging-testing usb/usb-testing linus/master v5.19-rc8 next-20220728] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Markuss-Broks/Add-generic-framebuffer-support-to-EFI-earlycon-driver/20220728-223117 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: ia64-allmodconfig (https://download.01.org/0day-ci/archive/20220729/202207290523.Br8Zr7V3-lkp@xxxxxxxxx/config) compiler: ia64-linux-gcc (GCC) 12.1.0 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 # https://github.com/intel-lab-lkp/linux/commit/b6a59e731326deaa78f7dcbd97520e2eed2bc707 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Markuss-Broks/Add-generic-framebuffer-support-to-EFI-earlycon-driver/20220728-223117 git checkout b6a59e731326deaa78f7dcbd97520e2eed2bc707 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/video/fbdev/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): drivers/video/fbdev/earlycon.c: In function 'simplefb_earlycon_map': >> drivers/video/fbdev/earlycon.c:65:16: error: implicit declaration of function 'early_memremap_prot'; did you mean 'early_memremap'? [-Werror=implicit-function-declaration] 65 | return early_memremap_prot(info.phys_base + start, len, pgprot_val(fb_prot)); | ^~~~~~~~~~~~~~~~~~~ | early_memremap >> drivers/video/fbdev/earlycon.c:65:16: warning: returning 'int' from a function with return type 'void *' makes pointer from integer without a cast [-Wint-conversion] 65 | return early_memremap_prot(info.phys_base + start, len, pgprot_val(fb_prot)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors {standard input}: Assembler messages: {standard input}:210: Error: Register number out of range 0..0 {standard input}:211: Error: Register number out of range 0..0 {standard input}:211: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:211: Warning: Only the first path encountering the conflict is reported {standard input}:210: Warning: This is the location of the conflicting usage {standard input}:212: Error: Register number out of range 0..0 {standard input}:212: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:212: Warning: Only the first path encountering the conflict is reported {standard input}:210: Warning: This is the location of the conflicting usage {standard input}:212: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:212: Warning: Only the first path encountering the conflict is reported {standard input}:211: Warning: This is the location of the conflicting usage {standard input}:214: Error: Register number out of range 0..0 {standard input}:214: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:214: Warning: Only the first path encountering the conflict is reported {standard input}:210: Warning: This is the location of the conflicting usage {standard input}:214: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:214: Warning: Only the first path encountering the conflict is reported {standard input}:211: Warning: This is the location of the conflicting usage {standard input}:214: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:214: Warning: Only the first path encountering the conflict is reported {standard input}:212: Warning: This is the location of the conflicting usage {standard input}:215: Error: Register number out of range 0..0 {standard input}:215: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:215: Warning: Only the first path encountering the conflict is reported {standard input}:210: Warning: This is the location of the conflicting usage {standard input}:215: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:215: Warning: Only the first path encountering the conflict is reported {standard input}:211: Warning: This is the location of the conflicting usage {standard input}:215: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:215: Warning: Only the first path encountering the conflict is reported {standard input}:212: Warning: This is the location of the conflicting usage {standard input}:215: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:215: Warning: Only the first path encountering the conflict is reported {standard input}:214: Warning: This is the location of the conflicting usage {standard input}:216: Error: Register number out of range 0..0 {standard input}:216: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:216: Warning: Only the first path encountering the conflict is reported {standard input}:210: Warning: This is the location of the conflicting usage {standard input}:216: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:216: Warning: Only the first path encountering the conflict is reported {standard input}:211: Warning: This is the location of the conflicting usage {standard input}:216: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:216: Warning: Only the first path encountering the conflict is reported {standard input}:212: Warning: This is the location of the conflicting usage {standard input}:216: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:216: Warning: Only the first path encountering the conflict is reported {standard input}:214: Warning: This is the location of the conflicting usage {standard input}:216: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 35 {standard input}:216: Warning: Only the first path encountering the conflict is reported {standard input}:215: Warning: This is the location of the conflicting usage {standard input}:220: Error: Register number out of range 0..0 {standard input}:376: Error: Register number out of range 0..1 {standard input}:376: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:376: Warning: Only the first path encountering the conflict is reported {standard input}:374: Warning: This is the location of the conflicting usage {standard input}:378: Error: Register number out of range 0..1 {standard input}:378: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:378: Warning: Only the first path encountering the conflict is reported {standard input}:374: Warning: This is the location of the conflicting usage {standard input}:378: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:378: Warning: Only the first path encountering the conflict is reported {standard input}:376: Warning: This is the location of the conflicting usage {standard input}:379: Error: Register number out of range 0..1 {standard input}:379: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:379: Warning: Only the first path encountering the conflict is reported {standard input}:374: Warning: This is the location of the conflicting usage {standard input}:379: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:379: Warning: Only the first path encountering the conflict is reported {standard input}:376: Warning: This is the location of the conflicting usage {standard input}:379: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:379: Warning: Only the first path encountering the conflict is reported {standard input}:378: Warning: This is the location of the conflicting usage {standard input}:380: Error: Register number out of range 0..1 {standard input}:380: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:380: Warning: Only the first path encountering the conflict is reported {standard input}:374: Warning: This is the location of the conflicting usage {standard input}:380: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:380: Warning: Only the first path encountering the conflict is reported {standard input}:376: Warning: This is the location of the conflicting usage {standard input}:380: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:380: Warning: Only the first path encountering the conflict is reported {standard input}:378: Warning: This is the location of the conflicting usage {standard input}:380: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:380: Warning: Only the first path encountering the conflict is reported {standard input}:379: Warning: This is the location of the conflicting usage {standard input}:383: Error: Register number out of range 0..1 {standard input}:384: Error: Register number out of range 0..1 {standard input}:384: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37 {standard input}:384: Warning: Only the first path encountering the conflict is reported {standard input}:383: Warning: This is the location of the conflicting usage vim +65 drivers/video/fbdev/earlycon.c 56 57 static __ref void *simplefb_earlycon_map(unsigned long start, unsigned long len) 58 { 59 pgprot_t fb_prot; 60 61 if (info.virt_base) 62 return info.virt_base + start; 63 64 fb_prot = PAGE_KERNEL; > 65 return early_memremap_prot(info.phys_base + start, len, pgprot_val(fb_prot)); 66 } 67 -- 0-DAY CI Kernel Test Service https://01.org/lkp