Messages in this thread | | | Date | Tue, 23 Feb 2021 15:08:10 +0800 | From | kernel test robot <> | Subject | drivers/video/fbdev/aty/atyfb_base.c:2002:7: error: implicit declaration of function 'aty_ld_lcd' |
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Hi Vaibhav,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3b9cdafb5358eb9f3790de2f728f765fef100731 commit: 4e139a9abb007370e8d0266ea31192e606c800cf fbdev: aty: remove CONFIG_PM container date: 5 months ago config: powerpc64-randconfig-r036-20210223 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4e139a9abb007370e8d0266ea31192e606c800cf git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4e139a9abb007370e8d0266ea31192e606c800cf # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> drivers/video/fbdev/aty/atyfb_base.c:2002:7: error: implicit declaration of function 'aty_ld_lcd' [-Werror,-Wimplicit-function-declaration] pm = aty_ld_lcd(POWER_MANAGEMENT, par); ^ >> drivers/video/fbdev/aty/atyfb_base.c:2004:2: error: implicit declaration of function 'aty_st_lcd' [-Werror,-Wimplicit-function-declaration] aty_st_lcd(POWER_MANAGEMENT, pm, par); ^ drivers/video/fbdev/aty/atyfb_base.c:2004:2: note: did you mean 'aty_ld_lcd'? drivers/video/fbdev/aty/atyfb_base.c:2002:7: note: 'aty_ld_lcd' declared here pm = aty_ld_lcd(POWER_MANAGEMENT, par); ^ 2 errors generated.
vim +/aty_ld_lcd +2002 drivers/video/fbdev/aty/atyfb_base.c
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 1993 efc08a75d3a2d4 drivers/video/aty/atyfb_base.c Ville Syrjala 2006-12-08 1994 #ifdef CONFIG_PPC_PMAC ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 1995 /* Power management routines. Those are used for PowerBook sleep. ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 1996 */ ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 1997 static int aty_power_mgmt(int sleep, struct atyfb_par *par) ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 1998 { ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 1999 u32 pm; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2000 int timeout; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2001 ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 @2002 pm = aty_ld_lcd(POWER_MANAGEMENT, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2003 pm = (pm & ~PWR_MGT_MODE_MASK) | PWR_MGT_MODE_REG; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 @2004 aty_st_lcd(POWER_MANAGEMENT, pm, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2005 pm = aty_ld_lcd(POWER_MANAGEMENT, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2006 ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2007 timeout = 2000; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2008 if (sleep) { ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2009 /* Sleep */ ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2010 pm &= ~PWR_MGT_ON; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2011 aty_st_lcd(POWER_MANAGEMENT, pm, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2012 pm = aty_ld_lcd(POWER_MANAGEMENT, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2013 udelay(10); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2014 pm &= ~(PWR_BLON | AUTO_PWR_UP); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2015 pm |= SUSPEND_NOW; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2016 aty_st_lcd(POWER_MANAGEMENT, pm, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2017 pm = aty_ld_lcd(POWER_MANAGEMENT, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2018 udelay(10); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2019 pm |= PWR_MGT_ON; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2020 aty_st_lcd(POWER_MANAGEMENT, pm, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2021 do { ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2022 pm = aty_ld_lcd(POWER_MANAGEMENT, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2023 mdelay(1); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2024 if ((--timeout) == 0) ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2025 break; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2026 } while ((pm & PWR_MGT_STATUS_MASK) != PWR_MGT_STATUS_SUSPEND); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2027 } else { ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2028 /* Wakeup */ ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2029 pm &= ~PWR_MGT_ON; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2030 aty_st_lcd(POWER_MANAGEMENT, pm, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2031 pm = aty_ld_lcd(POWER_MANAGEMENT, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2032 udelay(10); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2033 pm &= ~SUSPEND_NOW; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2034 pm |= (PWR_BLON | AUTO_PWR_UP); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2035 aty_st_lcd(POWER_MANAGEMENT, pm, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2036 pm = aty_ld_lcd(POWER_MANAGEMENT, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2037 udelay(10); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2038 pm |= PWR_MGT_ON; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2039 aty_st_lcd(POWER_MANAGEMENT, pm, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2040 do { ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2041 pm = aty_ld_lcd(POWER_MANAGEMENT, par); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2042 mdelay(1); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2043 if ((--timeout) == 0) ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2044 break; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2045 } while ((pm & PWR_MGT_STATUS_MASK) != 0); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2046 } ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2047 mdelay(500); ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2048 ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2049 return timeout ? 0 : -EIO; ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2050 } b7468168631e03 drivers/video/aty/atyfb_base.c Benjamin Herrenschmidt 2009-02-05 2051 #endif /* CONFIG_PPC_PMAC */ ^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 2052
:::::: The code at line 2002 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org> :::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
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