tree:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 6b02addb1d1748d21dd1261e46029b264be4e5a0
commit: 348b2956d5e6d9876b567226184de598d00c9bd1 [5574/7920] fbdev: aty: use generic power
management
config: powerpc-randconfig-r011-20200916 (attached as .config)
compiler: clang version 12.0.0 (
https://github.com/llvm/llvm-project
9e3842d60351f986d77dfe0a94f76e4fd895f188)
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 powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
git checkout 348b2956d5e6d9876b567226184de598d00c9bd1
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)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.
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi...
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 348b2956d5e6d9876b567226184de598d00c9bd1
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(a)ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org