From: kernel test robot <lkp@intel.com>
To: Thomas Zimmermann <tzimmermann@suse.de>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
Lee Jones <lee@kernel.org>,
"Daniel Thompson (RISCstar)" <danielt@kernel.org>,
Simona Vetter <simona.vetter@ffwll.ch>
Subject: arch/sh/include/cpu-sh3/cpu/dac.h:21:13: error: implicit declaration of function '__raw_readb'
Date: Wed, 24 Dec 2025 07:47:14 +0800 [thread overview]
Message-ID: <202512240750.hdBj5TCs-lkp@intel.com> (raw)
Hi Thomas,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b927546677c876e26eba308550207c2ddf812a43
commit: 243ce64b2b371cdf2cbc39c9422cb3047cab6de7 backlight: Do not include <linux/fb.h> in header file
date: 9 weeks ago
config: sh-randconfig-r073-20251224 (https://download.01.org/0day-ci/archive/20251224/202512240750.hdBj5TCs-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251224/202512240750.hdBj5TCs-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512240750.hdBj5TCs-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/video/backlight/hp680_bl.c:20:
arch/sh/include/cpu-sh3/cpu/dac.h: In function 'sh_dac_enable':
>> arch/sh/include/cpu-sh3/cpu/dac.h:21:13: error: implicit declaration of function '__raw_readb' [-Wimplicit-function-declaration]
21 | v = __raw_readb(DACR);
| ^~~~~~~~~~~
>> arch/sh/include/cpu-sh3/cpu/dac.h:24:9: error: implicit declaration of function '__raw_writeb'; did you mean '__raw_write_lock'? [-Wimplicit-function-declaration]
24 | __raw_writeb(v,DACR);
| ^~~~~~~~~~~~
| __raw_write_lock
vim +/__raw_readb +21 arch/sh/include/cpu-sh3/cpu/dac.h
^1da177e4c3f41 include/asm-sh/cpu-sh3/dac.h Linus Torvalds 2005-04-16 16
^1da177e4c3f41 include/asm-sh/cpu-sh3/dac.h Linus Torvalds 2005-04-16 17
^1da177e4c3f41 include/asm-sh/cpu-sh3/dac.h Linus Torvalds 2005-04-16 18 static __inline__ void sh_dac_enable(int channel)
^1da177e4c3f41 include/asm-sh/cpu-sh3/dac.h Linus Torvalds 2005-04-16 19 {
^1da177e4c3f41 include/asm-sh/cpu-sh3/dac.h Linus Torvalds 2005-04-16 20 unsigned char v;
9d56dd3b083a3b arch/sh/include/cpu-sh3/cpu/dac.h Paul Mundt 2010-01-26 @21 v = __raw_readb(DACR);
^1da177e4c3f41 include/asm-sh/cpu-sh3/dac.h Linus Torvalds 2005-04-16 22 if(channel) v |= DACR_DAOE1;
^1da177e4c3f41 include/asm-sh/cpu-sh3/dac.h Linus Torvalds 2005-04-16 23 else v |= DACR_DAOE0;
9d56dd3b083a3b arch/sh/include/cpu-sh3/cpu/dac.h Paul Mundt 2010-01-26 @24 __raw_writeb(v,DACR);
^1da177e4c3f41 include/asm-sh/cpu-sh3/dac.h Linus Torvalds 2005-04-16 25 }
^1da177e4c3f41 include/asm-sh/cpu-sh3/dac.h Linus Torvalds 2005-04-16 26
:::::: The code at line 21 was first introduced by commit
:::::: 9d56dd3b083a3bec56e9da35ce07baca81030b03 sh: Mass ctrl_in/outX to __raw_read/writeX conversion.
:::::: TO: Paul Mundt <lethal@linux-sh.org>
:::::: CC: Paul Mundt <lethal@linux-sh.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2025-12-23 23:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-23 23:47 kernel test robot [this message]
2026-04-03 8:43 kernel test robot
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