linux-kernel - [mingo-tip:sched/headers 2200/2340] arch/mips/include/asm/mach-lantiq/lantiq.h:15:33: error: implicit declaration of function '__raw

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Date:   Thu, 24 Feb 2022 16:10:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 2200/2340]
 arch/mips/include/asm/mach-lantiq/lantiq.h:15:33: error: implicit
 declaration of function '__raw_writel'

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head:   97c5eeb4de3ad324ed2a4656b46465299cfd010a
commit: 3828a1a70a61b6a815d092a41ce8bc2af2eb3d92 [2200/2340] headers/deps: irq: Optimize <linux/interrupt.h> dependencies
config: mips-xway_defconfig (https://download.01.org/0day-ci/archive/20220224/202202241608.GjG8zfIj-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=3828a1a70a61b6a815d092a41ce8bc2af2eb3d92
        git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
        git fetch --no-tags mingo-tip sched/headers
        git checkout 3828a1a70a61b6a815d092a41ce8bc2af2eb3d92
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h:12,
                    from arch/mips/lantiq/xway/gptu.c:16:
   arch/mips/lantiq/xway/gptu.c: In function 'timer_irq_handler':
>> arch/mips/include/asm/mach-lantiq/lantiq.h:15:33: error: implicit declaration of function '__raw_writel' [-Werror=implicit-function-declaration]
      15 | #define ltq_w32(val, reg)       __raw_writel(val, reg)
         |                                 ^~~~~~~~~~~~
   arch/mips/lantiq/xway/gptu.c:60:25: note: in expansion of macro 'ltq_w32'
      60 | #define gptu_w32(x, y)  ltq_w32((x), gptu_membase + (y))
         |                         ^~~~~~~
   arch/mips/lantiq/xway/gptu.c:78:9: note: in expansion of macro 'gptu_w32'
      78 |         gptu_w32(1 << timer, GPTU_IRNCR);
         |         ^~~~~~~~
   arch/mips/lantiq/xway/gptu.c: In function 'gptu_enable':
   arch/mips/include/asm/mach-lantiq/lantiq.h:14:33: error: implicit declaration of function '__raw_readl'; did you mean '__raw_emt'? [-Werror=implicit-function-declaration]
      14 | #define ltq_r32(reg)            __raw_readl(reg)
         |                                 ^~~~~~~~~~~
   arch/mips/include/asm/mach-lantiq/lantiq.h:15:46: note: in definition of macro 'ltq_w32'
      15 | #define ltq_w32(val, reg)       __raw_writel(val, reg)
         |                                              ^~~
   arch/mips/lantiq/xway/gptu.c:108:9: note: in expansion of macro 'gptu_w32'
     108 |         gptu_w32(gptu_r32(GPTU_IRNEN) | BIT(clk->bits), GPTU_IRNEN);
         |         ^~~~~~~~
   arch/mips/lantiq/xway/gptu.c:61:25: note: in expansion of macro 'ltq_r32'
      61 | #define gptu_r32(x)     ltq_r32(gptu_membase + (x))
         |                         ^~~~~~~
   arch/mips/lantiq/xway/gptu.c:108:18: note: in expansion of macro 'gptu_r32'
     108 |         gptu_w32(gptu_r32(GPTU_IRNEN) | BIT(clk->bits), GPTU_IRNEN);
         |                  ^~~~~~~~
   arch/mips/lantiq/xway/gptu.c: At top level:
   arch/mips/lantiq/xway/gptu.c:199:12: warning: no previous prototype for 'gptu_init' [-Wmissing-prototypes]
     199 | int __init gptu_init(void)
         |            ^~~~~~~~~
   cc1: some warnings being treated as errors


vim +/__raw_writel +15 arch/mips/include/asm/mach-lantiq/lantiq.h

171bb2f19ed6f3 John Crispin 2011-03-30  12  
171bb2f19ed6f3 John Crispin 2011-03-30  13  /* generic reg access functions */
171bb2f19ed6f3 John Crispin 2011-03-30  14  #define ltq_r32(reg)		__raw_readl(reg)
171bb2f19ed6f3 John Crispin 2011-03-30 @15  #define ltq_w32(val, reg)	__raw_writel(val, reg)
171bb2f19ed6f3 John Crispin 2011-03-30  16  #define ltq_w32_mask(clear, set, reg)	\
171bb2f19ed6f3 John Crispin 2011-03-30  17  	ltq_w32((ltq_r32(reg) & ~(clear)) | (set), reg)
171bb2f19ed6f3 John Crispin 2011-03-30  18  #define ltq_r8(reg)		__raw_readb(reg)
171bb2f19ed6f3 John Crispin 2011-03-30  19  #define ltq_w8(val, reg)	__raw_writeb(val, reg)
171bb2f19ed6f3 John Crispin 2011-03-30  20  

:::::: The code at line 15 was first introduced by commit
:::::: 171bb2f19ed6f3627f4f783f658f2f475b2fbd50 MIPS: Lantiq: Add initial support for Lantiq SoCs

:::::: TO: John Crispin <blogic@...nwrt.org>
:::::: CC: Ralf Baechle <ralf@...ux-mips.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
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