linux-kernel - kernel/irq/irqdomain.c:1672:13: warning: no previous declaration for 'irq_domain_debugfs

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Date:   Thu, 3 Mar 2022 06:20:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: kernel/irq/irqdomain.c:1672:13: warning: no previous declaration for
 'irq_domain_debugfs_init'

Hi Thomas,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   fb184c4af9b9f4563e7a126219389986a71d5b5b
commit: 087cdfb662ae50e3826e7cd2e54b6519d07b60f0 genirq/debugfs: Add proper debugfs interface
date:   4 years, 8 months ago
config: i386-randconfig-r024-20211115 (https://download.01.org/0day-ci/archive/20220303/202203030600.ipn15MBE-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=087cdfb662ae50e3826e7cd2e54b6519d07b60f0
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 087cdfb662ae50e3826e7cd2e54b6519d07b60f0
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/kernel/cpu/mcheck/ drivers/staging/ccree/ kernel/irq/ net/ipv6/ net/sunrpc/

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

All warnings (new ones prefixed by >>):

>> kernel/irq/irqdomain.c:1672:13: warning: no previous declaration for 'irq_domain_debugfs_init' [-Wmissing-declarations]
    void __init irq_domain_debugfs_init(struct dentry *root)
                ^~~~~~~~~~~~~~~~~~~~~~~


vim +/irq_domain_debugfs_init +1672 kernel/irq/irqdomain.c

  1671	
> 1672	void __init irq_domain_debugfs_init(struct dentry *root)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org