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Date:   Tue, 5 Dec 2023 18:44:01 +0800
From:   kernel test robot <lkp@intel.com>
To:     Philipp Stanner <pstanner@redhat.com>,
        Bjorn Helgaas <helgaas@kernel.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Hanjun Guo <guohanjun@huawei.com>, NeilBrown <neilb@suse.de>,
        Kent Overstreet <kmo@daterainc.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Niklas Schnelle <schnelle@linux.ibm.com>,
        Uladzislau Koshchanka <koshchanka@gmail.com>,
        John Sanpe <sanpeqf@gmail.com>,
        Dave Jiang <dave.jiang@intel.com>,
        "Masami Hiramatsu (Google)" <mhiramat@kernel.org>,
        Kees Cook <keescook@chromium.org>,
        David Gow <davidgow@google.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Shuah Khan <skhan@linuxfoundation.org>,
        "wuqiang.matt" <wuqiang.matt@bytedance.com>,
        Yury Norov <yury.norov@gmail.com>,
        Jason Baron <jbaron@akamai.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Ben Dooks <ben.dooks@codethink.co.uk>, dakr@redhat.com
Cc:     oe-kbuild-all@lists.linux.dev,
        Linux Memory Management List <linux-mm@kvack.org>,
        linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
        linux-arch@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH v3 5/5] lib, pci: unify generic pci_iounmap()
Message-ID: <202312051813.09WbvusW-lkp@intel.com>
References: <20231204123834.29247-6-pstanner@redhat.com>
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In-Reply-To: <20231204123834.29247-6-pstanner@redhat.com>
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Hi Philipp,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus arnd-asm-generic/master kees/for-next/pstore kees/for-next/kspp linus/master v6.7-rc4 next-20231205]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Philipp-Stanner/lib-pci_iomap-c-fix-cleanup-bugs-in-pci_iounmap/20231204-204128
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20231204123834.29247-6-pstanner%40redhat.com
patch subject: [PATCH v3 5/5] lib, pci: unify generic pci_iounmap()
config: openrisc-virt_defconfig (https://download.01.org/0day-ci/archive/20231205/202312051813.09WbvusW-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231205/202312051813.09WbvusW-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/202312051813.09WbvusW-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/pci/iomap.c: In function 'pci_iounmap':
>> drivers/pci/iomap.c:155:17: error: implicit declaration of function 'ioport_unmap'; did you mean 'devm_ioport_unmap'? [-Werror=implicit-function-declaration]
     155 |                 ioport_unmap(addr);
         |                 ^~~~~~~~~~~~
         |                 devm_ioport_unmap
   cc1: some warnings being treated as errors


vim +155 drivers/pci/iomap.c

   144	
   145	/**
   146	 * pci_iounmap - Unmapp a mapping
   147	 * @dev: PCI device the mapping belongs to
   148	 * @addr: start address of the mapping
   149	 *
   150	 * Unmapp a PIO or MMIO mapping.
   151	 */
   152	void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
   153	{
   154		if (iomem_is_ioport(addr)) {
 > 155			ioport_unmap(addr);
   156			return;
   157		}
   158	
   159		iounmap(addr);
   160	}
   161	EXPORT_SYMBOL(pci_iounmap);
   162	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki