From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============1176470971631925117==" MIME-Version: 1.0 From: kernel test robot To: kbuild-all@lists.01.org Subject: arch/arm/mach-ixp4xx/common-pci.c:143:5: warning: no previous prototype for 'ixp4xx_pci_write' Date: Thu, 17 Feb 2022 20:23:52 +0800 Message-ID: <202202172055.BVOB1ugQ-lkp@intel.com> List-Id: --===============1176470971631925117== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi Linus, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git = master head: f71077a4d84bbe8c7b91b7db7c4ef815755ac5e3 commit: d5d9f7ac58ea1041375a028f143ca5784693ea86 ARM/ixp4xx: Make NEED_MACH= _IO_H optional date: 8 months ago config: arm-randconfig-r012-20220217 (https://download.01.org/0day-ci/archi= ve/20220217/202202172055.BVOB1ugQ-lkp(a)intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce (this is a W=3D1 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/torvalds/linux.gi= t/commit/?id=3Dd5d9f7ac58ea1041375a028f143ca5784693ea86 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/gi= t/torvalds/linux.git git fetch --no-tags linus master git checkout d5d9f7ac58ea1041375a028f143ca5784693ea86 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dgcc-11.2.0 make.cross= O=3Dbuild_dir ARCH=3Darm SHELL=3D/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): arch/arm/mach-ixp4xx/common-pci.c:94:5: warning: no previous prototype f= or 'ixp4xx_pci_read_errata' [-Wmissing-prototypes] 94 | int ixp4xx_pci_read_errata(u32 addr, u32 cmd, u32* data) | ^~~~~~~~~~~~~~~~~~~~~~ arch/arm/mach-ixp4xx/common-pci.c:121:5: warning: no previous prototype = for 'ixp4xx_pci_read_no_errata' [-Wmissing-prototypes] 121 | int ixp4xx_pci_read_no_errata(u32 addr, u32 cmd, u32* data) | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> arch/arm/mach-ixp4xx/common-pci.c:143:5: warning: no previous prototype = for 'ixp4xx_pci_write' [-Wmissing-prototypes] 143 | int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data) | ^~~~~~~~~~~~~~~~ vim +/ixp4xx_pci_write +143 arch/arm/mach-ixp4xx/common-pci.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 142 = ^1da177e4c3f41 Linus Torvalds 2005-04-16 @143 int ixp4xx_pci_write(u32 ad= dr, u32 cmd, u32 data) ^1da177e4c3f41 Linus Torvalds 2005-04-16 144 { = ^1da177e4c3f41 Linus Torvalds 2005-04-16 145 unsigned long flags; ^1da177e4c3f41 Linus Torvalds 2005-04-16 146 int retval =3D 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 147 = bd31b85960a7fc Thomas Gleixner 2009-07-03 148 raw_spin_lock_irqsave(&ixp= 4xx_pci_lock, flags); ^1da177e4c3f41 Linus Torvalds 2005-04-16 149 = ^1da177e4c3f41 Linus Torvalds 2005-04-16 150 *PCI_NP_AD =3D addr; ^1da177e4c3f41 Linus Torvalds 2005-04-16 151 = ^1da177e4c3f41 Linus Torvalds 2005-04-16 152 /* set up the write */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 153 *PCI_NP_CBE =3D cmd; ^1da177e4c3f41 Linus Torvalds 2005-04-16 154 = ^1da177e4c3f41 Linus Torvalds 2005-04-16 155 /* execute the write by wr= iting to NP_WDATA */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 156 *PCI_NP_WDATA =3D data; ^1da177e4c3f41 Linus Torvalds 2005-04-16 157 = ^1da177e4c3f41 Linus Torvalds 2005-04-16 158 if(check_master_abort()) ^1da177e4c3f41 Linus Torvalds 2005-04-16 159 retval =3D 1; ^1da177e4c3f41 Linus Torvalds 2005-04-16 160 = bd31b85960a7fc Thomas Gleixner 2009-07-03 161 raw_spin_unlock_irqrestore= (&ixp4xx_pci_lock, flags); ^1da177e4c3f41 Linus Torvalds 2005-04-16 162 return retval; ^1da177e4c3f41 Linus Torvalds 2005-04-16 163 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 164 = :::::: The code at line 143 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org --===============1176470971631925117==--