linux-kernel - Re: [PATCH] PCI: ixp4xx: Use PCI_CONF1

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Date:   Thu, 29 Sep 2022 10:12:23 +0800
From:   kernel test robot <lkp@...el.com>
To:     Pali Rohár <pali@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <helgaas@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: ixp4xx: Use PCI_CONF1_ADDRESS() macro

Hi Pali,

I love your patch! Yet something to improve:

[auto build test ERROR on helgaas-pci/next]
[also build test ERROR on linus/master v6.0-rc7 next-20220928]
[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/Pali-Roh-r/PCI-ixp4xx-Use-PCI_CONF1_ADDRESS-macro/20220928-202711
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: arm-allyesconfig
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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://github.com/intel-lab-lkp/linux/commit/956a10e13aa1668f4daae22166ba8da017da9eba
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Pali-Roh-r/PCI-ixp4xx-Use-PCI_CONF1_ADDRESS-macro/20220928-202711
        git checkout 956a10e13aa1668f4daae22166ba8da017da9eba
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   drivers/pci/controller/pci-ixp4xx.c: In function 'ixp4xx_config_addr':
>> drivers/pci/controller/pci-ixp4xx.c:191:25: error: implicit declaration of function 'PCI_CONF1_ADDRESS'; did you mean 'PCI_ROM_ADDRESS'? [-Werror=implicit-function-declaration]
     191 |                 return (PCI_CONF1_ADDRESS(0, 0, PCI_FUNC(devfn), where) &
         |                         ^~~~~~~~~~~~~~~~~
         |                         PCI_ROM_ADDRESS
>> drivers/pci/controller/pci-ixp4xx.c:192:26: error: 'PCI_CONF1_ENABLE' undeclared (first use in this function); did you mean 'PCI_EA_ENABLE'?
     192 |                         ~PCI_CONF1_ENABLE) | BIT(32-PCI_SLOT(devfn));
         |                          ^~~~~~~~~~~~~~~~
         |                          PCI_EA_ENABLE
   drivers/pci/controller/pci-ixp4xx.c:192:26: note: each undeclared identifier is reported only once for each function it appears in
   drivers/pci/controller/pci-ixp4xx.c:199:1: error: control reaches end of non-void function [-Werror=return-type]
     199 | }
         | ^
   cc1: some warnings being treated as errors


vim +191 drivers/pci/controller/pci-ixp4xx.c

   185	
   186	static u32 ixp4xx_config_addr(u8 bus_num, u16 devfn, int where)
   187	{
   188		/* Root bus is always 0 in this hardware */
   189		if (bus_num == 0) {
   190			/* type 0 */
 > 191			return (PCI_CONF1_ADDRESS(0, 0, PCI_FUNC(devfn), where) &
 > 192				~PCI_CONF1_ENABLE) | BIT(32-PCI_SLOT(devfn));
   193		} else {
   194			/* type 1 */
   195			return (PCI_CONF1_ADDRESS(bus_num, PCI_SLOT(devfn),
   196						  PCI_FUNC(devfn), where) &
   197				~PCI_CONF1_ENABLE) | 1;
   198		}
   199	}
   200	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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