Re: [PATCH v3 5/5] lib, pci: unify generic pci_iounmap()

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Alright, so it seems that not all architectures provide ioport_unmap().
So I'll provide yet another preprocessor guard in v4. Wohooo, we love
them...

P.

On Tue, 2023-12-05 at 18:44 +0800, kernel test robot wrote:
> 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/20231205/202312051813.09Wbvu
> sW-lkp@xxxxxxxxx/config)
> compiler: or1k-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build):
> (https://download.01.org/0day-ci/archive/20231205/202312051813.09Wbvu
> sW-lkp@xxxxxxxxx/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@xxxxxxxxx>
> > Closes:
> > https://lore.kernel.org/oe-kbuild-all/202312051813.09WbvusW-lkp@xxxxxxxxx/
> 
> 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  
> 






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