Around Sat 19 Sep 2015 22:42:57 +0530 or thereabout, Sudip Mukherjee wrote:
> While building avr32 with allmodconfig, the build used to fail with the
> message:
> error: implicit declaration of function 'pci_iomap'
> error: implicit declaration of function 'pci_iounmap'
What has changed recently that start pulling in these? AVR32 does not have
PCI at all, and will never have it either. Is this exposing a bug somewhere
else?
> Create dummy pci_io{map,unmap} functions to fix the build.
>
> Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
> ---
>
> Tested with defconfig, allmodconfig, allnoconfig and merisc_defconfig.
> Build is at:
> https://travis-ci.org/sudipm-mukherjee/parport/builds/81168845
>
> Partial idea taken from:
> 78857614104a ("MIPS: Expose missing pci_io{map,unmap} declarations")
> which solved a similar problem with mips.
>
> arch/avr32/include/asm/io.h | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/avr32/include/asm/io.h b/arch/avr32/include/asm/io.h
> index f855646..1d8c4e4 100644
> --- a/arch/avr32/include/asm/io.h
> +++ b/arch/avr32/include/asm/io.h
> @@ -276,6 +276,19 @@ extern void __iomem *__ioremap(unsigned long offset, size_t size,
> unsigned long flags);
> extern void __iounmap(void __iomem *addr);
>
> +#ifndef CONFIG_PCI
> +struct pci_dev;
> +static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
> +{
> +}
> +
> +static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar,
> + unsigned long maxlen)
> +{
> + return NULL;
> +}
> +#endif
> +
> /*
> * ioremap - map bus memory into CPU space
> * @offset bus address of the memory
--
mvh
Hans-Christian Egtvedt
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