On 3 February 2014 18:43, Liviu Dudau <Liviu.Dudau@xxxxxxx> wrote:
> diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
> index 4cc813e..ce5bad2 100644
> --- a/arch/arm64/include/asm/io.h
> +++ b/arch/arm64/include/asm/io.h
> @@ -120,9 +120,13 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
> /*
> * I/O port access primitives.
> */
> +#define arch_has_dev_port() (0)
> #define IO_SPACE_LIMIT 0xffff
> #define PCI_IOBASE ((void __iomem *)(MODULES_VADDR - SZ_2M))
>
> +#define ioport_map(port, nr) (PCI_IOBASE + ((port) & IO_SPACE_LIMIT))
> +#define ioport_unmap(addr)
I'm not sure that this will work. The in[bwl], out[bwl] macros in
arch/arm64/include/asm/io.h already add the PCI_IOBASE offset.
Instead of these two #defines, why not just enforce that
GENERIC_PCI_IOMAP is enabled? Or at least wrap these defines with 'if
(!config_enabled(CONFIG_GENERIC_PCI_IOMAP))' or similar.
> +
> static inline u8 inb(unsigned long addr)
> {
> return readb(addr + PCI_IOBASE);
Andrew Murray
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