[PATCH v3 04/62] arm/acpi: Emulate io ports for arm
arnd at arndb.de
Tue Nov 17 01:50:44 PST 2015
On Tuesday 17 November 2015 17:40:03 shannon.zhao at linaro.org wrote:
> + * Emulate x86 io ports for arm.
> + */
> +#define __armio(addr) ( (void __iomem *)addr )
> +#define inb(c) ( readb( __armio(c) ) )
> +#define inw(c) ( readw( __armio(c) ) )
> +#define inl(c) ( readl( __armio(c) ) )
> +#define outb(v, c) ( writeb(v, __armio(c) ) )
> +#define outw(v, c) ( writew(v, __armio(c) ) )
> +#define outl(v, c) ( writel(v, __armio(c) ) )
This is almost certainly wrong. There might be I/O port accesses, but they
won't be in the same place as normal pointers.
More information about the linux-arm-kernel