[U-Boot] [PATCH] arc: Add virt_to_phys() stub

[Marek Vasut <marex@denx.de>]

On 04/08/2016 07:00 PM, Alexey Brodkin wrote:
> Commit cf7c93cdd755 "usb: ehci: Implement V2P mapping"
> introduced usage of virt_to_phys() in ehci-hcd.
> 
> Since there was no implementation of virt_to_phys() for ARC
> compilation of the ehci-generic driver failed.
> 
> This change adds virt_to_phys() stub for ARC so now
> USB driver for AXS101 board could be built again.
> 
> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
> Cc: Marek Vasut <marex@denx.de>
> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
> Cc: Hans de Goede <hdegoede@redhat.com>
> ---
>  arch/arc/include/asm/io.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h
> index 281682c..b6f7724 100644
> --- a/arch/arc/include/asm/io.h
> +++ b/arch/arc/include/asm/io.h
> @@ -239,4 +239,9 @@ static inline int __raw_writesl(unsigned int addr, void *data, int longlen)
>  #define setbits_8(addr, set) setbits(8, addr, set)
>  #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
>  
> +static inline phys_addr_t virt_to_phys(void *vaddr)
> +{
> +	return (phys_addr_t)((unsigned long)vaddr);
> +}
> +
>  #endif	/* __ASM_ARC_IO_H */

Acked-by: Marek Vasut <marex@denx.de>

-- 
Best regards,
Marek Vasut