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

[Alexey Brodkin]

Hi Marek,

On Fri, 2016-04-08 at 19:05 +0200, Marek Vasut wrote:
> 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 at synopsys.com>
> > Cc: Marek Vasut <marex at denx.de>
> > Cc: Daniel Schwierzeck <daniel.schwierzeck at gmail.com>
> > Cc: Hans de Goede <hdegoede at 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 */
> > 
> Sorry for breaking your arch.

That happens. No problem.
Real problem though is we still don't have autobuilder that
catches these kinds of trivial flaws.

I don't build for all arches as well before submitting patches so
before autobuilder is there we'll see more issues of that kind :)

-Alexey