Re: [PATCH] ARM: bcm: fix __iomem annotation on kona_smc

From: Arnd Bergmann
Date: Tue Dec 09 2014 - 03:52:31 EST


On Monday 08 December 2014 14:22:16 Florian Fainelli wrote:
> > diff --git a/arch/arm/mach-bcm/bcm_kona_smc.c b/arch/arm/mach-bcm/bcm_kona_smc.c
> > index a55a7ec..d506d17 100644
> > --- a/arch/arm/mach-bcm/bcm_kona_smc.c
> > +++ b/arch/arm/mach-bcm/bcm_kona_smc.c
> > @@ -142,7 +142,7 @@ static int bcm_kona_do_smc(u32 service_id, u32 buffer_phys)
> > static void __bcm_kona_smc(void *info)
> > {
> > struct bcm_kona_smc_data *data = info;
> > - u32 *args = bcm_smc_buffer;
> > + u32 __iomem *args = bcm_smc_buffer;
>
> Your fix looks good to me, although the original code sounds a little
> dubious, especially in LPAE environment.

Right, I think it could just use of_iomap() and drop the size
check. If you want to keep the check, using of_address_to_resource()
will do the right thing.

Arnd
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