[PATCH 03/11] arm: omap: musb: ioremap only what's ours

[Tony Lindgren]

* Aguirre, Sergio <saaguirre at ti.com> [100219 15:34]:
> Hi,
> 
> > -----Original Message-----
> > From: linux-omap-owner at vger.kernel.org [mailto:linux-omap-
> > owner at vger.kernel.org] On Behalf Of Tony Lindgren
> > Sent: Friday, February 19, 2010 5:30 PM
> > To: linux-arm-kernel at lists.infradead.org
> > Cc: Felipe Balbi; linux-omap at vger.kernel.org; linux-usb at vger.kernel.org
> > Subject: [PATCH 03/11] arm: omap: musb: ioremap only what's ours
> > 
> > From: Felipe Balbi <felipe.balbi at nokia.com>
> > 
> > omap3430 TRM says the OTG address space is 4k, not 8k.
> > 
> > Cc: linux-usb at vger.kernel.org
> > Signed-off-by: Felipe Balbi <felipe.balbi at nokia.com>
> > Signed-off-by: Tony Lindgren <tony at atomide.com>
> > ---
> >  arch/arm/mach-omap2/usb-musb.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> > 
> > diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-
> > musb.c
> > index a80441d..ba71f76 100644
> > --- a/arch/arm/mach-omap2/usb-musb.c
> > +++ b/arch/arm/mach-omap2/usb-musb.c
> > @@ -152,7 +152,7 @@ void __init usb_musb_init(void)
> >  		musb_resources[0].start = OMAP243X_HS_BASE;
> >  	else
> >  		musb_resources[0].start = OMAP34XX_HSUSB_OTG_BASE;
> > -	musb_resources[0].end = musb_resources[0].start + SZ_8K - 1;
> > +	musb_resources[0].end = musb_resources[0].start + SZ_4K - 1;
> 
> I'm just curious...
> 
> Is this valid also if cpu_is_243x() ?

Yes, the other 4K is for the L4 interconnect.

Tony