On 12/15/2011 08:02 AM, Pawel Moll wrote: > Try to map TWD registers basing on a "arm,smp-twd" Device Tree > node (compatible value as used in Highbank's DT). This overrides > existing twd_base value. > > Signed-off-by: Pawel Moll <[email protected]> > --- > arch/arm/plat-versatile/localtimer.c | 12 ++++++++++++ > 1 files changed, 12 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/plat-versatile/localtimer.c > b/arch/arm/plat-versatile/localtimer.c > index 0fb3961..8f0dc10 100644 > --- a/arch/arm/plat-versatile/localtimer.c > +++ b/arch/arm/plat-versatile/localtimer.c > @@ -11,6 +11,8 @@ > #include <linux/init.h> > #include <linux/smp.h> > #include <linux/clockchips.h> > +#include <linux/of.h> > +#include <linux/of_address.h> > > #include <asm/smp_twd.h> > #include <asm/localtimer.h> > @@ -21,6 +23,16 @@ > */ > int __cpuinit local_timer_setup(struct clock_event_device *evt) > { > +#if defined(CONFIG_OF) > + struct device_node *node = of_find_compatible_node(NULL, > + NULL, "arm,smp-twd"); > + > + if (node) > + twd_base = of_iomap(node, 0); > +#endif
I think your previous version was more correct. This is going to find the node and do ioremap N times where N is the number of cores. It does work though because that is what I did initially too. Rob _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
