Messages in this thread | | | Date | Tue, 11 Jan 2011 15:26:07 -0700 | From | Grant Likely <> | Subject | Re: [PATCH 06/15] x86/dtb: add support hpet |
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On Fri, Dec 17, 2010 at 04:33:44PM +0100, Sebastian Andrzej Siewior wrote: > Set hpet_address based on information provied form DTB > > Cc: devicetree-discuss@lists.ozlabs.org > Cc: Dirk Brandewie <dirk.brandewie@gmail.com> > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
> --- > arch/x86/kernel/prom.c | 19 +++++++++++++++++++ > 1 files changed, 19 insertions(+), 0 deletions(-) > > diff --git a/arch/x86/kernel/prom.c b/arch/x86/kernel/prom.c > index 9cbb52b..40ad8c0 100644 > --- a/arch/x86/kernel/prom.c > +++ b/arch/x86/kernel/prom.c > @@ -10,6 +10,7 @@ > #include <linux/of_platform.h> > #include <linux/slab.h> > > +#include <asm/hpet.h> > #include <asm/irq_controller.h> > #include <asm/io_apic.h> > > @@ -101,6 +102,23 @@ void __init add_dtb(u64 data) > initial_dtb = data + offsetof(struct setup_data, data); > } > > +static void __init dtb_setup_hpet(void) > +{ > + struct device_node *dn; > + struct resource r; > + int ret; > + > + dn = of_find_compatible_node(NULL, NULL, "intel,hpet"); > + if (!dn) > + return; > + ret = of_address_to_resource(dn, 0, &r); > + if (ret) { > + WARN_ON(1); > + return; > + } > + hpet_address = r.start; > +} > + > static void __init dtb_lapic_setup(void) > { > #ifdef CONFIG_X86_LOCAL_APIC > @@ -212,5 +230,6 @@ void __init x86_dtb_get_config(unsigned int unused) > of_scan_flat_dt(early_init_dt_scan_root, NULL); > > unflatten_device_tree(); > + dtb_setup_hpet(); > dtb_apic_setup(); > } > -- > 1.7.3.2 > > _______________________________________________ > devicetree-discuss mailing list > devicetree-discuss@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/devicetree-discuss
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