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    SubjectRe: [PATCH 06/15] x86/dtb: add support hpet
    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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