Hi Kever,
again authorship please :-) .
Also my original patch did include a change to document the new rockchip,pmu
property in Documentation/devicetree/bindings/arm/cpus.txt which should of
course be again included here.
Heiko
Am Freitag, 10. Oktober 2014, 14:26:07 schrieb Kever Yang:
> Makes it possible to define a rockchip,pmu phandle in the cpus node directly
> referencing the pmu syscon instead of searching for specific compatible.
>
> The old way of finding the pmu stays of course available.
>
> Signed-off-by: Heiko Stuebner <he...@sntech.de>
> Signed-off-by: Kever Yang <kever.y...@rock-chips.com>
> ---
>
> Changes in v3:
> - add this patch
>
> Changes in v2: None
>
> arch/arm/mach-rockchip/platsmp.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm/mach-rockchip/platsmp.c
> b/arch/arm/mach-rockchip/platsmp.c index 4c36fbf..57b53b3 100644
> --- a/arch/arm/mach-rockchip/platsmp.c
> +++ b/arch/arm/mach-rockchip/platsmp.c
> @@ -155,6 +155,19 @@ static int __init rockchip_smp_prepare_pmu(void)
> struct device_node *node;
> void __iomem *pmu_base;
>
> + /*
> + * This function is only called via smp_ops->smp_prepare_cpu().
> + * That only happens if a "/cpus" device tree node exists
> + * and has an "enable-method" property that selects the SMP
> + * operations defined herein.
> + */
> + node = of_find_node_by_path("/cpus");
> +
> + pmu = syscon_regmap_lookup_by_phandle(node, "rockchip,pmu");
> + of_node_put(node);
> + if (!IS_ERR(pmu))
> + return 0;
> +
> pmu = syscon_regmap_lookup_by_compatible("rockchip,rk3066-pmu");
> if (!IS_ERR(pmu))
> return 0;
--
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