Re: [PATCH 10/21] openrisc: use for_each_of_cpu_node iterator

From: Stafford Horne
Date: Thu Sep 06 2018 - 05:12:15 EST


On Wed, Sep 05, 2018 at 02:37:27PM -0500, Rob Herring wrote:
> Use the for_each_of_cpu_node iterator to iterate over cpu nodes. This
> has the side effect of defaulting to iterating using "cpu" node names in
> preference to the deprecated (for FDT) device_type == "cpu".
>
> This also fixes a leaked reference for cpus node.
>
> Cc: Jonas Bonn <jonas@xxxxxxxxxxxx>
> Cc: Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx>
> Cc: Stafford Horne <shorne@xxxxxxxxx>
> Cc: openrisc@xxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> Please ack and I will take via the DT tree. This is dependent on the
> first 2 patches.
>
> arch/openrisc/kernel/setup.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c
> index 9d28ab14d139..e17fcd83120f 100644
> --- a/arch/openrisc/kernel/setup.c
> +++ b/arch/openrisc/kernel/setup.c
> @@ -158,9 +158,8 @@ static struct device_node *setup_find_cpu_node(int cpu)
> {
> u32 hwid;
> struct device_node *cpun;
> - struct device_node *cpus = of_find_node_by_path("/cpus");
>
> - for_each_available_child_of_node(cpus, cpun) {
> + for_each_of_cpu_node(cpun) {
> if (of_property_read_u32(cpun, "reg", &hwid))
> continue;
> if (hwid == cpu)

This looks fine to me. Thanks Rob

Acked-by: Stafford Horne <shorne@xxxxxxxxx>