[PATCH v4 4/6] coresight: cti: Use of_cpu_phandle_to_id for grabbing CPU id
Suzuki K Poulose
suzuki.poulose at arm.com
Wed Sep 10 09:28:33 PDT 2025
On 05/09/2025 17:18, Alireza Sanaee wrote:
> Use the newly created API (of_cpu_phandle_to_id) to grab CPU ID.
>
> Reviewed-by: Mike Leach <mike.leach at linaro.org>
> Reviewed-by: Jonathan Cameron <jonathan.cameron at huawei.com>
> Signed-off-by: Alireza Sanaee <alireza.sanaee at huawei.com>
> ---
> .../hwtracing/coresight/coresight-cti-platform.c | 13 +------------
> 1 file changed, 1 insertion(+), 12 deletions(-)
>
> diff --git a/drivers/hwtracing/coresight/coresight-cti-platform.c b/drivers/hwtracing/coresight/coresight-cti-platform.c
> index d0ae10bf6128..2629962dbe3e 100644
> --- a/drivers/hwtracing/coresight/coresight-cti-platform.c
> +++ b/drivers/hwtracing/coresight/coresight-cti-platform.c
> @@ -41,18 +41,7 @@
> */
> static int of_cti_get_cpu_at_node(const struct device_node *node)
> {
> - int cpu;
> - struct device_node *dn;
> -
> - if (node == NULL)
> - return -1;
> -
> - dn = of_parse_phandle(node, "cpu", 0);
> - /* CTI affinity defaults to no cpu */
> - if (!dn)
> - return -1;
> - cpu = of_cpu_node_to_id(dn);
> - of_node_put(dn);
> + int cpu = of_cpu_phandle_to_id(node, NULL, 0);
>
> /* No Affinity if no cpu nodes are found */
> return (cpu < 0) ? -1 : cpu;
Assuming this is going in via DT tree:
Acked-by: Suzuki K Poulose <suzuki.poulose at arm.com>
Suzuki
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