[PATCH v2 09/11] cpufreq: scmi: Add support to parse domain-id using #power-domain-cells

Ulf Hansson
2023-07-13T14:19:24Z

The performance domain-id can be described in DT using the power-domains
property or the clock property. The latter is already supported, so let's
add support for the power-domains too.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

Changes in v2:
- New patch.

---
drivers/cpufreq/scmi-cpufreq.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index 78f53e388094..b42f43d9bd89 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -72,13 +72,19 @@ static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy,

static int scmi_cpu_domain_id(struct device *cpu_dev)
{
- struct of_phandle_args clkspec;
+ struct of_phandle_args domain_id;

if (of_parse_phandle_with_args(cpu_dev->of_node, "clocks",
- "#clock-cells", 0, &clkspec))
- return -EINVAL;
+ "#clock-cells", 0, &domain_id)) {

- return clkspec.args[0];
+ if (of_parse_phandle_with_args(cpu_dev->of_node,
+ "power-domains",
+ "#power-domain-cells", 0,
+ &domain_id))
+ return -EINVAL;
+ }
+
+ return domain_id.args[0];
}

static int
--
2.34.1