soc: qcom: pd-mapper: Convert to of_machine_get_match()

Use the of_machine_get_match() helper instead of open-coding the same
operation.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://patch.msgid.link/0d23a449e62ac85f04ff07bc2758efbaa709c9d1.1772468323.git.geert+renesas@glider.be
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

diff --git a/drivers/soc/qcom/qcom_pd_mapper.c b/drivers/soc/qcom/qcom_pd_mapper.c
index dc10bc859ff4170ccab1e158be654c0f9819cd85..8a1a18f8c859496f63f1078a4adb017f29c03734 100644 (file)
--- a/drivers/soc/qcom/qcom_pd_mapper.c
+++ b/drivers/soc/qcom/qcom_pd_mapper.c
@@ -615,15 +615,9 @@ static struct qcom_pdm_data *qcom_pdm_start(void)
        const struct qcom_pdm_domain_data * const *domains;
        const struct of_device_id *match;
        struct qcom_pdm_data *data;
-       struct device_node *root;
        int ret, i;
 
-       root = of_find_node_by_path("/");
-       if (!root)
-               return ERR_PTR(-ENODEV);
-
-       match = of_match_node(qcom_pdm_domains, root);
-       of_node_put(root);
+       match = of_machine_get_match(qcom_pdm_domains);
        if (!match) {
                pr_notice("PDM: no support for the platform, userspace daemon might be required.\n");
                return ERR_PTR(-ENODEV);