[PATCH 11/13] soc: qcom: Simplify with of_machine_get_match_data()

[Krzysztof Kozlowski]

Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>

---

Depends on the first OF patch.
---
 drivers/soc/qcom/qcom_pd_mapper.c | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/drivers/soc/qcom/qcom_pd_mapper.c b/drivers/soc/qcom/qcom_pd_mapper.c
index 1bcbe69688d2..07198d44b559 100644
--- a/drivers/soc/qcom/qcom_pd_mapper.c
+++ b/drivers/soc/qcom/qcom_pd_mapper.c
@@ -613,25 +613,12 @@ static void qcom_pdm_stop(struct qcom_pdm_data *data)
 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);
-	if (!match) {
-		pr_notice("PDM: no support for the platform, userspace daemon might be required.\n");
-		return ERR_PTR(-ENODEV);
-	}
-
-	domains = match->data;
+	domains = of_machine_get_match_data(qcom_pdm_domains);
 	if (!domains) {
-		pr_debug("PDM: no domains\n");
+		pr_notice("PDM: no support for the platform or no domains, userspace daemon might be required.\n");
 		return ERR_PTR(-ENODEV);
 	}
 

-- 
2.48.1