linux-kernel - [PATCH v9 09/10] soc: qcom: rpmpd: Use dev_pm_opp_of_get

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Date:   Mon,  7 Jan 2019 15:39:58 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     andy.gross@...aro.org, robh@...nel.org, viresh.kumar@...aro.org,
        sboyd@...nel.org, ulf.hansson@...aro.org, collinsd@...eaurora.org,
        mka@...omium.org
Cc:     devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, henryc.chen@...iatek.com,
        Rajendra Nayak <rnayak@...eaurora.org>
Subject: [PATCH v9 09/10] soc: qcom: rpmpd: Use dev_pm_opp_of_get_level() helper

Get rid of the duplicate code across rpmpd and rpmhpd to read the
performance state value (opp-level) from Device tree and use the
dev_pm_opp_of_get_level() helper instead.

Suggested-by: Stephen Boyd <sboyd@...nel.org>
Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>
---
 drivers/soc/qcom/rpmhpd.c | 11 +----------
 drivers/soc/qcom/rpmpd.c  | 11 +----------
 2 files changed, 2 insertions(+), 20 deletions(-)

diff --git a/drivers/soc/qcom/rpmhpd.c b/drivers/soc/qcom/rpmhpd.c
index 521aa2a571bb..38c8a11c92c8 100644
--- a/drivers/soc/qcom/rpmhpd.c
+++ b/drivers/soc/qcom/rpmhpd.c
@@ -276,16 +276,7 @@ static int rpmhpd_set_performance_state(struct generic_pm_domain *domain,
 static unsigned int rpmhpd_get_performance_state(struct generic_pm_domain *genpd,
 						 struct dev_pm_opp *opp)
 {
-	struct device_node *np;
-	unsigned int level = 0;
-
-	np = dev_pm_opp_get_of_node(opp);
-	if (of_property_read_u32(np, "opp-level", &level))
-		pr_err("%s: missing 'opp-level' property\n", __func__);
-
-	of_node_put(np);
-
-	return level;
+	return dev_pm_opp_of_get_level(opp);
 }
 
 static int rpmhpd_update_level_mapping(struct rpmhpd *rpmhpd)
diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c
index 1c6c5dec2667..68179e4bac3d 100644
--- a/drivers/soc/qcom/rpmpd.c
+++ b/drivers/soc/qcom/rpmpd.c
@@ -248,16 +248,7 @@ static int rpmpd_set_performance(struct generic_pm_domain *domain,
 static unsigned int rpmpd_get_performance(struct generic_pm_domain *genpd,
 					  struct dev_pm_opp *opp)
 {
-	struct device_node *np;
-	unsigned int corner = 0;
-
-	np = dev_pm_opp_get_of_node(opp);
-	if (of_property_read_u32(np, "opp-level", &corner))
-		pr_err("%s: missing 'opp-level' property\n", __func__);
-
-	of_node_put(np);
-
-	return corner;
+	return dev_pm_opp_of_get_level(opp);
 }
 
 static int rpmpd_probe(struct platform_device *pdev)
-- 
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