linux-kernel - [PATCH] PM / devfreq: exynos-ppmu: Use device_get_match

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Message-Id: <20231006213854.333261-1-robh@kernel.org>
Date:   Fri,  6 Oct 2023 16:38:54 -0500
From:   Rob Herring <robh@...nel.org>
To:     Chanwoo Choi <cw00.choi@...sung.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>
Cc:     linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] PM / devfreq: exynos-ppmu: Use device_get_match_data()

Use preferred device_get_match_data() instead of of_match_device() to
get the driver match data. With this, adjust the includes to explicitly
include the correct headers.

Signed-off-by: Rob Herring <robh@...nel.org>
---
 drivers/devfreq/event/exynos-ppmu.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
index 896a6cc93b00..56bac4702006 100644
--- a/drivers/devfreq/event/exynos-ppmu.c
+++ b/drivers/devfreq/event/exynos-ppmu.c
@@ -12,9 +12,9 @@
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/regmap.h>
 #include <linux/suspend.h>
 #include <linux/devfreq-event.h>
@@ -507,7 +507,6 @@ static int of_get_devfreq_events(struct device_node *np,
 	struct device *dev = info->dev;
 	struct device_node *events_np, *node;
 	int i, j, count;
-	const struct of_device_id *of_id;
 	int ret;
 
 	events_np = of_get_child_by_name(np, "events");
@@ -525,13 +524,7 @@ static int of_get_devfreq_events(struct device_node *np,
 	}
 	info->num_events = count;
 
-	of_id = of_match_device(exynos_ppmu_id_match, dev);
-	if (of_id)
-		info->ppmu_type = (enum exynos_ppmu_type)of_id->data;
-	else {
-		of_node_put(events_np);
-		return -EINVAL;
-	}
+	info->ppmu_type = (enum exynos_ppmu_type)device_get_match_data(dev);
 
 	j = 0;
 	for_each_child_of_node(events_np, node) {
-- 
2.40.1