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Message-Id: <20190919142236.4071-2-a.swigon@samsung.com>
Date: Thu, 19 Sep 2019 16:22:26 +0200
From: Artur Świgoń <a.swigon@...sung.com>
To: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pm@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc: Artur Świgoń <a.swigon@...tner.samsung.com>,
cw00.choi@...sung.com, myungjoo.ham@...sung.com,
inki.dae@...sung.com, sw0312.kim@...sung.com,
georgi.djakov@...aro.org, leonard.crestez@....com,
m.szyprowski@...sung.com, b.zolnierkie@...sung.com, krzk@...nel.org
Subject: [RFC PATCH v2 01/11] devfreq: exynos-bus: Extract
exynos_bus_profile_init()
From: Artur Świgoń <a.swigon@...tner.samsung.com>
This patch adds a new static function, exynos_bus_profile_init(), extracted
from exynos_bus_probe().
Signed-off-by: Artur Świgoń <a.swigon@...tner.samsung.com>
---
drivers/devfreq/exynos-bus.c | 92 +++++++++++++++++++++---------------
1 file changed, 53 insertions(+), 39 deletions(-)
diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
index 29f422469960..78f38b7fb596 100644
--- a/drivers/devfreq/exynos-bus.c
+++ b/drivers/devfreq/exynos-bus.c
@@ -287,12 +287,62 @@ static int exynos_bus_parse_of(struct device_node *np,
return ret;
}
+static int exynos_bus_profile_init(struct exynos_bus *bus,
+ struct devfreq_dev_profile *profile)
+{
+ struct device *dev = bus->dev;
+ struct devfreq_simple_ondemand_data *ondemand_data;
+ int ret;
+
+ /* Initialize the struct profile and governor data for parent device */
+ profile->polling_ms = 50;
+ profile->target = exynos_bus_target;
+ profile->get_dev_status = exynos_bus_get_dev_status;
+ profile->exit = exynos_bus_exit;
+
+ ondemand_data = devm_kzalloc(dev, sizeof(*ondemand_data), GFP_KERNEL);
+ if (!ondemand_data) {
+ ret = -ENOMEM;
+ goto err;
+ }
+ ondemand_data->upthreshold = 40;
+ ondemand_data->downdifferential = 5;
+
+ /* Add devfreq device to monitor and handle the exynos bus */
+ bus->devfreq = devm_devfreq_add_device(dev, profile,
+ DEVFREQ_GOV_SIMPLE_ONDEMAND,
+ ondemand_data);
+ if (IS_ERR(bus->devfreq)) {
+ dev_err(dev, "failed to add devfreq device\n");
+ ret = PTR_ERR(bus->devfreq);
+ goto err;
+ }
+
+ /*
+ * Enable devfreq-event to get raw data which is used to determine
+ * current bus load.
+ */
+ ret = exynos_bus_enable_edev(bus);
+ if (ret < 0) {
+ dev_err(dev, "failed to enable devfreq-event devices\n");
+ goto err;
+ }
+
+ ret = exynos_bus_set_event(bus);
+ if (ret < 0) {
+ dev_err(dev, "failed to set event to devfreq-event devices\n");
+ goto err;
+ }
+
+err:
+ return ret;
+}
+
static int exynos_bus_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node, *node;
struct devfreq_dev_profile *profile;
- struct devfreq_simple_ondemand_data *ondemand_data;
struct devfreq_passive_data *passive_data;
struct devfreq *parent_devfreq;
struct exynos_bus *bus;
@@ -334,45 +384,9 @@ static int exynos_bus_probe(struct platform_device *pdev)
if (passive)
goto passive;
- /* Initialize the struct profile and governor data for parent device */
- profile->polling_ms = 50;
- profile->target = exynos_bus_target;
- profile->get_dev_status = exynos_bus_get_dev_status;
- profile->exit = exynos_bus_exit;
-
- ondemand_data = devm_kzalloc(dev, sizeof(*ondemand_data), GFP_KERNEL);
- if (!ondemand_data) {
- ret = -ENOMEM;
+ ret = exynos_bus_profile_init(bus, profile);
+ if (ret < 0)
goto err;
- }
- ondemand_data->upthreshold = 40;
- ondemand_data->downdifferential = 5;
-
- /* Add devfreq device to monitor and handle the exynos bus */
- bus->devfreq = devm_devfreq_add_device(dev, profile,
- DEVFREQ_GOV_SIMPLE_ONDEMAND,
- ondemand_data);
- if (IS_ERR(bus->devfreq)) {
- dev_err(dev, "failed to add devfreq device\n");
- ret = PTR_ERR(bus->devfreq);
- goto err;
- }
-
- /*
- * Enable devfreq-event to get raw data which is used to determine
- * current bus load.
- */
- ret = exynos_bus_enable_edev(bus);
- if (ret < 0) {
- dev_err(dev, "failed to enable devfreq-event devices\n");
- goto err;
- }
-
- ret = exynos_bus_set_event(bus);
- if (ret < 0) {
- dev_err(dev, "failed to set event to devfreq-event devices\n");
- goto err;
- }
goto out;
passive:
--
2.17.1
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