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-rw-r--r--drivers/devfreq/exynos-bus.c22
1 files changed, 5 insertions, 17 deletions
diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
index 00118580905a..7d06c476d8e9 100644
--- a/drivers/devfreq/exynos-bus.c
+++ b/drivers/devfreq/exynos-bus.c
@@ -160,7 +160,6 @@ static void exynos_bus_exit(struct device *dev)
platform_device_unregister(bus->icc_pdev);
dev_pm_opp_of_remove_table(dev);
- clk_disable_unprepare(bus->clk);
dev_pm_opp_put_regulators(bus->opp_token);
}
@@ -171,7 +170,6 @@ static void exynos_bus_passive_exit(struct device *dev)
platform_device_unregister(bus->icc_pdev);
dev_pm_opp_of_remove_table(dev);
- clk_disable_unprepare(bus->clk);
}
static int exynos_bus_parent_parse_of(struct device_node *np,
@@ -247,23 +245,16 @@ static int exynos_bus_parse_of(struct device_node *np,
int ret;
/* Get the clock to provide each bus with source clock */
- bus->clk = devm_clk_get(dev, "bus");
- if (IS_ERR(bus->clk)) {
- dev_err(dev, "failed to get bus clock\n");
- return PTR_ERR(bus->clk);
- }
-
- ret = clk_prepare_enable(bus->clk);
- if (ret < 0) {
- dev_err(dev, "failed to get enable clock\n");
- return ret;
- }
+ bus->clk = devm_clk_get_enabled(dev, "bus");
+ if (IS_ERR(bus->clk))
+ return dev_err_probe(dev, PTR_ERR(bus->clk),
+ "failed to get bus clock\n");
/* Get the freq and voltage from OPP table to scale the bus freq */
ret = dev_pm_opp_of_add_table(dev);
if (ret < 0) {
dev_err(dev, "failed to get OPP table\n");
- goto err_clk;
+ return ret;
}
rate = clk_get_rate(bus->clk);
@@ -281,8 +272,6 @@ static int exynos_bus_parse_of(struct device_node *np,
err_opp:
dev_pm_opp_of_remove_table(dev);
-err_clk:
- clk_disable_unprepare(bus->clk);
return ret;
}
@@ -453,7 +442,6 @@ static int exynos_bus_probe(struct platform_device *pdev)
err:
dev_pm_opp_of_remove_table(dev);
- clk_disable_unprepare(bus->clk);
err_reg:
dev_pm_opp_put_regulators(bus->opp_token);