This reverts commit 10ff4c5239a137abfc896ec73ef3d15a0f86a16a.
---
drivers/i2c/busses/i2c-exynos5.c | 24 +++++-------------------
1 file changed, 5 insertions(+), 19 deletions(-)
diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index c0e3ada02876..8710052eeb6b 100644
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -671,9 +671,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
return -EIO;
}
- ret = clk_enable(i2c->clk);
- if (ret)
- return ret;
+ clk_prepare_enable(i2c->clk);
for (i = 0; i < num; i++, msgs++) {
stop = (i == num - 1);
@@ -697,7 +695,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
}
out:
- clk_disable(i2c->clk);
+ clk_disable_unprepare(i2c->clk);
return ret;
}
@@ -749,9 +747,7 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
return -ENOENT;
}
- ret = clk_prepare_enable(i2c->clk);
- if (ret)
- return ret;
+ clk_prepare_enable(i2c->clk);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
i2c->regs = devm_ioremap_resource(&pdev->dev, mem);
@@ -803,10 +799,6 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, i2c);
- clk_disable(i2c->clk);
-
- return 0;
-
err_clk:
clk_disable_unprepare(i2c->clk);
return ret;
@@ -818,8 +810,6 @@ static int exynos5_i2c_remove(struct platform_device *pdev)
i2c_del_adapter(&i2c->adap);
- clk_unprepare(i2c->clk);
-
return 0;
}
@@ -831,8 +821,6 @@ static int exynos5_i2c_suspend_noirq(struct device *dev)
i2c->suspended = 1;
- clk_unprepare(i2c->clk);
-
return 0;
}
@@ -842,9 +830,7 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
struct exynos5_i2c *i2c = platform_get_drvdata(pdev);
int ret = 0;
- ret = clk_prepare_enable(i2c->clk);
- if (ret)
- return ret;
+ clk_prepare_enable(i2c->clk);
ret = exynos5_hsi2c_clock_setup(i2c);
if (ret) {
@@ -853,7 +839,7 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
}
exynos5_i2c_init(i2c);
- clk_disable(i2c->clk);
+ clk_disable_unprepare(i2c->clk);
i2c->suspended = 0;
return 0;
--
1.9.1
--
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