[PATCH] i2c: imx: Simplify using devm_clk_get_enabled()

[Uwe Kleine-König]

devm_clk_get_enabled() returns the clk already (prepared and) enabled
and the automatically called cleanup cares for disabling (and
unpreparing). So simplify .probe() and .remove() accordingly.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
---
 drivers/i2c/busses/i2c-imx.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index cf5bacf3a488..42189a5f2905 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1482,17 +1482,11 @@ static int i2c_imx_probe(struct platform_device *pdev)
 	ACPI_COMPANION_SET(&i2c_imx->adapter.dev, ACPI_COMPANION(&pdev->dev));
 
 	/* Get I2C clock */
-	i2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
+	i2c_imx->clk = devm_clk_get_enabled(&pdev->dev, NULL);
 	if (IS_ERR(i2c_imx->clk))
 		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_imx->clk),
 				     "can't get I2C clock\n");
 
-	ret = clk_prepare_enable(i2c_imx->clk);
-	if (ret) {
-		dev_err(&pdev->dev, "can't enable I2C clock, ret=%d\n", ret);
-		return ret;
-	}
-
 	/* Init queue */
 	init_waitqueue_head(&i2c_imx->queue);
 
@@ -1564,7 +1558,6 @@ static int i2c_imx_probe(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 	pm_runtime_set_suspended(&pdev->dev);
 	pm_runtime_dont_use_autosuspend(&pdev->dev);
-	clk_disable_unprepare(i2c_imx->clk);
 	return ret;
 }
 
@@ -1590,7 +1583,6 @@ static int i2c_imx_remove(struct platform_device *pdev)
 		imx_i2c_write_reg(0, i2c_imx, IMX_I2C_IFDR);
 		imx_i2c_write_reg(0, i2c_imx, IMX_I2C_I2CR);
 		imx_i2c_write_reg(0, i2c_imx, IMX_I2C_I2SR);
-		clk_disable(i2c_imx->clk);
 	}
 
 	clk_notifier_unregister(i2c_imx->clk, &i2c_imx->clk_change_nb);
@@ -1598,8 +1590,6 @@ static int i2c_imx_remove(struct platform_device *pdev)
 	if (irq >= 0)
 		free_irq(irq, i2c_imx);
 
-	clk_unprepare(i2c_imx->clk);
-
 	pm_runtime_put_noidle(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 

base-commit: eeac8ede17557680855031c6f305ece2378af326
-- 
2.39.1