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

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devm_clk_get_prepared returns the clk already prepared and the
automatically called cleanup cares for unpreparing. So simplify .probe
and .remove accordingly.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
Hello,

this simplification depends on a patch set that introduces
devm_clk_get_prepared() and friends.

The most recent version of this patch set can be found at

	https://lore.kernel.org/r/20210301135053.1462168-1-u.kleine-koenig@xxxxxxxxxxxxxx

Unfortunately I didn't get any feedback at all from the clk maintainers
on it, so I try to make other maintainers aware of it in the expectation
that the simplifications are welcome and so lure the clk maintainers to
share their thoughts.

Best regards
Uwe

 drivers/i2c/busses/i2c-imx.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index b80fdc1f0092..c0e18a6caa38 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1405,16 +1405,10 @@ 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_prepared(&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;
-	}
+				     "can't get prepared I2C clock\n");
 
 	/* Init queue */
 	init_waitqueue_head(&i2c_imx->queue);
@@ -1517,7 +1511,6 @@ static int i2c_imx_remove(struct platform_device *pdev)
 	irq = platform_get_irq(pdev, 0);
 	if (irq >= 0)
 		free_irq(irq, i2c_imx);
-	clk_disable_unprepare(i2c_imx->clk);
 
 	pm_runtime_put_noidle(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
-- 
2.30.2




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