[PATCH 05/17] spi: imx: Use helper function devm_clk_get_enabled()

[Pei Xiao]

devm_clk_get() and clk_prepare_enable() can now be replaced by
devm_clk_get_enabled() when driver enables the clocks. Moreover, it is no
longer necessary to unprepare and disable the clocks explicitly.
Simplify code.

Signed-off-by: Pei Xiao <xiaopei01 at kylinos.cn>
---
 drivers/spi/spi-imx.c | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 64c6c09e1e7b..a01c466818de 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -2323,26 +2323,18 @@ static int spi_imx_probe(struct platform_device *pdev)
 		goto out_controller_put;
 	}
 
-	spi_imx->clk_ipg = devm_clk_get(&pdev->dev, "ipg");
+	spi_imx->clk_ipg = devm_clk_get_enabled(&pdev->dev, "ipg");
 	if (IS_ERR(spi_imx->clk_ipg)) {
 		ret = PTR_ERR(spi_imx->clk_ipg);
 		goto out_controller_put;
 	}
 
-	spi_imx->clk_per = devm_clk_get(&pdev->dev, "per");
+	spi_imx->clk_per = devm_clk_get_enabled(&pdev->dev, "per");
 	if (IS_ERR(spi_imx->clk_per)) {
 		ret = PTR_ERR(spi_imx->clk_per);
 		goto out_controller_put;
 	}
 
-	ret = clk_prepare_enable(spi_imx->clk_per);
-	if (ret)
-		goto out_controller_put;
-
-	ret = clk_prepare_enable(spi_imx->clk_ipg);
-	if (ret)
-		goto out_put_per;
-
 	pm_runtime_set_autosuspend_delay(spi_imx->dev, MXC_RPM_TIMEOUT);
 	pm_runtime_use_autosuspend(spi_imx->dev);
 	pm_runtime_get_noresume(spi_imx->dev);
@@ -2386,9 +2378,6 @@ static int spi_imx_probe(struct platform_device *pdev)
 	pm_runtime_disable(spi_imx->dev);
 	pm_runtime_set_suspended(&pdev->dev);
 
-	clk_disable_unprepare(spi_imx->clk_ipg);
-out_put_per:
-	clk_disable_unprepare(spi_imx->clk_per);
 out_controller_put:
 	spi_controller_put(controller);
 
-- 
2.25.1