[PATCH v1 02/24] drivers: crypto: meson: make CLK controller optional

[Alexey Romanov]

Not all Amlogic SoC's uses CLK controller.

Signed-off-by: Alexey Romanov <avromanov at salutedevices.com>
Signed-off-by: Jan Dakinevich <yvdakinevich at salutedevices.com>
---
 drivers/crypto/amlogic/amlogic-gxl-core.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c
index a5df061f9890..e5f504fb477e 100644
--- a/drivers/crypto/amlogic/amlogic-gxl-core.c
+++ b/drivers/crypto/amlogic/amlogic-gxl-core.c
@@ -248,16 +248,10 @@ static int meson_crypto_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "Cannot request MMIO err=%d\n", err);
 		return err;
 	}
-	mc->busclk = devm_clk_get(&pdev->dev, "blkmv");
+	mc->busclk = devm_clk_get_optional_enabled(&pdev->dev, "blkmv");
 	if (IS_ERR(mc->busclk)) {
 		err = PTR_ERR(mc->busclk);
-		dev_err(&pdev->dev, "Cannot get core clock err=%d\n", err);
-		return err;
-	}
-
-	err = clk_prepare_enable(mc->busclk);
-	if (err != 0) {
-		dev_err(&pdev->dev, "Cannot prepare_enable busclk\n");
+		dev_err(&pdev->dev, "Cannot get and enable core clock err=%d\n", err);
 		return err;
 	}
 
@@ -279,7 +273,6 @@ static int meson_crypto_probe(struct platform_device *pdev)
 	meson_unregister_algs(mc);
 error_flow:
 	meson_free_chanlist(mc, mc->flow_cnt - 1);
-	clk_disable_unprepare(mc->busclk);
 	return err;
 }
 
@@ -295,7 +288,6 @@ static int meson_crypto_remove(struct platform_device *pdev)
 
 	meson_free_chanlist(mc, mc->flow_cnt - 1);
 
-	clk_disable_unprepare(mc->busclk);
 	return 0;
 }
 
-- 
2.30.1