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

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On 10/01/2024 21:11, Alexey Romanov wrote:
Not all Amlogic SoC's uses CLK controller.

In this case you must make clocks not required for the new platforms in the bindings.

Neil


Signed-off-by: Alexey Romanov <avromanov@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jan Dakinevich <yvdakinevich@xxxxxxxxxxxxxxxxx>
---
  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;
  }





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