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crypto: qce - Make clocks optional

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On certain Snapdragon processors, the crypto engine clocks are enabled by
default by security firmware and the driver should not handle the clocks.
Make acquiring of all the clocks optional in crypto engine driver, so that
the driver initializes properly even if no clocks are specified in the dt.

Tested-by: Jordan Crouse <jorcrous@amazon.com>
Signed-off-by: Thara Gopinath <thara.gopinath@gmail.com>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
[Bhupesh: Massage the commit log]
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Thara Gopinath 2023-02-22 19:22:39 +02:00 committed by Herbert Xu
parent 694ff00c9b
commit 167af1f338
1 changed files with 3 additions and 3 deletions
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6
drivers/crypto/qce/core.c
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@ -209,15 +209,15 @@ static int qce_crypto_probe(struct platform_device *pdev)
if (ret < 0)
return ret;
qce->core = devm_clk_get(qce->dev, "core");
qce->core = devm_clk_get_optional(qce->dev, "core");
if (IS_ERR(qce->core))
return PTR_ERR(qce->core);
qce->iface = devm_clk_get(qce->dev, "iface");
qce->iface = devm_clk_get_optional(qce->dev, "iface");
if (IS_ERR(qce->iface))
return PTR_ERR(qce->iface);
qce->bus = devm_clk_get(qce->dev, "bus");
qce->bus = devm_clk_get_optional(qce->dev, "bus");
if (IS_ERR(qce->bus))
return PTR_ERR(qce->bus);