From:   Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Thara Gopinath <thara.gopinath@gmail.com>,
        Bhupesh Sharma <bhupesh.sharma@linaro.org>
Cc:     Rob Herring <robh+dt@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Andy Gross <agross@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        linux-crypto@vger.kernel.org, Jordan Crouse <jorcrous@amazon.com>
Subject: [PATCH v9 13/14] crypto: qce: core: Make clocks optional
Date:   Wed,  8 Feb 2023 20:37:54 +0200
Message-Id: <20230208183755.2907771-14-vladimir.zapolskiy@linaro.org>
In-Reply-To: <20230208183755.2907771-1-vladimir.zapolskiy@linaro.org>
References: <20230208183755.2907771-1-vladimir.zapolskiy@linaro.org>
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From: Thara Gopinath <thara.gopinath@gmail.com>

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>
---
 drivers/crypto/qce/core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/qce/core.c b/drivers/crypto/qce/core.c
index 336edba2513e..8e496fb2d5e2 100644
--- a/drivers/crypto/qce/core.c
+++ b/drivers/crypto/qce/core.c
@@ -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);
 
-- 
2.33.0