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, Rob Herring <robh@kernel.org>,
        Jordan Crouse <jorcrous@amazon.com>
Subject: [PATCH v8 8/9] crypto: qce: core: Make clocks optional
Date:   Thu,  2 Feb 2023 15:50:35 +0200
Message-Id: <20230202135036.2635376-9-vladimir.zapolskiy@linaro.org>
In-Reply-To: <20230202135036.2635376-1-vladimir.zapolskiy@linaro.org>
References: <20230202135036.2635376-1-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 need not/ 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.

Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Cc: herbert@gondor.apana.org.au
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