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[83.9.29.188]) by smtp.gmail.com with ESMTPSA id w26-20020a19c51a000000b004fb964d48e6sm858285lfe.95.2023.08.11.13.51.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Aug 2023 13:51:01 -0700 (PDT) From: Konrad Dybcio Date: Fri, 11 Aug 2023 22:50:57 +0200 Subject: [PATCH 2/3] crypto: qcom-rng: Make the core clock optional regardless of ACPI presence MIME-Version: 1.0 Message-Id: <20230811-topic-8450_prng-v1-2-01becceeb1ee@linaro.org> References: <20230811-topic-8450_prng-v1-0-01becceeb1ee@linaro.org> In-Reply-To: <20230811-topic-8450_prng-v1-0-01becceeb1ee@linaro.org> To: Andy Gross , Bjorn Andersson , Herbert Xu , "David S. Miller" , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1691787056; l=1084; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=RzvdGw3IEkgoyMi6gKDkVuP1H4j8B0h8WD5wZuY2HnM=; b=+9SEp37pEI+KIv4leu0konNKFkQlJyzX4N8S00ogXVAhEo4UoRef+dyDlDBl7nifWIr6voJO7 /JIK/XDll/eBBzVyMALXSlpwdsVVy6H4VVHp417WyQtwBxZpzBR0Gx3 X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Some newer SoCs (like SM8450) do not require a clock vote for the PRNG to function. Make it entirely optional and rely on the bindings checker to ensure platforms that need it, consume one. Signed-off-by: Konrad Dybcio Reviewed-by: Bjorn Andersson --- drivers/crypto/qcom-rng.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/crypto/qcom-rng.c b/drivers/crypto/qcom-rng.c index 72dd1a4ebac4..825a729f205e 100644 --- a/drivers/crypto/qcom-rng.c +++ b/drivers/crypto/qcom-rng.c @@ -173,13 +173,9 @@ static int qcom_rng_probe(struct platform_device *pdev) if (IS_ERR(rng->base)) return PTR_ERR(rng->base); - /* ACPI systems have clk already on, so skip clk_get */ - if (!has_acpi_companion(&pdev->dev)) { - rng->clk = devm_clk_get(&pdev->dev, "core"); - if (IS_ERR(rng->clk)) - return PTR_ERR(rng->clk); - } - + rng->clk = devm_clk_get_optional(&pdev->dev, "core"); + if (IS_ERR(rng->clk)) + return PTR_ERR(rng->clk); rng->skip_init = (unsigned long)device_get_match_data(&pdev->dev);