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Subject[PATCH 2/3] crypto: qcom-rng: Make the core clock optional regardless of ACPI presence
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 <konrad.dybcio@linaro.org>
---
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);

--
2.41.0

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