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- From 866ff78da10178cf98600f59ea353fb1b2b7976e Mon Sep 17 00:00:00 2001
- From: Martin Kaiser <[email protected]>
- Date: Wed, 21 Aug 2024 20:12:35 +0200
- Subject: [PATCH] hwrng: rockchip - handle devm_pm_runtime_enable errors
- It's unlikely that devm_pm_runtime_enable ever fails. Still, it makes
- sense to read the return value and handle errors.
- Signed-off-by: Martin Kaiser <[email protected]>
- Signed-off-by: Herbert Xu <[email protected]>
- ---
- drivers/char/hw_random/rockchip-rng.c | 4 +++-
- 1 file changed, 3 insertions(+), 1 deletion(-)
- --- a/drivers/char/hw_random/rockchip-rng.c
- +++ b/drivers/char/hw_random/rockchip-rng.c
- @@ -169,7 +169,9 @@ static int rk_rng_probe(struct platform_
-
- pm_runtime_set_autosuspend_delay(dev, RK_RNG_AUTOSUSPEND_DELAY);
- pm_runtime_use_autosuspend(dev);
- - devm_pm_runtime_enable(dev);
- + ret = devm_pm_runtime_enable(dev);
- + if (ret)
- + return dev_err_probe(&pdev->dev, ret, "Runtime pm activation failed.\n");
-
- ret = devm_hwrng_register(dev, &rk_rng->rng);
- if (ret)
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