linux-kernel - Re: [PATCH v2 3/3] media: venus: Fix pm_runtime_set

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Message-ID: <a7975bd0-8593-4ecc-91d4-cbf2113037f4@linaro.org>
Date: Fri, 1 Nov 2024 09:59:56 +0000
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Jinjie Ruan <ruanjinjie@...wei.com>, sakari.ailus@...ux.intel.com,
 mchehab@...nel.org, ming.qian@....com, eagle.zhou@....com,
 stanimir.k.varbanov@...il.com, quic_vgarodia@...cinc.com,
 shijie.qin@....com, hverkuil-cisco@...all.nl, linux-media@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Cc: chenridong@...wei.com
Subject: Re: [PATCH v2 3/3] media: venus: Fix pm_runtime_set_suspended() with
 runtime pm enabled

On 01/11/2024 09:40, Jinjie Ruan wrote:
> It is not valid to call pm_runtime_set_suspended() for devices
> with runtime PM enabled because it returns -EAGAIN if it is enabled
> already and working. So, call pm_runtime_disable() before to fix it.
> 
> Cc: stable@...r.kernel.org
> Fixes: af2c3834c8ca ("[media] media: venus: adding core part and helper functions")
> Signed-off-by: Jinjie Ruan <ruanjinjie@...wei.com>
> ---
> v2:
> - Add Cc stable.
> ---
>   drivers/media/platform/qcom/venus/core.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 84e95a46dfc9..cabcf710c046 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -412,8 +412,8 @@ static int venus_probe(struct platform_device *pdev)
>   	of_platform_depopulate(dev);
>   err_runtime_disable:
>   	pm_runtime_put_noidle(dev);
> -	pm_runtime_set_suspended(dev);
>   	pm_runtime_disable(dev);
> +	pm_runtime_set_suspended(dev);
>   	hfi_destroy(core);
>   err_core_deinit:
>   	hfi_core_deinit(core, false);

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>