From: Sylwester Nawrocki <snawrocki@kernel.org>
To: Dinghao Liu <dinghao.liu@zju.edu.cn>, kjlu@umn.edu
Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzk@kernel.org>,
Kyungmin Park <kyungmin.park@samsung.com>,
Kukjin Kim <kgene@kernel.org>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org
Subject: Re: [PATCH] media: exynos4-is: Fix runtime PM imbalance in isp_video_open
Date: Mon, 25 May 2020 10:40:12 +0200 [thread overview]
Message-ID: <bde57b79-dc52-6fca-4efd-e8c7b1c57373@kernel.org> (raw)
In-Reply-To: <20200524033404.23227-1-dinghao.liu@zju.edu.cn>
On 5/24/20 05:34, Dinghao Liu wrote:
> pm_runtime_get_sync() increments the runtime PM usage counter even
> when it returns an error code. Thus a pairing decrement is needed on
> the error handling path to keep the counter balanced.
>
> Signed-off-by: Dinghao Liu<dinghao.liu@zju.edu.cn>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
WARNING: multiple messages have this Message-ID (diff)
From: Sylwester Nawrocki <snawrocki@kernel.org>
To: Dinghao Liu <dinghao.liu@zju.edu.cn>, kjlu@umn.edu
Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzk@kernel.org>,
Kyungmin Park <kyungmin.park@samsung.com>,
Kukjin Kim <kgene@kernel.org>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org
Subject: Re: [PATCH] media: exynos4-is: Fix runtime PM imbalance in isp_video_open
Date: Mon, 25 May 2020 10:40:12 +0200 [thread overview]
Message-ID: <bde57b79-dc52-6fca-4efd-e8c7b1c57373@kernel.org> (raw)
In-Reply-To: <20200524033404.23227-1-dinghao.liu@zju.edu.cn>
On 5/24/20 05:34, Dinghao Liu wrote:
> pm_runtime_get_sync() increments the runtime PM usage counter even
> when it returns an error code. Thus a pairing decrement is needed on
> the error handling path to keep the counter balanced.
>
> Signed-off-by: Dinghao Liu<dinghao.liu@zju.edu.cn>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
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next prev parent reply other threads:[~2020-05-25 8:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-24 3:34 [PATCH] media: exynos4-is: Fix runtime PM imbalance in isp_video_open Dinghao Liu
2020-05-24 3:34 ` Dinghao Liu
2020-05-25 8:40 ` Sylwester Nawrocki [this message]
2020-05-25 8:40 ` Sylwester Nawrocki
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