From: Vinod Koul <vkoul@kernel.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Linux PM <linux-pm@vger.kernel.org>,
dmaengine@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Brian Norris <briannorris@chromium.org>
Subject: Re: [RESEND][PATCH v1] dmaengine: sh: Discard pm_runtime_put() return value
Date: Fri, 9 Jan 2026 08:12:01 +0530 [thread overview]
Message-ID: <aWBq-Rfu1yez6EjK@vaman> (raw)
In-Reply-To: <8633556.T7Z3S40VBb@rafael.j.wysocki>
On 08-01-26, 16:28, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> Clobbering an error value to be returned from shdma_tx_submit() with
> a pm_runtime_put() return value is not particularly useful, especially
> if the latter is 0, so stop doing that.
>
> This will facilitate a planned change of the pm_runtime_put() return
> type to void in the future.
Hey Rafael,
This is commit b442377c0ea2044a8f50ffa3fe59448f9ed922c in my tree.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> ---
>
> This is requisite for converting pm_runtime_put() into a void function.
>
> If you decide to pick it up, please let me know.
>
> Otherwise, an ACK or equivalent will be appreciated, but also the lack
> of specific criticism will be eventually regarded as consent.
>
> Originally posted here:
>
> https://lore.kernel.org/linux-pm/9626129.rMLUfLXkoz@rafael.j.wysocki/
>
> ---
> drivers/dma/sh/shdma-base.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- a/drivers/dma/sh/shdma-base.c
> +++ b/drivers/dma/sh/shdma-base.c
> @@ -143,7 +143,7 @@ static dma_cookie_t shdma_tx_submit(stru
> }
>
> schan->pm_state = SHDMA_PM_ESTABLISHED;
> - ret = pm_runtime_put(schan->dev);
> + pm_runtime_put(schan->dev);
>
> spin_unlock_irq(&schan->chan_lock);
> return ret;
>
>
--
~Vinod
next prev parent reply other threads:[~2026-01-09 2:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-08 15:28 [RESEND][PATCH v1] dmaengine: sh: Discard pm_runtime_put() return value Rafael J. Wysocki
2026-01-09 2:42 ` Vinod Koul [this message]
2026-01-09 12:15 ` Rafael J. Wysocki
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