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Date: Tue, 23 Dec 2025 08:56:00 +0100
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Linux PM <linux-pm@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Brian Norris <briannorris@chromium.org>, linux-usb@vger.kernel.org,
	Alan Stern <stern@rowland.harvard.edu>
Subject: Re: [PATCH v1 02/23] USB: core: Discard pm_runtime_put() return value
Message-ID: <2025122350-skewer-celibate-1be5@gregkh>
References: <6245770.lOV4Wx5bFT@rafael.j.wysocki>
 <5058509.GXAFRqVoOG@rafael.j.wysocki>
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In-Reply-To: <5058509.GXAFRqVoOG@rafael.j.wysocki>

On Mon, Dec 22, 2025 at 08:52:33PM +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> 
> To allow the return type of pm_runtime_put() to be changed to void in the
> future, modify usb_autopm_put_interface_async() to discard the return
> value of pm_runtime_put().
> 
> That value is merely used in a debug comment printed by the function in
> question and it is not a particularly useful piece of information
> because pm_runtime_put() does not guarantee that the device will be
> suspended even if it successfully queues up a work item to check
> whether or not the device can be suspended.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>