linux-kernel - Re: [PATCH v10 1/4] device core: add device_is

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Date:	Sat, 24 Oct 2015 19:50:36 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:	linux-pm@...r.kernel.org, Alan Stern <stern@...land.harvard.edu>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	martyn.welch@...labora.co.uk, Ulf Hansson <ulf.hansson@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 1/4] device core: add device_is_bound()

On Wed, Oct 21, 2015 at 05:34:11PM +0200, Tomeu Vizoso wrote:
> Adds a function that tells whether a device is already bound to a
> driver.
> 
> This is needed to warn when there is an attempt to change the PM domain
> of a device that has finished probing already. The reason why we want to
> enforce that is because in the general case that can cause problems and
> also that we can simplify code quite a bit if we can always assume that.
> 
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

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