linux-kernel - Re: [PATCH] driver core: Make sure device detached from driver before deleting it

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Date:   Wed, 18 Oct 2017 08:19:52 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Jeffy Chen <jeffy.chen@...k-chips.com>
Cc:     linux-kernel@...r.kernel.org, dmitry.torokhov@...il.com,
        heiko@...ech.de, briannorris@...omium.org, rjw@...ysocki.net,
        dianders@...omium.org, tfiga@...omium.org, broonie@...nel.org,
        seanpaul@...omium.org, thierry.reding@...il.com
Subject: Re: [PATCH] driver core: Make sure device detached from driver
 before deleting it

On Wed, Oct 18, 2017 at 01:49:26PM +0800, Jeffy Chen wrote:
> There are cases we call device_del() without detaching it from the
> driver(e.g. spi core del children devices).

Why would you do that?  Shouldn't that be fixed instead of this odd
work-around for a broken bus?

thanks,

greg k-h