linux-kernel - Re: [PATCH v4 3/3] usb: xhci: remove stop device and ring doorbell in hub control and bus suspend

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Message-ID: <20150508110112.GB30150@kroah.com>
Date:	Fri, 8 May 2015 13:01:12 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Lu Baolu <baolu.lu@...ux.intel.com>
Cc:	Mathias Nyman <mathias.nyman@...el.com>,
	Alan Stern <stern@...land.harvard.edu>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/3] usb: xhci: remove stop device and ring doorbell
 in hub control and bus suspend

On Fri, May 08, 2015 at 06:26:28PM +0800, Lu Baolu wrote:
> There is no need to call xhci_stop_device() and xhci_ring_device() in
> hub control and bus suspend functions since all device suspend and
> resume have been notified through device_suspend/device_resume interfaces.

Does this mean that after patch 2, things are broken and require this
patch to prevent problems?

I don't want to have any patch to make the system unstable.

thanks,

greg k-h
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