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From: Greg KH <gregkh@linuxfoundation.org>
To: Rickard Andersson <rickard.andersson@stericsson.com>
Cc: "linux-serial@vger.kernel.org" <linux-serial@vger.kernel.org>,
	Linus WALLEIJ <linus.walleij@stericsson.com>,
	"alan@linux.intel.com" <alan@linux.intel.com>,
	"daniel.lezcano@linaro.org" <daniel.lezcano@linaro.org>
Subject: Re: [PATCH v2] TTY: serial, add pm function
Date: Tue, 15 Jan 2013 23:58:13 -0800	[thread overview]
Message-ID: <20130116075813.GA30819@kroah.com> (raw)
In-Reply-To: <50F65C5E.9090804@stericsson.com>

On Wed, Jan 16, 2013 at 08:53:02AM +0100, Rickard Andersson wrote:
> On 01/16/2013 08:05 AM, Greg KH wrote:
> >On Wed, Dec 12, 2012 at 01:40:51PM +0100, Rickard Andersson wrote:
> >>Add power management function to tty driver interface
> >>and add implementation for serial core.
> >>
> >>Signed-off-by: Rickard Andersson<rickard.andersson@stericsson.com>
> >>---
> >>ChangeLog v1->v2
> >>- add mutex handling
> >As no one is using this, why add it?
> >
> >greg k-h
> We want to use this pm function from our bluetooth driver to save
> current when possible. So in our case when the bluetooth driver sees
> that the serial communication to the bluetooth chip will not be used
> it can tell the pl011 serial driver to turn off clocks.

Is that driver in the tree already?


  reply	other threads:[~2013-01-16  7:57 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-12 12:40 [PATCH v2] TTY: serial, add pm function Rickard Andersson
2013-01-16  7:05 ` Greg KH
2013-01-16  7:53   ` Rickard Andersson
2013-01-16  7:58     ` Greg KH [this message]
2013-01-16  8:33       ` Rickard Andersson
2013-01-16 15:24         ` Greg KH
2013-01-17  0:36           ` Linus Walleij
2013-01-17  2:32             ` Greg KH
2013-01-17 10:10               ` Rickard Andersson
2013-01-17 13:16               ` Alan Cox
2013-01-18 12:43               ` Linus Walleij

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