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?
next prev parent 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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