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: Wed, 16 Jan 2013 07:24:40 -0800 [thread overview]
Message-ID: <20130116152440.GA1101@kroah.com> (raw)
In-Reply-To: <50F665C5.9020603@stericsson.com>
On Wed, Jan 16, 2013 at 09:33:09AM +0100, Rickard Andersson wrote:
> On 01/16/2013 08:58 AM, Greg KH wrote:
> >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?
> >
> The bluetooth cg2900 driver is on its way towards "staging".
Really? I've never heard of it before, nor seen it, so how would I know
this? And we really never want to change core kernel code for staging
drivers, it's one of the requirements of staging code.
So I'll not take this for now, thanks.
greg k-h
next prev parent reply other threads:[~2013-01-16 15:23 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
2013-01-16 8:33 ` Rickard Andersson
2013-01-16 15:24 ` Greg KH [this message]
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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