linux-kernel - Re: [PATCH] usb: dwc3: keystone: switch to use runtime pm

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Message-ID: <20140131154721.GD20736@saruman.home>
Date:	Fri, 31 Jan 2014 09:47:21 -0600
From:	Felipe Balbi <balbi@...com>
To:	Santosh Shilimkar <santosh.shilimkar@...com>
CC:	<balbi@...com>, Grygorii Strashko <grygorii.strashko@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<ivan.khoronzhuk@...com>, <linux-usb@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb: dwc3: keystone: switch to use runtime pm

On Fri, Jan 31, 2014 at 10:43:21AM -0500, Santosh Shilimkar wrote:
> On Friday 31 January 2014 10:19 AM, Felipe Balbi wrote:
> > Hi,
> > 
> > On Fri, Jan 31, 2014 at 03:20:26PM +0200, Grygorii Strashko wrote:
> >> The Keystone PM management layer has been implemented using PM bus for
> >> power management clocks. As result, most of Keystone drivers don't need
> >> to manage clocks directly. They just need to enable runtime PM and use it
> >> to handle their PM state and clocks.
> >>
> >> Hence, remove clock management code and switch to use runtime PM.
> >>
> >> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
> > 
> > quite a few weeks back I sent a series enabling runtime pm for all glue
> > layers. I'll use that version instead, sorry.
> > 
> That should be fine but you need to drop clk_*() related code
> from that patch. I assume you will send refresh version of it then.

why ? it makes no difference if you enable twice and disable twice.

-- 
balbi

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