linux-kernel - Re: [PATCH v7 7/9] usb: musb: omap2430: use the new generic PHY framework

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Message-ID: <20130624063752.GA7145@arwen.pp.htv.fi>
Date:	Mon, 24 Jun 2013 09:37:52 +0300
From:	Felipe Balbi <balbi@...com>
To:	Kishon Vijay Abraham I <kishon@...com>
CC:	<balbi@...com>, <grant.likely@...aro.org>, <tony@...mide.com>,
	<arnd@...db.de>, <swarren@...dia.com>,
	<sylvester.nawrocki@...il.com>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-usb@...r.kernel.org>, <gregkh@...uxfoundation.org>,
	<akpm@...ux-foundation.org>, <rob.herring@...xeda.com>,
	<rob@...dley.net>, <b-cousson@...com>, <linux@....linux.org.uk>,
	<benoit.cousson@...aro.org>, <mchehab@...hat.com>,
	<cesarb@...arb.net>, <davem@...emloft.net>, <rnayak@...com>,
	<shawn.guo@...aro.org>, <santosh.shilimkar@...com>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<nsekhar@...com>
Subject: Re: [PATCH v7 7/9] usb: musb: omap2430: use the new generic PHY
 framework

Hi,

On Mon, Jun 24, 2013 at 11:01:56AM +0530, Kishon Vijay Abraham I wrote:
> >>@@ -397,9 +407,10 @@ static int omap2430_musb_init(struct musb *musb)
> >>  	if (glue->status != OMAP_MUSB_UNKNOWN)
> >>  		omap_musb_set_mailbox(glue);
> >>
> >>-	usb_phy_init(musb->xceiv);
> >>+	phy_init(musb->phy);
> >>
> >>  	pm_runtime_put_noidle(musb->controller);
> >>+	phy_pm_runtime_put(musb->phy);
> >
> >see, weird unbalanced calls :-)
> >
> >Make it all explicit:
> >
> >phy_pm_runtime_get_sync(phy);
> >phy_init(phy);
> >phy_pm_runtime_put(phy);
> 
> I think then it makes sense to drop get_sync from phy_init()?

maybe not, you don't know if the phy has already autosuspended or not.

-- 
balbi

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