linux-kernel - Re: [RFC PATCH 2/2] usb: phy: Add platform driver support for ULPI PHYs

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Date:	Thu, 24 Sep 2015 17:43:31 +0800
From:	Peter Chen <peter.chen@...escale.com>
To:	Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@...inx.com>
CC:	"balbi@...com" <balbi@...com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"kishon@...com" <kishon@...com>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Punnaiah Choudary Kalluri" <punnaia@...inx.com>
Subject: Re: [RFC PATCH 2/2] usb: phy: Add platform driver support for ULPI
 PHYs

On Thu, Sep 24, 2015 at 09:21:16AM +0000, Subbaraya Sundeep Bhatta wrote:
> > > +uphy->flags);
> > > +
> > > +	uphy->usb_phy->set_vbus	= usbphy_set_vbus;
> > 
> > When you will call it?
> 
> I am calling it in host.c and otg_fsm.c of Chipidea driver wherever
> regulator_enable/disable is called to control VBUS like below: 
> 
> if (ci->platdata->flags & CI_HDRC_PHY_VBUS_CONTROL) {
>                 if (enable)
>                         ci->usb_phy->set_vbus(ci->usb_phy, 1);
>                 else
>                         ci->usb_phy->set_vbus(ci->usb_phy, 0);
> }
> 
> After these changes host mode and otg modes works fine
> for my case.
> 

Get it, there are several vbus control ways, I may need to consolidate
them, of cos, this is another topic.

-- 

Best Regards,
Peter Chen
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