linux-kernel - RE: [PATCH v6 07/12] usb: otg: add OTG/dual-role core

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Date:	Fri, 15 Apr 2016 09:59:31 +0000
From:	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:	Roger Quadros <rogerq@...com>,
	"stern@...land.harvard.edu" <stern@...land.harvard.edu>,
	"balbi@...nel.org" <balbi@...nel.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"peter.chen@...escale.com" <peter.chen@...escale.com>
CC:	"dan.j.williams@...el.com" <dan.j.williams@...el.com>,
	"jun.li@...escale.com" <jun.li@...escale.com>,
	"mathias.nyman@...ux.intel.com" <mathias.nyman@...ux.intel.com>,
	"tony@...mide.com" <tony@...mide.com>,
	"Joao.Pinto@...opsys.com" <Joao.Pinto@...opsys.com>,
	"abrestic@...omium.org" <abrestic@...omium.org>,
	"r.baldyga@...sung.com" <r.baldyga@...sung.com>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>
Subject: RE: [PATCH v6 07/12] usb: otg: add OTG/dual-role core

Hi,

> From: Roger Quadros
> Sent: Thursday, April 14, 2016 8:32 PM
> 
> On 14/04/16 14:15, Yoshihiro Shimoda wrote:
> > Hi,
> >
< snip >
> >>> @@ -865,7 +867,8 @@ int usb_otg_register_hcd(struct usb_hcd *hcd, unsigned int irqnum,
> >>>  	 * we're ready only if we have shared HCD
> >>>  	 * or we don't need shared HCD.
> >>>  	 */
> >>> -	if (otg->shared_hcd.hcd || !otg->primary_hcd.hcd->shared_hcd) {
> >>> +	if (otg->shared_hcd.hcd || (!otg->caps->needs_companion &&
> >>> +				    !otg->primary_hcd.hcd->shared_hcd)) {
> >>>  		otg->host = hcd_to_bus(hcd);
> >>>  		/* FIXME: set bus->otg_port if this is true OTG port with HNP */
> >>>
> >>
> >> These changes look good to me. Thanks.
> >
> > Thank you for the comment.
> > If we change the "needs_companion" place to the otg_config,
> > do we need to add a flag into the otg, instead of otg->caps?
> 
> Yes we can add a flag in struct usb_otg.

Thank you for the comment.

I made a fixed patch.
So, should I send this patch to ML after you sent v7 patches?
Or, would you apply this patch before you send v7 patches?

Best regards,
Yoshihiro Shimoda

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