From mboxrd@z Thu Jan  1 00:00:00 1970
From: hzpeterchen@gmail.com (Peter Chen)
Date: Sat, 9 Jan 2016 16:56:53 +0800
Subject: [RFC PATCH 1/2] USB: core: let USB device know device node
In-Reply-To: <11330516.E3pzCBVn95@wuerfel>
References: <1452231864-11171-1-git-send-email-peter.chen@freescale.com>
 <1452231864-11171-2-git-send-email-peter.chen@freescale.com>
 <11330516.E3pzCBVn95@wuerfel>
Message-ID: <20160109085653.GB27759@shlinux2>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Fri, Jan 08, 2016 at 09:22:22AM +0100, Arnd Bergmann wrote:
> On Friday 08 January 2016 13:44:23 Peter Chen wrote:
> > +struct device_node *usb_of_find_node(struct device_node *parent, int portnum)
> > +{
> > +       struct device_node *node;
> > +       u32 port;
> > +
> > +       for_each_child_of_node(parent, node) {
> > +               if (!of_property_read_u32(node, "reg", &port)) {
> > +                       if (port == portnum)
> > +                               return node;
> > +               }
> > +       }
> > +
> > +       return NULL;
> > +}
> > +EXPORT_SYMBOL_GPL(usb_of_find_node);
> 
> The implementation looks good to me, but I find the function name slightly
> confusing. We use "*find_node" or similar names in other subsystems to
> scan the entire tree, when this one just looks at the immediate children
> of the device.
> 
> Maybe something like "usb_of_get_child_node()" instead?
> 

Ok, thanks. 

-- 

Best Regards,
Peter Chen