Re: [v3 PATCH 5/6] usb: roles: add USB Type-B GPIO connector driver

[Chunfeng Yun]

Hi,
On Thu, 2019-04-04 at 23:35 +0700, Linus Walleij wrote:
> On Wed, Apr 3, 2019 at 9:09 AM Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> wrote:
> 
> > Due to the requirement of usb-connector.txt binding, the old way
> > using extcon to support USB Dual-Role switch is now deprecated
> > when use Type-B connector.
> > This patch introduces a driver of Type-B connector which typically
> > uses an input GPIO to detect USB ID pin, and try to replace the
> > function provided by extcon-usb-gpio driver
> >
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
> (...)
> > +#include <linux/gpio.h>
> 
> If you need this include in a consumer, something is wrong. Just delete it,
Ok
> 
> > +       info->id_gpiod = devm_gpiod_get_from_of_node(
> > +                               dev, child, "id-gpios", 0, GPIOD_IN, "idpin");
> 
> This is OK if the child does not have any Linux device (struct platform_device
> etc) created from it. Is this the case?
Yes, it is.

Thanks

> 
> Yours,
> Linus Walleij