Re: [PATCH v2 2/2] usb: chipidea: usbmisc: Add support for i.MX51 CPU

Alexander Shiyan shc_work at mail.ru
Thu Nov 28 01:45:40 EST 2013


Hello.

> On Tue, Nov 26, 2013 at 07:36:50PM +0400, Alexander Shiyan wrote:
> > This adds i.MX51 as the next user of the usbmisc driver.
> > Functionality is similar to i.MX53, so at this stage simply
> > reuse existing i.MX53 calls.
> > 
> > Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
> > ---
> >  drivers/usb/chipidea/usbmisc_imx.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
> > index 4381c5a6..cd061ab 100644
> > --- a/drivers/usb/chipidea/usbmisc_imx.c
> > +++ b/drivers/usb/chipidea/usbmisc_imx.c
> > @@ -204,6 +204,10 @@ static const struct of_device_id usbmisc_imx_dt_ids[] = {
> >  		.data = &imx27_usbmisc_ops,
> >  	},
> >  	{
> > +		.compatible = "fsl,imx51-usbmisc",
> > +		.data = &imx53_usbmisc_ops,
> 
> If it simply uses imx53 ops, why do we need to introduce a new
> compatible?

This has been discussed here:
http://www.spinics.net/lists/linux-usb/msg97502.html

Additionally, "fsl,imx51-usbmisc" string already present in imx51.dtsi.
Thanks.

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