Re: [PATCH 3/3] usb: mxs-phy: register phy as USB_PHY_TYPE_USB2

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Hi,

On Sat, Aug 25, 2012 at 3:33 PM, Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> wrote:
> On 08/24/2012 08:51 AM, Richard Zhao wrote:
>> On Thu, Aug 23, 2012 at 07:22:54PM +0200, Marc Kleine-Budde wrote:
>>> This patch registers the msx-phy as an USB_PHY_TYPE_USB2. This is needed to get
>>> reference to the phy with devm_usb_get_phy_by_phandle(), which will be added in
>>> a later patch.
>>>
>>> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
>>> ---
>>>  drivers/usb/otg/mxs-phy.c |    5 ++++-
>>>  1 file changed, 4 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/usb/otg/mxs-phy.c b/drivers/usb/otg/mxs-phy.c
>>> index c1a67cb..240b945 100644
>>> --- a/drivers/usb/otg/mxs-phy.c
>>> +++ b/drivers/usb/otg/mxs-phy.c
>>> @@ -141,11 +141,14 @@ static int mxs_phy_probe(struct platform_device *pdev)
>>>
>>>      platform_set_drvdata(pdev, &mxs_phy->phy);
>>>
>>> -    return 0;
>>> +    return usb_add_phy(&mxs_phy->phy, USB_PHY_TYPE_USB2);
>> Why is it usb2? It's kind of USB_PHY_TYPE_DT.
>
> For now there is USB_PHY_TYPE_USB2, USB_PHY_TYPE_USB3 and undefined. On
> the one hand it's an USB2 type phy on the other the type is not relevant
> if you get the phy by a phandle. I think it should be USB2. Kishon, what
> do you think?

IMHO, USB_PHY_TYPE_DT does not qualify to be a phy type.
USB_PHY_TYPE_USB2 makes more sense to me.

Thanks
Kishon
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