Hi,
On Tuesday 03 December 2013 05:29 PM, Heikki Krogerus wrote:
> Hi Kishon,
>
> On Wed, Oct 16, 2013 at 01:24:12AM +0530, Kishon Vijay Abraham I wrote:
>> + count = of_property_match_string(node, "phy-names", "usb2-phy");
>> + if (count >= 0 || (pdata && pdata->usb2_generic_phy)) {
>> + dwc->usb2_generic_phy = devm_phy_get(dev, "usb2-phy");
>> + if (IS_ERR(dwc->usb2_generic_phy)) {
>> + dev_err(dev, "no usb2 phy configured yet");
>> + return PTR_ERR(dwc->usb2_generic_phy);
>> + }
>> + dwc->usb2_phy = NULL;
>> + }
>> +
>> + count = of_property_match_string(node, "phy-names", "usb3-phy");
>> + if (count >= 0 || (pdata && pdata->usb3_generic_phy)) {
>> + dwc->usb3_generic_phy = devm_phy_get(dev, "usb3-phy");
>> + if (IS_ERR(dwc->usb3_generic_phy)) {
>> + dev_err(dev, "no usb3 phy configured yet");
>> + return PTR_ERR(dwc->usb3_generic_phy);
>> + }
>> + dwc->usb3_phy = NULL;
>> + }
>
> Is there some specific reason for these checks? The driver should not
> need to care about the platform (DT, ACPI, platform based).
yeah just wanted to throw an error if a platform needs PHY but wasn't able to
get it. Btw this has changed after my v3 of this patch series which I sent
sometime back [1] where we use quirks to know if a PHY is needed for that
platform or not.
http://www.spinics.net/lists/linux-usb/msg98077.html
Thanks
Kishon
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