On Mon, Jan 05, 2015 at 11:09:35AM +0530, Kishon Vijay Abraham I wrote: > Hi, > > On Sunday 04 January 2015 11:58 AM, Baruch Siach wrote: > > Signed-off-by: Baruch Siach <bar...@tkos.co.il> > > --- > > drivers/usb/chipidea/ci_hdrc_usb2.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > I'm sending this as RFC as I'm not sure this is the right thing to do. There > > seems to be a move away from USB specific PHY drivers towards the generic > > PHY > > framework (drivers/phy). The trouble is that my PHY is similar to the mxs > > PHY > > (phy-mxs-usb.c), and like mxs I need the notify_connect/notify_disconnect > > callbacks. This functionality is not available is the generic PHY > > framework. Having support for both 'usb-phy' and 'phy' properties (as dwc3 > > seems to do) is particularly bad, since the distinction between the two is a > > Linux implementation detail that has nothing to do with hardware > > description. > > > > So my questions are: > > > > 1. Is there a plan to add notifications support to the generic PHY? > > > > 2. If not, what are my options? > > extcon framework has notification support. I feel your driver should use the > extcon framework along with phy framework. > > Adding extcon support in the generic PHY framework is something I have not > thought through in detail. >
Hi Kishon & Felipe This is also my concern, we will not accept the new usb phy driver using current usb_phy interface any more, how usb phy specific interfaces are existed at generic phy, any plans? > > > > Thanks, > > baruch > > > > diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c > > b/drivers/usb/chipidea/ci_hdrc_usb2.c > > index 45844c951788..cc3aeb781a57 100644 > > --- a/drivers/usb/chipidea/ci_hdrc_usb2.c > > +++ b/drivers/usb/chipidea/ci_hdrc_usb2.c > > @@ -35,11 +35,16 @@ static int ci_hdrc_usb2_probe(struct platform_device > > *pdev) > > struct device *dev = &pdev->dev; > > struct ci_hdrc_usb2_priv *priv; > > struct ci_hdrc_platform_data *ci_pdata = dev_get_platdata(dev); > > + struct usb_phy *usb_phy; > > int ret; > > > > if (!ci_pdata) > > ci_pdata = &ci_default_pdata; > > > > + usb_phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0); > > + if (!IS_ERR(usb_phy)) > > + ci_pdata->usb_phy = usb_phy; > > + > > priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); > > if (!priv) > > return -ENOMEM; > > -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
