Hi, (Cc authors and maintainer, otherwise you're patch might be forgotten ;-) Jisheng Zhang <jszhang@xxxxxxxxxxx> writes: > Commit 7b8ef22ea547 ("usb: xhci: plat: Add USB phy support") adds the > usb_phy for usb3, but it attached the usb_phy to incorrect hcd. The where did you see that's the USB3 phy ? I can't see it. > xhci->shared_hcd is the hcd for usb3, this patch fixes this issue > by attach the usb_phy to the xhci->shared_hcd. Fixes: 7b8ef22ea547 ("usb: xhci: plat: Add USB phy support") Cc: <stable@xxxxxxxxxxxxxxx # v4.1+ Maxime, any comments ? It _is_ odd that only one PHY got added. > Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxxx> > --- > drivers/usb/host/xhci-plat.c | 16 +++++++++------- > 1 file changed, 9 insertions(+), 7 deletions(-) > > diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c > index 8cb46cb..9ff89e9 100644 > --- a/drivers/usb/host/xhci-plat.c > +++ b/drivers/usb/host/xhci-plat.c > @@ -144,6 +144,7 @@ static int xhci_plat_probe(struct platform_device *pdev) > struct resource *res; > struct usb_hcd *hcd; > struct clk *clk; > + struct usb_phy *usb_phy; > int ret; > int irq; > > @@ -231,17 +232,18 @@ static int xhci_plat_probe(struct platform_device *pdev) > if (HCC_MAX_PSA(xhci->hcc_params) >= 4) > xhci->shared_hcd->can_do_streams = 1; > > - hcd->usb_phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0); > - if (IS_ERR(hcd->usb_phy)) { > - ret = PTR_ERR(hcd->usb_phy); > + usb_phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0); > + if (IS_ERR(usb_phy)) { > + ret = PTR_ERR(usb_phy); > if (ret == -EPROBE_DEFER) > goto put_usb3_hcd; > - hcd->usb_phy = NULL; > + usb_phy = NULL; > } else { > - ret = usb_phy_init(hcd->usb_phy); > + ret = usb_phy_init(usb_phy); > if (ret) > goto put_usb3_hcd; > } > + xhci->shared_hcd->usb_phy = usb_phy; > > ret = usb_add_hcd(hcd, irq, IRQF_SHARED); > if (ret) > @@ -258,7 +260,7 @@ dealloc_usb2_hcd: > usb_remove_hcd(hcd); > > disable_usb_phy: > - usb_phy_shutdown(hcd->usb_phy); > + usb_phy_shutdown(usb_phy); > > put_usb3_hcd: > usb_put_hcd(xhci->shared_hcd); > @@ -280,7 +282,7 @@ static int xhci_plat_remove(struct platform_device *dev) > struct clk *clk = xhci->clk; > > usb_remove_hcd(xhci->shared_hcd); > - usb_phy_shutdown(hcd->usb_phy); > + usb_phy_shutdown(xhci->shared_hcd->usb_phy); > > usb_remove_hcd(hcd); > usb_put_hcd(xhci->shared_hcd); > -- > 2.8.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- balbi
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