Hi, (Cc authors and maintainer, otherwise you're patch might be forgotten ;-)
Jisheng Zhang <jszh...@marvell.com> 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: <sta...@vger.kernel.org # v4.1+
Maxime, any comments ? It _is_ odd that only one PHY got added.
> Signed-off-by: Jisheng Zhang <jszh...@marvell.com>
> ---
> 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
>
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