[PATCH 2/7] usb: xhci: plat: attach the usb_phy to the correct hcd

Jisheng Zhang
2015-12-04T14:15:03Z

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
xhci->shared_hcd is the hcd for usb3, this patch fixes this issue
by attach the usb_phy to the xhci->shared_hcd.

Signed-off-by: Jisheng Zhang <jszhang@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 b566304..a8c465a 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -82,6 +82,7 @@ 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;

@@ -162,17 +163,18 @@ 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)
@@ -189,7 +191,7 @@ 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);
@@ -211,7 +213,7 @@ 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);
--
2.6.2