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path: root/drivers/usb/host/ehci-msm.c
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Diffstat (limited to 'drivers/usb/host/ehci-msm.c')
-rw-r--r--drivers/usb/host/ehci-msm.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c
index 0f717dc688b..f341651d6f6 100644
--- a/drivers/usb/host/ehci-msm.c
+++ b/drivers/usb/host/ehci-msm.c
@@ -42,7 +42,6 @@
static const char hcd_name[] = "ehci-msm";
static struct hc_driver __read_mostly msm_hc_driver;
-static struct usb_phy *phy;
static int ehci_msm_reset(struct usb_hcd *hcd)
{
@@ -70,6 +69,7 @@ static int ehci_msm_probe(struct platform_device *pdev)
{
struct usb_hcd *hcd;
struct resource *res;
+ struct usb_phy *phy;
int ret;
dev_dbg(&pdev->dev, "ehci_msm proble\n");
@@ -108,10 +108,14 @@ static int ehci_msm_probe(struct platform_device *pdev)
* powering up VBUS, mapping of registers address space and power
* management.
*/
- phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2);
+ if (pdev->dev.of_node)
+ phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0);
+ else
+ phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2);
+
if (IS_ERR(phy)) {
dev_err(&pdev->dev, "unable to find transceiver\n");
- ret = -ENODEV;
+ ret = -EPROBE_DEFER;
goto put_hcd;
}
@@ -121,6 +125,7 @@ static int ehci_msm_probe(struct platform_device *pdev)
goto put_hcd;
}
+ hcd->phy = phy;
device_init_wakeup(&pdev->dev, 1);
/*
* OTG device parent of HCD takes care of putting
@@ -147,7 +152,7 @@ static int ehci_msm_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
- otg_set_host(phy->otg, NULL);
+ otg_set_host(hcd->phy->otg, NULL);
/* FIXME: need to call usb_remove_hcd() here? */
@@ -186,12 +191,19 @@ static const struct dev_pm_ops ehci_msm_dev_pm_ops = {
.resume = ehci_msm_pm_resume,
};
+static struct of_device_id msm_ehci_dt_match[] = {
+ { .compatible = "qcom,ehci-host", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, msm_ehci_dt_match);
+
static struct platform_driver ehci_msm_driver = {
.probe = ehci_msm_probe,
.remove = ehci_msm_remove,
.driver = {
.name = "msm_hsusb_host",
.pm = &ehci_msm_dev_pm_ops,
+ .of_match_table = msm_ehci_dt_match,
},
};