diff options
Diffstat (limited to 'drivers/usb/host/ehci-mxc.c')
| -rw-r--r-- | drivers/usb/host/ehci-mxc.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index dedb80bb8d4..e9301fb97ea 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -57,7 +57,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) struct usb_hcd *hcd; struct resource *res; int irq, ret; - unsigned int flags; struct ehci_mxc_priv *priv; struct device *dev = &pdev->dev; struct ehci_hcd *ehci; @@ -85,10 +84,9 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) hcd->rsrc_start = res->start; hcd->rsrc_len = resource_size(res); - hcd->regs = devm_request_and_ioremap(&pdev->dev, res); - if (!hcd->regs) { - dev_err(dev, "error mapping memory\n"); - ret = -EFAULT; + hcd->regs = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(hcd->regs)) { + ret = PTR_ERR(hcd->regs); goto err_alloc; } @@ -163,25 +161,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) if (ret) goto err_add; - if (pdata->otg) { - /* - * efikamx and efikasb have some hardware bug which is - * preventing usb to work unless CHRGVBUS is set. - * It's in violation of USB specs - */ - if (machine_is_mx51_efikamx() || machine_is_mx51_efikasb()) { - flags = usb_phy_io_read(pdata->otg, - ULPI_OTG_CTRL); - flags |= ULPI_OTG_CTRL_CHRGVBUS; - ret = usb_phy_io_write(pdata->otg, flags, - ULPI_OTG_CTRL); - if (ret) { - dev_err(dev, "unable to set CHRVBUS\n"); - goto err_add; - } - } - } - return 0; err_add: |