> The Freescale MX27 and MX31 SoCs have a EHCI controller onboard.
> The controller is capable of USB on the go. This patch adds
> a driver to support all three of them.
>
> Users have to pass details about serial interface configuration in the
> platform data.
>
> The USB OTG core used here is the ARC core, so the driver should
> be renamed and probably be merged with ehci-fsl.c eventually.
>
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Signed-off-by: Daniel Mack <daniel@xxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
> Cc: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> Cc: linux-usb@xxxxxxxxxxxxxxx
> ---
> arch/arm/plat-mxc/Makefile | 2 +
> arch/arm/plat-mxc/ehci.c | 90 +++++++++
> arch/arm/plat-mxc/include/mach/mxc_ehci.h | 37 ++++
> drivers/usb/Kconfig | 1 +
> drivers/usb/host/Kconfig | 7 +
> drivers/usb/host/ehci-hcd.c | 5 +
> drivers/usb/host/ehci-mxc.c | 296 +++++++++++++++++++++++++++++
> 7 files changed, 438 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/plat-mxc/ehci.c
> create mode 100644 arch/arm/plat-mxc/include/mach/mxc_ehci.h
> create mode 100644 drivers/usb/host/ehci-mxc.c
<snip>
> diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
> new file mode 100644
> index 0000000..35c56f4
> --- /dev/null
> +++ b/drivers/usb/host/ehci-mxc.c
<snip>
> +static int ehci_mxc_drv_probe(struct platform_device *pdev)
> +{
> + struct mxc_usbh_platform_data *pdata = pdev->dev.platform_data;
> + struct usb_hcd *hcd;
> + struct resource *res;
> + int irq, ret, temp;
> + struct ehci_mxc_priv *priv;
> + struct device *dev = &pdev->dev;
> +
> + dev_info(&pdev->dev, "initializing i.MX USB Controller\n");
> +
You probably need to return an error if usb_disabled()
Sorry for the late catch.
- Anand
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