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    Subject[PATCH] ce4100: Add support for CE4100 EHCI IP block to EHCI driver
    Date
    From: Dirk Brandewie <dirk.brandewie@gmail.com>

    This patch adds support for the EHCI IP block present on the Intel
    CE4100.

    Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
    CC: linux-usb@vger.kernel.org
    CC: David Brownell <dbrownell@users.sourceforge.net>
    ---
    drivers/usb/host/ehci-pci.c | 7 +++++++
    1 files changed, 7 insertions(+), 0 deletions(-)

    diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
    index a1e8d27..56c78e9 100644
    --- a/drivers/usb/host/ehci-pci.c
    +++ b/drivers/usb/host/ehci-pci.c
    @@ -22,6 +22,9 @@
    #error "This file is PCI bus glue. CONFIG_PCI must be defined."
    #endif

    +/* defined here to avoid adding to pci_ids.h for single instance use */
    +#define PCI_DEVICE_ID_INTEL_CE4100_USB 0x2e70
    +
    /*-------------------------------------------------------------------------*/

    /* called after powerup, by probe or system-pm "wakeup" */
    @@ -124,6 +127,10 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
    ehci_info(ehci, "disable lpm for langwell/penwell\n");
    ehci->has_lpm = 0;
    }
    + if (pdev->device == PCI_DEVICE_ID_INTEL_CE4100_USB) {
    + hcd->has_tt = 1;
    + tdi_reset(ehci);
    + }
    break;
    case PCI_VENDOR_ID_TDI:
    if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {
    --
    1.7.2.3


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