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    Subject[PATCH 3.13 016/140] usb: dwc3: fix the glue drivers using the nop phy
    Date
    3.13-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Heikki Krogerus <heikki.krogerus@linux.intel.com>

    commit 13518673f1419f2667985a6fca4543e44143408b upstream.

    The reset_gpio member of the usb_phy_gen_xceiv_platform_data
    structure needs the have negative value or phy-generic's
    probe will fail unless DT is used. 0 is a valid gpio number.

    This fixes an issue where phy-generic fails to probe with
    message: "usb_phy_gen_xceiv.0: Error requesting RESET GPIO 0".

    Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
    Signed-off-by: Felipe Balbi <balbi@ti.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/usb/dwc3/dwc3-exynos.c | 1 +
    drivers/usb/dwc3/dwc3-pci.c | 1 +
    2 files changed, 2 insertions(+)

    --- a/drivers/usb/dwc3/dwc3-exynos.c
    +++ b/drivers/usb/dwc3/dwc3-exynos.c
    @@ -50,6 +50,7 @@ static int dwc3_exynos_register_phys(str

    exynos->usb2_phy = pdev;
    pdata.type = USB_PHY_TYPE_USB2;
    + pdata.gpio_reset = -1;

    ret = platform_device_add_data(exynos->usb2_phy, &pdata, sizeof(pdata));
    if (ret)
    --- a/drivers/usb/dwc3/dwc3-pci.c
    +++ b/drivers/usb/dwc3/dwc3-pci.c
    @@ -52,6 +52,7 @@ static int dwc3_pci_register_phys(struct

    glue->usb2_phy = pdev;
    pdata.type = USB_PHY_TYPE_USB2;
    + pdata.gpio_reset = -1;

    ret = platform_device_add_data(glue->usb2_phy, &pdata, sizeof(pdata));
    if (ret)



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