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    Subject[18/90] [ARM] pxa/em-x270: fix usb hub power up/reset sequence
    2.6.31-stable review patch.  If anyone has any objections, please let us know.

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

    From: Igor Grinberg <grinberg@compulab.co.il>

    commit 1b82e4c32fba96d8805b1e2126ba5382e56fac32 upstream.

    Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
    Signed-off-by: Mike Rapoport <mike@compulab.co.il>
    Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    arch/arm/mach-pxa/em-x270.c | 11 +++++------
    1 file changed, 5 insertions(+), 6 deletions(-)

    --- a/arch/arm/mach-pxa/em-x270.c
    +++ b/arch/arm/mach-pxa/em-x270.c
    @@ -497,16 +497,15 @@ static int em_x270_usb_hub_init(void)
    goto err_free_vbus_gpio;

    /* USB Hub power-on and reset */
    - gpio_direction_output(usb_hub_reset, 0);
    + gpio_direction_output(usb_hub_reset, 1);
    + gpio_direction_output(GPIO9_USB_VBUS_EN, 0);
    regulator_enable(em_x270_usb_ldo);
    - gpio_set_value(usb_hub_reset, 1);
    gpio_set_value(usb_hub_reset, 0);
    + gpio_set_value(usb_hub_reset, 1);
    regulator_disable(em_x270_usb_ldo);
    regulator_enable(em_x270_usb_ldo);
    - gpio_set_value(usb_hub_reset, 1);
    -
    - /* enable VBUS */
    - gpio_direction_output(GPIO9_USB_VBUS_EN, 1);
    + gpio_set_value(usb_hub_reset, 0);
    + gpio_set_value(GPIO9_USB_VBUS_EN, 1);

    return 0;




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