pxa/em-x270: fix usb hub power up/reset sequence

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>

diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index aec7f4214b1435bb5d3be865076137ac097a4b17..86a87327ad420efafec66465690dc05d3907813e 100644 (file)
--- 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;