From 4fe58b9c552130fed9f71ef071a1befc7b9f67e8 Mon Sep 17 00:00:00 2001 From: Igor Grinberg Date: Sun, 6 Dec 2009 15:45:43 +0200 Subject: [PATCH] pxa/em-x270: fix usb hub power up/reset sequence commit 1b82e4c32fba96d8805b1e2126ba5382e56fac32 upstream. Signed-off-by: Igor Grinberg Signed-off-by: Mike Rapoport Signed-off-by: Eric Miao Signed-off-by: Greg Kroah-Hartman --- arch/arm/mach-pxa/em-x270.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c index 9cd09465a0e..110e1f174f2 100644 --- 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; -- 2.11.4.GIT