diff options
| author | Igor Grinberg <grinberg@compulab.co.il> | 2009-12-06 15:45:43 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-18 13:43:29 -0800 |
| commit | 4fe58b9c552130fed9f71ef071a1befc7b9f67e8 (patch) | |
| tree | 21431253f0153cbc925dc2cb1226a0b27ebfc764 /arch | |
| parent | 0454815409609fa916aef4e4ebea2ba1f5491532 (diff) | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-pxa/em-x270.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c index 9cd09465a0e8..110e1f174f25 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; |