diff options
| author | Igor Grinberg <grinberg@compulab.co.il> | 2009-12-06 15:45:43 +0200 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2009-12-13 21:42:57 +0800 |
| commit | 1b82e4c32fba96d8805b1e2126ba5382e56fac32 (patch) | |
| tree | 4cb7bd20610d198beed7df7b3f87357e0fe14c38 /arch | |
| parent | f40542532e96dda5506eb76badea322f2ae4731c (diff) | |
| download | linux-3.10-1b82e4c32fba96d8805b1e2126ba5382e56fac32.tar.gz linux-3.10-1b82e4c32fba96d8805b1e2126ba5382e56fac32.tar.bz2 linux-3.10-1b82e4c32fba96d8805b1e2126ba5382e56fac32.zip | |
[ARM] pxa/em-x270: fix usb hub power up/reset sequence
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>
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 1c0de808b54..c8a01bc85fd 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; |