Dear Suriyan Ramasami, On 20/11/14 01:21, Suriyan Ramasami wrote: > The USB host code was missing gpio_request() calls before using the gpio > functions, causing errors to be printed out. > > Signed-off-by: Suriyan Ramasami <suriya...@gmail.com> > > --- > > Changes in v1: > - Added gpio_request() call in board_gpio_init() > > board/samsung/odroid/odroid.c | 13 +++++++++++-- > 1 file changed, 11 insertions(+), 2 deletions(-) > > diff --git a/board/samsung/odroid/odroid.c b/board/samsung/odroid/odroid.c > index f7396ab..a2c008e 100644 > --- a/board/samsung/odroid/odroid.c > +++ b/board/samsung/odroid/odroid.c > @@ -382,6 +382,17 @@ static void board_gpio_init(void) > gpio_set_pull(EXYNOS4X12_GPIO_X31, S5P_GPIO_PULL_UP); > gpio_set_drv(EXYNOS4X12_GPIO_X31, S5P_GPIO_DRV_4X); > gpio_direction_input(EXYNOS4X12_GPIO_X31); > + > +#ifdef CONFIG_CMD_USB > + /* USB3503A Reference frequency */ > + gpio_request(EXYNOS4X12_GPIO_X30, "USB3503A RefFreq"); > + > + /* USB3503A Connect */ > + gpio_request(EXYNOS4X12_GPIO_X34, "USB3503A Connect"); > + > + /* USB3503A Reset */ > + gpio_request(EXYNOS4X12_GPIO_X35, "USB3503A Reset"); > +#endif > } > > static int pmic_init_max77686(void) > @@ -489,10 +500,8 @@ int board_usb_init(int index, enum usb_init_type init) > > p_pmic = pmic_get("MAX77686_PMIC"); > if (p_pmic && !pmic_probe(p_pmic)) { > - max77686_set_buck_mode(p_pmic, 8, OPMODE_OFF); > max77686_set_buck_voltage(p_pmic, 8, 750000); > max77686_set_buck_voltage(p_pmic, 8, 3300000); > - max77686_set_buck_mode(p_pmic, 8, OPMODE_ON);
why you remove those two lines? This patch is for adding gpio_request call, and there's no explain for this change. Thanks, Minkyu Kang. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot