Hi,
On Fri, Oct 01, 2010 at 11:09:04PM +0200, ext Enric Balletbo i Serra wrote:
> GPIO for various devices are missing from the board initialization.
> This patch adds support for the VBUS and over current gpios. Without this
> patch, input/outputs from these two sources are ignored.
>
> Signed-off-by: Enric Balletbo i Serra <[email protected]>
> ---
> arch/arm/mach-omap2/board-igep0020.c | 16 ++++++++++++++++
> 1 files changed, 16 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-igep0020.c
> b/arch/arm/mach-omap2/board-igep0020.c
> index 175f043..07dbdb7 100644
> --- a/arch/arm/mach-omap2/board-igep0020.c
> +++ b/arch/arm/mach-omap2/board-igep0020.c
> @@ -274,6 +274,22 @@ static int igep2_twl_gpio_setup(struct device *dev,
> igep2_vmmc1_supply.dev = mmc[0].dev;
> igep2_vmmc2_supply.dev = mmc[1].dev;
>
> + /*
> + * REVISIT: need ehci-omap hooks for external VBUS
> + * power switch and overcurrent detect
> + */
> + if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) ||
> + (gpio_direction_input(gpio + 1) < 0))
> + pr_err("IGEP2: Could not obtain gpio for EHCI NOC");
Shouldb't you return error if it can't request the GPIO?
> +
> + /*
> + * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN
> + * (out, active low)
> + */
> + if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) ||
> + (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0))
> + pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
Same here.
> +
> return 0;
> };
>
> --
> 1.7.0.4
>
> --
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