+Masahiro
On 11 March 2016 at 22:17, Peng Fan <van.free...@gmail.com> wrote:
> We may have pinmux settings for pinctrl device, like the following
> example:
> "
> &iomuxc {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_hog_1>;
> imx6ul-evk {
> pinctrl_hog_1: hoggrp-1 {
> fsl,pins = <
> MX6UL_PAD_UART1_RTS_B__GPIO1_IO19
> 0x17059 /* SD1 CD */
> MX6UL_PAD_GPIO1_IO05__USDHC1_VSELECT
> 0x17059 /* SD1 VSELECT */
> MX6UL_PAD_GPIO1_IO09__GPIO1_IO09
> 0x17059 /* SD1 RESET */
> MX6UL_PAD_SNVS_TAMPER0__GPIO5_IO00
> 0x80000000
> >;
> };
> [......]
> };
> "
>
> We should not only select pinctrl state for non pinctrl devices, we
> need also to handle pin mux settings such as pinctrl_log for pinctrl
> devices.
>
> So at the end of probing process of pinctrl device, select the default
> state of pinctrl device.
>
> Signed-off-by: Peng Fan <van.free...@gmail.com>
> Cc: Simon Glass <s...@chromium.org>
> ---
> drivers/core/device.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/core/device.c b/drivers/core/device.c
> index cb24a61..6b1ba22 100644
> --- a/drivers/core/device.c
> +++ b/drivers/core/device.c
> @@ -332,6 +332,9 @@ int device_probe(struct udevice *dev)
> if (ret)
> goto fail_uclass;
>
> + if (dev->parent && device_get_uclass_id(dev) == UCLASS_PINCTRL)
> + pinctrl_select_state(dev, "default");
> +
> return 0;
> fail_uclass:
> if (device_remove(dev)) {
> --
> 2.6.2
>
Reviewed-by: Simon Glass <s...@chromium.org>
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