On Tue, Oct 08, 2013 at 03:51:50PM +0200, Ionut Nicu wrote:
> If the i2c-parent bus driver is not loaded, returning
> -EINVAL will force people to unload and then reload the
> module again to get it working.
>
> Signed-off-by: Ionut Nicu <ioan.nicu.ext@xxxxxxx>
Doesn't the non-DT case need fixing, too?
> ---
> drivers/i2c/muxes/i2c-mux-gpio.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
> index 5d4a99b..eb99f04 100644
> --- a/drivers/i2c/muxes/i2c-mux-gpio.c
> +++ b/drivers/i2c/muxes/i2c-mux-gpio.c
> @@ -79,7 +79,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux,
> adapter = of_find_i2c_adapter_by_node(adapter_np);
> if (!adapter) {
> dev_err(&pdev->dev, "Cannot find parent bus\n");
> - return -ENODEV;
> + return -EPROBE_DEFER;
> }
> mux->data.parent = i2c_adapter_id(adapter);
> put_device(&adapter->dev);
> --
> 1.7.1
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