Re: [PATCH 1/2] pinctrl: select_state: don't call pinctrl_free_settingon error

From: Stephen Warren
Date: Fri Mar 29 2013 - 12:09:23 EST


On 03/29/2013 03:03 AM, Richard Genoud wrote:
> As Stephen Warren pointed out, pinctrl_free_setting() was called instead
> of pinmux_disable_setting() on error.
> In this error code, we want to call pinmux_disable_setting() where
> pinmux_enable_setting() was called.

> And when pinconf_apply_setting() was called, we can't do much to undo
> the pin muxing (the closest thing I can think about for "unmuxing" a pin
> is muxing it as GPIO input).

That's likely typically what pinmux_disable_setting() does, or perhaps
it'll select a function for that pin/group that is guaranteed not to
conflict with any possible other mux configuration.

Reviewed-by: Stephen Warren <swarren@xxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/