Re: [PATCH v2 3/3] pinctrl: sunxi: Make sunxi_pconf_group_set use sunxi_pconf_reg helper

From: Maxime Ripard
Date: Fri Nov 11 2016 - 03:38:58 EST


On Fri, Nov 11, 2016 at 10:44:55AM +0800, Chen-Yu Tsai wrote:
> The sunxi_pconf_reg helper introduced in the last patch gives us the
> chance to rework sunxi_pconf_group_set to have it match the structure
> of sunxi_pconf_(group_)get and make it easier to understand.
>
> For each config to set, it:
>
> 1. checks if the parameter is supported.
> 2. checks if the argument is within limits.
> 3. converts argument to the register value.
> 4. writes to the register with spinlock held.
>
> As a result the function now blocks unsupported config parameters,
> instead of silently ignoring them.
>
> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>

Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>

But I think the config variable removal should be part of patch 2, as
discussed there.

Thanks!
Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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