[PATCH] clk: sunxi: sun9i-mmc: Implement reset callback for reset controls

[Maxime Ripard]

On Mon, Dec 18, 2017 at 11:57:51AM +0800, Chen-Yu Tsai wrote:
> Our MMC host driver now issues a reset, instead of just deasserting
> the reset control, since commit c34eda69ad4c ("mmc: sunxi: Reset the
> device at probe time"). The sun9i-mmc clock driver does not support
> this, and will fail, which results in MMC not probing.
> 
> This patch implements the reset callback by asserting the reset control,
> then deasserting it after a small delay.
> 
> Fixes: 7a6fca879f59 ("clk: sunxi: Add driver for A80 MMC config clocks/resets")
> Cc: <stable at vger.kernel.org> # 4.14.x
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>

Acked-by: Maxime Ripard <maxime.ripard at free-electrons.com>

Thanks!
Maxime

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