Re: [PATCH v3 02/10] clk: sunxi-ng: Add MP_MMC clocks that support MMC timing modes switching

[Maxime Ripard]

On Mon, Jul 24, 2017 at 09:58:57PM +0800, Chen-Yu Tsai wrote:
> All of our MMC clocks are of the MP clock type. A few MMC clocks on some
> SoCs, such as MMC2 on the A83T, support new/old timing mode switching.
> 
> From a clock rate point of view, when the new timing mode is active. the
> output clock rate is halved.
> 
> This patch adds a special wrapper class of clocks, MP_MMC, around the
> generic MP type clocks. The rate related callbacks in ccu_mp_mmc_ops
> for this class look at the timing mode bit and apply the /2 post-divider
> when needed, before passing it through to the generic class ops,
> ccu_mp_ops.
> 
> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>

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

Thanks!
Maxime

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

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