linux-kernel - Re: [PATCH] clk: sunxi-ng: sun50i: h6: Add 2x fixed post-divider to MMC module clocks

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Message-ID: <20180820141810.botskv2xkzpnd5t3@flea>
Date:   Mon, 20 Aug 2018 16:18:10 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Chen-Yu Tsai <wens@...e.org>, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH] clk: sunxi-ng: sun50i: h6: Add 2x fixed post-divider to
 MMC module clocks

On Mon, Aug 20, 2018 at 09:40:13PM +0800, Icenowy Zheng wrote:
> On the H6, the MMC module clocks are fixed in the new timing mode,
> i.e. they do not have a bit to select the mode. These clocks have
> a 2x divider somewhere between the clock and the MMC module.
> 
> To be consistent with other SoCs supporting the new timing mode,
> we model the 2x divider as a fixed post-divider on the MMC module
> clocks.
> 
> This patch adds the post-dividers to the MMC clocks, following the
> approach on A64.
> 
> Fixes: 542353ea ("clk: sunxi-ng: add support for the Allwinner H6 CCU")
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>

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

Thanks!
Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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