[U-Boot] [PATCH v3 2/9] sunxi: pmic_bus: Decrease boot time by not writing duplicate data

[Maxime Ripard]

On Wed, Nov 21, 2018 at 08:05:26PM +0200, Priit Laes wrote:
> From: Olliver Schinagl <oliver at schinagl.nl>
> 
> When we clear a pmic_bus bit, we do a read-modify-write operation.
> We waste some time however, by writing back the exact samea value
> that was already set in the chip. Let us thus only do the write
> in case data was changed.
> 
> Signed-off-by: Olliver Schinagl <oliver at schinagl.nl>
> Signed-off-by: Priit Laes <plaes at plaes.org>

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

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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