[PATCH v2 4/5] mmc: sunxi: sun4i / sun5i do not have sample clocks

[Maxime Ripard]

On Sat, Jul 30, 2016 at 04:25:47PM +0200, Hans de Goede wrote:
> It turns out that sun4i (A10) and sun5i (A13 & co) do not have sample
> clocks, so add a new sun7i-a20-mmc compatible and do not try to use
> sample clocks on sun4i / sun5i.
> 
> Since sun4i / sun5i do not have sample clocks, they cannot (reliably) do
> DDR rates, so only set MMC_CAP_1_8V_DDR when we do have sample clks.
> 
> Note this patch leaves the clk_prepare_enable() / clk_disable_unprepare()
> calls to the sample clks as-is, without adding checks for them being
> NULL. All the clk_foo calls accept a NULL clk and will return success when
> called with a NULL clk.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

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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