Hi, On Sat, Jul 16, 2016 at 12:46:02PM +0200, Hans de Goede wrote: > It turns out that sun4i (A10) and sun5i (A13 & co) do not have sample > clocks, so make them optional. > > Since these 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 only changes the devm_clk_get error checking and sets > the clocks to NULL if they don't exists. All the clk_foo calls accept > a NULL clk and will return success when called with a NULL clk, so this > is all that is necessary. The clocks aren't really optional. They're not needed for the A10 / A13, and mandatory for the A20 and later. Having a new compatible for the A20 that would require that clock and not require it for the A10/A13 anymore seems more appropriate. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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