Re: [PATCH 0/3] ARM: sun4i: SPI improvements

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On Mon, Dec 08, 2014 at 04:13:59AM -0600, Alexandru Gagniuc wrote:
> This is a series of patches that gets SPI working in a better state on the
> Cubieboard. The main motivation was to use flashrom to to program SPI ROMs.
> There is one patch missing, which adds an spidev node on the Cubieboard. Since
> Maxime did not like the approach in that patch, I've left it out for now.

Just to make things straight, it's not me alone that didn't like the
approach.

It's both wrong on a theorical point of view to put that in the DT,
since it has no hardware meaning at all (ie it doesn't describe the
hardware, or the state the bootloader left the hardware in), and this
has been NAKed a number of times already by Mark Brown.

See http://permalink.gmane.org/gmane.linux.kernel.spi.devel/11747 for
example.

Maxime

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

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