[PATCH v3 5/8] spi: Add Freescale QuadSpi driver

[Mark Brown]

On Fri, Aug 30, 2013 at 10:07:26AM +0800, Huang Shijie wrote:
> (0) What is the Quadspi controller?
> 
>     The Quadspi(Quad Serial Peripheral Interface) acts as an interface to
>     one single or two external serial flash devices, each with up to 4
>     bidirectional data lines.

For review and merge it would be much easier to send a patch which
implements just the basic SPI support for this device then add the
support for quad mode separately.
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