[PATCH] SPI: Unify simple platform data for some controllers

[broonie@kernel.org (Mark Brown)]

On Wed, May 29, 2013 at 12:49:13PM +0400, Alexander Shiyan wrote:
> > On Wednesday 29 May 2013 10:42:22 Alexander Shiyan wrote:

> > Wouldn't it be better to kill off the platform_data for these drivers
> > and pass the gpio number through spi->controller_data as the
> > spi_gpio driver does?

> Interesting way. Just one question remains, for using not-dt variant,
> how  we should specify num_chipselect parameter for master?
> I see only way for specify maximum constant in the driver.

We should fix that to be dynamic, having a fixed number is not sensible
when GPIOs are usable for chip select.  We probably also want to make
GPIO chip select support a standard thing that's available with every
driver rather than something the driver has to know about but that's a
separate bit of work.
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