[PATCH] spi: bcm2835: transform native-cs to gpio-cs on first spi_setup

[Mark Brown]

On Mon, Apr 06, 2015 at 05:16:31PM +0000, kernel at martin.sperl.org wrote:

> There was a question if we could move the native-cs to GPIO in the driver
> itself.

> This patch implements this, but it is quite complex for the minimal gains.

> Maybe the originally proposed simple warning recommending to use cs_gpio
> in DT would be a sufficient alternative that introduces less code.

I'm not seeing any particular complexity here.  Can you be more explicit
please?
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