[PATCH] spi/spi-altera: Allow to explicitely override bus number via dts

[Mark Brown]

On Tue, Jan 31, 2012 at 04:54:06PM +0100, Tobias Klauser wrote:
> From: Frederic Lambert <frdrc66 at gmail.com>
> 
> Until now we let the code in spi.c assign us the bus number if the platform
> device didn't specify its id. This patch adds the possibility to explicitely
> specify the bus number via device tree.

Why would this be required?  Bus numbers are a Linux specific thing...