Re: [PATCH] spi: fsl-spi: use of_iomap() to map parameter ram on CPM1

From: Mark Brown
Date: Tue Mar 03 2015 - 13:46:21 EST

On Thu, Feb 26, 2015 at 05:11:42PM +0100, Christophe Leroy wrote:
> On CPM2, the SPI parameter RAM is dynamically allocated in the dualport RAM
> whereas in CPM1, it is statically allocated to a default address with
> capability to relocate it somewhere else via the use of CPM micropatch.
> The address of the parameter RAM is given by the boot loader and expected
> to be mapped via of_iomap()

Why are we using of_iomap() rather than a generic I/O mapping function

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