[PATCH 09/17] spi/spi.h: Add "mem" variable in spi master.

[Mark Brown]

On Tue, Nov 26, 2013 at 06:35:35PM +0530, Sourav Poddar wrote:
> On Tuesday 26 November 2013 06:31 PM, Mark Brown wrote:

> >Is this really generic enough to put here rather than in the driver
> >data?

> The thought behind this was that if a master controller supports
> memory mapped operation and slave wants to use memcpy in his
> driver(bypassing spi ), then we should have a mean to communicate
> between the
> master and the slave. So, 'spi_master' seems to be the place for me
> for this data,
> which could be parsed in the slave side also.

I would have expected that the address would be returned by the function
that maps the buffer in rather than stored permanently in the master.
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