[PATCH 1/3] spi/qspi: Add memory mapped read support.

Mark Brown broonie at kernel.org
Tue Oct 15 13:52:54 PDT 2013


On Tue, Oct 15, 2013 at 06:33:23PM +0000, Gupta, Pekon wrote:

> Therefore early suggestions were to make 'MM_MODE' as default
> (if device enables it via DT). This means:
> (1) switch to 'SPI_MODE' _only_ when required for commands like
>  mtd_erase, etc. and switch back to 'MM_MODE' when done.
> (2) And keep your controller clocks on.

This sounds like a policy decision, I don't see any reason for it to be
in DT.  What works well with one application stack may not be the best
choice for another and future developments may change what's most
sensible for a given system, it shouldn't be fixed in the DT.
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