On 08/22/2013 12:55 PM, Mark Brown wrote:
On Thu, Aug 22, 2013 at 12:34:53PM -0700, Brian Norris wrote:
What you're really missing from device-tree (and the SPI subystem in
general) is how to detect those SPI controllers which support dual and
quad mode transfers, and how to communicate that a particular SPI
transaction should be performed on 1 or 4 IO lines. We shouldn't have
this just hacked in via assumptions.
That bit does need to be fixed in this driver, yes. The SPI core now
has quad mode support.
Where? Perhaps I'm missing the obvious, but I don't see SPI core quad
support in linux-next or in Linus' tree.
Brian
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