On Tue, Nov 26, 2013 at 01:04:57PM +0530, Sourav Poddar wrote: > Add get_buf, put_buf api support in spi master. > This can be used in a scenario where spi controller I would expect that while the buffer is mapped the controller would be unavailable for normal SPI API use so I'd expect some code that checks a flag while a mapping is in place and errors out on normal SPI operations during that time as well as the operations themselves.
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