[PATCH 01/17] spi/spi.h: Add get_buf/put_buf support in spi master..

Mark Brown broonie at kernel.org
Tue Nov 26 07:38:14 EST 2013


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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