[PATCH v2] spi: remove struct spi_message::is_dma_mapped

[Andy Shevchenko]

On Mon, Mar 25, 2024 at 02:22:53PM -0500, David Lechner wrote:
> There are no more users of the deprecated is_dma_mapped in struct
> spi_message so it can be removed.
> 
> References in documentation and comments are also removed.
> 
> A few similar checks if xfer->tx_dma or xfer->rx_dma are not NULL are
> also removed since these are now guaranteed to be NULL because they
> were previously set only if is_dma_mapped was true.

Nice cleanup, thank you!

-- 
With Best Regards,
Andy Shevchenko