NET: sa11x0-ir: convert to use scatterlist DMA API

Convert the sa11x0 IrDA driver to use the scatterlist DMA API.  This
is a preparatory patch for converting the driver to use the DMA engine
API, which requires a struct scatterlist for every transfer.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
1 file changed