[PATCH for v4.9 LTS 61/86] spi: davinci: use dma_mapping_error()

From: Kevin Hilman [ Upstream commit c5a2a394835f473ae23931eda5066d3771d7b2f8 ] The correct error checking for dma_map_single() is to use dma_mapping_error(). Signed-off-by: Kevin Hilman Signed-off-by: Mark Brown Signed-off-by:

[PATCH for v4.9 LTS 61/86] spi: davinci: use dma_mapping_error()

From: Kevin Hilman [ Upstream commit c5a2a394835f473ae23931eda5066d3771d7b2f8 ] The correct error checking for dma_map_single() is to use dma_mapping_error(). Signed-off-by: Kevin Hilman Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-davinci.c | 4 ++-- 1 file