This patch series adds DMA support for McSPI on AM65x. First patch addresses a limitationn on AM65x where transfers have to be <4K per DMA request and second patch handles possible EPROBE_DEFER when requesting DMA channels Vignesh Raghavendra (2): spi: spi-omap2-mcspi: Handle DMA size restriction on AM65x spi: spi-omap2-mcspi: Support probe deferral for DMA channels drivers/spi/spi-omap2-mcspi.c | 103 +++++++++++------- include/linux/platform_data/spi-omap2-mcspi.h | 1 + 2 files changed, 65 insertions(+), 39 deletions(-) -- 2.25.0