Unverified Commit c752e87b authored by Jon Lin's avatar Jon Lin Committed by Mark Brown
Browse files

spi: rockchip-sfc: Embedded DMA only support 4B aligned address 



Controller limitations.

Signed-off-by: default avatarJon Lin <jon.lin@rock-chips.com>
Link: https://patch.msgid.link/20241118145646.2609039-1-jon.lin@rock-chips.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 26470a2e

drivers/spi/spi-rockchip-sfc.c

+1 −1
Original line number Diff line number Diff line
@@ -503,7 +503,7 @@ static int rockchip_sfc_exec_mem_op(struct spi_mem *mem, const struct spi_mem_op 
	rockchip_sfc_adjust_op_work((struct spi_mem_op *)op);

	rockchip_sfc_xfer_setup(sfc, mem, op, len);

	if (len) {

		if (likely(sfc->use_dma) && len >= SFC_DMA_TRANS_THRETHOLD) {

		if (likely(sfc->use_dma) && len >= SFC_DMA_TRANS_THRETHOLD && !(len & 0x3)) {

			init_completion(&sfc->cp);

			rockchip_sfc_irq_unmask(sfc, SFC_IMR_DMA);

			ret = rockchip_sfc_xfer_data_dma(sfc, op, len);