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

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Controller limitations.

Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
Link: https://patch.msgid.link/20241118145646.2609039-1-jon.lin@rock-chips.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Jon Lin 2024-11-18 22:56:46 +08:00 committed by Mark Brown
parent 26470a2e87
commit c752e87b9c
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 1 deletions
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drivers/spi/spi-rockchip-sfc.c
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@ -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);