From f9e5397c769ac94dc36e7c7921ea3fc796562b2f Mon Sep 17 00:00:00 2001 From: Jon Lin Date: Fri, 25 Mar 2022 19:08:16 +0800 Subject: [PATCH] spi: rockchip-sfc: Embedded DMA only support 4B aligned address Change-Id: I4a5f77505cb56854d9a68acb588cb056d7d5a7ae Signed-off-by: Jon Lin --- drivers/spi/spi-rockchip-sfc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-rockchip-sfc.c b/drivers/spi/spi-rockchip-sfc.c index 482556a3b9cd..a2a8f1abfaeb 100644 --- a/drivers/spi/spi-rockchip-sfc.c +++ b/drivers/spi/spi-rockchip-sfc.c @@ -645,7 +645,7 @@ 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);