spi: rockchip-sfc: Remove redundant IO operations

Coherent dma buffer is uncached and memcpy is enough.

Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
Link: https://lore.kernel.org/r/20210821124925.6066-1-jon.lin@rock-chips.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-rockchip-sfc.c b/drivers/spi/spi-rockchip-sfc.c
index 7c4d47f..81154a8 100644 (file)
--- a/drivers/spi/spi-rockchip-sfc.c
+++ b/drivers/spi/spi-rockchip-sfc.c
@@ -453,7 +453,7 @@ static int rockchip_sfc_xfer_data_dma(struct rockchip_sfc *sfc,
        dev_dbg(sfc->dev, "sfc xfer_dma len=%x\n", len);
 
        if (op->data.dir == SPI_MEM_DATA_OUT)
-               memcpy_toio(sfc->buffer, op->data.buf.out, len);
+               memcpy(sfc->buffer, op->data.buf.out, len);
 
        ret = rockchip_sfc_fifo_transfer_dma(sfc, sfc->dma_buffer, len);
        if (!wait_for_completion_timeout(&sfc->cp, msecs_to_jiffies(2000))) {
@@ -462,7 +462,7 @@ static int rockchip_sfc_xfer_data_dma(struct rockchip_sfc *sfc,
        }
        rockchip_sfc_irq_mask(sfc, SFC_IMR_DMA);
        if (op->data.dir == SPI_MEM_DATA_IN)
-               memcpy_fromio(op->data.buf.in, sfc->buffer, len);
+               memcpy(op->data.buf.in, sfc->buffer, len);
 
        return ret;
 }