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authorJon Lin <jon.lin@rock-chips.com>2021-08-21 15:49:25 +0300
committerMark Brown <broonie@kernel.org>2021-08-23 18:41:07 +0300
commit8d00f9819458b95301e274c6df705df2963ba34f (patch)
treeb93e32f7478097bab22ba68ee548fab4f569d8d8 /drivers/spi/spi-rockchip-sfc.c
parent7a4697b201a617907e4b440ae34df601d4755bef (diff)
downloadlinux-8d00f9819458b95301e274c6df705df2963ba34f.tar.xz
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>
Diffstat (limited to 'drivers/spi/spi-rockchip-sfc.c')
-rw-r--r--drivers/spi/spi-rockchip-sfc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-rockchip-sfc.c b/drivers/spi/spi-rockchip-sfc.c
index 7c4d47fe80c2..81154a8836fc 100644
--- 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;
}