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authorFugang Duan <fugang.duan@nxp.com>2019-07-17 08:19:29 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-04 13:43:45 +0300
commit638341d5dbd11f057a9b00176ade767b08a9e95f (patch)
treeea21497749ebf0db57ad5f99ff6cfcc98f5557c9 /drivers/tty/serial/fsl_lpuart.c
parentca8d92f6d3ddc24140554c24dcbe0a43759f37d7 (diff)
downloadlinux-638341d5dbd11f057a9b00176ade767b08a9e95f.tar.xz
tty: serial: fsl_lpuart: remove sg_set_buf() for sport->rx_sgl
Since .sg_init_one() already set sg entry page like below code. sg_init_one() sg_init_table(sg, 1); sg_set_buf(sg, buf, buflen); So it should not set sg entry page again, remove the redundant code. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Link: https://lore.kernel.org/r/20190717051930.15514-5-fugang.duan@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/fsl_lpuart.c')
-rw-r--r--drivers/tty/serial/fsl_lpuart.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 746681be3760..ba87b58cce4a 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -1102,7 +1102,6 @@ static inline int lpuart_start_rx_dma(struct lpuart_port *sport)
return -ENOMEM;
sg_init_one(&sport->rx_sgl, ring->buf, sport->rx_dma_rng_buf_len);
- sg_set_buf(&sport->rx_sgl, ring->buf, sport->rx_dma_rng_buf_len);
nent = dma_map_sg(sport->port.dev, &sport->rx_sgl, 1, DMA_FROM_DEVICE);
if (!nent) {