diff options
| author | Fugang Duan <fugang.duan@nxp.com> | 2019-07-17 13:19:29 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-04 12:43:45 +0200 |
| commit | 638341d5dbd11f057a9b00176ade767b08a9e95f (patch) | |
| tree | ea21497749ebf0db57ad5f99ff6cfcc98f5557c9 /drivers/tty | |
| parent | ca8d92f6d3ddc24140554c24dcbe0a43759f37d7 (diff) | |
| download | linux-638341d5dbd11f057a9b00176ade767b08a9e95f.tar.bz2 | |
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')
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 1 |
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) { |