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authorMark Brown <broonie@kernel.org>2018-06-19 12:30:45 +0100
committerMark Brown <broonie@kernel.org>2018-06-19 12:30:45 +0100
commit68921fb4be8e567565aa704350e858db1c470eff (patch)
tree69a7de3be302f128b6f6529e4e16635781abfd80 /drivers/tty/serial/samsung.c
parentf7fb073463b2b4ea4d7b1848aaae04c6722354d3 (diff)
parentd9227958dc0e56976eaf452a213aee8415a9eb60 (diff)
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-18.06-android
Diffstat (limited to 'drivers/tty/serial/samsung.c')
-rw-r--r--drivers/tty/serial/samsung.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 312343beb249..4d532a085db9 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -860,15 +860,12 @@ static int s3c24xx_serial_request_dma(struct s3c24xx_uart_port *p)
dma->rx_conf.direction = DMA_DEV_TO_MEM;
dma->rx_conf.src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
dma->rx_conf.src_addr = p->port.mapbase + S3C2410_URXH;
- dma->rx_conf.src_maxburst = 16;
+ dma->rx_conf.src_maxburst = 1;
dma->tx_conf.direction = DMA_MEM_TO_DEV;
dma->tx_conf.dst_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
dma->tx_conf.dst_addr = p->port.mapbase + S3C2410_UTXH;
- if (dma_get_cache_alignment() >= 16)
- dma->tx_conf.dst_maxburst = 16;
- else
- dma->tx_conf.dst_maxburst = 1;
+ dma->tx_conf.dst_maxburst = 1;
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);