1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index d4eda24aa68b..ca0ec600fab6 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -318,7 +318,7 @@ static void pl011_dma_probe_initcall(struct device *dev, struct uart_amba_port *
                         .src_addr = uap->port.mapbase + UART01x_DR,
                         .src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE,
                         .direction = DMA_DEV_TO_MEM,
-                        .src_maxburst = uap->fifosize >> 1,
+                        .src_maxburst = uap->fifosize >> 2,
                         .device_fc = false,
                 };