[Xen-devel] [PATCH 1/2] ns16550: setup default lsr_mask for DT systems too

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Tested-By: Pranavkumar Sawargaonkar <pranavkumar@xxxxxxxxxx>
Tested-By: Chen Baozi <baozich@xxxxxxxxx>
Cc: keir@xxxxxxx
---
 xen/drivers/char/ns16550.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/drivers/char/ns16550.c b/xen/drivers/char/ns16550.c
index 429d786..2dd32b2 100644
--- a/xen/drivers/char/ns16550.c
+++ b/xen/drivers/char/ns16550.c
@@ -1129,6 +1129,8 @@ static int __init ns16550_uart_dt_init(struct 
dt_device_node *dev,
     uart->stop_bits = 1;
     /* Default is no transmit FIFO. */
     uart->fifo_size = 1;
+    /* Default lsr_mask = UART_LSR_THRE */
+    uart->lsr_mask = UART_LSR_THRE;
 
     res = dt_device_get_address(dev, 0, &uart->io_base, &io_size);
     if ( res )
-- 
1.7.10.4


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