ns16550: support ns16550a

Ns16550a devices are Ns16550 devices with additional capabilities.
Decare XEN is compatible with this device, to be able to use unmodified
devicetrees.

Signed-off-by: Tsahee Zidenberg <tsahee@gmx.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Julien Grall <julien.grall@linaro.org>

diff --git a/xen/drivers/char/ns16550.c b/xen/drivers/char/ns16550.c
index 9c2cdedcf9a21283243bb88e8c3337c6ccc75741..a947c68c203f99164186cbbbce7cbc7325fea2f3 100644 (file)
--- a/xen/drivers/char/ns16550.c
+++ b/xen/drivers/char/ns16550.c
@@ -817,6 +817,7 @@ static int __init ns16550_uart_dt_init(struct dt_device_node *dev,
 static const char const *ns16550_dt_compat[] __initconst =
 {
     "ns16550",
+    "ns16550a",
     "snps,dw-apb-uart",
     NULL
 };