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path: root/drivers/tty/serial/8250/8250_of.c
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Diffstat (limited to 'drivers/tty/serial/8250/8250_of.c')
-rw-r--r--drivers/tty/serial/8250/8250_of.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c
index 7a8b5fc81a19..f89dfde934a3 100644
--- a/drivers/tty/serial/8250/8250_of.c
+++ b/drivers/tty/serial/8250/8250_of.c
@@ -97,6 +97,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
if (of_property_read_u32(np, "reg-offset", &prop) == 0)
port->mapbase += prop;
+ /* Compatibility with the deprecated pxa driver and 8250_pxa drivers. */
+ if (of_device_is_compatible(np, "mrvl,mmp-uart"))
+ port->regshift = 2;
+
/* Check for registers offset within the devices address range */
if (of_property_read_u32(np, "reg-shift", &prop) == 0)
port->regshift = prop;