[PATCH 2/2] tty: serial: 8250_mtk: set regshift for mmio32
From: Hsin-Yi Wang
Date: Fri Sep 11 2020 - 05:39:53 EST
To use mmio32, we also need to set regshift.
Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_mtk.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
index 7b0dec14c8b80..41f4120abdf29 100644
--- a/drivers/tty/serial/8250/8250_mtk.c
+++ b/drivers/tty/serial/8250/8250_mtk.c
@@ -669,6 +669,7 @@ static int __init early_mtk8250_setup(struct earlycon_device *device,
return -ENODEV;
device->port.iotype = UPIO_MEM32;
+ device->port.regshift = 2;
return early_serial8250_setup(device, NULL);
}
--
2.28.0.618.gf4bc123cb7-goog