diff mbox series

[v2,2/2] tty: serial: 8250_mtk: set regshift for mmio32

Message ID 20200915054825.3289105-2-hsinyi@chromium.org (mailing list archive)
State New, archived
Headers show
Series [v2,1/2] tty: serial: print earlycon info after match->setup | expand

Commit Message

Hsin-Yi Wang Sept. 15, 2020, 5:48 a.m. UTC 
To use mmio32, we also need to set regshift.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
---
Change:
v1->v2: none
---
 drivers/tty/serial/8250/8250_mtk.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

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);
 }