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authorHsin-Yi Wang <hsinyi@chromium.org>2020-09-15 13:48:27 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-16 13:17:17 +0200
commitea4de367e57d53b37ecb32cea3b5c753162b070a (patch)
tree169e6584a0993be803029690b9c01b36dc06e413 /drivers/tty
parentf28295cc8ce14b7a78bc3900eaba2e6c34111595 (diff)
tty: serial: 8250_mtk: set regshift for mmio32
To use mmio32, we also need to set regshift. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Acked-by: Eddie Huang <eddie.huang@mediatek.com> Link: https://lore.kernel.org/r/20200915054825.3289105-2-hsinyi@chromium.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/8250/8250_mtk.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
index 7b0dec14c8b8..41f4120abdf2 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);
}