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tty: serial: 8250_mtk: set regshift for mmio32

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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>
This commit is contained in:
Hsin-Yi Wang 2020-09-15 13:48:27 +08:00 committed by Greg Kroah-Hartman
parent f28295cc8c
commit ea4de367e5
1 changed files with 1 additions and 0 deletions
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drivers/tty/serial/8250/8250_mtk.c
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@ -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);
}