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From: Hsin-Yi Wang <hsinyi@chromium.org>
To: linux-serial@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jirislaby@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Serge Semin <Sergey.Semin@baikalelectronics.ru>,
	Changqi Hu <changqi.hu@mediatek.com>,
	Frank Wunderlich <frank-w@public-files.de>,
	Hsin-Yi Wang <hsinyi@chromium.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
	Enric Balletbo i Serra <enric.balletbo@collabora.com>,
	Eddie Huang <eddie.huang@mediatek.com>
Subject: [PATCH v2 2/2] tty: serial: 8250_mtk: set regshift for mmio32
Date: Tue, 15 Sep 2020 13:48:27 +0800
Message-ID: <20200915054825.3289105-2-hsinyi@chromium.org> (raw)
In-Reply-To: <20200915054825.3289105-1-hsinyi@chromium.org>

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 --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


  reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-15  5:48 [PATCH v2 1/2] tty: serial: print earlycon info after match->setup Hsin-Yi Wang
2020-09-15  5:48 ` Hsin-Yi Wang [this message]
2020-09-18 11:03 ` Andy Shevchenko

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