linux-kernel - [PATCH v4 2/2] serial: 8250_dw: add ACPI support for uart on Hisilicon Hip05 SoC

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Message-ID: <1472614152-43136-3-git-send-email-wangkefeng.wang@huawei.com>
Date:   Wed, 31 Aug 2016 11:29:12 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     <gregkh@...uxfoundation.org>, <linux-serial@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Jiri Slaby <jslaby@...e.com>, <guohanjun@...wei.com>,
        <xuwei5@...ilicon.com>, <graeme.gregory@...aro.org>,
        <z.liuxinliang@...ilicon.com>, <linux-acpi@...r.kernel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH v4 2/2] serial: 8250_dw: add ACPI support for uart on Hisilicon Hip05 SoC

Add ACPI identifier for UART on Hisilicon Hip05 SoC, be careful that
it is not 16550 compatible, and "reg-io-width" and "reg-shift" need
be set properly by _DSD method in DSDT.

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 drivers/tty/serial/8250/8250_dw.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index adecece..3478c2c 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -623,6 +623,7 @@ static const struct acpi_device_id dw8250_acpi_match[] = {
 	{ "APMC0D08", 0},
 	{ "AMD0020", 0 },
 	{ "AMDI0020", 0 },
+	{ "HISI0031", 0 },
 	{ },
 };
 MODULE_DEVICE_TABLE(acpi, dw8250_acpi_match);
-- 
1.7.12.4