linux-kernel - [PATCH 3/3] tty/of_serial: add missing ns16550a id

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Message-Id: <1259690346-12469-3-git-send-email-gregkh@suse.de>
Date:	Tue,  1 Dec 2009 09:59:06 -0800
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Michal Simek <monstr@...str.eu>, Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 3/3] tty/of_serial: add missing ns16550a id

From: Michal Simek <monstr@...str.eu>

Many boards have a bug-free ns16550 compatible serial port, which we should
register as PORT_16550A. This introduces a new value "ns16550a" for the
compatible property of of_serial to let a firmware choose that model instead
of using the crippled PORT_16550 mode.

Reported-by: Alon Ziv <alonz@...aviz.org>
Signed-off-by: Michal Simek <monstr@...str.eu>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/serial/of_serial.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c
index 02406ba..cdf172e 100644
--- a/drivers/serial/of_serial.c
+++ b/drivers/serial/of_serial.c
@@ -161,6 +161,7 @@ static int of_platform_serial_remove(struct of_device *ofdev)
 static struct of_device_id __devinitdata of_platform_serial_table[] = {
 	{ .type = "serial", .compatible = "ns8250",   .data = (void *)PORT_8250, },
 	{ .type = "serial", .compatible = "ns16450",  .data = (void *)PORT_16450, },
+	{ .type = "serial", .compatible = "ns16550a", .data = (void *)PORT_16550A, },
 	{ .type = "serial", .compatible = "ns16550",  .data = (void *)PORT_16550, },
 	{ .type = "serial", .compatible = "ns16750",  .data = (void *)PORT_16750, },
 	{ .type = "serial", .compatible = "ns16850",  .data = (void *)PORT_16850, },
-- 
1.6.4.2

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