linux-kernel - [60/90] sunsu: Fix detection of SU ports which are RSC console or control.

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Message-Id: <20091217011605.824429156@mini.kroah.org>
Date:	Wed, 16 Dec 2009 17:15:11 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	"David S. Miller" <davem@...emloft.net>
Subject: [60/90] sunsu: Fix detection of SU ports which are RSC console or control.

2.6.31-stable review patch.  If anyone has any objections, please let us know.

------------------


From: David S. Miller <davem@...emloft.net>

[ Upstream commit 8301d386afc55c877bafe2c6c7dc75a96ddd2838 ]

These device nodes are named "rsc-console" and "rsc-control" rather
than 'serial', but the device_type property is 'serial' so we'll
tip off of that for detection.

Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/serial/sunsu.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1517,6 +1517,10 @@ static const struct of_device_id su_matc
 		.name = "serial",
 		.compatible = "su",
 	},
+	{
+		.type = "serial",
+		.compatible = "su",
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, su_match);
@@ -1548,6 +1552,12 @@ static int __init sunsu_init(void)
 				num_uart++;
 		}
 	}
+	for_each_node_by_type(dp, "serial") {
+		if (of_device_is_compatible(dp, "su")) {
+			if (su_get_type(dp) == SU_PORT_PORT)
+				num_uart++;
+		}
+	}
 
 	if (num_uart) {
 		err = sunserial_register_minors(&sunsu_reg, num_uart);


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