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From: David Daney <ddaney@caviumnetworks.com>
To: "ralf@linux-mips.org" <ralf@linux-mips.org>, "linux-mips@linux-mips.org"
	<linux-mips@linux-mips.org>, "netdev@vger.kernel.org"
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CC: David Daney <ddaney@caviumnetworks.com>
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Date: Wed, 14 Oct 2009 13:04:37 -0600
Subject: [PATCH 1/6] MIPS: Octeon: Add platform device for MDIO buses.
Thread-Topic: [PATCH 1/6] MIPS: Octeon: Add platform device for MDIO buses.
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Signed-off-by: David Daney <ddaney@caviumnetworks.com>
---
 arch/mips/cavium-octeon/octeon-platform.c |   30 +++++++++++++++++++++++++=
++++
 1 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-o=
cteon/octeon-platform.c
index be711dd..febfdd7 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -159,6 +159,36 @@ out:
 }
 device_initcall(octeon_rng_device_init);
=20
+/* Octeon SMI/MDIO interface.  */
+static int __init octeon_mdiobus_device_init(void)
+{
+	struct platform_device *pd;
+	int ret =3D 0;
+
+	if (octeon_is_simulation())
+		return 0; /* No mdio in the simulator. */
+
+	/* The bus number is the platform_device id.  */
+	pd =3D platform_device_alloc("mdio-octeon", 0);
+	if (!pd) {
+		ret =3D -ENOMEM;
+		goto out;
+	}
+
+	ret =3D platform_device_add(pd);
+	if (ret)
+		goto fail;
+
+	return ret;
+fail:
+	platform_device_put(pd);
+
+out:
+	return ret;
+
+}
+device_initcall(octeon_mdiobus_device_init);
+
 MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Platform driver for Octeon SOC");
--=20
1.6.0.6


