diff mbox

[1/6] MIPS: Octeon: Add platform device for MDIO buses.

Message ID 1255547082-7388-1-git-send-email-ddaney@caviumnetworks.com
State Not Applicable, archived
Delegated to: David Miller
Headers show

Commit Message

David Daney Oct. 14, 2009, 7:04 p.m. UTC 
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
---
 arch/mips/cavium-octeon/octeon-platform.c |   30 +++++++++++++++++++++++++++++
 1 files changed, 30 insertions(+), 0 deletions(-)

Comments

Ralf Baechle Oct. 14, 2009, 7:22 p.m. UTC | #1 
On Wed, Oct 14, 2009 at 12:04:37PM -0700, David Daney wrote:

Thanks, queued.

  Ralf
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diff mbox

Patch

diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/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);
 
+/* Octeon SMI/MDIO interface.  */
+static int __init octeon_mdiobus_device_init(void)
+{
+	struct platform_device *pd;
+	int ret = 0;
+
+	if (octeon_is_simulation())
+		return 0; /* No mdio in the simulator. */
+
+	/* The bus number is the platform_device id.  */
+	pd = platform_device_alloc("mdio-octeon", 0);
+	if (!pd) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	ret = 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");