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authorDavid Daney <ddaney@caviumnetworks.com>2009-10-14 12:04:37 -0700
committerRalf Baechle <ralf@linux-mips.org>2009-12-17 01:56:58 +0000
commit0f7e64a3941fef0a5735da5184f3ccc0d234b580 (patch)
tree456e42f477bfad13b1de86bae39d0b2d52aff0cd
parent362e696428590f7d0a5d0971a2d04b0372a761b8 (diff)
downloadlwn-0f7e64a3941fef0a5735da5184f3ccc0d234b580.tar.gz
lwn-0f7e64a3941fef0a5735da5184f3ccc0d234b580.zip
MIPS: Octeon: Add platform device for MDIO buses.
Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/cavium-octeon/octeon-platform.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index be711dd2d918..febfdd73309f 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");