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| author | David Daney <ddaney@caviumnetworks.com> | 2009-10-14 12:04:37 -0700 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-12-17 01:56:58 +0000 |
| commit | 0f7e64a3941fef0a5735da5184f3ccc0d234b580 (patch) | |
| tree | 456e42f477bfad13b1de86bae39d0b2d52aff0cd | |
| parent | 362e696428590f7d0a5d0971a2d04b0372a761b8 (diff) | |
| download | kernel_samsung_espresso10-0f7e64a3941fef0a5735da5184f3ccc0d234b580.zip kernel_samsung_espresso10-0f7e64a3941fef0a5735da5184f3ccc0d234b580.tar.gz kernel_samsung_espresso10-0f7e64a3941fef0a5735da5184f3ccc0d234b580.tar.bz2 | |
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.c | 30 |
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 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"); |