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path: root/drivers/net/phy/mdio-octeon.c
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Diffstat (limited to 'drivers/net/phy/mdio-octeon.c')
-rw-r--r--drivers/net/phy/mdio-octeon.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/drivers/net/phy/mdio-octeon.c b/drivers/net/phy/mdio-octeon.c
deleted file mode 100644
index ab6914f8bd50..000000000000
--- a/drivers/net/phy/mdio-octeon.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2009-2015 Cavium, Inc.
- */
-
-#include <linux/platform_device.h>
-#include <linux/of_address.h>
-#include <linux/of_mdio.h>
-#include <linux/module.h>
-#include <linux/gfp.h>
-#include <linux/phy.h>
-#include <linux/io.h>
-
-#include "mdio-cavium.h"
-
-static int octeon_mdiobus_probe(struct platform_device *pdev)
-{
- struct cavium_mdiobus *bus;
- struct mii_bus *mii_bus;
- struct resource *res_mem;
- resource_size_t mdio_phys;
- resource_size_t regsize;
- union cvmx_smix_en smi_en;
- int err = -ENOENT;
-
- mii_bus = devm_mdiobus_alloc_size(&pdev->dev, sizeof(*bus));
- if (!mii_bus)
- return -ENOMEM;
-
- res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res_mem == NULL) {
- dev_err(&pdev->dev, "found no memory resource\n");
- return -ENXIO;
- }
-
- bus = mii_bus->priv;
- bus->mii_bus = mii_bus;
- mdio_phys = res_mem->start;
- regsize = resource_size(res_mem);
-
- if (!devm_request_mem_region(&pdev->dev, mdio_phys, regsize,
- res_mem->name)) {
- dev_err(&pdev->dev, "request_mem_region failed\n");
- return -ENXIO;
- }
-
- bus->register_base =
- (u64)devm_ioremap(&pdev->dev, mdio_phys, regsize);
- if (!bus->register_base) {
- dev_err(&pdev->dev, "dev_ioremap failed\n");
- return -ENOMEM;
- }
-
- smi_en.u64 = 0;
- smi_en.s.en = 1;
- oct_mdio_writeq(smi_en.u64, bus->register_base + SMI_EN);
-
- bus->mii_bus->name = KBUILD_MODNAME;
- snprintf(bus->mii_bus->id, MII_BUS_ID_SIZE, "%llx", bus->register_base);
- bus->mii_bus->parent = &pdev->dev;
-
- bus->mii_bus->read = cavium_mdiobus_read;
- bus->mii_bus->write = cavium_mdiobus_write;
-
- platform_set_drvdata(pdev, bus);
-
- err = of_mdiobus_register(bus->mii_bus, pdev->dev.of_node);
- if (err)
- goto fail_register;
-
- dev_info(&pdev->dev, "Probed\n");
-
- return 0;
-fail_register:
- mdiobus_free(bus->mii_bus);
- smi_en.u64 = 0;
- oct_mdio_writeq(smi_en.u64, bus->register_base + SMI_EN);
- return err;
-}
-
-static int octeon_mdiobus_remove(struct platform_device *pdev)
-{
- struct cavium_mdiobus *bus;
- union cvmx_smix_en smi_en;
-
- bus = platform_get_drvdata(pdev);
-
- mdiobus_unregister(bus->mii_bus);
- mdiobus_free(bus->mii_bus);
- smi_en.u64 = 0;
- oct_mdio_writeq(smi_en.u64, bus->register_base + SMI_EN);
- return 0;
-}
-
-static const struct of_device_id octeon_mdiobus_match[] = {
- {
- .compatible = "cavium,octeon-3860-mdio",
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, octeon_mdiobus_match);
-
-static struct platform_driver octeon_mdiobus_driver = {
- .driver = {
- .name = KBUILD_MODNAME,
- .of_match_table = octeon_mdiobus_match,
- },
- .probe = octeon_mdiobus_probe,
- .remove = octeon_mdiobus_remove,
-};
-
-void octeon_mdiobus_force_mod_depencency(void)
-{
- /* Let ethernet drivers force us to be loaded. */
-}
-EXPORT_SYMBOL(octeon_mdiobus_force_mod_depencency);
-
-module_platform_driver(octeon_mdiobus_driver);
-
-MODULE_DESCRIPTION("Cavium OCTEON MDIO bus driver");
-MODULE_AUTHOR("David Daney");
-MODULE_LICENSE("GPL");