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kernel add
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/*
* Generic DWMAC platform driver
*
* Copyright (C) 2007-2011 STMicroelectronics Ltd
* Copyright (C) 2015 Joachim Eastwood <manabian@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include "stmmac.h"
#include "stmmac_platform.h"
static int dwmac_generic_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
int ret;
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
if (pdev->dev.of_node) {
plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
if (IS_ERR(plat_dat)) {
dev_err(&pdev->dev, "dt configuration failed
");
return PTR_ERR(plat_dat);
}
} else {
plat_dat = dev_get_platdata(&pdev->dev);
if (!plat_dat) {
dev_err(&pdev->dev, "no platform data provided
");
return -EINVAL;
}
/* Set default value for multicast hash bins */
plat_dat->multicast_filter_bins = HASH_TABLE_SIZE;
/* Set default value for unicast filter entries */
plat_dat->unicast_filter_entries = 1;
}
/* Custom initialisation (if needed) */
if (plat_dat->init) {
ret = plat_dat->init(pdev, plat_dat->bsp_priv);
if (ret)
return ret;
}
return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
}
static const struct of_device_id dwmac_generic_match[] = {
{ .compatible = "st,spear600-gmac"},
{ .compatible = "snps,dwmac-3.610"},
{ .compatible = "snps,dwmac-3.70a"},
{ .compatible = "snps,dwmac-3.710"},
{ .compatible = "snps,dwmac"},
{ }
};
MODULE_DEVICE_TABLE(of, dwmac_generic_match);
static struct platform_driver dwmac_generic_driver = {
.probe = dwmac_generic_probe,
.remove = stmmac_pltfr_remove,
.driver = {
.name = STMMAC_RESOURCE_NAME,
.pm = &stmmac_pltfr_pm_ops,
.of_match_table = of_match_ptr(dwmac_generic_match),
},
};
module_platform_driver(dwmac_generic_driver);
MODULE_DESCRIPTION("Generic dwmac driver");
MODULE_LICENSE("GPL v2");
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