These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / net / ethernet / stmicro / stmmac / dwmac-generic.c

diff --git a/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c b/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
new file mode 100644 (file)
index 0000000..b1e5f24
--- /dev/null
+++ b/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
@@ -0,0 +1,81 @@
+/*
+ * 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\n");
+                       return PTR_ERR(plat_dat);
+               }
+       } else {
+               plat_dat = dev_get_platdata(&pdev->dev);
+               if (!plat_dat) {
+                       dev_err(&pdev->dev, "no platform data provided\n");
+                       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");