drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
Extension
.c
Size
2230 bytes
Lines
81
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

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;
	}

	return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
}

static const struct of_device_id dwmac_generic_match[] = {
	{ .compatible = "st,spear600-gmac"},
	{ .compatible = "snps,dwmac-3.40a"},
	{ .compatible = "snps,dwmac-3.50a"},
	{ .compatible = "snps,dwmac-3.610"},
	{ .compatible = "snps,dwmac-3.70a"},
	{ .compatible = "snps,dwmac-3.710"},
	{ .compatible = "snps,dwmac-3.72a"},
	{ .compatible = "snps,dwmac-4.00"},
	{ .compatible = "snps,dwmac-4.10a"},
	{ .compatible = "snps,dwmac"},
	{ .compatible = "snps,dwxgmac-2.10"},
	{ .compatible = "snps,dwxgmac"},
	{ }
};
MODULE_DEVICE_TABLE(of, dwmac_generic_match);

static struct platform_driver dwmac_generic_driver = {
	.probe  = dwmac_generic_probe,
	.driver = {
		.name           = STMMAC_RESOURCE_NAME,
		.pm		= &stmmac_pltfr_pm_ops,
		.of_match_table = dwmac_generic_match,
	},
};
module_platform_driver(dwmac_generic_driver);

MODULE_DESCRIPTION("Generic dwmac driver");
MODULE_LICENSE("GPL v2");

Annotation

Implementation Notes