drivers/net/wireless/marvell/mwifiex/pcie_quirks.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/marvell/mwifiex/pcie_quirks.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/marvell/mwifiex/pcie_quirks.c
Extension
.c
Size
3959 bytes
Lines
148
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

// SPDX-License-Identifier: GPL-2.0-only
// NXP Wireless LAN device driver: PCIE and platform specific quirks

#include <linux/dmi.h>

#include "pcie_quirks.h"

/* quirk table based on DMI matching */
static const struct dmi_system_id mwifiex_quirk_table[] = {
	{
		.ident = "Surface Pro 4",
		.matches = {
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Pro 4"),
		},
		.driver_data = (void *)QUIRK_FW_RST_D3COLD,
	},
	{
		.ident = "Surface Pro 5",
		.matches = {
			/* match for SKU here due to generic product name "Surface Pro" */
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "Surface_Pro_1796"),
		},
		.driver_data = (void *)QUIRK_FW_RST_D3COLD,
	},
	{
		.ident = "Surface Pro 5 (LTE)",
		.matches = {
			/* match for SKU here due to generic product name "Surface Pro" */
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "Surface_Pro_1807"),
		},
		.driver_data = (void *)QUIRK_FW_RST_D3COLD,
	},
	{
		.ident = "Surface Pro 6",
		.matches = {
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Pro 6"),
		},
		.driver_data = (void *)QUIRK_FW_RST_D3COLD,
	},
	{
		.ident = "Surface Book 1",
		.matches = {
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Book"),
		},
		.driver_data = (void *)QUIRK_FW_RST_D3COLD,
	},
	{
		.ident = "Surface Book 2",
		.matches = {
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Book 2"),
		},
		.driver_data = (void *)QUIRK_FW_RST_D3COLD,
	},
	{
		.ident = "Surface Laptop 1",
		.matches = {
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Laptop"),
		},
		.driver_data = (void *)QUIRK_FW_RST_D3COLD,
	},
	{
		.ident = "Surface Laptop 2",
		.matches = {
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Laptop 2"),
		},
		.driver_data = (void *)QUIRK_FW_RST_D3COLD,
	},
	{}
};

void mwifiex_initialize_quirks(struct pcie_service_card *card)
{
	struct pci_dev *pdev = card->dev;
	const struct dmi_system_id *dmi_id;

	dmi_id = dmi_first_match(mwifiex_quirk_table);
	if (dmi_id)
		card->quirks = (uintptr_t)dmi_id->driver_data;

	if (!card->quirks)
		dev_info(&pdev->dev, "no quirks enabled\n");
	if (card->quirks & QUIRK_FW_RST_D3COLD)

Annotation

Implementation Notes