drivers/spi/spi-intel-platform.c

Source file repositories/reference/linux-study-clean/drivers/spi/spi-intel-platform.c

File Facts

System
Linux kernel
Corpus path
drivers/spi/spi-intel-platform.c
Extension
.c
Size
1049 bytes
Lines
44
Domain
Driver Families
Bucket
drivers/spi
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
/*
 * Intel PCH/PCU SPI flash platform driver.
 *
 * Copyright (C) 2016 - 2022, Intel Corporation
 * Author: Mika Westerberg <mika.westerberg@linux.intel.com>
 */

#include <linux/module.h>
#include <linux/platform_device.h>

#include "spi-intel.h"

static int intel_spi_platform_probe(struct platform_device *pdev)
{
	struct intel_spi_boardinfo *info;
	void __iomem *base;

	info = dev_get_platdata(&pdev->dev);
	if (!info)
		return -EINVAL;

	base = devm_platform_ioremap_resource(pdev, 0);
	if (IS_ERR(base))
		return PTR_ERR(base);

	return intel_spi_probe(&pdev->dev, base, info);
}

static struct platform_driver intel_spi_platform_driver = {
	.probe = intel_spi_platform_probe,
	.driver = {
		.name = "intel-spi",
		.dev_groups = intel_spi_groups,
	},
};

module_platform_driver(intel_spi_platform_driver);

MODULE_DESCRIPTION("Intel PCH/PCU SPI flash platform driver");
MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:intel-spi");

Annotation

Implementation Notes