drivers/interconnect/bulk.c

Source file repositories/reference/linux-study-clean/drivers/interconnect/bulk.c

File Facts

System
Linux kernel
Corpus path
drivers/interconnect/bulk.c
Extension
.c
Size
3786 bytes
Lines
160
Domain
Driver Families
Bucket
drivers/interconnect
Inferred role
Driver Families: exported/initcall integration point
Status
integration 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

struct icc_bulk_devres {
	struct icc_bulk_data *paths;
	int num_paths;
};

static void devm_icc_bulk_release(struct device *dev, void *res)
{
	struct icc_bulk_devres *devres = res;

	icc_bulk_put(devres->num_paths, devres->paths);
}

/**
 * devm_of_icc_bulk_get() - resource managed of_icc_bulk_get
 * @dev: the device requesting the path
 * @num_paths: the number of icc_bulk_data
 * @paths: the table with the paths we want to get
 *
 * Returns 0 on success or negative errno otherwise.
 */
int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bulk_data *paths)
{
	struct icc_bulk_devres *devres;
	int ret;

	devres = devres_alloc(devm_icc_bulk_release, sizeof(*devres), GFP_KERNEL);
	if (!devres)
		return -ENOMEM;

	ret = of_icc_bulk_get(dev, num_paths, paths);
	if (!ret) {
		devres->paths = paths;
		devres->num_paths = num_paths;
		devres_add(dev, devres);
	} else {
		devres_free(devres);
	}

	return ret;
}
EXPORT_SYMBOL_GPL(devm_of_icc_bulk_get);

Annotation

Implementation Notes