drivers/greybus/debugfs.c

Source file repositories/reference/linux-study-clean/drivers/greybus/debugfs.c

File Facts

System
Linux kernel
Corpus path
drivers/greybus/debugfs.c
Extension
.c
Size
515 bytes
Lines
30
Domain
Driver Families
Bucket
drivers/greybus
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

// SPDX-License-Identifier: GPL-2.0
/*
 * Greybus debugfs code
 *
 * Copyright 2014 Google Inc.
 * Copyright 2014 Linaro Ltd.
 */

#include <linux/debugfs.h>
#include <linux/greybus.h>

static struct dentry *gb_debug_root;

void __init gb_debugfs_init(void)
{
	gb_debug_root = debugfs_create_dir("greybus", NULL);
}

void gb_debugfs_cleanup(void)
{
	debugfs_remove_recursive(gb_debug_root);
	gb_debug_root = NULL;
}

struct dentry *gb_debugfs_get(void)
{
	return gb_debug_root;
}
EXPORT_SYMBOL_GPL(gb_debugfs_get);

Annotation

Implementation Notes