linux/drivers/nvmem/layouts.c

// SPDX-License-Identifier: GPL-2.0
/*
 * NVMEM layout bus handling
 *
 * Copyright (C) 2023 Bootlin
 * Author: Miquel Raynal <[email protected]
 */

#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/nvmem-consumer.h>
#include <linux/nvmem-provider.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_irq.h>

#include "internals.h"

#define to_nvmem_layout_driver(drv) …
#define to_nvmem_layout_device(_dev) …

static int nvmem_layout_bus_match(struct device *dev, const struct device_driver *drv)
{ … }

static int nvmem_layout_bus_probe(struct device *dev)
{ … }

static void nvmem_layout_bus_remove(struct device *dev)
{ … }

static const struct bus_type nvmem_layout_bus_type = …;

int __nvmem_layout_driver_register(struct nvmem_layout_driver *drv,
				   struct module *owner)
{ … }
EXPORT_SYMBOL_GPL(…);

void nvmem_layout_driver_unregister(struct nvmem_layout_driver *drv)
{ … }
EXPORT_SYMBOL_GPL(…);

static void nvmem_layout_release_device(struct device *dev)
{ … }

static int nvmem_layout_create_device(struct nvmem_device *nvmem,
				      struct device_node *np)
{ … }

static const struct of_device_id of_nvmem_layout_skip_table[] = …;

static int nvmem_layout_bus_populate(struct nvmem_device *nvmem,
				     struct device_node *layout_dn)
{ … }

struct device_node *of_nvmem_layout_get_container(struct nvmem_device *nvmem)
{ … }
EXPORT_SYMBOL_GPL(…);

/*
 * Returns the number of devices populated, 0 if the operation was not relevant
 * for this nvmem device, an error code otherwise.
 */
int nvmem_populate_layout(struct nvmem_device *nvmem)
{ … }

void nvmem_destroy_layout(struct nvmem_device *nvmem)
{ … }

int nvmem_layout_bus_register(void)
{ … }

void nvmem_layout_bus_unregister(void)
{ … }