linux/drivers/clk/clk-bulk.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright 2017 NXP
 *
 * Dong Aisheng <[email protected]>
 */

#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/device.h>
#include <linux/export.h>
#include <linux/of.h>
#include <linux/slab.h>

static int __must_check of_clk_bulk_get(struct device_node *np, int num_clks,
					struct clk_bulk_data *clks)
{ … }

static int __must_check of_clk_bulk_get_all(struct device_node *np,
					    struct clk_bulk_data **clks)
{ … }

void clk_bulk_put(int num_clks, struct clk_bulk_data *clks)
{ … }
EXPORT_SYMBOL_GPL(…);

static int __clk_bulk_get(struct device *dev, int num_clks,
			  struct clk_bulk_data *clks, bool optional)
{ … }

int __must_check clk_bulk_get(struct device *dev, int num_clks,
			      struct clk_bulk_data *clks)
{ … }
EXPORT_SYMBOL(…);

int __must_check clk_bulk_get_optional(struct device *dev, int num_clks,
				       struct clk_bulk_data *clks)
{ … }
EXPORT_SYMBOL_GPL(…);

void clk_bulk_put_all(int num_clks, struct clk_bulk_data *clks)
{ … }
EXPORT_SYMBOL(…);

int __must_check clk_bulk_get_all(struct device *dev,
				  struct clk_bulk_data **clks)
{ … }
EXPORT_SYMBOL(…);

#ifdef CONFIG_HAVE_CLK_PREPARE

/**
 * clk_bulk_unprepare - undo preparation of a set of clock sources
 * @num_clks: the number of clk_bulk_data
 * @clks: the clk_bulk_data table being unprepared
 *
 * clk_bulk_unprepare may sleep, which differentiates it from clk_bulk_disable.
 * Returns 0 on success, -EERROR otherwise.
 */
void clk_bulk_unprepare(int num_clks, const struct clk_bulk_data *clks)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * clk_bulk_prepare - prepare a set of clocks
 * @num_clks: the number of clk_bulk_data
 * @clks: the clk_bulk_data table being prepared
 *
 * clk_bulk_prepare may sleep, which differentiates it from clk_bulk_enable.
 * Returns 0 on success, -EERROR otherwise.
 */
int __must_check clk_bulk_prepare(int num_clks,
				  const struct clk_bulk_data *clks)
{ … }
EXPORT_SYMBOL_GPL(…);

#endif /* CONFIG_HAVE_CLK_PREPARE */

/**
 * clk_bulk_disable - gate a set of clocks
 * @num_clks: the number of clk_bulk_data
 * @clks: the clk_bulk_data table being gated
 *
 * clk_bulk_disable must not sleep, which differentiates it from
 * clk_bulk_unprepare. clk_bulk_disable must be called before
 * clk_bulk_unprepare.
 */
void clk_bulk_disable(int num_clks, const struct clk_bulk_data *clks)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * clk_bulk_enable - ungate a set of clocks
 * @num_clks: the number of clk_bulk_data
 * @clks: the clk_bulk_data table being ungated
 *
 * clk_bulk_enable must not sleep
 * Returns 0 on success, -EERROR otherwise.
 */
int __must_check clk_bulk_enable(int num_clks, const struct clk_bulk_data *clks)
{ … }
EXPORT_SYMBOL_GPL(…);