drivers/clk/uniphier/clk-uniphier-fixed-rate.c

root/drivers/clk/uniphier/clk-uniphier-fixed-rate.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2016 Socionext Inc.
 *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
 */

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

#include "clk-uniphier.h"

struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev,
                                                const char *name,
                                const struct uniphier_clk_fixed_rate_data *data)
{
        struct clk_fixed_rate *fixed;
        struct clk_init_data init;
        int ret;

        /* allocate fixed-rate clock */
        fixed = devm_kzalloc(dev, sizeof(*fixed), GFP_KERNEL);
        if (!fixed)
                return ERR_PTR(-ENOMEM);

        init.name = name;
        init.ops = &clk_fixed_rate_ops;
        init.flags = 0;
        init.parent_names = NULL;
        init.num_parents = 0;

        fixed->fixed_rate = data->fixed_rate;
        fixed->hw.init = &init;

        ret = devm_clk_hw_register(dev, &fixed->hw);
        if (ret)
                return ERR_PTR(ret);

        return &fixed->hw;
}
Linux
