linux_dsm_epyc7002/drivers/clk/loongson1/clk.c

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2012-2016 Zhang, Keguang <keguang.zhang@gmail.com>
*/
#include <linux/clk-provider.h>
#include <linux/slab.h>
#include "clk.h"
struct clk_hw *__init clk_hw_register_pll(struct device *dev,
const char *name,
const char *parent_name,
const struct clk_ops *ops,
unsigned long flags)
{
int ret;
struct clk_hw *hw;
struct clk_init_data init;
/* allocate the divider */
hw = kzalloc(sizeof(*hw), GFP_KERNEL);
if (!hw)
return ERR_PTR(-ENOMEM);
init.name = name;
init.ops = ops;
init.flags = flags;
init.parent_names = parent_name ? &parent_name : NULL;
init.num_parents = parent_name ? 1 : 0;
hw->init = &init;
/* register the clock */
ret = clk_hw_register(dev, hw);
if (ret) {
kfree(hw);
hw = ERR_PTR(ret);
}
return hw;
}