[PATCH v3 1/6] clk: qcom: Add support for GDSCs

Rajendra Nayak rnayak at codeaurora.org
Mon Mar 23 20:10:13 PDT 2015


On 03/24/2015 04:53 AM, Stephen Boyd wrote:
> On 03/20, Rajendra Nayak wrote:
>> []...
>>>>> @@ -0,0 +1,46 @@
>>>>> +/*
>>>>> + * Copyright (c) 2015, The Linux Foundation. All rights reserved.
>>>>> + *
>>>>> + * This program is free software; you can redistribute it and/or modify
>>>>> + * it under the terms of the GNU General Public License version 2 and
>>>>> + * only version 2 as published by the Free Software Foundation.
>>>>> + *
>>>>> + * This program is distributed in the hope that it will be useful,
>>>>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>>>>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>>>>> + * GNU General Public License for more details.
>>>>> + */
>>>>> +
>>>>> +#ifndef __QCOM_GDSC_H__
>>>>> +#define __QCOM_GDSC_H__
>>>>> +
>>>>> +#include <linux/pm_domain.h>
>>>>> +
>>>>> +struct regmap;
>>
>> I realized, after Srini pointed out on irc that this fwd declaration
>> is a complete waste. I'll remove it when I do a repost.
>>
>
> Why? It's there so that struct regmap is declared instead of
> being declared inside struct gdsc.

ah, sorry. I completely overlooked the fact that there isn;t a
#include <linux/regmap.h>

>
>>>>> +
>>>>> +/**
>>>>> + * struct gdsc - Globally Distributed Switch Controller
>>>>> + * @pd: generic power domain
>>>>> + * @regmap: regmap for MMIO accesses
>>>>> + * @gdscr: gsdc control register
>>>>> + */
>>>>> +struct gdsc {
>>>>> +    struct generic_pm_domain    pd;
>>>>> +    struct regmap            *regmap;
>>>>> +    unsigned int            gdscr;
>>>>> +};
>>>>> +
>>>>> +#define domain_to_gdsc(domain) container_of(domain, struct gdsc, pd)
>>>>> +
>>>>> +#ifdef CONFIG_QCOM_GDSC
>>>>> +int gdsc_register(struct device *, struct gdsc **, size_t n, struct
>>>>> regmap *);
>>>>> +void gdsc_unregister(struct device *);
>>>>> +#else
>>>>> +int gdsc_register(struct device *d, struct gdsc **g, size_t n, struct
>>>>> regmap *r)
>

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