Merge tag 'arc-4.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
[linux-2.6-block.git] / drivers / mmc / core / pwrseq.h
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1/*
2 * Copyright (C) 2014 Linaro Ltd
3 *
4 * Author: Ulf Hansson <ulf.hansson@linaro.org>
5 *
6 * License terms: GNU General Public License (GPL) version 2
7 */
8#ifndef _MMC_CORE_PWRSEQ_H
9#define _MMC_CORE_PWRSEQ_H
10
11struct mmc_pwrseq_ops {
12 void (*pre_power_on)(struct mmc_host *host);
13 void (*post_power_on)(struct mmc_host *host);
14 void (*power_off)(struct mmc_host *host);
15 void (*free)(struct mmc_host *host);
16};
17
18struct mmc_pwrseq {
ffedbd22 19 const struct mmc_pwrseq_ops *ops;
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20};
21
22#ifdef CONFIG_OF
23
24int mmc_pwrseq_alloc(struct mmc_host *host);
25void mmc_pwrseq_pre_power_on(struct mmc_host *host);
26void mmc_pwrseq_post_power_on(struct mmc_host *host);
27void mmc_pwrseq_power_off(struct mmc_host *host);
28void mmc_pwrseq_free(struct mmc_host *host);
29
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30struct mmc_pwrseq *mmc_pwrseq_simple_alloc(struct mmc_host *host,
31 struct device *dev);
32struct mmc_pwrseq *mmc_pwrseq_emmc_alloc(struct mmc_host *host,
33 struct device *dev);
8c96f89c 34
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35#else
36
37static inline int mmc_pwrseq_alloc(struct mmc_host *host) { return 0; }
38static inline void mmc_pwrseq_pre_power_on(struct mmc_host *host) {}
39static inline void mmc_pwrseq_post_power_on(struct mmc_host *host) {}
40static inline void mmc_pwrseq_power_off(struct mmc_host *host) {}
41static inline void mmc_pwrseq_free(struct mmc_host *host) {}
42
43#endif
44
45#endif