LXR linux/drivers/mmc/core/host.h

   1/*
   2 *  linux/drivers/mmc/core/host.h
   3 *
   4 *  Copyright (C) 2003 Russell King, All Rights Reserved.
   5 *  Copyright 2007 Pierre Ossman
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 as
   9 * published by the Free Software Foundation.
  10 */
  11#ifndef _MMC_CORE_HOST_H
  12#define _MMC_CORE_HOST_H
  13#include <linux/mmc/host.h>
  14
  15int mmc_register_host_class(void);
  16void mmc_unregister_host_class(void);
  17
  18#ifdef CONFIG_MMC_CLKGATE
  19void mmc_host_clk_hold(struct mmc_host *host);
  20void mmc_host_clk_release(struct mmc_host *host);
  21unsigned int mmc_host_clk_rate(struct mmc_host *host);
  22
  23#else
  24static inline void mmc_host_clk_hold(struct mmc_host *host)
  25{
  26}
  27
  28static inline void mmc_host_clk_release(struct mmc_host *host)
  29{
  30}
  31
  32static inline unsigned int mmc_host_clk_rate(struct mmc_host *host)
  33{
  34        return host->ios.clock;
  35}
  36#endif
  37
  38void mmc_host_deeper_disable(struct work_struct *work);
  39
  40#endif
  41
  42