LXR linux/include/linux/mmc/pm.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * linux/include/linux/mmc/pm.h
   4 *
   5 * Author:      Nicolas Pitre
   6 * Copyright:   (C) 2009 Marvell Technology Group Ltd.
   7 */
   8
   9#ifndef LINUX_MMC_PM_H
  10#define LINUX_MMC_PM_H
  11
  12/*
  13 * These flags are used to describe power management features that
  14 * some cards (typically SDIO cards) might wish to benefit from when
  15 * the host system is being suspended.  There are several layers of
  16 * abstractions involved, from the host controller driver, to the MMC core
  17 * code, to the SDIO core code, to finally get to the actual SDIO function
  18 * driver.  This file is therefore used for common definitions shared across
  19 * all those layers.
  20 */
  21
  22typedef unsigned int mmc_pm_flag_t;
  23
  24#define MMC_PM_KEEP_POWER       (1 << 0)        /* preserve card power during suspend */
  25#define MMC_PM_WAKE_SDIO_IRQ    (1 << 1)        /* wake up host system on SDIO IRQ assertion */
  26
  27#endif /* LINUX_MMC_PM_H */
  28