linuxdebug/include/linux/mmc/pm.h

28 lines
900 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/include/linux/mmc/pm.h
*
* Author: Nicolas Pitre
* Copyright: (C) 2009 Marvell Technology Group Ltd.
*/
#ifndef LINUX_MMC_PM_H
#define LINUX_MMC_PM_H
/*
* These flags are used to describe power management features that
* some cards (typically SDIO cards) might wish to benefit from when
* the host system is being suspended. There are several layers of
* abstractions involved, from the host controller driver, to the MMC core
* code, to the SDIO core code, to finally get to the actual SDIO function
* driver. This file is therefore used for common definitions shared across
* all those layers.
*/
typedef unsigned int mmc_pm_flag_t;
#define MMC_PM_KEEP_POWER (1 << 0) /* preserve card power during suspend */
#define MMC_PM_WAKE_SDIO_IRQ (1 << 1) /* wake up host system on SDIO IRQ assertion */
#endif /* LINUX_MMC_PM_H */