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 
22 typedef 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