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