diff options
Diffstat (limited to 'include/linux/mmc/pm.h')
-rw-r--r-- | include/linux/mmc/pm.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/mmc/pm.h b/include/linux/mmc/pm.h new file mode 100644 index 000000000..3549f8045 --- /dev/null +++ b/include/linux/mmc/pm.h @@ -0,0 +1,27 @@ +/* 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 */ |