f05373ec0f
With igore pm notify feature, MMC core will not re-detect card
after system suspend/resume. This is needed for some special cards
like Broadcom WiFi which can't work propertly on card re-detect
after system resume.
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
(cherry picked from commit 3a4a074d2e)
32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
/*
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* linux/include/linux/mmc/pm.h
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*
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* Author: Nicolas Pitre
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* Copyright: (C) 2009 Marvell Technology Group Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef LINUX_MMC_PM_H
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#define LINUX_MMC_PM_H
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/*
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* These flags are used to describe power management features that
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* some cards (typically SDIO cards) might wish to benefit from when
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* the host system is being suspended. There are several layers of
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* abstractions involved, from the host controller driver, to the MMC core
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* code, to the SDIO core code, to finally get to the actual SDIO function
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* driver. This file is therefore used for common definitions shared across
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* all those layers.
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*/
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typedef unsigned int mmc_pm_flag_t;
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#define MMC_PM_KEEP_POWER (1 << 0) /* preserve card power during suspend */
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#define MMC_PM_WAKE_SDIO_IRQ (1 << 1) /* wake up host system on SDIO IRQ assertion */
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#define MMC_PM_IGNORE_PM_NOTIFY (1 << 2) /* ignore mmc pm notify */
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#endif /* LINUX_MMC_PM_H */
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