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Commit 6fc8bec2 authored by Dmitry Shmidt's avatar Dmitry Shmidt
Browse files

ANDROID: mmc: Add "ignore mmc pm notify" functionality 



Change-Id: I20821a82831b07ca037973d5d92e832372c6b583
Signed-off-by: default avatarDmitry Shmidt <dimitrysh@google.com>
parent 6ddb84e5

drivers/mmc/core/host.c

+4 −2
Original line number Diff line number Diff line
@@ -431,6 +431,7 @@ int mmc_add_host(struct mmc_host *host) 
#endif



	mmc_start_host(host);

	if (!(host->pm_flags & MMC_PM_IGNORE_PM_NOTIFY))

		mmc_register_pm_notifier(host);



	return 0;
@@ -448,6 +449,7 @@ EXPORT_SYMBOL(mmc_add_host); 
 */

void mmc_remove_host(struct mmc_host *host)

{

	if (!(host->pm_flags & MMC_PM_IGNORE_PM_NOTIFY))

		mmc_unregister_pm_notifier(host);

	mmc_stop_host(host);

include/linux/mmc/pm.h

+1 −0
Original line number Diff line number Diff line
@@ -26,5 +26,6 @@ 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 */

#define MMC_PM_IGNORE_PM_NOTIFY	(1 << 2)	/* ignore mmc pm notify */



#endif /* LINUX_MMC_PM_H */