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mmc: add a card-event host operation 

Some hosts need to perform additional actions upon card insertion or
ejection. Add a host operation to be called from card detection handlers.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Guennadi Liakhovetski 2012-12-04 16:51:32 +01:00 committed by Chris Ball
parent 4577f77ba7
commit 9f1fb60a23
1 changed files with 1 additions and 0 deletions
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include/linux/mmc/host.h
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@ -136,6 +136,7 @@ struct mmc_host_ops {
void (*enable_preset_value)(struct mmc_host *host, bool enable); void (*enable_preset_value)(struct mmc_host *host, bool enable);
int (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv); int (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv);
void (*hw_reset)(struct mmc_host *host); void (*hw_reset)(struct mmc_host *host);
void (*card_event)(struct mmc_host *host);
}; };
struct mmc_card; struct mmc_card;