redonkable/alistair23-linux
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mmc: sdhci: add card_event callback to sdhci

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Add a card_event callback to sdhci so that clients can provide their
own card_event to be called when card_detect is triggered.

Signed-off-by: Christian Daudt <csd@broadcom.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Christian Daudt 2013-06-20 14:26:36 -07:00 committed by Chris Ball
parent 203bb5af65
commit 722e1280c9
2 changed files with 5 additions and 0 deletions
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4
drivers/mmc/host/sdhci.c
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@ -2062,6 +2062,10 @@ static void sdhci_card_event(struct mmc_host *mmc)
struct sdhci_host *host = mmc_priv(mmc);
unsigned long flags;
/* First check if client has provided their own card event */
if (host->ops->card_event)
host->ops->card_event(host);
spin_lock_irqsave(&host->lock, flags);
/* Check host->mrq first in case we are runtime suspended */

1
drivers/mmc/host/sdhci.h
View file

@ -294,6 +294,7 @@ struct sdhci_ops {
void (*platform_resume)(struct sdhci_host *host);
void (*adma_workaround)(struct sdhci_host *host, u32 intmask);
void (*platform_init)(struct sdhci_host *host);
void (*card_event)(struct sdhci_host *host);
};
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS