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sdio: add interface for host side SDIO interrupt reporting

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Signed-off-by: Nicolas Pitre <npitre@mvista.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Nicolas Pitre 2007-07-24 02:09:39 -04:00 • committed by Pierre Ossman
parent 112c9db91e
commit 17b759aff9
3 changed files with 18 additions and 1 deletions
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8
include/linux/mmc/host.h
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@ -51,6 +51,7 @@ struct mmc_host_ops {
void (*request)(struct mmc_host *host, struct mmc_request *req);
void (*set_ios)(struct mmc_host *host, struct mmc_ios *ios);
int (*get_ro)(struct mmc_host *host);
void (*enable_sdio_irq)(struct mmc_host *host, int enable);
};
struct mmc_card;
@ -89,6 +90,7 @@ struct mmc_host {
#define MMC_CAP_MULTIWRITE (1 << 1) /* Can accurately report bytes sent to card on error */
#define MMC_CAP_MMC_HIGHSPEED (1 << 2) /* Can do MMC high-speed timing */
#define MMC_CAP_SD_HIGHSPEED (1 << 3) /* Can do SD high-speed timing */
#define MMC_CAP_SDIO_IRQ (1 << 4) /* Can signal pending SDIO IRQs */
/* host specific block data */
unsigned int max_seg_size; /* see blk_queue_max_segment_size */
@ -150,5 +152,11 @@ extern int mmc_resume_host(struct mmc_host *);
extern void mmc_detect_change(struct mmc_host *, unsigned long delay);
extern void mmc_request_done(struct mmc_host *, struct mmc_request *);
static inline void mmc_signal_sdio_irq(struct mmc_host *host)
{
host->ops->enable_sdio_irq(host, 0);
wake_up_process(host->sdio_irq_thread);
}
#endif