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sdio: core support for SDIO function interrupt

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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 2007-06-30 16:29:41 +02:00 • committed by Pierre Ossman
parent 2342f3323c
commit d1496c39e5
5 changed files with 257 additions and 1 deletions
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7
include/linux/mmc/sdio_func.h
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@ -16,6 +16,9 @@
#include <linux/mod_devicetable.h>
struct mmc_card;
struct sdio_func;
typedef void (sdio_irq_handler_t)(struct sdio_func *);
/*
* SDIO function CIS tuple (unknown to the core)
@ -33,6 +36,7 @@ struct sdio_func_tuple {
struct sdio_func {
struct mmc_card *card; /* the card this device belongs to */
struct device dev; /* the device */
sdio_irq_handler_t *irq_handler; /* IRQ callback */
unsigned int num; /* function number */
unsigned char class; /* standard interface class */
@ -105,6 +109,9 @@ extern void sdio_release_host(struct sdio_func *func);
extern int sdio_enable_func(struct sdio_func *func);
extern int sdio_disable_func(struct sdio_func *func);
extern int sdio_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler);
extern int sdio_release_irq(struct sdio_func *func);
extern unsigned char sdio_readb(struct sdio_func *func,
unsigned int addr, int *err_ret);