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| author | Nicolas Pitre <nico@cam.org> | 2007-06-30 16:29:41 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-09-23 21:01:33 +0200 |
| commit | d1496c39e500857b8949cdb91af24e0eb8aae4d0 (patch) | |
| tree | 020ef1ee2fefc2000e07d47ff4d7bf3d0a0ebf5e /include/linux/mmc | |
| parent | 2342f3323c9a76367a1d7f9a35525ee3cb3911df (diff) | |
| download | kernel-crypto-d1496c39e500857b8949cdb91af24e0eb8aae4d0.tar.gz kernel-crypto-d1496c39e500857b8949cdb91af24e0eb8aae4d0.tar.xz kernel-crypto-d1496c39e500857b8949cdb91af24e0eb8aae4d0.zip | |
sdio: core support for SDIO function interrupt
Signed-off-by: Nicolas Pitre <npitre@mvista.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/host.h | 4 | ||||
| -rw-r--r-- | include/linux/mmc/sdio_func.h | 7 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 8e2642ebf02..00dc1809494 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -123,6 +123,10 @@ struct mmc_host { unsigned int bus_refs; /* reference counter */ unsigned int bus_dead:1; /* bus has been released */ + unsigned int sdio_irqs; + struct task_struct *sdio_irq_thread; + atomic_t sdio_irq_thread_abort; + unsigned long private[0] ____cacheline_aligned; }; diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h index 8106d399c41..a8d268c9c27 100644 --- a/include/linux/mmc/sdio_func.h +++ b/include/linux/mmc/sdio_func.h @@ -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); |