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-rw-r--r--drivers/mmc/core/sdio.c2
-rw-r--r--drivers/mmc/core/sdio_irq.c11
-rw-r--r--include/linux/mmc/host.h2
3 files changed, 10 insertions, 5 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index ac492ac..9b18b54 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -665,7 +665,7 @@ static int mmc_sdio_resume(struct mmc_host *host)
}
if (!err && host->sdio_irqs)
- mmc_signal_sdio_irq(host);
+ wake_up_process(host->sdio_irq_thread);
mmc_release_host(host);
/*
diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
index 03ead02..d58ae91 100644
--- a/drivers/mmc/core/sdio_irq.c
+++ b/drivers/mmc/core/sdio_irq.c
@@ -27,18 +27,20 @@
#include "sdio_ops.h"
-static int process_sdio_pending_irqs(struct mmc_card *card)
+static int process_sdio_pending_irqs(struct mmc_host *host)
{
+ struct mmc_card *card = host->card;
int i, ret, count;
unsigned char pending;
struct sdio_func *func;
/*
* Optimization, if there is only 1 function interrupt registered
- * call irq handler directly
+ * and we know an IRQ was signaled then call irq handler directly.
+ * Otherwise do the full probe.
*/
func = card->sdio_single_irq;
- if (func) {
+ if (func && host->sdio_irq_pending) {
func->irq_handler(func);
return 1;
}
@@ -115,7 +117,8 @@ static int sdio_irq_thread(void *_host)
ret = __mmc_claim_host(host, &host->sdio_irq_thread_abort);
if (ret)
break;
- ret = process_sdio_pending_irqs(host->card);
+ ret = process_sdio_pending_irqs(host);
+ host->sdio_irq_pending = false;
mmc_release_host(host);
/*
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 1ee4424..f8d1e74 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -267,6 +267,7 @@ struct mmc_host {
unsigned int sdio_irqs;
struct task_struct *sdio_irq_thread;
+ bool sdio_irq_pending;
atomic_t sdio_irq_thread_abort;
mmc_pm_flag_t pm_flags; /* requested pm features */
@@ -312,6 +313,7 @@ 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);
+ host->sdio_irq_pending = true;
wake_up_process(host->sdio_irq_thread);
}