diff options
| -rw-r--r-- | drivers/mmc/core/sdio.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/core/sdio_irq.c | 11 | ||||
| -rw-r--r-- | include/linux/mmc/host.h | 2 |
3 files changed, 10 insertions, 5 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 2c7c83f832d2..13d0e95380ab 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -947,7 +947,7 @@ 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 f573e7f9f740..3d8ceb4084de 100644 --- a/drivers/mmc/core/sdio_irq.c +++ b/drivers/mmc/core/sdio_irq.c @@ -28,18 +28,20 @@ #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; } @@ -116,7 +118,8 @@ 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 cbde4b7e675e..0707d228d7f1 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -297,6 +297,7 @@ 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 */ @@ -352,6 +353,7 @@ extern int mmc_cache_ctrl(struct mmc_host *, u8); 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); } |