From 17b759aff916b4d02721e75ce5ed82b1903e5bd6 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Tue, 24 Jul 2007 02:09:39 -0400 Subject: sdio: add interface for host side SDIO interrupt reporting Signed-off-by: Nicolas Pitre Signed-off-by: Pierre Ossman --- drivers/mmc/core/host.c | 3 +++ drivers/mmc/core/sdio_irq.c | 8 +++++++- 2 files changed, 10 insertions(+), 1 deletion(-) (limited to 'drivers/mmc') diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 2c7ce8f43a9..37b761891d6 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -100,6 +100,9 @@ int mmc_add_host(struct mmc_host *host) { int err; + WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) && + !host->ops->enable_sdio_irq); + if (!idr_pre_get(&mmc_host_idr, GFP_KERNEL)) return -ENOMEM; diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c index 01922d29241..01daee934d1 100644 --- a/drivers/mmc/core/sdio_irq.c +++ b/drivers/mmc/core/sdio_irq.c @@ -70,7 +70,8 @@ static int sdio_irq_thread(void *_host) * asynchronous notification of pending SDIO card interrupts * hence we poll for them in that case. */ - period = msecs_to_jiffies(10); + period = (host->caps & MMC_CAP_SDIO_IRQ) ? + MAX_SCHEDULE_TIMEOUT : msecs_to_jiffies(10); pr_debug("%s: IRQ thread started (poll period = %lu jiffies)\n", mmc_hostname(host), period); @@ -104,11 +105,16 @@ static int sdio_irq_thread(void *_host) ssleep(1); set_task_state(current, TASK_INTERRUPTIBLE); + if (host->caps & MMC_CAP_SDIO_IRQ) + host->ops->enable_sdio_irq(host, 1); if (!kthread_should_stop()) schedule_timeout(period); set_task_state(current, TASK_RUNNING); } while (!kthread_should_stop()); + if (host->caps & MMC_CAP_SDIO_IRQ) + host->ops->enable_sdio_irq(host, 0); + pr_debug("%s: IRQ thread exiting with code %d\n", mmc_hostname(host), ret); -- cgit v1.2.3