diff options
| author | Nicolas Pitre <nico@cam.org> | 2007-07-24 10:09:39 +0400 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-09-23 23:13:08 +0400 |
| commit | 17b759aff916b4d02721e75ce5ed82b1903e5bd6 (patch) | |
| tree | eef4463cbc556e7ae4bd78dba0e6acd861b283c3 /drivers/mmc | |
| parent | 112c9db91ee6bf19eca7cbb6854be3127381c229 (diff) | |
| download | linux-17b759aff916b4d02721e75ce5ed82b1903e5bd6.tar.xz | |
sdio: add interface for host side SDIO interrupt reporting
Signed-off-by: Nicolas Pitre <npitre@mvista.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/host.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/core/sdio_irq.c | 8 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 2c7ce8f43a9a..37b761891d67 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 01922d29241d..01daee934d16 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); |