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-rw-r--r--drivers/mmc/core/host.c3
-rw-r--r--drivers/mmc/core/sdio_irq.c8
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 2c7ce8f..37b7618 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 01922d2..01daee9 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);
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