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>
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 @@
* 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 @@
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);