mmc: extend the slot-gpio card-detection to use host's .card_event() …

…method The slot-gpio API provides a generic card-detection handler. To support a wider range of hosts it has to call the host's card-event callback, if implemented. Also increase the debounce interval to 200ms to match the SDHCI driver. Signed-off-by: Guennadi Liakhovetski <[email protected]> Reviewed-by: Shawn Guo <[email protected]> Signed-off-by: Chris Ball <[email protected]>
freevanx · Dec 7, 2012 · 451c895 · 451c895
1 parent 9f1fb60
commit 451c895
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
@@ -27,7 +27,13 @@ struct mmc_gpio {
 static irqreturn_t mmc_gpio_cd_irqt(int irq, void *dev_id)
 {
 	/* Schedule a card detection after a debounce timeout */
-	mmc_detect_change(dev_id, msecs_to_jiffies(100));
+	struct mmc_host *host = dev_id;
+
+	if (host->ops->card_event)
+		host->ops->card_event(host);
+
+	mmc_detect_change(host, msecs_to_jiffies(200));
+
 	return IRQ_HANDLED;
 }