From 81968561bd69536c82be7ee654b04c68cd3e1746 Mon Sep 17 00:00:00 2001
From: Ohad Ben-Cohen <ohad@wizery.com>
Date: Sat, 2 Oct 2010 13:54:10 +0200
Subject: mmc: sdio: enable runtime PM for SDIO cards

Enable runtime PM for new SDIO cards.

As soon as the card will be added to the device tree, runtime PM core
will release its power, since it doesn't have any users yet.

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Tested-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/core/sdio.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'drivers/mmc/core')

diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index f17e0e0..0dbd6fe 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/err.h>
+#include <linux/pm_runtime.h>
 
 #include <linux/mmc/host.h>
 #include <linux/mmc/card.h>
@@ -708,6 +709,18 @@ int mmc_attach_sdio(struct mmc_host *host, u32 ocr)
 	card = host->card;
 
 	/*
+	 * Let runtime PM core know our card is active
+	 */
+	err = pm_runtime_set_active(&card->dev);
+	if (err)
+		goto remove;
+
+	/*
+	 * Enable runtime PM for this card
+	 */
+	pm_runtime_enable(&card->dev);
+
+	/*
 	 * The number of functions on the card is encoded inside
 	 * the ocr.
 	 */
-- 
cgit v1.1