mmc: fix all hangs related to mmc/sd card insert/removal during suspend/resume
[pandora-kernel.git] / drivers / mmc / core / host.c
index 4735390..0efe631 100644 (file)
@@ -17,6 +17,7 @@
 #include <linux/pagemap.h>
 #include <linux/leds.h>
 #include <linux/slab.h>
+#include <linux/suspend.h>
 
 #include <linux/mmc/host.h>
 
@@ -85,6 +86,7 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
        init_waitqueue_head(&host->wq);
        INIT_DELAYED_WORK(&host->detect, mmc_rescan);
        INIT_DELAYED_WORK_DEFERRABLE(&host->disable, mmc_host_deeper_disable);
+       host->pm_notify.notifier_call = mmc_pm_notify;
 
        /*
         * By default, hosts do not support SGIO or large requests.
@@ -133,6 +135,7 @@ int mmc_add_host(struct mmc_host *host)
 #endif
 
        mmc_start_host(host);
+       register_pm_notifier(&host->pm_notify);
 
        return 0;
 }
@@ -149,6 +152,7 @@ EXPORT_SYMBOL(mmc_add_host);
  */
 void mmc_remove_host(struct mmc_host *host)
 {
+       unregister_pm_notifier(&host->pm_notify);
        mmc_stop_host(host);
 
 #ifdef CONFIG_DEBUG_FS