mtd: introduce mtd_resume interface

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index b7f0cd1..d94cc62 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -192,7 +192,7 @@
 	for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++)
 		if (info->mtd[i]->suspend && info->mtd[i]->resume)
 			if (mtd_suspend(info->mtd[i]) == 0)
-				info->mtd[i]->resume(info->mtd[i]);
+				mtd_resume(info->mtd[i]);
 }
 #else
 #define physmap_flash_shutdown NULL
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index 9cb4273..436d121 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -126,7 +126,7 @@
 	struct pxa2xx_flash_info *info = platform_get_drvdata(dev);
 
 	if (info && mtd_suspend(info->mtd) == 0)
-		info->mtd->resume(info->mtd);
+		mtd_resume(info->mtd);
 }
 #else
 #define pxa2xx_flash_shutdown NULL
diff --git a/drivers/mtd/maps/rbtx4939-flash.c b/drivers/mtd/maps/rbtx4939-flash.c
index 5856aa2..7176283 100644
--- a/drivers/mtd/maps/rbtx4939-flash.c
+++ b/drivers/mtd/maps/rbtx4939-flash.c
@@ -121,7 +121,7 @@
 
 	if (info->mtd->suspend && info->mtd->resume)
 		if (mtd_suspend(info->mtd) == 0)
-			info->mtd->resume(info->mtd);
+			mtd_resume(info->mtd);
 }
 #else
 #define rbtx4939_flash_shutdown NULL
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index 20944f0..5028219 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -378,7 +378,7 @@
 {
 	struct sa_info *info = platform_get_drvdata(dev);
 	if (info && mtd_suspend(info->mtd) == 0)
-		info->mtd->resume(info->mtd);
+		mtd_resume(info->mtd);
 }
 #else
 #define sa1100_mtd_shutdown NULL