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path: root/drivers/mtd/maps/physmap.c
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Diffstat (limited to 'drivers/mtd/maps/physmap.c')
-rw-r--r--drivers/mtd/maps/physmap.c36
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 433c3cac3ca..bc7cc71788b 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -18,7 +18,6 @@
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
-#include <linux/config.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <asm/io.h>
@@ -159,9 +158,42 @@ err_out:
return err;
}
+#ifdef CONFIG_PM
+static int physmap_flash_suspend(struct platform_device *dev, pm_message_t state)
+{
+ struct physmap_flash_info *info = platform_get_drvdata(dev);
+ int ret = 0;
+
+ if (info)
+ ret = info->mtd->suspend(info->mtd);
+
+ return ret;
+}
+
+static int physmap_flash_resume(struct platform_device *dev)
+{
+ struct physmap_flash_info *info = platform_get_drvdata(dev);
+ if (info)
+ info->mtd->resume(info->mtd);
+ return 0;
+}
+
+static void physmap_flash_shutdown(struct platform_device *dev)
+{
+ struct physmap_flash_info *info = platform_get_drvdata(dev);
+ if (info && info->mtd->suspend(info->mtd) == 0)
+ info->mtd->resume(info->mtd);
+}
+#endif
+
static struct platform_driver physmap_flash_driver = {
.probe = physmap_flash_probe,
.remove = physmap_flash_remove,
+#ifdef CONFIG_PM
+ .suspend = physmap_flash_suspend,
+ .resume = physmap_flash_resume,
+ .shutdown = physmap_flash_shutdown,
+#endif
.driver = {
.name = "physmap-flash",
},
@@ -182,7 +214,7 @@ static struct physmap_flash_data physmap_flash_data = {
static struct resource physmap_flash_resource = {
.start = CONFIG_MTD_PHYSMAP_START,
- .end = CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN,
+ .end = CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN - 1,
.flags = IORESOURCE_MEM,
};