summaryrefslogtreecommitdiffstats
path: root/drivers/mtd/maps/physmap-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/maps/physmap-core.c')
-rw-r--r--drivers/mtd/maps/physmap-core.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/mtd/maps/physmap-core.c b/drivers/mtd/maps/physmap-core.c
index a9f7964e2edb..8f7f966fa9a7 100644
--- a/drivers/mtd/maps/physmap-core.c
+++ b/drivers/mtd/maps/physmap-core.c
@@ -38,6 +38,7 @@
#include <linux/mtd/cfi_endian.h>
#include <linux/io.h>
#include <linux/of_device.h>
+#include <linux/pm_runtime.h>
#include <linux/gpio/consumer.h>
#include "physmap-gemini.h"
@@ -64,16 +65,16 @@ static int physmap_flash_remove(struct platform_device *dev)
{
struct physmap_flash_info *info;
struct physmap_flash_data *physmap_data;
- int i, err;
+ int i, err = 0;
info = platform_get_drvdata(dev);
if (!info)
- return 0;
+ goto out;
if (info->cmtd) {
err = mtd_device_unregister(info->cmtd);
if (err)
- return err;
+ goto out;
if (info->cmtd != info->mtds[0])
mtd_concat_destroy(info->cmtd);
@@ -88,7 +89,10 @@ static int physmap_flash_remove(struct platform_device *dev)
if (physmap_data && physmap_data->exit)
physmap_data->exit(dev);
- return 0;
+out:
+ pm_runtime_put(&dev->dev);
+ pm_runtime_disable(&dev->dev);
+ return err;
}
static void physmap_set_vpp(struct map_info *map, int state)
@@ -484,13 +488,19 @@ static int physmap_flash_probe(struct platform_device *dev)
return -EINVAL;
}
+ pm_runtime_enable(&dev->dev);
+ pm_runtime_get_sync(&dev->dev);
+
if (dev->dev.of_node)
err = physmap_flash_of_init(dev);
else
err = physmap_flash_pdata_init(dev);
- if (err)
+ if (err) {
+ pm_runtime_put(&dev->dev);
+ pm_runtime_disable(&dev->dev);
return err;
+ }
for (i = 0; i < info->nmaps; i++) {
struct resource *res;