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authorLars-Peter Clausen <lars@metafoo.de>2015-04-06 12:00:39 +0200
committerBrian Norris <computersforpeace@gmail.com>2015-05-07 00:18:22 -0700
commit57b8045d13569b7d8a1861bd61b7b664e417f7bc (patch)
tree4b074b7e9418d79e432b79b88db8a939467048a5 /drivers/mtd/mtdcore.c
parentb94665322b786a806a0169752ff2f35f3f467b99 (diff)
mtd: Switch to PM ops
Use dev_pm_ops instead of the legacy suspend/resume callbacks for the MTD class suspend and resume operations. While we are at it slightly reorder things to avoid the need for forward declarations. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/mtdcore.c')
-rw-r--r--drivers/mtd/mtdcore.c44
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index d172195fbd15..f3ca97f139bc 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -48,14 +48,34 @@
static struct backing_dev_info mtd_bdi = {
};
-static int mtd_cls_suspend(struct device *dev, pm_message_t state);
-static int mtd_cls_resume(struct device *dev);
+#ifdef CONFIG_PM_SLEEP
+
+static int mtd_cls_suspend(struct device *dev)
+{
+ struct mtd_info *mtd = dev_get_drvdata(dev);
+
+ return mtd ? mtd_suspend(mtd) : 0;
+}
+
+static int mtd_cls_resume(struct device *dev)
+{
+ struct mtd_info *mtd = dev_get_drvdata(dev);
+
+ if (mtd)
+ mtd_resume(mtd);
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(mtd_cls_pm_ops, mtd_cls_suspend, mtd_cls_resume);
+#define MTD_CLS_PM_OPS (&mtd_cls_pm_ops)
+#else
+#define MTD_CLS_PM_OPS NULL
+#endif
static struct class mtd_class = {
.name = "mtd",
.owner = THIS_MODULE,
- .suspend = mtd_cls_suspend,
- .resume = mtd_cls_resume,
+ .pm = MTD_CLS_PM_OPS,
};
static DEFINE_IDR(mtd_idr);
@@ -88,22 +108,6 @@ static void mtd_release(struct device *dev)
device_destroy(&mtd_class, index + 1);
}
-static int mtd_cls_suspend(struct device *dev, pm_message_t state)
-{
- struct mtd_info *mtd = dev_get_drvdata(dev);
-
- return mtd ? mtd_suspend(mtd) : 0;
-}
-
-static int mtd_cls_resume(struct device *dev)
-{
- struct mtd_info *mtd = dev_get_drvdata(dev);
-
- if (mtd)
- mtd_resume(mtd);
- return 0;
-}
-
static ssize_t mtd_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{