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-rw-r--r--block/genhd.c28
-rw-r--r--include/linux/blkdev.h3
2 files changed, 27 insertions, 4 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 1c05dd4c6980..bc30eee7ab16 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -383,16 +383,18 @@ int disk_scan_partitions(struct gendisk *disk, blk_mode_t mode)
}
/**
- * device_add_disk - add disk information to kernel list
+ * add_disk_fwnode - add disk information to kernel list with fwnode
* @parent: parent device for the disk
* @disk: per-device partitioning information
* @groups: Additional per-device sysfs groups
+ * @fwnode: attached disk fwnode
*
* This function registers the partitioning information in @disk
- * with the kernel.
+ * with the kernel. Also attach a fwnode to the disk device.
*/
-int __must_check device_add_disk(struct device *parent, struct gendisk *disk,
- const struct attribute_group **groups)
+int __must_check add_disk_fwnode(struct device *parent, struct gendisk *disk,
+ const struct attribute_group **groups,
+ struct fwnode_handle *fwnode)
{
struct device *ddev = disk_to_dev(disk);
@@ -452,6 +454,8 @@ int __must_check device_add_disk(struct device *parent, struct gendisk *disk,
ddev->parent = parent;
ddev->groups = groups;
dev_set_name(ddev, "%s", disk->disk_name);
+ if (fwnode)
+ device_set_node(ddev, fwnode);
if (!(disk->flags & GENHD_FL_HIDDEN))
ddev->devt = MKDEV(disk->major, disk->first_minor);
ret = device_add(ddev);
@@ -553,6 +557,22 @@ out_exit_elevator:
elevator_exit(disk->queue);
return ret;
}
+EXPORT_SYMBOL_GPL(add_disk_fwnode);
+
+/**
+ * device_add_disk - add disk information to kernel list
+ * @parent: parent device for the disk
+ * @disk: per-device partitioning information
+ * @groups: Additional per-device sysfs groups
+ *
+ * This function registers the partitioning information in @disk
+ * with the kernel.
+ */
+int __must_check device_add_disk(struct device *parent, struct gendisk *disk,
+ const struct attribute_group **groups)
+{
+ return add_disk_fwnode(parent, disk, groups, NULL);
+}
EXPORT_SYMBOL(device_add_disk);
static void blk_report_disk_dead(struct gendisk *disk, bool surprise)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 50c3b959da28..a6aae750b4ac 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -725,6 +725,9 @@ static inline unsigned int blk_queue_depth(struct request_queue *q)
#define for_each_bio(_bio) \
for (; _bio; _bio = _bio->bi_next)
+int __must_check add_disk_fwnode(struct device *parent, struct gendisk *disk,
+ const struct attribute_group **groups,
+ struct fwnode_handle *fwnode);
int __must_check device_add_disk(struct device *parent, struct gendisk *disk,
const struct attribute_group **groups);
static inline int __must_check add_disk(struct gendisk *disk)