[PATCH v2 09/18] dax: Create a dax device_type

Dan Williams
2019-11-17T17:59:41Z

Move the open coded release method and attribute groups to a 'struct
device_type' instance.

Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Link: https://lore.kernel.org/r/157309904365.1582359.5451327195246651379.stgit@dwillia2-desk3.amr.corp.intel.com
---
drivers/dax/bus.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 8fafbeab510a..f3e6e00ece40 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -373,6 +373,11 @@ static void dev_dax_release(struct device *dev)
kfree(dev_dax);
}

+static const struct device_type dev_dax_type = {
+ .release = dev_dax_release,
+ .groups = dax_attribute_groups,
+};
+
static void unregister_dev_dax(void *dev)
{
struct dev_dax *dev_dax = to_dev_dax(dev);
@@ -430,8 +435,7 @@ struct dev_dax *__devm_create_dev_dax(struct dax_region *dax_region, int id,
else
dev->class = dax_class;
dev->parent = parent;
- dev->groups = dax_attribute_groups;
- dev->release = dev_dax_release;
+ dev->type = &dev_dax_type;
dev_set_name(dev, "dax%d.%d", dax_region->id, id);

rc = device_add(dev);