[PATCH 2/4] driver core: auxiliary bus: Add driver data helpers

From: David E. Box
Date: Sat Nov 20 2021 - 18:19:09 EST


Adds get/set driver data helpers for auxiliary devices.

Signed-off-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx>
Reviewed-by: Mark Gross <markgross@xxxxxxxxxx>
---

Note, I have another patchset that modifies current auxiliary drivers to
use this new helper. But since it touches 5 different subsystems, I plan to
submit it after this series is accepted.

include/linux/auxiliary_bus.h | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/include/linux/auxiliary_bus.h b/include/linux/auxiliary_bus.h
index fc51d45f106b..a8338d456e81 100644
--- a/include/linux/auxiliary_bus.h
+++ b/include/linux/auxiliary_bus.h
@@ -28,6 +28,16 @@ struct auxiliary_driver {
const struct auxiliary_device_id *id_table;
};

+static inline void *auxiliary_get_drvdata(struct auxiliary_device *auxdev)
+{
+ return dev_get_drvdata(&auxdev->dev);
+}
+
+static inline void auxiliary_set_drvdata(struct auxiliary_device *auxdev, void *data)
+{
+ dev_set_drvdata(&auxdev->dev, data);
+}
+
static inline struct auxiliary_device *to_auxiliary_dev(struct device *dev)
{
return container_of(dev, struct auxiliary_device, dev);
--
2.25.1