Add a new .of_match field to struct device which points at the
matching device driver .of_match_table entry when a device is probed
via the device tree
Signed-off-by: Grant Likely <grant.lik...@secretlab.ca>
---
include/linux/device.h | 1 +
include/linux/of_device.h | 5 +++--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/include/linux/device.h b/include/linux/device.h
index ca5d252..8d8e267 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -441,6 +441,7 @@ struct device {
struct dev_archdata archdata;
struct device_node *of_node; /* associated device tree node */
+ const struct of_device_id *of_match; /* matching of_device_id from
driver */
dev_t devt; /* dev_t, creates the sysfs "dev" */
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 975d347..8bfe6c1 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -18,10 +18,11 @@ extern void of_device_make_bus_id(struct device *dev);
* @drv: the device_driver structure to test
* @dev: the device structure to match against
*/
-static inline int of_driver_match_device(const struct device *dev,
+static inline int of_driver_match_device(struct device *dev,
const struct device_driver *drv)
{
- return of_match_device(drv->of_match_table, dev) != NULL;
+ dev->of_match = of_match_device(drv->of_match_table, dev);
+ return dev->of_match != NULL;
}
extern struct platform_device *of_dev_get(struct platform_device *dev);
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