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authorGrant Likely <grant.likely@secretlab.ca>2011-02-17 02:37:15 -0700
committerGrant Likely <grant.likely@secretlab.ca>2011-02-28 01:36:38 -0700
commitb826291c14c396e7aa5d84523aafac117f430902 (patch)
treeebabdbe338cfef0d31fc3f5d77c23f264215eede
parent3d6b88282751a3329d7b041a8d18db87641db9e8 (diff)
drivercore/dt: add a match table pointer to struct device
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.likely@secretlab.ca> Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--include/linux/device.h1
-rw-r--r--include/linux/of_device.h5
2 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index ca5d25225aab..8d8e2675d07f 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 975d347079d9..8bfe6c1d4365 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);