Add a helper to match device by the of_node. This will be later used
to provide wrappers to the device iterators for
{bus/class/driver}_find_device().
Convert other users to reuse this new helper.
Cc: Alan Tull
Cc: Andrew Lunn
Cc: Daniel Vetter
Cc: David Airlie
Cc: "David S. Miller"
Cc: devicet...@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: Florian Fainelli
Cc: Frank Rowand
Cc: Greg Kroah-Hartman
Cc: Heiner Kallweit
Cc: Jiri Slaby
Cc: Jonathan Hunter
Cc: Lee Jones
Cc: Liam Girdwood
Cc: linux-f...@vger.kernel.org
Cc: linux-...@vger.kernel.org
Cc: linux-...@vger.kernel.org
Cc: Maarten Lankhorst
Cc: Mark Brown
Cc: Mathieu Poirier
Cc: Maxime Ripard
Cc: Moritz Fischer
Cc: Peter Rosin
Cc: Rob Herring
Cc: Srinivas Kandagatla
Cc: Thierry Reding
Cc: Thor Thayer
Cc: Wolfram Sang
Cc: "Rafael J. Wysocki"
Cc: Greg Kroah-Hartman
Cc: Ulf Hansson
Cc: Joe Perches
Signed-off-by: Suzuki K Poulose
---
drivers/base/core.c | 6 ++
drivers/fpga/of-fpga-region.c | 7 +--
include/linux/device.h| 2 ++
3 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index fd7511e..9211908 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3328,3 +3328,9 @@ void device_set_of_node_from_dev(struct device *dev,
const struct device *dev2)
dev->of_node_reused = true;
}
EXPORT_SYMBOL_GPL(device_set_of_node_from_dev);
+
+int device_match_of_node(struct device *dev, const void *np)
+{
+ return dev->of_node == np;
+}
+EXPORT_SYMBOL_GPL(device_match_of_node);
diff --git a/drivers/fpga/of-fpga-region.c b/drivers/fpga/of-fpga-region.c
index 75f64ab..e405309 100644
--- a/drivers/fpga/of-fpga-region.c
+++ b/drivers/fpga/of-fpga-region.c
@@ -22,11 +22,6 @@ static const struct of_device_id fpga_region_of_match[] = {
};
MODULE_DEVICE_TABLE(of, fpga_region_of_match);
-static int fpga_region_of_node_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
/**
* of_fpga_region_find - find FPGA region
* @np: device node of FPGA Region
@@ -37,7 +32,7 @@ static int fpga_region_of_node_match(struct device *dev,
const void *data)
*/
static struct fpga_region *of_fpga_region_find(struct device_node *np)
{
- return fpga_region_class_find(NULL, np, fpga_region_of_node_match);
+ return fpga_region_class_find(NULL, np, device_match_of_node);
}
/**
diff --git a/include/linux/device.h b/include/linux/device.h
index 4d7c881..7093085 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -163,6 +163,8 @@ void subsys_dev_iter_init(struct subsys_dev_iter *iter,
struct device *subsys_dev_iter_next(struct subsys_dev_iter *iter);
void subsys_dev_iter_exit(struct subsys_dev_iter *iter);
+int device_match_of_node(struct device *dev, const void *np);
+
int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data,
int (*fn)(struct device *dev, void *data));
struct device *bus_find_device(struct bus_type *bus, struct device *start,
--
2.7.4
___
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
