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Subject[RESEND][PATCH v2 27/36] drivers: Add a generic helper to match device by fwnode handle
Date
Make the device_fwnode_match() a generic helper to match device
by fwnode handle for use with bus_find_device(). This will be
also used by coresight.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: linux-acpi@vger.kernel.org
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---

Resending with linux-acpi in Cc, as requested by Rafael.

drivers/base/devcon.c | 5 -----
drivers/base/property.c | 6 ++++++
include/linux/property.h | 1 +
3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/base/devcon.c b/drivers/base/devcon.c
index 04db9ae..f4a9e30 100644
--- a/drivers/base/devcon.c
+++ b/drivers/base/devcon.c
@@ -107,11 +107,6 @@ static struct bus_type *generic_match_buses[] = {
NULL,
};

-static int device_fwnode_match(struct device *dev, void *fwnode)
-{
- return dev_fwnode(dev) == fwnode;
-}
-
static void *device_connection_fwnode_match(struct device_connection *con)
{
struct bus_type *bus;
diff --git a/drivers/base/property.c b/drivers/base/property.c
index 8b91ab3..d10d923 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -25,6 +25,12 @@ struct fwnode_handle *dev_fwnode(struct device *dev)
}
EXPORT_SYMBOL_GPL(dev_fwnode);

+int device_fwnode_match(struct device *dev, void *fwnode)
+{
+ return dev_fwnode(dev) == fwnode;
+}
+EXPORT_SYMBOL_GPL(device_fwnode_match);
+
/**
* device_property_present - check if a property of a device is present
* @dev: Device whose property is being checked
diff --git a/include/linux/property.h b/include/linux/property.h
index 65d3420..c8fd3d42 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -34,6 +34,7 @@ enum dev_dma_attr {
};

struct fwnode_handle *dev_fwnode(struct device *dev);
+int device_fwnode_match(struct device *dev, void *fwnode);

bool device_property_present(struct device *dev, const char *propname);
int device_property_read_u8_array(struct device *dev, const char *propname,
--
2.7.4
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