linux-kernel - [RESEND][PATCH v2 27/36] drivers: Add a generic helper to match device by fwnode handle

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Date:   Tue, 16 Apr 2019 11:39:24 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
        rafael@...nel.org, mathieu.poirier@...aro.org,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-acpi@...r.kernel.org
Subject: [RESEND][PATCH v2 27/36] drivers: Add a generic helper to match device by fwnode handle

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@...uxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: linux-acpi@...r.kernel.org
Signed-off-by: Suzuki K Poulose <suzuki.poulose@....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