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Subject[PATCH V4 3/5] device property: Introduce a common API to fetch device match data
Date
There is an OF/ACPI function to obtain the driver data. We want to hide
OF/ACPI details from the device drivers and abstract following the device
family of functions.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
---
drivers/base/property.c | 14 ++++++++++++++
include/linux/property.h | 2 ++
2 files changed, 16 insertions(+)

diff --git a/drivers/base/property.c b/drivers/base/property.c
index 7ed99c1..6adec89 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -15,6 +15,7 @@
#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/property.h>
#include <linux/etherdevice.h>
@@ -1335,3 +1336,16 @@ int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
return fwnode_call_int_op(fwnode, graph_parse_endpoint, endpoint);
}
EXPORT_SYMBOL(fwnode_graph_parse_endpoint);
+
+void *device_get_match_data(struct device *dev)
+{
+ void *ret;
+
+ if (IS_ENABLED(CONFIG_OF) && dev->of_node)
+ ret = (void *)of_device_get_match_data(dev);
+ else
+ ret = acpi_get_match_data(dev);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(device_get_match_data);
diff --git a/include/linux/property.h b/include/linux/property.h
index 6bebee1..01fa55b 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -275,6 +275,8 @@ int device_add_properties(struct device *dev,

enum dev_dma_attr device_get_dma_attr(struct device *dev);

+void *device_get_match_data(struct device *dev);
+
int device_get_phy_mode(struct device *dev);

void *device_get_mac_address(struct device *dev, char *addr, int alen);
--
1.9.1
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