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 <ok...@codeaurora.org> --- drivers/base/property.c | 7 +++++++ include/linux/fwnode.h | 4 ++++ include/linux/property.h | 2 ++ 3 files changed, 13 insertions(+) diff --git a/drivers/base/property.c b/drivers/base/property.c index 7ed99c1..dfc53af 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -1335,3 +1335,10 @@ 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) +{ + return fwnode_call_ptr_op(dev_fwnode(dev), get_match_data, + dev->driver); +} +EXPORT_SYMBOL_GPL(device_get_match_data); diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 0c35b6c..6e5e1dd 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -15,6 +15,7 @@ #include <linux/types.h> struct fwnode_operations; +struct device_driver; struct fwnode_handle { struct fwnode_handle *secondary; @@ -66,6 +67,7 @@ struct fwnode_reference_args { * endpoint node. * @graph_get_port_parent: Return the parent node of a port node. * @graph_parse_endpoint: Parse endpoint for port and endpoint id. + * @get_match_data: Return the driver match data. */ struct fwnode_operations { void (*get)(struct fwnode_handle *fwnode); @@ -101,6 +103,8 @@ struct fwnode_operations { (*graph_get_port_parent)(struct fwnode_handle *fwnode); int (*graph_parse_endpoint)(const struct fwnode_handle *fwnode, struct fwnode_endpoint *endpoint); + void *(*get_match_data)(const struct fwnode_handle *fwnode, + const struct device_driver *drv); }; #define fwnode_has_op(fwnode, op) \ 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