106 	/* If overlay has a list of bridges, use it. */  in of_fpga_region_get_bridges()
107 	br = of_parse_phandle(info->overlay, "fpga-bridges", 0);  in of_fpga_region_get_bridges()
110 		np = info->overlay;  in of_fpga_region_get_bridges()
143  * @overlay: device node of the overlay
145  * If the overlay adds child FPGA regions, they are not allowed to have
150 static int child_regions_with_firmware(struct device_node *overlay)  in child_regions_with_firmware()  argument
156 	of_node_get(overlay);  in child_regions_with_firmware()
158 	child_region = of_find_matching_node(overlay, fpga_region_of_match);  in child_regions_with_firmware()
179  * of_fpga_region_parse_ov - parse and check overlay applied to region
182  * @overlay: overlay applied to the FPGA region
184  * Given an overlay applied to a FPGA region, parse the FPGA image specific
185  * info in the overlay and do some checking.
188  *   NULL if overlay doesn't direct us to program the FPGA.
190  *   error code for invalid overlay.
194 						struct device_node *overlay)  in of_fpga_region_parse_ov()  argument
202 		dev_err(dev, "Region already has overlay applied.\n");  in of_fpga_region_parse_ov()
207 	 * Reject overlay if child FPGA Regions added in the overlay have  in of_fpga_region_parse_ov()
211 	ret = child_regions_with_firmware(overlay);  in of_fpga_region_parse_ov()
219 	info->overlay = overlay;  in of_fpga_region_parse_ov()
221 	/* Read FPGA region properties from the overlay */  in of_fpga_region_parse_ov()
222 	if (of_property_read_bool(overlay, "partial-fpga-config"))  in of_fpga_region_parse_ov()
225 	if (of_property_read_bool(overlay, "external-fpga-config"))  in of_fpga_region_parse_ov()
228 	if (of_property_read_bool(overlay, "encrypted-fpga-config"))  in of_fpga_region_parse_ov()
231 	if (!of_property_read_string(overlay, "firmware-name",  in of_fpga_region_parse_ov()
239 	of_property_read_u32(overlay, "region-unfreeze-timeout-us",  in of_fpga_region_parse_ov()
242 	of_property_read_u32(overlay, "region-freeze-timeout-us",  in of_fpga_region_parse_ov()
245 	of_property_read_u32(overlay, "config-complete-timeout-us",  in of_fpga_region_parse_ov()
248 	/* If overlay is not programming the FPGA, don't need FPGA image info */  in of_fpga_region_parse_ov()
255 	 * If overlay informs us FPGA was externally programmed, specifying  in of_fpga_region_parse_ov()
271  * of_fpga_region_notify_pre_apply - pre-apply overlay notification
273  * @region: FPGA region that the overlay was applied to
274  * @nd: overlay notification data
276  * Called when an overlay targeted to a FPGA Region is about to be applied.
277  * Parses the overlay for properties that influence how the FPGA will be
279  * If the checks fail, overlay is rejected and does not get added to the
291 	info = of_fpga_region_parse_ov(region, nd->overlay);  in of_fpga_region_notify_pre_apply()
295 	/* If overlay doesn't program the FPGA, accept it anyway. */  in of_fpga_region_notify_pre_apply()
300 		dev_err(dev, "Region already has overlay applied.\n");  in of_fpga_region_notify_pre_apply()
307 		/* error; reject overlay */  in of_fpga_region_notify_pre_apply()
316  * of_fpga_region_notify_post_remove - post-remove overlay notification
318  * @region: FPGA region that was targeted by the overlay that was removed
319  * @nd: overlay notification data
321  * Called after an overlay has been removed if the overlay's target was a