1 // SPDX-License-Identifier: GPL-2.0
3  * FPGA Manager Core
5  *  Copyright (C) 2013-2015 Altera Corporation
12 #include <linux/fpga/fpga-mgr.h>
25 	struct fpga_manager *mgr;  member
28 static inline void fpga_mgr_fpga_remove(struct fpga_manager *mgr)  in fpga_mgr_fpga_remove()  argument
30 	if (mgr->mops->fpga_remove)  in fpga_mgr_fpga_remove()
31 		mgr->mops->fpga_remove(mgr);  in fpga_mgr_fpga_remove()
34 static inline enum fpga_mgr_states fpga_mgr_state(struct fpga_manager *mgr)  in fpga_mgr_state()  argument
36 	if (mgr->mops->state)  in fpga_mgr_state()
37 		return  mgr->mops->state(mgr);  in fpga_mgr_state()
41 static inline u64 fpga_mgr_status(struct fpga_manager *mgr)  in fpga_mgr_status()  argument
43 	if (mgr->mops->status)  in fpga_mgr_status()
44 		return mgr->mops->status(mgr);  in fpga_mgr_status()
48 static inline int fpga_mgr_write(struct fpga_manager *mgr, const char *buf, size_t count)  in fpga_mgr_write()  argument
50 	if (mgr->mops->write)  in fpga_mgr_write()
51 		return  mgr->mops->write(mgr, buf, count);  in fpga_mgr_write()
52 	return -EOPNOTSUPP;  in fpga_mgr_write()
56  * After all the FPGA image has been written, do the device specific steps to
57  * finish and set the FPGA into operating mode.
59 static inline int fpga_mgr_write_complete(struct fpga_manager *mgr,  in fpga_mgr_write_complete()  argument
64 	mgr->state = FPGA_MGR_STATE_WRITE_COMPLETE;  in fpga_mgr_write_complete()
65 	if (mgr->mops->write_complete)  in fpga_mgr_write_complete()
66 		ret = mgr->mops->write_complete(mgr, info);  in fpga_mgr_write_complete()
68 		dev_err(&mgr->dev, "Error after writing image data to FPGA\n");  in fpga_mgr_write_complete()
69 		mgr->state = FPGA_MGR_STATE_WRITE_COMPLETE_ERR;  in fpga_mgr_write_complete()
72 	mgr->state = FPGA_MGR_STATE_OPERATING;  in fpga_mgr_write_complete()
77 static inline int fpga_mgr_parse_header(struct fpga_manager *mgr,  in fpga_mgr_parse_header()  argument
81 	if (mgr->mops->parse_header)  in fpga_mgr_parse_header()
82 		return mgr->mops->parse_header(mgr, info, buf, count);  in fpga_mgr_parse_header()
86 static inline int fpga_mgr_write_init(struct fpga_manager *mgr,  in fpga_mgr_write_init()  argument
90 	if (mgr->mops->write_init)  in fpga_mgr_write_init()
91 		return  mgr->mops->write_init(mgr, info, buf, count);  in fpga_mgr_write_init()
95 static inline int fpga_mgr_write_sg(struct fpga_manager *mgr,  in fpga_mgr_write_sg()  argument
98 	if (mgr->mops->write_sg)  in fpga_mgr_write_sg()
99 		return  mgr->mops->write_sg(mgr, sgt);  in fpga_mgr_write_sg()
100 	return -EOPNOTSUPP;  in fpga_mgr_write_sg()
104  * fpga_image_info_alloc - Allocate an FPGA image info struct
121 	info->dev = dev;  in fpga_image_info_alloc()
128  * fpga_image_info_free - Free an FPGA image info struct
129  * @info: FPGA image info struct to free
138 	dev = info->dev;  in fpga_image_info_free()
139 	if (info->firmware_name)  in fpga_image_info_free()
140 		devm_kfree(dev, info->firmware_name);  in fpga_image_info_free()
148  * Call the low level driver's parse_header function with entire FPGA image
149  * buffer on the input. This will set info->header_size and info->data_size.
151 static int fpga_mgr_parse_header_mapped(struct fpga_manager *mgr,  in fpga_mgr_parse_header_mapped()  argument
157 	mgr->state = FPGA_MGR_STATE_PARSE_HEADER;  in fpga_mgr_parse_header_mapped()
158 	ret = fpga_mgr_parse_header(mgr, info, buf, count);  in fpga_mgr_parse_header_mapped()
160 	if (info->header_size + info->data_size > count) {  in fpga_mgr_parse_header_mapped()
161 		dev_err(&mgr->dev, "Bitstream data outruns FPGA image\n");  in fpga_mgr_parse_header_mapped()
162 		ret = -EINVAL;  in fpga_mgr_parse_header_mapped()
166 		dev_err(&mgr->dev, "Error while parsing FPGA image header\n");  in fpga_mgr_parse_header_mapped()
167 		mgr->state = FPGA_MGR_STATE_PARSE_HEADER_ERR;  in fpga_mgr_parse_header_mapped()
175  * scattered FPGA image on the input. If header fits first fragment,
176  * parse_header will set info->header_size and info->data_size. If it is not,
177  * parse_header will set desired size to info->header_size and -EAGAIN will be
180 static int fpga_mgr_parse_header_sg_first(struct fpga_manager *mgr,  in fpga_mgr_parse_header_sg_first()  argument
187 	mgr->state = FPGA_MGR_STATE_PARSE_HEADER;  in fpga_mgr_parse_header_sg_first()
189 	sg_miter_start(&miter, sgt->sgl, sgt->nents, SG_MITER_FROM_SG);  in fpga_mgr_parse_header_sg_first()
191 	    miter.length >= info->header_size)  in fpga_mgr_parse_header_sg_first()
192 		ret = fpga_mgr_parse_header(mgr, info, miter.addr, miter.length);  in fpga_mgr_parse_header_sg_first()
194 		ret = -EAGAIN;  in fpga_mgr_parse_header_sg_first()
197 	if (ret && ret != -EAGAIN) {  in fpga_mgr_parse_header_sg_first()
198 		dev_err(&mgr->dev, "Error while parsing FPGA image header\n");  in fpga_mgr_parse_header_sg_first()
199 		mgr->state = FPGA_MGR_STATE_PARSE_HEADER_ERR;  in fpga_mgr_parse_header_sg_first()
206  * Copy scattered FPGA image fragments to temporary buffer and call the
208  * fpga_mgr_parse_header_sg_first() returned -EAGAIN. In case of success,
212 static void *fpga_mgr_parse_header_sg(struct fpga_manager *mgr,  in fpga_mgr_parse_header_sg()  argument
221 		new_header_size = info->header_size;  in fpga_mgr_parse_header_sg()
223 			dev_err(&mgr->dev, "Requested invalid header size\n");  in fpga_mgr_parse_header_sg()
224 			ret = -EFAULT;  in fpga_mgr_parse_header_sg()
230 			ret = -ENOMEM;  in fpga_mgr_parse_header_sg()
236 		len = sg_pcopy_to_buffer(sgt->sgl, sgt->nents,  in fpga_mgr_parse_header_sg()
238 					 new_header_size - header_size,  in fpga_mgr_parse_header_sg()
240 		if (len != new_header_size - header_size) {  in fpga_mgr_parse_header_sg()
241 			ret = -EFAULT;  in fpga_mgr_parse_header_sg()
246 		ret = fpga_mgr_parse_header(mgr, info, buf, header_size);  in fpga_mgr_parse_header_sg()
247 	} while (ret == -EAGAIN);  in fpga_mgr_parse_header_sg()
250 		dev_err(&mgr->dev, "Error while parsing FPGA image header\n");  in fpga_mgr_parse_header_sg()
251 		mgr->state = FPGA_MGR_STATE_PARSE_HEADER_ERR;  in fpga_mgr_parse_header_sg()
263  * device-specific things to get the FPGA into the state where it is ready to
264  * receive an FPGA image. The low level driver gets to see at least first
265  * info->header_size bytes in the buffer. If info->header_size is 0,
268 static int fpga_mgr_write_init_buf(struct fpga_manager *mgr,  in fpga_mgr_write_init_buf()  argument
272 	size_t header_size = info->header_size;  in fpga_mgr_write_init_buf()
275 	mgr->state = FPGA_MGR_STATE_WRITE_INIT;  in fpga_mgr_write_init_buf()
278 		ret = -EINVAL;  in fpga_mgr_write_init_buf()
280 		ret = fpga_mgr_write_init(mgr, info, NULL, 0);  in fpga_mgr_write_init_buf()
282 		ret = fpga_mgr_write_init(mgr, info, buf, count);  in fpga_mgr_write_init_buf()
285 		dev_err(&mgr->dev, "Error preparing FPGA for writing\n");  in fpga_mgr_write_init_buf()
286 		mgr->state = FPGA_MGR_STATE_WRITE_INIT_ERR;  in fpga_mgr_write_init_buf()
293 static int fpga_mgr_prepare_sg(struct fpga_manager *mgr,  in fpga_mgr_prepare_sg()  argument
303 	if (!mgr->mops->initial_header_size && !mgr->mops->parse_header)  in fpga_mgr_prepare_sg()
304 		return fpga_mgr_write_init_buf(mgr, info, NULL, 0);  in fpga_mgr_prepare_sg()
310 	ret = fpga_mgr_parse_header_sg_first(mgr, info, sgt);  in fpga_mgr_prepare_sg()
313 		sg_miter_start(&miter, sgt->sgl, sgt->nents, SG_MITER_FROM_SG);  in fpga_mgr_prepare_sg()
315 			ret = fpga_mgr_write_init_buf(mgr, info, miter.addr,  in fpga_mgr_prepare_sg()
322 	 * If -EAGAIN, more sg buffer is needed,  in fpga_mgr_prepare_sg()
325 	} else if (ret != -EAGAIN) {  in fpga_mgr_prepare_sg()
333 	buf = fpga_mgr_parse_header_sg(mgr, info, sgt, &len);  in fpga_mgr_prepare_sg()
337 	ret = fpga_mgr_write_init_buf(mgr, info, buf, len);  in fpga_mgr_prepare_sg()
345  * fpga_mgr_buf_load_sg - load fpga from image in buffer from a scatter list
346  * @mgr:	fpga manager
347  * @info:	fpga image specific information
350  * Step the low level fpga manager through the device-specific steps of getting
351  * an FPGA ready to be configured, writing the image to it, then doing whatever
352  * post-configuration steps necessary.  This code assumes the caller got the
353  * mgr pointer from of_fpga_mgr_get() or fpga_mgr_get() and checked that it is
356  * This is the preferred entry point for FPGA programming, it does not require
361 static int fpga_mgr_buf_load_sg(struct fpga_manager *mgr,  in fpga_mgr_buf_load_sg()  argument
367 	ret = fpga_mgr_prepare_sg(mgr, info, sgt);  in fpga_mgr_buf_load_sg()
371 	/* Write the FPGA image to the FPGA. */  in fpga_mgr_buf_load_sg()
372 	mgr->state = FPGA_MGR_STATE_WRITE;  in fpga_mgr_buf_load_sg()
373 	if (mgr->mops->write_sg) {  in fpga_mgr_buf_load_sg()
374 		ret = fpga_mgr_write_sg(mgr, sgt);  in fpga_mgr_buf_load_sg()
376 		size_t length, count = 0, data_size = info->data_size;  in fpga_mgr_buf_load_sg()
379 		sg_miter_start(&miter, sgt->sgl, sgt->nents, SG_MITER_FROM_SG);  in fpga_mgr_buf_load_sg()
381 		if (mgr->mops->skip_header &&  in fpga_mgr_buf_load_sg()
382 		    !sg_miter_skip(&miter, info->header_size)) {  in fpga_mgr_buf_load_sg()
383 			ret = -EINVAL;  in fpga_mgr_buf_load_sg()
389 				length = min(miter.length, data_size - count);  in fpga_mgr_buf_load_sg()
393 			ret = fpga_mgr_write(mgr, miter.addr, length);  in fpga_mgr_buf_load_sg()
406 		dev_err(&mgr->dev, "Error while writing image data to FPGA\n");  in fpga_mgr_buf_load_sg()
407 		mgr->state = FPGA_MGR_STATE_WRITE_ERR;  in fpga_mgr_buf_load_sg()
411 	return fpga_mgr_write_complete(mgr, info);  in fpga_mgr_buf_load_sg()
414 static int fpga_mgr_buf_load_mapped(struct fpga_manager *mgr,  in fpga_mgr_buf_load_mapped()  argument
420 	ret = fpga_mgr_parse_header_mapped(mgr, info, buf, count);  in fpga_mgr_buf_load_mapped()
424 	ret = fpga_mgr_write_init_buf(mgr, info, buf, count);  in fpga_mgr_buf_load_mapped()
428 	if (mgr->mops->skip_header) {  in fpga_mgr_buf_load_mapped()
429 		buf += info->header_size;  in fpga_mgr_buf_load_mapped()
430 		count -= info->header_size;  in fpga_mgr_buf_load_mapped()
433 	if (info->data_size)  in fpga_mgr_buf_load_mapped()
434 		count = info->data_size;  in fpga_mgr_buf_load_mapped()
437 	 * Write the FPGA image to the FPGA.  in fpga_mgr_buf_load_mapped()
439 	mgr->state = FPGA_MGR_STATE_WRITE;  in fpga_mgr_buf_load_mapped()
440 	ret = fpga_mgr_write(mgr, buf, count);  in fpga_mgr_buf_load_mapped()
442 		dev_err(&mgr->dev, "Error while writing image data to FPGA\n");  in fpga_mgr_buf_load_mapped()
443 		mgr->state = FPGA_MGR_STATE_WRITE_ERR;  in fpga_mgr_buf_load_mapped()
447 	return fpga_mgr_write_complete(mgr, info);  in fpga_mgr_buf_load_mapped()
451  * fpga_mgr_buf_load - load fpga from image in buffer
452  * @mgr:	fpga manager
453  * @info:	fpga image info
454  * @buf:	buffer contain fpga image
457  * Step the low level fpga manager through the device-specific steps of getting
458  * an FPGA ready to be configured, writing the image to it, then doing whatever
459  * post-configuration steps necessary.  This code assumes the caller got the
460  * mgr pointer from of_fpga_mgr_get() and checked that it is not an error code.
464 static int fpga_mgr_buf_load(struct fpga_manager *mgr,  in fpga_mgr_buf_load()  argument
477 	 * contiguous kernel buffer and the driver doesn't require SG, non-SG  in fpga_mgr_buf_load()
480 	if (mgr->mops->write)  in fpga_mgr_buf_load()
481 		return fpga_mgr_buf_load_mapped(mgr, info, buf, count);  in fpga_mgr_buf_load()
487 	nr_pages = DIV_ROUND_UP((unsigned long)buf + count, PAGE_SIZE) -  in fpga_mgr_buf_load()
491 		return -ENOMEM;  in fpga_mgr_buf_load()
493 	p = buf - offset_in_page(buf);  in fpga_mgr_buf_load()
501 			return -EFAULT;  in fpga_mgr_buf_load()
516 	rc = fpga_mgr_buf_load_sg(mgr, info, &sgt);  in fpga_mgr_buf_load()
523  * fpga_mgr_firmware_load - request firmware and load to fpga
524  * @mgr:	fpga manager
525  * @info:	fpga image specific information
528  * Request an FPGA image using the firmware class, then write out to the FPGA.
530  * there is a failure.  This code assumes the caller got the mgr pointer
536 static int fpga_mgr_firmware_load(struct fpga_manager *mgr,  in fpga_mgr_firmware_load()  argument
540 	struct device *dev = &mgr->dev;  in fpga_mgr_firmware_load()
544 	dev_info(dev, "writing %s to %s\n", image_name, mgr->name);  in fpga_mgr_firmware_load()
546 	mgr->state = FPGA_MGR_STATE_FIRMWARE_REQ;  in fpga_mgr_firmware_load()
550 		mgr->state = FPGA_MGR_STATE_FIRMWARE_REQ_ERR;  in fpga_mgr_firmware_load()
555 	ret = fpga_mgr_buf_load(mgr, info, fw->data, fw->size);  in fpga_mgr_firmware_load()
563  * fpga_mgr_load - load FPGA from scatter/gather table, buffer, or firmware
564  * @mgr:	fpga manager
565  * @info:	fpga image information.
567  * Load the FPGA from an image which is indicated in @info.  If successful, the
568  * FPGA ends up in operating mode.
572 int fpga_mgr_load(struct fpga_manager *mgr, struct fpga_image_info *info)  in fpga_mgr_load()  argument
574 	info->header_size = mgr->mops->initial_header_size;  in fpga_mgr_load()
576 	if (info->sgt)  in fpga_mgr_load()
577 		return fpga_mgr_buf_load_sg(mgr, info, info->sgt);  in fpga_mgr_load()
578 	if (info->buf && info->count)  in fpga_mgr_load()
579 		return fpga_mgr_buf_load(mgr, info, info->buf, info->count);  in fpga_mgr_load()
580 	if (info->firmware_name)  in fpga_mgr_load()
581 		return fpga_mgr_firmware_load(mgr, info, info->firmware_name);  in fpga_mgr_load()
582 	return -EINVAL;  in fpga_mgr_load()
592 	/* requesting FPGA image from firmware */
596 	/* Parse FPGA image header */
600 	/* Preparing FPGA to receive image */
604 	/* Writing image to FPGA */
612 	/* FPGA reports to be in normal operating mode */
619 	struct fpga_manager *mgr = to_fpga_manager(dev);  in name_show()  local
621 	return sprintf(buf, "%s\n", mgr->name);  in name_show()
627 	struct fpga_manager *mgr = to_fpga_manager(dev);  in state_show()  local
629 	return sprintf(buf, "%s\n", state_str[mgr->state]);  in state_show()
635 	struct fpga_manager *mgr = to_fpga_manager(dev);  in status_show()  local
639 	status = fpga_mgr_status(mgr);  in status_show()
669 	struct fpga_manager *mgr;  in __fpga_mgr_get()  local
671 	mgr = to_fpga_manager(mgr_dev);  in __fpga_mgr_get()
673 	if (!try_module_get(mgr->mops_owner))  in __fpga_mgr_get()
674 		mgr = ERR_PTR(-ENODEV);  in __fpga_mgr_get()
676 	return mgr;  in __fpga_mgr_get()
681 	return dev->parent == data;  in fpga_mgr_dev_match()
685  * fpga_mgr_get - Given a device, get a reference to an fpga mgr.
686  * @dev:	parent device that fpga mgr was registered with
688  * Return: fpga manager struct or IS_ERR() condition containing error code.
692 	struct fpga_manager *mgr;  in fpga_mgr_get()  local
697 		return ERR_PTR(-ENODEV);  in fpga_mgr_get()
699 	mgr = __fpga_mgr_get(mgr_dev);  in fpga_mgr_get()
700 	if (IS_ERR(mgr))  in fpga_mgr_get()
703 	return mgr;  in fpga_mgr_get()
708  * of_fpga_mgr_get - Given a device node, get a reference to an fpga mgr.
712  * Return: fpga manager struct or IS_ERR() condition containing error code.
716 	struct fpga_manager *mgr;  in of_fpga_mgr_get()  local
721 		return ERR_PTR(-ENODEV);  in of_fpga_mgr_get()
723 	mgr = __fpga_mgr_get(mgr_dev);  in of_fpga_mgr_get()
724 	if (IS_ERR(mgr))  in of_fpga_mgr_get()
727 	return mgr;  in of_fpga_mgr_get()
732  * fpga_mgr_put - release a reference to an fpga manager
733  * @mgr:	fpga manager structure
735 void fpga_mgr_put(struct fpga_manager *mgr)  in fpga_mgr_put()  argument
737 	module_put(mgr->mops_owner);  in fpga_mgr_put()
738 	put_device(&mgr->dev);  in fpga_mgr_put()
743  * fpga_mgr_lock - Lock FPGA manager for exclusive use
744  * @mgr:	fpga manager
746  * Given a pointer to FPGA Manager (from fpga_mgr_get() or
749  * program the FPGA.  Likewise, the user should call fpga_mgr_unlock
750  * when done programming the FPGA.
752  * Return: 0 for success or -EBUSY
754 int fpga_mgr_lock(struct fpga_manager *mgr)  in fpga_mgr_lock()  argument
756 	if (!mutex_trylock(&mgr->ref_mutex)) {  in fpga_mgr_lock()
757 		dev_err(&mgr->dev, "FPGA manager is in use.\n");  in fpga_mgr_lock()
758 		return -EBUSY;  in fpga_mgr_lock()
766  * fpga_mgr_unlock - Unlock FPGA manager after done programming
767  * @mgr:	fpga manager
769 void fpga_mgr_unlock(struct fpga_manager *mgr)  in fpga_mgr_unlock()  argument
771 	mutex_unlock(&mgr->ref_mutex);  in fpga_mgr_unlock()
776  * __fpga_mgr_register_full - create and register an FPGA Manager device
777  * @parent:	fpga manager device from pdev
778  * @info:	parameters for fpga manager
790 	const struct fpga_manager_ops *mops = info->mops;  in __fpga_mgr_register_full()
791 	struct fpga_manager *mgr;  in __fpga_mgr_register_full()  local
796 		return ERR_PTR(-EINVAL);  in __fpga_mgr_register_full()
799 	if (!info->name || !strlen(info->name)) {  in __fpga_mgr_register_full()
801 		return ERR_PTR(-EINVAL);  in __fpga_mgr_register_full()
804 	mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);  in __fpga_mgr_register_full()
805 	if (!mgr)  in __fpga_mgr_register_full()
806 		return ERR_PTR(-ENOMEM);  in __fpga_mgr_register_full()
814 	mutex_init(&mgr->ref_mutex);  in __fpga_mgr_register_full()
816 	mgr->mops_owner = owner;  in __fpga_mgr_register_full()
818 	mgr->name = info->name;  in __fpga_mgr_register_full()
819 	mgr->mops = info->mops;  in __fpga_mgr_register_full()
820 	mgr->priv = info->priv;  in __fpga_mgr_register_full()
821 	mgr->compat_id = info->compat_id;  in __fpga_mgr_register_full()
823 	mgr->dev.class = &fpga_mgr_class;  in __fpga_mgr_register_full()
824 	mgr->dev.groups = mops->groups;  in __fpga_mgr_register_full()
825 	mgr->dev.parent = parent;  in __fpga_mgr_register_full()
826 	mgr->dev.of_node = parent->of_node;  in __fpga_mgr_register_full()
827 	mgr->dev.id = id;  in __fpga_mgr_register_full()
829 	ret = dev_set_name(&mgr->dev, "fpga%d", id);  in __fpga_mgr_register_full()
835 	 * from device.  FPGA may be in reset mode or may have been programmed  in __fpga_mgr_register_full()
838 	mgr->state = fpga_mgr_state(mgr);  in __fpga_mgr_register_full()
840 	ret = device_register(&mgr->dev);  in __fpga_mgr_register_full()
842 		put_device(&mgr->dev);  in __fpga_mgr_register_full()
846 	return mgr;  in __fpga_mgr_register_full()
851 	kfree(mgr);  in __fpga_mgr_register_full()
858  * __fpga_mgr_register - create and register an FPGA Manager device
859  * @parent:	fpga manager device from pdev
860  * @name:	fpga manager name
861  * @mops:	pointer to structure of fpga manager ops
862  * @priv:	fpga manager private data
888  * fpga_mgr_unregister - unregister an FPGA manager
889  * @mgr: fpga manager struct
891  * This function is intended for use in an FPGA manager driver's remove function.
893 void fpga_mgr_unregister(struct fpga_manager *mgr)  in fpga_mgr_unregister()  argument
895 	dev_info(&mgr->dev, "%s %s\n", __func__, mgr->name);  in fpga_mgr_unregister()
898 	 * If the low level driver provides a method for putting fpga into  in fpga_mgr_unregister()
901 	fpga_mgr_fpga_remove(mgr);  in fpga_mgr_unregister()
903 	device_unregister(&mgr->dev);  in fpga_mgr_unregister()
911 	fpga_mgr_unregister(dr->mgr);  in devm_fpga_mgr_unregister()
915  * __devm_fpga_mgr_register_full - resource managed variant of fpga_mgr_register()
916  * @parent:	fpga manager device from pdev
917  * @info:	parameters for fpga manager
920  * Return:  fpga manager pointer on success, negative error code otherwise.
930 	struct fpga_manager *mgr;  in __devm_fpga_mgr_register_full()  local
934 		return ERR_PTR(-ENOMEM);  in __devm_fpga_mgr_register_full()
936 	mgr = __fpga_mgr_register_full(parent, info, owner);  in __devm_fpga_mgr_register_full()
937 	if (IS_ERR(mgr)) {  in __devm_fpga_mgr_register_full()
939 		return mgr;  in __devm_fpga_mgr_register_full()
942 	dr->mgr = mgr;  in __devm_fpga_mgr_register_full()
945 	return mgr;  in __devm_fpga_mgr_register_full()
950  * __devm_fpga_mgr_register - resource managed variant of fpga_mgr_register()
951  * @parent:	fpga manager device from pdev
952  * @name:	fpga manager name
953  * @mops:	pointer to structure of fpga manager ops
954  * @priv:	fpga manager private data
957  * Return:  fpga manager pointer on success, negative error code otherwise.
980 	struct fpga_manager *mgr = to_fpga_manager(dev);  in fpga_mgr_dev_release()  local
982 	ida_free(&fpga_mgr_ida, mgr->dev.id);  in fpga_mgr_dev_release()
983 	kfree(mgr);  in fpga_mgr_dev_release()
994 	pr_info("FPGA manager framework\n");  in fpga_mgr_class_init()
1006 MODULE_DESCRIPTION("FPGA manager framework");