pmem.c (cecdd52a3dd312564f81a39df08378b7b39a2654) pmem.c (d35b495ddf92c964eedf2ac86fdbf88dc3e5cbc9)
1// SPDX-License-Identifier: GPL-2.0-only
2/* Copyright(c) 2020 Intel Corporation. */
3#include <linux/device.h>
4#include <linux/slab.h>
5#include <linux/idr.h>
6#include <cxlmem.h>
7#include <cxl.h>
8#include "core.h"

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57}
58EXPORT_SYMBOL_NS_GPL(is_cxl_nvdimm_bridge, CXL);
59
60static int match_nvdimm_bridge(struct device *dev, void *data)
61{
62 return is_cxl_nvdimm_bridge(dev);
63}
64
1// SPDX-License-Identifier: GPL-2.0-only
2/* Copyright(c) 2020 Intel Corporation. */
3#include <linux/device.h>
4#include <linux/slab.h>
5#include <linux/idr.h>
6#include <cxlmem.h>
7#include <cxl.h>
8#include "core.h"

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57}
58EXPORT_SYMBOL_NS_GPL(is_cxl_nvdimm_bridge, CXL);
59
60static int match_nvdimm_bridge(struct device *dev, void *data)
61{
62 return is_cxl_nvdimm_bridge(dev);
63}
64
65struct cxl_nvdimm_bridge *cxl_find_nvdimm_bridge(struct device *start)
65struct cxl_nvdimm_bridge *cxl_find_nvdimm_bridge(struct cxl_memdev *cxlmd)
66{
66{
67 struct cxl_port *port = find_cxl_root(start);
67 struct cxl_port *port = find_cxl_root(dev_get_drvdata(&cxlmd->dev));
68 struct device *dev;
69
70 if (!port)
71 return NULL;
72
73 dev = device_find_child(&port->dev, NULL, match_nvdimm_bridge);
74 put_device(&port->dev);
75

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248 */
249int devm_cxl_add_nvdimm(struct cxl_memdev *cxlmd)
250{
251 struct cxl_nvdimm_bridge *cxl_nvb;
252 struct cxl_nvdimm *cxl_nvd;
253 struct device *dev;
254 int rc;
255
68 struct device *dev;
69
70 if (!port)
71 return NULL;
72
73 dev = device_find_child(&port->dev, NULL, match_nvdimm_bridge);
74 put_device(&port->dev);
75

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248 */
249int devm_cxl_add_nvdimm(struct cxl_memdev *cxlmd)
250{
251 struct cxl_nvdimm_bridge *cxl_nvb;
252 struct cxl_nvdimm *cxl_nvd;
253 struct device *dev;
254 int rc;
255
256 cxl_nvb = cxl_find_nvdimm_bridge(&cxlmd->dev);
256 cxl_nvb = cxl_find_nvdimm_bridge(cxlmd);
257 if (!cxl_nvb)
258 return -ENODEV;
259
260 cxl_nvd = cxl_nvdimm_alloc(cxl_nvb, cxlmd);
261 if (IS_ERR(cxl_nvd)) {
262 rc = PTR_ERR(cxl_nvd);
263 goto err_alloc;
264 }

--- 26 unchanged lines hidden --- 		257 if (!cxl_nvb)
258 return -ENODEV;
259
260 cxl_nvd = cxl_nvdimm_alloc(cxl_nvb, cxlmd);
261 if (IS_ERR(cxl_nvd)) {
262 rc = PTR_ERR(cxl_nvd);
263 goto err_alloc;
264 }

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