diff --git a/drivers/cxl/core/features.c b/drivers/cxl/core/features.c
index a83a2214a136..4599e1d7668a 100644
--- a/drivers/cxl/core/features.c
+++ b/drivers/cxl/core/features.c

@@ -36,7 +36,7 @@ static bool is_cxl_feature_exclusive(struct cxl_feat_entry *entry)
        return is_cxl_feature_exclusive_by_uuid(&entry->uuid);
 }

-inline struct cxl_features_state *to_cxlfs(struct cxl_dev_state *cxlds)
+struct cxl_features_state *to_cxlfs(struct cxl_dev_state *cxlds)
 {
        return cxlds->cxlfs;
 }

diff --git a/include/cxl/features.h b/include/cxl/features.h
index 5f7f842765a5..b9297693dae7 100644
--- a/include/cxl/features.h
+++ b/include/cxl/features.h

@@ -64,7 +64,7 @@ struct cxl_features_state {
 struct cxl_mailbox;
 struct cxl_memdev;
 #ifdef CONFIG_CXL_FEATURES
-inline struct cxl_features_state *to_cxlfs(struct cxl_dev_state *cxlds);
+struct cxl_features_state *to_cxlfs(struct cxl_dev_state *cxlds);
 int devm_cxl_setup_features(struct cxl_dev_state *cxlds);
 int devm_cxl_setup_fwctl(struct device *host, struct cxl_memdev *cxlmd);
 #else

quoted

+#include <cxl.h>
+#include <cxlmem.h>
+#include "core.h"
+
+#define CXL_NR_EDAC_DEV_FEATURES 1
+
+#define CXL_SCRUB_NO_REGION -1
+
+struct cxl_patrol_scrub_context {
+	u8 instance;
+	u16 get_feat_size;
+	u16 set_feat_size;
+	u8 get_version;
+	u8 set_version;
+	u16 effects;
+	struct cxl_memdev *cxlmd;
+	struct cxl_region *cxlr;
+};
+
+/*
+ * See CXL spec rev 3.2 @8.2.10.9.11.1 Table 8-222 Device Patrol Scrub Control
+ * Feature Readable Attributes.
+ */
+struct cxl_scrub_rd_attrbs {
+	u8 scrub_cycle_cap;
+	__le16 scrub_cycle_hours;
+	u8 scrub_flags;
+} __packed;
+
+/*
+ * See CXL spec rev 3.2 @8.2.10.9.11.1 Table 8-223 Device Patrol Scrub Control
+ * Feature Writable Attributes.
+ */
+struct cxl_scrub_wr_attrbs {
+	u8 scrub_cycle_hours;
+	u8 scrub_flags;
+} __packed;
+
+#define CXL_SCRUB_CONTROL_CHANGEABLE BIT(0)
+#define CXL_SCRUB_CONTROL_REALTIME BIT(1)
+#define CXL_SCRUB_CONTROL_CYCLE_MASK GENMASK(7, 0)
+#define CXL_SCRUB_CONTROL_MIN_CYCLE_MASK GENMASK(15, 8)
+#define CXL_SCRUB_CONTROL_ENABLE BIT(0)
+
+#define CXL_GET_SCRUB_CYCLE_CHANGEABLE(cap) \
+	FIELD_GET(CXL_SCRUB_CONTROL_CHANGEABLE, cap)
+#define CXL_GET_SCRUB_CYCLE(cycle) \
+	FIELD_GET(CXL_SCRUB_CONTROL_CYCLE_MASK, cycle)
+#define CXL_GET_SCRUB_MIN_CYCLE(cycle) \
+	FIELD_GET(CXL_SCRUB_CONTROL_MIN_CYCLE_MASK, cycle)
+#define CXL_GET_SCRUB_EN_STS(flags) FIELD_GET(CXL_SCRUB_CONTROL_ENABLE, flags)
+
+#define CXL_SET_SCRUB_CYCLE(cycle) \
+	FIELD_PREP(CXL_SCRUB_CONTROL_CYCLE_MASK, cycle)
+#define CXL_SET_SCRUB_EN(en) FIELD_PREP(CXL_SCRUB_CONTROL_ENABLE, en)
+
+static int cxl_mem_scrub_get_attrbs(struct cxl_mailbox *cxl_mbox, u8 *cap,
+				    u16 *cycle, u8 *flags, u8 *min_cycle)
+{
+	size_t rd_data_size = sizeof(struct cxl_scrub_rd_attrbs);
+	size_t data_size;
+	struct cxl_scrub_rd_attrbs *rd_attrbs __free(kfree) =
+		kzalloc(rd_data_size, GFP_KERNEL);
+	if (!rd_attrbs)
+		return -ENOMEM;
+
+	data_size = cxl_get_feature(cxl_mbox, &CXL_FEAT_PATROL_SCRUB_UUID,
+				    CXL_GET_FEAT_SEL_CURRENT_VALUE, rd_attrbs,
+				    rd_data_size, 0, NULL);
+	if (!data_size)
+		return -EIO;
+
+	*cap = rd_attrbs->scrub_cycle_cap;
+	*cycle = le16_to_cpu(rd_attrbs->scrub_cycle_hours);
+	*flags = rd_attrbs->scrub_flags;
+	if (min_cycle)
+		*min_cycle = CXL_GET_SCRUB_MIN_CYCLE(*cycle);
+
+	return 0;
+}
+
+static int cxl_scrub_get_attrbs(struct cxl_patrol_scrub_context *cxl_ps_ctx,
+				u8 *cap, u16 *cycle, u8 *flags, u8 *min_cycle)
+{
+	struct cxl_mailbox *cxl_mbox;
+	u8 min_scrub_cycle = U8_MAX;
+	struct cxl_region_params *p;
+	struct cxl_memdev *cxlmd;
+	struct cxl_region *cxlr;
+	int i, ret;
+
+	if (!cxl_ps_ctx->cxlr) {
+		cxl_mbox = &cxl_ps_ctx->cxlmd->cxlds->cxl_mbox;
+		return cxl_mem_scrub_get_attrbs(cxl_mbox, cap, cycle,
+						flags, min_cycle);
+	}
+
+	struct rw_semaphore *region_lock __free(rwsem_read_release) =
+	rwsem_read_intr_acquire(&cxl_region_rwsem);
+	if (!region_lock)
+		return -EINTR;
+
+	cxlr = cxl_ps_ctx->cxlr;
+	p = &cxlr->params;
+
+	for (i = 0; i < p->nr_targets; i++) {
+		struct cxl_endpoint_decoder *cxled = p->targets[i];
+
+		cxlmd = cxled_to_memdev(cxled);
+		cxl_mbox = &cxlmd->cxlds->cxl_mbox;
+		ret = cxl_mem_scrub_get_attrbs(cxl_mbox, cap, cycle,
+					       flags, min_cycle);
+		if (ret)
+			return ret;
+
+		if (min_cycle)
+			min_scrub_cycle =
+				min(*min_cycle, min_scrub_cycle);
+	}
+
+	if (min_cycle)
+		*min_cycle = min_scrub_cycle;
+
+	return 0;
+}
+
+static int cxl_scrub_set_attrbs_region(struct device *dev,
+				       struct cxl_patrol_scrub_context *cxl_ps_ctx,
+				       u8 cycle, u8 flags)
+{
+	struct cxl_scrub_wr_attrbs wr_attrbs;
+	struct cxl_mailbox *cxl_mbox;
+	struct cxl_region_params *p;
+	struct cxl_memdev *cxlmd;
+	struct cxl_region *cxlr;
+	int ret, i;
+
+	struct rw_semaphore *region_lock __free(rwsem_read_release) =
+		rwsem_read_intr_acquire(&cxl_region_rwsem);
+	if (!region_lock)
+		return -EINTR;
+
+	cxlr = cxl_ps_ctx->cxlr;
+	p = &cxlr->params;
+	wr_attrbs.scrub_cycle_hours = cycle;
+	wr_attrbs.scrub_flags = flags;
+
+	for (i = 0; i < p->nr_targets; i++) {
+		struct cxl_endpoint_decoder *cxled = p->targets[i];
+
+		cxlmd = cxled_to_memdev(cxled);
+		cxl_mbox = &cxlmd->cxlds->cxl_mbox;
+		ret = cxl_set_feature(cxl_mbox, &CXL_FEAT_PATROL_SCRUB_UUID,
+				      cxl_ps_ctx->set_version, &wr_attrbs,
+				      sizeof(wr_attrbs),
+				      CXL_SET_FEAT_FLAG_DATA_SAVED_ACROSS_RESET,
+				      0, NULL);
+		if (ret)
+			return ret;
+
+		if (cycle != cxlmd->scrub_cycle) {
+			if (cxlmd->scrub_region_id != CXL_SCRUB_NO_REGION)
+				dev_info(dev,
+					 "Device scrub rate(%d hours) set by region%d rate overwritten by region%d scrub rate(%d hours)\n",
+					 cxlmd->scrub_cycle,
+					 cxlmd->scrub_region_id, cxlr->id,
+					 cycle);
+
+			cxlmd->scrub_cycle = cycle;
+			cxlmd->scrub_region_id = cxlr->id;
+		}
+	}
+
+	return 0;
+}
+
+static int cxl_scrub_set_attrbs_device(struct device *dev,
+				       struct cxl_patrol_scrub_context *cxl_ps_ctx,
+				       u8 cycle, u8 flags)
+{
+	struct cxl_scrub_wr_attrbs wr_attrbs;
+	struct cxl_mailbox *cxl_mbox;
+	struct cxl_memdev *cxlmd;
+	int ret;
+
+	wr_attrbs.scrub_cycle_hours = cycle;
+	wr_attrbs.scrub_flags = flags;
+
+	cxlmd = cxl_ps_ctx->cxlmd;
+	cxl_mbox = &cxlmd->cxlds->cxl_mbox;
+	ret = cxl_set_feature(cxl_mbox, &CXL_FEAT_PATROL_SCRUB_UUID,
+			      cxl_ps_ctx->set_version, &wr_attrbs,
+			      sizeof(wr_attrbs),
+			      CXL_SET_FEAT_FLAG_DATA_SAVED_ACROSS_RESET, 0,
+			      NULL);
+	if (ret)
+		return ret;
+
+	if (cycle != cxlmd->scrub_cycle) {
+		if (cxlmd->scrub_region_id != CXL_SCRUB_NO_REGION)
+			dev_info(dev,
+				 "Device scrub rate(%d hours) set by region%d rate overwritten with device local scrub rate(%d hours)\n",
+				 cxlmd->scrub_cycle, cxlmd->scrub_region_id,
+				 cycle);
+
+		cxlmd->scrub_cycle = cycle;
+		cxlmd->scrub_region_id = CXL_SCRUB_NO_REGION;
+	}
+
+	return 0;
+}
+
+static int cxl_scrub_set_attrbs(struct device *dev,
+				struct cxl_patrol_scrub_context *cxl_ps_ctx,
+				u8 cycle, u8 flags)
+{
+	if (cxl_ps_ctx->cxlr)
+		return cxl_scrub_set_attrbs_region(dev, cxl_ps_ctx, cycle, flags);
+
+	return cxl_scrub_set_attrbs_device(dev, cxl_ps_ctx, cycle, flags);
+}
+
+static int cxl_patrol_scrub_get_enabled_bg(struct device *dev, void *drv_data,
+					   bool *enabled)
+{
+	struct cxl_patrol_scrub_context *ctx = drv_data;
+	u8 cap, flags;
+	u16 cycle;
+	int ret;
+
+	ret = cxl_scrub_get_attrbs(ctx, &cap, &cycle, &flags, NULL);
+	if (ret)
+		return ret;
+
+	*enabled = CXL_GET_SCRUB_EN_STS(flags);
+
+	return 0;
+}
+
+static int cxl_patrol_scrub_set_enabled_bg(struct device *dev, void *drv_data,
+					   bool enable)
+{
+	struct cxl_patrol_scrub_context *ctx = drv_data;
+	u8 cap, flags, wr_cycle;
+	u16 rd_cycle;
+	int ret;
+
+	if (!capable(CAP_SYS_RAWIO))
+		return -EPERM;
+
+	ret = cxl_scrub_get_attrbs(ctx, &cap, &rd_cycle, &flags, NULL);
+	if (ret)
+		return ret;
+
+	wr_cycle = CXL_GET_SCRUB_CYCLE(rd_cycle);
+	flags = CXL_SET_SCRUB_EN(enable);
+
+	return cxl_scrub_set_attrbs(dev, ctx, wr_cycle, flags);
+}
+
+static int cxl_patrol_scrub_get_min_scrub_cycle(struct device *dev,
+						void *drv_data, u32 *min)
+{
+	struct cxl_patrol_scrub_context *ctx = drv_data;
+	u8 cap, flags, min_cycle;
+	u16 cycle;
+	int ret;
+
+	ret = cxl_scrub_get_attrbs(ctx, &cap, &cycle, &flags, &min_cycle);
+	if (ret)
+		return ret;
+
+	*min = min_cycle * 3600;
+
+	return 0;
+}
+
+static int cxl_patrol_scrub_get_max_scrub_cycle(struct device *dev,
+						void *drv_data, u32 *max)
+{
+	*max = U8_MAX * 3600; /* Max set by register size */
+
+	return 0;
+}
+
+static int cxl_patrol_scrub_get_scrub_cycle(struct device *dev, void *drv_data,
+					    u32 *scrub_cycle_secs)
+{
+	struct cxl_patrol_scrub_context *ctx = drv_data;
+	u8 cap, flags;
+	u16 cycle;
+	int ret;
+
+	ret = cxl_scrub_get_attrbs(ctx, &cap, &cycle, &flags, NULL);
+	if (ret)
+		return ret;
+
+	*scrub_cycle_secs = CXL_GET_SCRUB_CYCLE(cycle) * 3600;
+
+	return 0;
+}
+
+static int cxl_patrol_scrub_set_scrub_cycle(struct device *dev, void *drv_data,
+					    u32 scrub_cycle_secs)
+{
+	struct cxl_patrol_scrub_context *ctx = drv_data;
+	u8 scrub_cycle_hours = scrub_cycle_secs / 3600;
+	u8 cap, wr_cycle, flags, min_cycle;
+	u16 rd_cycle;
+	int ret;
+
+	if (!capable(CAP_SYS_RAWIO))
+		return -EPERM;
+
+	ret = cxl_scrub_get_attrbs(ctx, &cap, &rd_cycle, &flags, &min_cycle);
+	if (ret)
+		return ret;
+
+	if (!CXL_GET_SCRUB_CYCLE_CHANGEABLE(cap))
+		return -EOPNOTSUPP;
+
+	if (scrub_cycle_hours < min_cycle) {
+		dev_dbg(dev, "Invalid CXL patrol scrub cycle(%d) to set\n",
+			scrub_cycle_hours);
+		dev_dbg(dev,
+			"Minimum supported CXL patrol scrub cycle in hour %d\n",
+			min_cycle);
+		return -EINVAL;
+	}
+	wr_cycle = CXL_SET_SCRUB_CYCLE(scrub_cycle_hours);
+
+	return cxl_scrub_set_attrbs(dev, ctx, wr_cycle, flags);
+}
+
+static const struct edac_scrub_ops cxl_ps_scrub_ops = {
+	.get_enabled_bg = cxl_patrol_scrub_get_enabled_bg,
+	.set_enabled_bg = cxl_patrol_scrub_set_enabled_bg,
+	.get_min_cycle = cxl_patrol_scrub_get_min_scrub_cycle,
+	.get_max_cycle = cxl_patrol_scrub_get_max_scrub_cycle,
+	.get_cycle_duration = cxl_patrol_scrub_get_scrub_cycle,
+	.set_cycle_duration = cxl_patrol_scrub_set_scrub_cycle,
+};
+
+static int cxl_memdev_scrub_init(struct cxl_memdev *cxlmd,
+				 struct edac_dev_feature *ras_feature,
+				 u8 scrub_inst)
+{
+	struct cxl_patrol_scrub_context *cxl_ps_ctx;
+	struct cxl_feat_entry *feat_entry;
+	u8 cap, flags;
+	u16 cycle;
+	int rc;
+
+	feat_entry = cxl_feature_info(to_cxlfs(cxlmd->cxlds),
+				      &CXL_FEAT_PATROL_SCRUB_UUID);
+	if (IS_ERR(feat_entry))
+		return -EOPNOTSUPP;
+
+	if (!(le32_to_cpu(feat_entry->flags) & CXL_FEATURE_F_CHANGEABLE))
+		return -EOPNOTSUPP;
+
+	cxl_ps_ctx = devm_kzalloc(&cxlmd->dev, sizeof(*cxl_ps_ctx), GFP_KERNEL);
+	if (!cxl_ps_ctx)
+		return -ENOMEM;
+
+	*cxl_ps_ctx = (struct cxl_patrol_scrub_context){
+		.get_feat_size = le16_to_cpu(feat_entry->get_feat_size),
+		.set_feat_size = le16_to_cpu(feat_entry->set_feat_size),
+		.get_version = feat_entry->get_feat_ver,
+		.set_version = feat_entry->set_feat_ver,
+		.effects = le16_to_cpu(feat_entry->effects),
+		.instance = scrub_inst,
+		.cxlmd = cxlmd,
+	};
+
+	rc = cxl_mem_scrub_get_attrbs(&cxlmd->cxlds->cxl_mbox, &cap, &cycle,
+				      &flags, NULL);
+	if (rc)
+		return rc;
+
+	cxlmd->scrub_cycle = CXL_GET_SCRUB_CYCLE(cycle);
+	cxlmd->scrub_region_id = CXL_SCRUB_NO_REGION;
+
+	ras_feature->ft_type = RAS_FEAT_SCRUB;
+	ras_feature->instance = cxl_ps_ctx->instance;
+	ras_feature->scrub_ops = &cxl_ps_scrub_ops;
+	ras_feature->ctx = cxl_ps_ctx;
+
+	return 0;
+}
+
+static int cxl_region_scrub_init(struct cxl_region *cxlr,
+				 struct edac_dev_feature *ras_feature,
+				 u8 scrub_inst)
+{
+	struct cxl_patrol_scrub_context *cxl_ps_ctx;
+	struct cxl_region_params *p = &cxlr->params;
+	struct cxl_feat_entry *feat_entry = NULL;
+	struct cxl_memdev *cxlmd;
+	u8 cap, flags;
+	u16 cycle;
+	int i, rc;
+
+	/*
+	 * The cxl_region_rwsem must be held if the code below is used in a context
+	 * other than when the region is in the probe state, as shown here.
+	 */
+	for (i = 0; i < p->nr_targets; i++) {
+		struct cxl_endpoint_decoder *cxled = p->targets[i];
+
+		cxlmd = cxled_to_memdev(cxled);
+		feat_entry = cxl_feature_info(to_cxlfs(cxlmd->cxlds),
+					      &CXL_FEAT_PATROL_SCRUB_UUID);
+		if (IS_ERR(feat_entry))
+			return -EOPNOTSUPP;
+
+		if (!(le32_to_cpu(feat_entry->flags) &
+		      CXL_FEATURE_F_CHANGEABLE))
+			return -EOPNOTSUPP;
+
+		rc = cxl_mem_scrub_get_attrbs(&cxlmd->cxlds->cxl_mbox, &cap,
+					      &cycle, &flags, NULL);
+		if (rc)
+			return rc;
+
+		cxlmd->scrub_cycle = CXL_GET_SCRUB_CYCLE(cycle);
+		cxlmd->scrub_region_id = CXL_SCRUB_NO_REGION;
+	}
+
+	cxl_ps_ctx = devm_kzalloc(&cxlr->dev, sizeof(*cxl_ps_ctx), GFP_KERNEL);
+	if (!cxl_ps_ctx)
+		return -ENOMEM;
+
+	*cxl_ps_ctx = (struct cxl_patrol_scrub_context){
+		.get_feat_size = le16_to_cpu(feat_entry->get_feat_size),
+		.set_feat_size = le16_to_cpu(feat_entry->set_feat_size),
+		.get_version = feat_entry->get_feat_ver,
+		.set_version = feat_entry->set_feat_ver,
+		.effects = le16_to_cpu(feat_entry->effects),
+		.instance = scrub_inst,
+		.cxlr = cxlr,
+	};
+
+	ras_feature->ft_type = RAS_FEAT_SCRUB;
+	ras_feature->instance = cxl_ps_ctx->instance;
+	ras_feature->scrub_ops = &cxl_ps_scrub_ops;
+	ras_feature->ctx = cxl_ps_ctx;
+
+	return 0;
+}
+
+int devm_cxl_memdev_edac_register(struct cxl_memdev *cxlmd)
+{
+	struct edac_dev_feature ras_features[CXL_NR_EDAC_DEV_FEATURES];
+	int num_ras_features = 0;
+	int rc;
+
+	if (IS_ENABLED(CONFIG_CXL_EDAC_SCRUB)) {
+		rc = cxl_memdev_scrub_init(cxlmd, &ras_features[num_ras_features], 0);
+		if (rc < 0 && rc != -EOPNOTSUPP)
+			return rc;
+
+		if (rc != -EOPNOTSUPP)
+			num_ras_features++;
+	}
+
+	if (!num_ras_features)
+		return -EINVAL;
+
+	char *cxl_dev_name __free(kfree) =
+		kasprintf(GFP_KERNEL, "cxl_%s", dev_name(&cxlmd->dev));
+	if (!cxl_dev_name)
+		return -ENOMEM;
+
+	return edac_dev_register(&cxlmd->dev, cxl_dev_name, NULL,
+				 num_ras_features, ras_features);
+}
+EXPORT_SYMBOL_NS_GPL(devm_cxl_memdev_edac_register, "CXL");
+
+int devm_cxl_region_edac_register(struct cxl_region *cxlr)
+{
+	struct edac_dev_feature ras_features[CXL_NR_EDAC_DEV_FEATURES];
+	int num_ras_features = 0;
+	int rc;
+
+	if (!IS_ENABLED(CONFIG_CXL_EDAC_SCRUB))
+		return 0;
+
+	rc = cxl_region_scrub_init(cxlr, &ras_features[num_ras_features], 0);
+	if (rc < 0)
+		return rc;
+
+	num_ras_features++;
+
+	char *cxl_dev_name __free(kfree) =
+		kasprintf(GFP_KERNEL, "cxl_%s", dev_name(&cxlr->dev));
+	if (!cxl_dev_name)
+		return -ENOMEM;
+
+	return edac_dev_register(&cxlr->dev, cxl_dev_name, NULL,
+				 num_ras_features, ras_features);
+}
+EXPORT_SYMBOL_NS_GPL(devm_cxl_region_edac_register, "CXL");

diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index c3f4dc244df7..d5b8108c4a6d 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c

@@ -3537,8 +3537,18 @@ static int cxl_region_probe(struct device *dev)
 
 	switch (cxlr->mode) {
 	case CXL_PARTMODE_PMEM:
+		rc = devm_cxl_region_edac_register(cxlr);
+		if (rc)
+			dev_dbg(&cxlr->dev, "CXL EDAC registration for region_id=%d failed\n",
+				cxlr->id);
+
 		return devm_cxl_add_pmem_region(cxlr);
 	case CXL_PARTMODE_RAM:
+		rc = devm_cxl_region_edac_register(cxlr);
+		if (rc)
+			dev_dbg(&cxlr->dev, "CXL EDAC registration for region_id=%d failed\n",
+				cxlr->id);
+
 		/*
 		 * The region can not be manged by CXL if any portion of
 		 * it is already online as 'System RAM'

diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index a9ab46eb0610..8a252f8483f7 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h

@@ -912,4 +912,14 @@ bool cxl_endpoint_decoder_reset_detected(struct cxl_port *port);
 
 u16 cxl_gpf_get_dvsec(struct device *dev);
 
+static inline struct rw_semaphore *rwsem_read_intr_acquire(struct rw_semaphore *rwsem)
+{
+	if (down_read_interruptible(rwsem))
+		return NULL;
+
+	return rwsem;
+}
+
+DEFINE_FREE(rwsem_read_release, struct rw_semaphore *, if (_T) up_read(_T))
+
 #endif /* __CXL_H__ */

diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
index 3ec6b906371b..872131009e4c 100644
--- a/drivers/cxl/cxlmem.h
+++ b/drivers/cxl/cxlmem.h

@@ -45,6 +45,8 @@
  * @endpoint: connection to the CXL port topology for this memory device
  * @id: id number of this memdev instance.
  * @depth: endpoint port depth
+ * @scrub_cycle: current scrub cycle set for this device
+ * @scrub_region_id: id number of a backed region (if any) for which current scrub cycle set
  */
 struct cxl_memdev {
 	struct device dev;

@@ -56,6 +58,8 @@ struct cxl_memdev {
 	struct cxl_port *endpoint;
 	int id;
 	int depth;
+	u8 scrub_cycle;
+	int scrub_region_id;
 };
 
 static inline struct cxl_memdev *to_cxl_memdev(struct device *dev)

@@ -853,6 +857,16 @@ int cxl_trigger_poison_list(struct cxl_memdev *cxlmd);
 int cxl_inject_poison(struct cxl_memdev *cxlmd, u64 dpa);
 int cxl_clear_poison(struct cxl_memdev *cxlmd, u64 dpa);
 
+#ifdef CONFIG_CXL_EDAC_MEM_FEATURES
+int devm_cxl_memdev_edac_register(struct cxl_memdev *cxlmd);
+int devm_cxl_region_edac_register(struct cxl_region *cxlr);
+#else
+static inline int devm_cxl_memdev_edac_register(struct cxl_memdev *cxlmd)
+{ return 0; }
+static inline int devm_cxl_region_edac_register(struct cxl_region *cxlr)
+{ return 0; }
+#endif
+
 #ifdef CONFIG_CXL_SUSPEND
 void cxl_mem_active_inc(void);
 void cxl_mem_active_dec(void);

diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
index 9675243bd05b..6e6777b7bafb 100644
--- a/drivers/cxl/mem.c
+++ b/drivers/cxl/mem.c

@@ -180,6 +180,10 @@ static int cxl_mem_probe(struct device *dev)
 			return rc;
 	}
 
+	rc = devm_cxl_memdev_edac_register(cxlmd);
+	if (rc)
+		dev_dbg(dev, "CXL memdev EDAC registration failed rc=%d\n", rc);
+
 	/*
 	 * The kernel may be operating out of CXL memory on this device,
 	 * there is no spec defined way to determine whether this device

diff --git a/tools/testing/cxl/Kbuild b/tools/testing/cxl/Kbuild
index 387f3df8b988..31a2d73c963f 100644
--- a/tools/testing/cxl/Kbuild
+++ b/tools/testing/cxl/Kbuild

@@ -67,6 +67,7 @@ cxl_core-$(CONFIG_TRACING) += $(CXL_CORE_SRC)/trace.o
 cxl_core-$(CONFIG_CXL_REGION) += $(CXL_CORE_SRC)/region.o
 cxl_core-$(CONFIG_CXL_MCE) += $(CXL_CORE_SRC)/mce.o
 cxl_core-$(CONFIG_CXL_FEATURES) += $(CXL_CORE_SRC)/features.o
+cxl_core-$(CONFIG_CXL_EDAC_MEM_FEATURES) += $(CXL_CORE_SRC)/edac.o
 cxl_core-y += config_check.o
 cxl_core-y += cxl_core_test.o
 cxl_core-y += cxl_core_exports.o

-- 
2.43.0