summaryrefslogtreecommitdiff
path: root/drivers/cxl
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/cxl')
-rw-r--r--drivers/cxl/core/region.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 0fc80478ff6b..285835145e9b 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -1221,6 +1221,12 @@ static int cxl_region_attach(struct cxl_region *cxlr,
struct cxl_dport *dport;
int i, rc = -ENXIO;
+ if (cxled->mode != cxlr->mode) {
+ dev_dbg(&cxlr->dev, "%s region mode: %d mismatch: %d\n",
+ dev_name(&cxled->cxld.dev), cxlr->mode, cxled->mode);
+ return -EINVAL;
+ }
+
if (cxled->mode == CXL_DECODER_DEAD) {
dev_dbg(&cxlr->dev, "%s dead\n", dev_name(&cxled->cxld.dev));
return -ENODEV;