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-rw-r--r--drivers/cxl/core/hdm.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c
index 7d97790b893d..973a27543ed5 100644
--- a/drivers/cxl/core/hdm.c
+++ b/drivers/cxl/core/hdm.c
@@ -888,8 +888,12 @@ static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld,
}
rc = eig_to_granularity(FIELD_GET(CXL_HDM_DECODER0_CTRL_IG_MASK, ctrl),
&cxld->interleave_granularity);
- if (rc)
+ if (rc) {
+ dev_warn(&port->dev,
+ "decoder%d.%d: Invalid interleave granularity (ctrl: %#x)\n",
+ port->id, cxld->id, ctrl);
return rc;
+ }
dev_dbg(&port->dev, "decoder%d.%d: range: %#llx-%#llx iw: %d ig: %d\n",
port->id, cxld->id, cxld->hpa_range.start, cxld->hpa_range.end,