Commit 54e8dd59 authored by Ying Huang's avatar Ying Huang Committed by Dave Jiang
Browse files

cxl/hdm: Add debug message for invalid interleave granularity 



There's no debug message for invalid interleave granularity.  This
makes it hard to debug related bugs.  So, this is added in this patch.

Signed-off-by: default avatarHuang, Ying <ying.huang@intel.com>
Reviewed-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240402061016.388408-1-ying.huang@intel.com


Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
parent 3381586a

drivers/cxl/core/hdm.c

+5 −1
Original line number Diff line number Diff line
@@ -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,