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cxl/hdm: Add debug message for invalid interleave granularity

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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: Huang, Ying <ying.huang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240402061016.388408-1-ying.huang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
This commit is contained in:
Huang Ying 2024-04-02 14:10:16 +08:00 committed by Dave Jiang
parent 3381586a40
commit 54e8dd59a7
1 changed files with 5 additions and 1 deletions
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6
drivers/cxl/core/hdm.c
View File

@ -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,