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authorGravatar Huang Ying <ying.huang@intel.com> 2024-04-02 14:10:16 +0800
committerGravatar Dave Jiang <dave.jiang@intel.com> 2024-04-30 10:43:48 -0700
commit54e8dd59a76c031317eef61fef93f01d4e76fd3e (patch)
tree61ed757c84ccc96d496d99e45ac95b19f92103cc /drivers/cxl
parentcxl: Fix compile warning for cxl_security_ops extern (diff)
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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: 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>
Diffstat (limited to 'drivers/cxl')
-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,