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authorRobert Richter <rrichter@amd.com>2022-12-05 23:21:40 +0300
committerDan Williams <dan.j.williams@intel.com>2022-12-06 02:37:09 +0300
commitd3cdf4585f2f9122d1165acca40e801c75afa320 (patch)
treef4033fd4446d34237aff8db2434e87a98a495743 /drivers/cxl
parent878b2de67af7095ddd35da859a9ef8db15a36163 (diff)
downloadlinux-d3cdf4585f2f9122d1165acca40e801c75afa320.tar.xz
cxl/acpi: Warn about an invalid CHBCR in an existing CHBS entry
After parsing for a CHBCR in cxl_get_chbcr() the case of (ctx.chbcr == CXL_RESOURCE_NONE) is a slighly different error reason than the !ctx.chbcr case. In the first case the CHBS was found but the CHBCR was invalid or something else failed to determine it, while in the latter case no CHBS entry exists at all. Update the warning message to reflect this. The log messages for both cases can be differentiated now and the reason for a failure can be determined better. Signed-off-by: Robert Richter <rrichter@amd.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/167027170051.3542509.10494781536638424397.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl')
-rw-r--r--drivers/cxl/acpi.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c
index 420e322c85a1..f495f3ce45d1 100644
--- a/drivers/cxl/acpi.c
+++ b/drivers/cxl/acpi.c
@@ -455,7 +455,8 @@ static int add_host_bridge_dport(struct device *match, void *arg)
dev_dbg(match, "RCRB found for UID %lld: %pa\n", uid, &ctx.rcrb);
if (ctx.chbcr == CXL_RESOURCE_NONE) {
- dev_warn(match, "No CHBS found for Host Bridge (UID %lld)\n", uid);
+ dev_warn(match, "CHBCR invalid for Host Bridge (UID %lld)\n",
+ uid);
return 0;
}