From: Jeremy Linton <jeremy.linton@arm.com>
Date: Tue, 8 Sep 2020 16:03:59 -0500
Subject: PCI/ACPI: Tone down missing MCFG message
Patch-mainline: v5.10-rc1
Git-commit: d24e124577cdb47824c6665af16250807c2daa89
References: jsc#SLE-16407

MCFG is an optional ACPI table.  Given there are machines without PCI (or
it is hidden) we have been receiving queries/complaints about what this
message means given it's being presented as an error.

Reduce the message severity.  The ACPI table list printed at boot will
continue to provide another way to detect when the table is missing.

Link: https://lore.kernel.org/r/20200908210359.569294-1-jeremy.linton@arm.com
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
 drivers/acpi/pci_mcfg.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/acpi/pci_mcfg.c
+++ b/drivers/acpi/pci_mcfg.c
@@ -280,5 +280,5 @@ void __init pci_mmcfg_late_init(void)
 {
 	int err = acpi_table_parse(ACPI_SIG_MCFG, pci_mcfg_parse);
 	if (err)
-		pr_err("Failed to parse MCFG (%d)\n", err);
+		pr_debug("Failed to parse MCFG (%d)\n", err);
 }