[PATCH v2] PCI/ACPI: Suppress missing MCFG message

[Hanjun Guo]

On 2020/9/9 5:03, Jeremy Linton wrote:
> MCFG is an optional ACPI table. Given there are machines
> without PCI(e) (or it is hidden) we have been receiving
> queries/complaints about what this message means given
> its being presented as an error.
> 
> Lets reduce the severity, the ACPI table list printed at
> boot will continue to provide another way to detect when
> the table is missing.
> 
> Signed-off-by: Jeremy Linton <jeremy.linton at arm.com>
> ---
>   drivers/acpi/pci_mcfg.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/pci_mcfg.c b/drivers/acpi/pci_mcfg.c
> index 54b36b7ad47d..c8ef3bb5aa00 100644
> --- 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);
>   }
> 

Reviewed-by: Hanjun Guo <guohanjun at huawei.com>