From: Bjorn Helgaas <helgaas@kernel.org>
To: Jeremy Linton <jeremy.linton@arm.com>
Cc: lorenzo.pieralisi@arm.com, linux-pci@vger.kernel.org,
tn@semihalf.com, guohanjun@huawei.com, rjw@rjwysocki.net,
steven.price@arm.com, linux-acpi@vger.kernel.org,
sudeep.holla@arm.com, bhelgaas@google.com,
linux-arm-kernel@lists.infradead.org, lenb@kernel.org
Subject: Re: [PATCH v2] PCI/ACPI: Suppress missing MCFG message
Date: Wed, 9 Sep 2020 09:42:01 -0500 [thread overview]
Message-ID: <20200909144201.GA705392@bjorn-Precision-5520> (raw)
In-Reply-To: <20200908210359.569294-1-jeremy.linton@arm.com>
On Tue, Sep 08, 2020 at 04:03:59PM -0500, 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@arm.com>
Applied to pci/enumeration with Hanjun's reviewed-by, thanks!
> ---
> 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);
> }
> --
> 2.25.4
>
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prev parent reply other threads:[~2020-09-09 14:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-08 21:03 [PATCH v2] PCI/ACPI: Suppress missing MCFG message Jeremy Linton
2020-09-09 0:59 ` Hanjun Guo
2020-09-09 14:42 ` Bjorn Helgaas [this message]
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