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SubjectRe: [PATCH] PCI: of: Reduce severity of missing of_root error message
On Sun, Mar 08, 2026 at 11:59:30PM -0500, Jeremy Linton wrote:
> Arm64 kernels are frequently built dual ACPI/DT, and then boot in ACPI
> mode. In this case, there won't be an of_root, except for rare DT
> described PCIe boards.
>
> As a result, users in the common case see this high priority worrying
> message, despite the machine working as expected.
>
> Reduce this message to pr_debug() to avoid unnecessary noise.
>
> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>

Applied to pci/misc for v7.1, thanks!

> ---
> drivers/pci/of.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pci/of.c b/drivers/pci/of.c
> index 3579265f1198..4115017f4139 100644
> --- a/drivers/pci/of.c
> +++ b/drivers/pci/of.c
> @@ -775,7 +775,7 @@ void of_pci_make_host_bridge_node(struct pci_host_bridge *bridge)
>
> /* Check if there is a DT root node to attach the created node */
> if (!of_root) {
> - pr_err("of_root node is NULL, cannot create PCI host bridge node\n");
> + pr_debug("of_root node is NULL, cannot create PCI host bridge node\n");
> return;
> }
>
> --
> 2.53.0
>

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