On Tue, Oct 19, 2021 at 05:58:58PM +0800, Meng Li wrote:

> From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
> 
> Add PCIe regulators for KingFisher board.
> 
> Signed-off-by: Meng Li <Meng.Li@windriver.com>
> ---

You've not provided a Signed-off-by for Andrey, please see
Documentation/process/submitting-patches.rst for details on what this is
and why it's important.

> +	host->pcie3v3 = devm_regulator_get_optional(dev, "pcie3v3");

> +	host->pcie1v8 = devm_regulator_get_optional(dev, "pcie1v8");

Unless PCIe works without these supplies (which are in my understanding
mandatory according to the spec) these should not be optional, this API
is for supplies that may be physically absent.