Re: [PATCH v5 14/18] PCI/pwrctl: add a power control driver for WCN7850

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On Fri, Feb 16, 2024 at 09:32:11PM +0100, Bartosz Golaszewski wrote:

> +static struct pci_pwrctl_wcn7850_vreg pci_pwrctl_wcn7850_vregs[] = {
> +	{
> +		.name = "vdd",
> +		.load_uA = 16000,
> +	},

I know a bunch of the QC stuff includes these load numbers but are they
actually doing anything constructive?  It keeps coming up that they're
causing a bunch of work and it's not clear that they have any great
effect on modern systems.

> +static int pci_pwrctl_wcn7850_power_on(struct pci_pwrctl_wcn7850_ctx *ctx)
> +{
> +	int ret;
> +
> +	ret = regulator_bulk_enable(ctx->pdata->num_vregs, ctx->regs);
> +	if (ret)
> +		return ret;
> +
> +	ret = clk_prepare_enable(ctx->clk);
> +	if (ret)
> +		return ret;

This won't disable the regulators on error.

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