[PATCH v6 2/2] soc: imx: gpcv2: fix suspend/resume by setting GENPD_FLAG_IRQ_ON

[Ulf Hansson]

On Tue, 26 Jul 2022 at 10:33, Martin Kepplinger
<martin.kepplinger at puri.sm> wrote:
>
> For boards that use power-domains' power-supplies that need interrupts
> to work (like regulator over i2c), set GENPD_FLAG_IRQ_ON.
> This will tell genpd to adjust accordingly. Currently it "only" sets the
> correct suspend/resume callbacks.
>
> This fixes suspend/resume on imx8mq-librem5 boards (tested) and
> imx8mq-evk (by looking at dts) and possibly more.
>
> Signed-off-by: Martin Kepplinger <martin.kepplinger at puri.sm>

Reviewed-by: Ulf Hansson <ulf.hansson at linaro.org>

Kind regards
Uffe

> ---
>  drivers/soc/imx/gpcv2.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
> index 6383a4edc360..199a621d8186 100644
> --- a/drivers/soc/imx/gpcv2.c
> +++ b/drivers/soc/imx/gpcv2.c
> @@ -1337,6 +1337,9 @@ static int imx_pgc_domain_probe(struct platform_device *pdev)
>                 regmap_update_bits(domain->regmap, domain->regs->map,
>                                    domain->bits.map, domain->bits.map);
>
> +       if (of_property_read_bool(domain->dev->of_node, "power-supply"))
> +               domain->genpd.flags |= GENPD_FLAG_IRQ_ON;
> +
>         ret = pm_genpd_init(&domain->genpd, NULL, true);
>         if (ret) {
>                 dev_err(domain->dev, "Failed to init power domain\n");
> --
> 2.30.2
>