[PATCH] pmdomain: imx: Make imx pgc power domain also set the fwnode

[Emil Kronborg Andersen]

On Sat, Oct 21, 2023 at 02:59 +0800, Pengfei Li wrote:
> Currently, The imx pgc power domain doesn't set the fwnode
> pointer, which results in supply regulator device can't get
> consumer imx pgc power domain device from fwnode when creating
> a link.
> 
> This causes the driver core to instead try to create a link
> between the parent gpc device of imx pgc power domain device and
> supply regulator device. However, at this point, the gpc device
> has already been bound, and the link creation will fail. So adding
> the fwnode pointer to the imx pgc power domain device will fix
> this issue.
> 
> Signed-off-by: Pengfei Li <pengfei.li_1 at nxp.com>
> ---
>  drivers/pmdomain/imx/gpc.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pmdomain/imx/gpc.c b/drivers/pmdomain/imx/gpc.c
> index 114f44ca07dd..7d81e3171d39 100644
> --- a/drivers/pmdomain/imx/gpc.c
> +++ b/drivers/pmdomain/imx/gpc.c
> @@ -497,6 +497,7 @@ static int imx_gpc_probe(struct platform_device *pdev)
>  
>  			pd_pdev->dev.parent = &pdev->dev;
>  			pd_pdev->dev.of_node = np;
> +			pd_pdev->dev.fwnode = of_fwnode_handle(np);
>  
>  			ret = platform_device_add(pd_pdev);
>  			if (ret) {
> -- 
> 2.34.1

I originally proposed [1] to address errors like the one below:

[    1.039830] imx-gpc 20dc000.gpc: Failed to create device link (0x180) with 20c8000.anatop:regulator-vddpu

I tested this patch on an i.MX 6Quad board, and it also fixes these
errors.

Tested-by: Emil Kronborg <emil.kronborg at protonmail.com>

[1]
https://lore.kernel.org/linux-arm-kernel/20231012132214.257207-1-emkan@prevas.dk/T/

Best regards,
Emil