[PATCH 2/2] mmc: meson-gx: support platform interrupt as card detect interrupt

[Neil Armstrong]

On 30/01/2023 00:10, Heiner Kallweit wrote:
> Use a new mmc core feature and support specifying the card detect
> gpio interrupt in device tree.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1 at gmail.com>
> ---
>   drivers/mmc/host/meson-gx-mmc.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
> index be1a972c2..c87bc31d0 100644
> --- a/drivers/mmc/host/meson-gx-mmc.c
> +++ b/drivers/mmc/host/meson-gx-mmc.c
> @@ -1236,6 +1236,9 @@ static int meson_mmc_probe(struct platform_device *pdev)
>   		goto free_host;
>   	}
>   
> +	/* gpio card detect interrupt */
> +	mmc->cd_irq = platform_get_irq_optional(pdev, 1);

Ok it's fine but beware GXBB/GXL/AXG doesn't support Rising + Falling GPIO IRQ,
so this should only be used on G12A/B/SM1 and later.

Neil

> +
>   	host->pinctrl = devm_pinctrl_get(&pdev->dev);
>   	if (IS_ERR(host->pinctrl)) {
>   		ret = PTR_ERR(host->pinctrl);