[PATCH v2 1/2] ARM: i.MX8MP: skov: add fallback for unsupported HW

Thorsten Scherer T.Scherer at eckelmann.de
Tue Apr 2 21:00:56 PDT 2024


Hi Oleksij,

I spotted some typos.

On Tue, Apr 02, 2024 at 11:26:53AM +0200, Oleksij Rempel wrote:
> Add fallback support for currently not supported HW. Instead of
> completely fail, it is better to use some kind of basic devicetree with
> reduced functionality.
> 
> Signed-off-by: Oleksij Rempel <o.rempel at pengutronix.de>
> ---
>  arch/arm/boards/skov-imx8mp/board.c | 12 ++++++++----
>  1 file changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boards/skov-imx8mp/board.c b/arch/arm/boards/skov-imx8mp/board.c
> index 3b6eb7b080..41122ea1e4 100644
> --- a/arch/arm/boards/skov-imx8mp/board.c
> +++ b/arch/arm/boards/skov-imx8mp/board.c
> @@ -85,6 +85,10 @@ static const struct board_description imx8mp_variants[] = {
>  	},
>  };
>  
> +static const struct board_description imx8mp_basic_viariant = {

s/imx8mp_basic_viariant/imx8mp_basic_variant/

> +	.dts_compatible = "skov,imx8mp-skov-basic",
> +};
> +
>  static int skov_imx8mp_fixup(struct device_node *root, void *data)
>  {
>  	struct device_node *chosen = of_create_node(root, "/chosen");
> @@ -171,12 +175,12 @@ static int skov_imx8mp_init_variant(struct skov_imx8mp_priv *priv)
>  	priv->variant_id = v;
>  
>  	if (v >= ARRAY_SIZE(imx8mp_variants)) {
> -		dev_err(dev, "Invalid variant %u\n", v);
> -		return -EINVAL;
> +		dev_warn(dev, "Unsuported variant %u. Fall back to basic variant\n", v);

s/Unsuported/Unsupported/

> +		variant = &imx8mp_basic_viariant;

s/imx8mp_basic_viariant/imx8mp_basic_variant/

> +	} else {
> +		variant = &imx8mp_variants[v];
>  	}
>  
> -	variant = &imx8mp_variants[v];
> -
>  	if (variant->flags & SKOV_IMX8MP_HAS_HDMI) {
>  		ret = skov_imx8mp_get_hdmi(dev);
>  		if (ret < 0)
> -- 
> 2.39.2
> 
> 

Best regards
Thorsten



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