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.rem...@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 = { + .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); + variant = &imx8mp_basic_viariant; + } 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