Alexandre Courbot <acourbot@xxxxxxxxxx> writes:
> Trusted Foundations is a TrustZone-based secure monitor for ARM that
> can be invoked using the same SMC-based API on all supported
> platforms. This patch adds initial basic support for Trusted
> Foundations using the ARM firmware API. Current features are limited
> to the ability to boot secondary processors.
[...]
> +#if IS_ENABLED(CONFIG_OF)
> +void of_register_trusted_foundations(void)
> +{
> + struct device_node *node;
> + struct trusted_foundations_platform_data pdata;
> + int err;
> +
> + node = of_find_compatible_node(NULL, NULL, "tl,trusted-foundations");
> + if (!node)
> + return;
> +
> + err = of_property_read_u32(node, "version-major", &pdata.version_major);
> + if (err != 0)
> + panic("Trusted Foundation: missing version-major property\n");
Do really need to panic() the whole kernel for a missing property?
Surely this can more gracefully recover, or assume some defaults?
Same comment for the other uses of panic() in this patch.
Kevin
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