[PATCH v4 1/5] ARM: add basic Trusted Foundations support
From: Stephen Warren <hidden>
Date: 2013-09-03 18:40:26
Also in:
linux-devicetree, linux-tegra, lkml
On 08/29/2013 03:57 AM, Alexandre Courbot wrote:
Trusted Foundations is a TrustZone-based secure monitor for ARM that can be invoked using a consistent smc-based API on all supported
Nit: s/smc/SMC/?
quoted hunk ↗ jump to hunk
diff --git a/arch/arm/include/asm/trusted_foundations.h b/arch/arm/include/asm/trusted_foundations.h
+#if IS_ENABLED(CONFIG_TRUSTED_FOUNDATIONS)
+
+void register_trusted_foundations(struct trusted_foundations_platform_data *pd);
+void of_register_trusted_foundations(void);
+
+#else
+
+static inline void register_trusted_foundations(
+ struct trusted_foundations_platform_data *pd)
+{
+ pr_crit("No support for Trusted Foundations, stopping...\n");
+ BUG();
+}
+
+static inline void of_register_trusted_foundations(void)
+{
+ register_trusted_foundations(NULL);That will cause a hard-fail. I assume that should only happen if the TL DT node is present; if there's no DT node, it's fine for a kernel without any TL support to run.
+} + +#endif /* IS_ENABLED(CONFIG_TRUSTED_FOUNDATIONS) */