diff options
| author | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
|---|---|---|
| committer | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
| commit | 170b5910d9fbea79de1bb40df22eda5f98250c0c (patch) | |
| tree | ca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /arch/arm/include/asm/trusted_foundations.h | |
| parent | 47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff) | |
| parent | 1860e379875dfe7271c649058aeddffe5afd9d0d (diff) | |
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'arch/arm/include/asm/trusted_foundations.h')
| -rw-r--r-- | arch/arm/include/asm/trusted_foundations.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/arm/include/asm/trusted_foundations.h b/arch/arm/include/asm/trusted_foundations.h index 3bd36e2c5f2..624e1d436c6 100644 --- a/arch/arm/include/asm/trusted_foundations.h +++ b/arch/arm/include/asm/trusted_foundations.h @@ -30,6 +30,8 @@ #include <linux/printk.h> #include <linux/bug.h> #include <linux/of.h> +#include <linux/cpu.h> +#include <linux/smp.h> struct trusted_foundations_platform_data { unsigned int version_major; @@ -47,10 +49,15 @@ static inline void register_trusted_foundations( struct trusted_foundations_platform_data *pd) { /* - * If we try to register TF, this means the system needs it to continue. - * Its absence if thus a fatal error. + * If the system requires TF and we cannot provide it, continue booting + * but disable features that cannot be provided. */ - panic("No support for Trusted Foundations, stopping...\n"); + pr_err("No support for Trusted Foundations, continuing in degraded mode.\n"); + pr_err("Secondary processors as well as CPU PM will be disabled.\n"); +#if IS_ENABLED(CONFIG_SMP) + setup_max_cpus = 0; +#endif + cpu_idle_poll_ctrl(true); } static inline void of_register_trusted_foundations(void) @@ -59,7 +66,7 @@ static inline void of_register_trusted_foundations(void) * If we find the target should enable TF but does not support it, * fail as the system won't be able to do much anyway */ - if (of_find_compatible_node(NULL, NULL, "tl,trusted-foundations")) + if (of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations")) register_trusted_foundations(NULL); } #endif /* CONFIG_TRUSTED_FOUNDATIONS */ |