Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm...

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-omap2 / soc.h

diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h
index f31d90774de0c61db145d0904ec3bcf071857d96..092aedd7ed13325ed34224e197fefc818e534608 100644 (file)
--- a/arch/arm/mach-omap2/soc.h
+++ b/arch/arm/mach-omap2/soc.h
@@ -42,6 +42,9 @@
 #undef MULTI_OMAP2
 #undef OMAP_NAME
 
+#ifdef CONFIG_ARCH_MULTIPLATFORM
+#define MULTI_OMAP2
+#endif
 #ifdef CONFIG_SOC_OMAP2420
 # ifdef OMAP_NAME
 #  undef  MULTI_OMAP2
@@ -112,6 +115,11 @@ int omap_type(void);
  */
 unsigned int omap_rev(void);
 
+static inline int soc_is_omap(void)
+{
+       return omap_rev() != 0;
+}
+
 /*
  * Get the CPU revision for OMAP devices
  */
@@ -465,5 +473,26 @@ static inline unsigned int omap4_has_ ##feat(void) \
 
 OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON)
 
+/*
+ * We need to make sure omap initcalls don't run when
+ * multiplatform kernels are booted on other SoCs.
+ */
+#define omap_initcall(level, fn)               \
+static int __init __used __##fn(void)          \
+{                                              \
+       if (!soc_is_omap())                     \
+               return 0;                       \
+       return fn();                            \
+}                                              \
+level(__##fn);
+
+#define omap_early_initcall(fn)                omap_initcall(early_initcall, fn)
+#define omap_core_initcall(fn)         omap_initcall(core_initcall, fn)
+#define omap_postcore_initcall(fn)     omap_initcall(postcore_initcall, fn)
+#define omap_arch_initcall(fn)         omap_initcall(arch_initcall, fn)
+#define omap_subsys_initcall(fn)       omap_initcall(subsys_initcall, fn)
+#define omap_device_initcall(fn)       omap_initcall(device_initcall, fn)
+#define omap_late_initcall(fn)         omap_initcall(late_initcall, fn)
+
 #endif /* __ASSEMBLY__ */