We need to make sure that multiplatform kernels don't
run omap initcalls when booted on other SoCs.
Do this by adding wrapper macros for the initcalls that
return early if soc_is_omap() test fails. This allows
us to easily change the defines later if we have SoC
specific init sections available.
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/mach-omap2/soc.h | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h
index f31d907..092aedd 100644
--- 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__ */
--
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