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Diffstat (limited to 'arch/powerpc/include/asm/dt_cpu_ftrs.h')
-rw-r--r--arch/powerpc/include/asm/dt_cpu_ftrs.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/dt_cpu_ftrs.h b/arch/powerpc/include/asm/dt_cpu_ftrs.h
new file mode 100644
index 000000000000..7a34fc11bf63
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+++ b/arch/powerpc/include/asm/dt_cpu_ftrs.h
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+#ifndef __ASM_POWERPC_DT_CPU_FTRS_H
+#define __ASM_POWERPC_DT_CPU_FTRS_H
+
+/*
+ * Copyright 2017, IBM Corporation
+ * cpufeatures is the new way to discover CPU features with /cpus/features
+ * devicetree. This supersedes PVR based discovery ("cputable"), and older
+ * device tree feature advertisement.
+ */
+
+#include <linux/types.h>
+#include <asm/asm-compat.h>
+#include <asm/feature-fixups.h>
+#include <uapi/asm/cputable.h>
+
+#ifdef CONFIG_PPC_DT_CPU_FTRS
+bool dt_cpu_ftrs_init(void *fdt);
+void dt_cpu_ftrs_scan(void);
+bool dt_cpu_ftrs_in_use(void);
+#else
+static inline bool dt_cpu_ftrs_init(void *fdt) { return false; }
+static inline void dt_cpu_ftrs_scan(void) { }
+static inline bool dt_cpu_ftrs_in_use(void) { return false; }
+#endif
+
+#endif /* __ASM_POWERPC_DT_CPU_FTRS_H */