ARM64: arch_timer: add support to configure and enable event stream

[~andy/linux] / arch / arm64 / kernel / setup.c

diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 12ad8f3d0cfd32c4f5409a0b8f29b499b7f5cf80..d355b7b9710bcd067b136a36e7523a3fb3fd85cf 100644 (file)
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -57,9 +57,19 @@
 unsigned int processor_id;
 EXPORT_SYMBOL(processor_id);
 
-unsigned int elf_hwcap __read_mostly;
+unsigned long elf_hwcap __read_mostly;
 EXPORT_SYMBOL_GPL(elf_hwcap);
 
+#ifdef CONFIG_COMPAT
+#define COMPAT_ELF_HWCAP_DEFAULT       \
+                               (COMPAT_HWCAP_HALF|COMPAT_HWCAP_THUMB|\
+                                COMPAT_HWCAP_FAST_MULT|COMPAT_HWCAP_EDSP|\
+                                COMPAT_HWCAP_TLS|COMPAT_HWCAP_VFP|\
+                                COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\
+                                COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV)
+unsigned int compat_elf_hwcap __read_mostly = COMPAT_ELF_HWCAP_DEFAULT;
+#endif
+
 static const char *cpu_name;
 static const char *machine_name;
 phys_addr_t __fdt_pointer __initdata;
@@ -304,6 +314,7 @@ subsys_initcall(topology_init);
 static const char *hwcap_str[] = {
        "fp",
        "asimd",
+       "evtstrm",
        NULL
 };