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-rw-r--r--arch/parisc/kernel/processor.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index b68d977ce30f..e81ccf1716e9 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -44,6 +44,10 @@
struct system_cpuinfo_parisc boot_cpu_data __read_mostly;
EXPORT_SYMBOL(boot_cpu_data);
+#ifdef CONFIG_PA8X00
+int _parisc_requires_coherency __read_mostly;
+EXPORT_SYMBOL(_parisc_requires_coherency);
+#endif
DEFINE_PER_CPU(struct cpuinfo_parisc, cpu_data);
@@ -277,8 +281,12 @@ void __init collect_boot_cpu_data(void)
boot_cpu_data.cpu_type = parisc_get_cpu_type(boot_cpu_data.hversion);
boot_cpu_data.cpu_name = cpu_name_version[boot_cpu_data.cpu_type][0];
boot_cpu_data.family_name = cpu_name_version[boot_cpu_data.cpu_type][1];
-}
+#ifdef CONFIG_PA8X00
+ _parisc_requires_coherency = (boot_cpu_data.cpu_type == mako) ||
+ (boot_cpu_data.cpu_type == mako2);
+#endif
+}
/**