x86: cacheinfo: use cached K8 NB_MISC devices instead of scanning for it

Impact: avoid code duplication

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Langsdorf <mark.langsdorf@amd.com>
LKML-Reference: <20090409131617.GI31527@alberich.amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/x86/include/asm/k8.h b/arch/x86/include/asm/k8.h
index 54c8cc53b24d..c23b3d171be5 100644
--- a/arch/x86/include/asm/k8.h
+++ b/arch/x86/include/asm/k8.h
@@ -12,4 +12,12 @@ extern int cache_k8_northbridges(void);
 extern void k8_flush_garts(void);
 extern int k8_scan_nodes(unsigned long start, unsigned long end);
 
+#ifdef CONFIG_K8_NB
+#define node_to_k8_nb_misc(node) \
+        (node < num_k8_northbridges) ? k8_northbridges[node] : NULL
+#else
+#define node_to_k8_nb_misc(node) NULL
+#endif
+
+
 #endif /* _ASM_X86_K8_H */