x86, AMD, NB: Use u16 for northbridge IDs in amd_get_nb_id

Change amd_get_nb_id to return u16 to support >255 memory controllers,
and related consistency fixes.

Signed-off-by: Daniel J Blueman <daniel@numascale-asia.com>
Link: http://lkml.kernel.org/r/1353997932-8475-2-git-send-email-daniel@numascale-asia.com
Signed-off-by: Borislav Petkov <bp@alien8.de>

2 files changed, 3 insertions, 3 deletions

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 888184b2fc85..cf500543f6ff 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -943,7 +943,7 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
 extern int get_tsc_mode(unsigned long adr);
 extern int set_tsc_mode(unsigned int val);
 
-extern int amd_get_nb_id(int cpu);
+extern u16 amd_get_nb_id(int cpu);
 
 struct aperfmperf {
         u64 aperf, mperf;
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 15239fffd6fe..782c456eaa01 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -364,9 +364,9 @@ static void __cpuinit amd_detect_cmp(struct cpuinfo_x86 *c)
 #endif
 }
 
-int amd_get_nb_id(int cpu)
+u16 amd_get_nb_id(int cpu)
 {
-        int id = 0;
+        u16 id = 0;
 #ifdef CONFIG_SMP
         id = per_cpu(cpu_llc_id, cpu);
 #endif