Blackfin: SMP: implement cpu_freq support

Re-use some of the existing cpu hotplugging code in the process.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

2 files changed, 4 insertions, 1 deletions

diff --git a/arch/blackfin/include/asm/dpmc.h b/arch/blackfin/include/asm/dpmc.h
index 3047120cfcff..edf2a2ad5183 100644
--- a/arch/blackfin/include/asm/dpmc.h
+++ b/arch/blackfin/include/asm/dpmc.h
@@ -125,6 +125,9 @@ void unset_dram_srfs(void);
 
 #define VRPAIR(vlev, freq) (((vlev) << 16) | ((freq) >> 16))
 
+#ifdef CONFIG_CPU_FREQ
+#define CPUFREQ_CPU 0
+#endif
 struct bfin_dpmc_platform_data {
         const unsigned int *tuple_tab;
         unsigned short tabsize;
diff --git a/arch/blackfin/include/asm/smp.h b/arch/blackfin/include/asm/smp.h
index f5b537967116..9dd487375247 100644
--- a/arch/blackfin/include/asm/smp.h
+++ b/arch/blackfin/include/asm/smp.h
@@ -34,7 +34,7 @@ extern unsigned long dcache_invld_count[NR_CPUS];
 void smp_icache_flush_range_others(unsigned long start,
                                    unsigned long end);
 #ifdef CONFIG_HOTPLUG_CPU
-void coreb_sleep(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
+void coreb_die(void);
 void cpu_die(void);
 void platform_cpu_die(void);
 int __cpu_disable(void);