Blackfin arch: Fix bug - change cpufreq doesn't take effect on bf537 now

CCLK is variable: get current CCLK in show_cpuinfo

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index c644d234a02e..0a5436737e97 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -1032,7 +1032,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
         char *cpu, *mmu, *fpu, *vendor, *cache;
         uint32_t revid;
 
-        u_long sclk = 0;
+        u_long sclk, cclk;
         u_int icache_size = BFIN_ICACHESIZE / 1024, dcache_size = 0, dsup_banks = 0;
         struct blackfin_cpudata *cpudata = &per_cpu(cpu_data, *(unsigned int *)v);
 
@@ -1042,6 +1042,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
         revid = bfin_revid();
 
         sclk = get_sclk();
+        cclk = get_cclk();
 
         switch (bfin_read_CHIPID() & CHIPID_MANUFACTURE) {
         case 0xca:
@@ -1063,7 +1064,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 
         seq_printf(m, "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n"
                 "stepping\t: %d\n",
-                cpu, cpudata->cclk/1000000, sclk/1000000,
+                cpu, cclk/1000000, sclk/1000000,
 #ifdef CONFIG_MPU
                 "mpu on",
 #else
@@ -1072,7 +1073,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                 revid);
 
         seq_printf(m, "cpu MHz\t\t: %lu.%03lu/%lu.%03lu\n",
-                cpudata->cclk/1000000, cpudata->cclk%1000000,
+                cclk/1000000, cclk%1000000,
                 sclk/1000000, sclk%1000000);
         seq_printf(m, "bogomips\t: %lu.%02lu\n"
                 "Calibration\t: %lu loops\n",