Blackfin arch: correct icache size in show_cpuinfo(), let c_start() return proper pointer

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 10 insertions, 4 deletions

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index ea4f60978c66..e9054e0b4555 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -1000,7 +1000,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                 "cpu family\t: 0x%x\n"
                 "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n"
                 "stepping\t: %d\n",
-                0,
+                *(unsigned int *)v,
                 vendor,
                 (bfin_read_CHIPID() & CHIPID_FAMILY),
                 cpu, cclk/1000000, sclk/1000000,
@@ -1048,7 +1048,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
         if ((bfin_read_DMEM_CONTROL() & (ENDCPLB | DMC_ENABLE)) != (ENDCPLB | DMC_ENABLE))
                 dcache_size = 0;
 
-        if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) == (IMC | ENICPLB))
+        if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) != (IMC | ENICPLB))
                 icache_size = 0;
 
         seq_printf(m, "cache size\t: %d KB(L1 icache) "
@@ -1137,12 +1137,18 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 
 static void *c_start(struct seq_file *m, loff_t *pos)
 {
-        return *pos < NR_CPUS ? ((void *)0x12345678) : NULL;
+        if (*pos == 0)
+                *pos = first_cpu(cpu_online_map);
+        if (*pos >= num_online_cpus())
+                return NULL;
+
+        return pos;
 }
 
 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
 {
-        ++*pos;
+        *pos = next_cpu(*pos, cpu_online_map);
+
         return c_start(m, pos);
 }