MIPS: Oprofile: Print error message if the CPU happen to have no counters.

Signed-off-by: Ralf Baechle <ralf@ongar.mips.com>

diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index a4a4aa99ab0317edcc9d741a1f81d76ca9cd2e98..d97bbff031e5700f28352928ea65a70d61715363 100644 (file)
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -180,8 +180,10 @@ static int __init mipsxx_init(void)
        int counters;
 
        counters = n_counters();
-       if (counters == 0)
+       if (counters == 0) {
+               printk(KERN_ERR "Oprofile: CPU has no performance counters\n");
                return -ENODEV;
+       }
 
        reset_counters(counters);