ARM: S3C64XX: Provide logging when CPU frequencies are eliminated due to clocks

This provides symmetry with the voltage based checks done for the
regulator.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/arm/plat-s3c64xx/cpufreq.c b/arch/arm/plat-s3c64xx/cpufreq.c
index e6e0843215df..bdc3c96971f5 100644
--- a/arch/arm/plat-s3c64xx/cpufreq.c
+++ b/arch/arm/plat-s3c64xx/cpufreq.c
@@ -217,8 +217,11 @@ static int __init s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy)
                 /* Check for frequencies we can generate */
                 r = clk_round_rate(armclk, freq->frequency * 1000);
                 r /= 1000;
-                if (r != freq->frequency)
+                if (r != freq->frequency) {
+                        pr_debug("cpufreq: %dkHz unsupported by clock\n",
+                                 freq->frequency);
                         freq->frequency = CPUFREQ_ENTRY_INVALID;
+                }
 
                 /* If we have no regulator then assume startup
                  * frequency is the maximum we can support. */