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>

diff --git a/arch/arm/plat-s3c64xx/cpufreq.c b/arch/arm/plat-s3c64xx/cpufreq.c
index e6e0843..bdc3c96 100644 (file)
--- 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. */