[PATCH 2/4] S3C64XX: Provide logging when CPU frequencies are eliminated due to clocks

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Oct 21 13:17:57 EDT 2009


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

Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 arch/arm/plat-s3c64xx/cpufreq.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/arch/arm/plat-s3c64xx/cpufreq.c b/arch/arm/plat-s3c64xx/cpufreq.c
index e6e0843..bdc3c96 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. */
-- 
1.6.5




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