cpufreq: allow cpufreq_generic_suspend() to work without suspend frequency

Some cpufreq drivers may set suspend frequency only for
selected setups but still would like to use the generic
suspend handler.  Thus don't treat !policy->suspend_freq
condition as an incorrect one.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 8b6bf38b2497b4ba0ee891cdba10388e79e8aae8..ca963336c262feb0a58e20ea0e58dca4bfc87ddc 100644 (file)
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1628,8 +1628,8 @@ int cpufreq_generic_suspend(struct cpufreq_policy *policy)
        int ret;
 
        if (!policy->suspend_freq) {
-               pr_err("%s: suspend_freq can't be zero\n", __func__);
-               return -EINVAL;
+               pr_debug("%s: suspend_freq not defined\n", __func__);
+               return 0;
        }
 
        pr_debug("%s: Setting suspend-freq: %u\n", __func__,