cpufreq: rockchip: fix scale rate error when resume

If the return value is 0, it will change voltage in DVFS and lead to
error when resume. Here it change frequency unsuccessfully in fact, so
it need return -EINVAL.

Change-Id: Ia9eff9f75060fcc79c1b275c19de8740754617de
Signed-off-by: Xiao Feng <xf@rock-chips.com>

diff --git a/drivers/cpufreq/rockchip_big_little.c b/drivers/cpufreq/rockchip_big_little.c
index 8919e21e4ca61ec6f70ca9fcf4095c71e339f726..f14f3b1e2fce9cd0f2bd62bf7fa1490d87d20bde 100644 (file)
--- a/drivers/cpufreq/rockchip_big_little.c
+++ b/drivers/cpufreq/rockchip_big_little.c
@@ -246,10 +246,10 @@ static int rockchip_bl_cpufreq_scale_rate_for_dvfs(struct clk *clk,
        cpu = cpumask_first_and(cluster_policy_mask[cur_cluster],
                cpu_online_mask);
        if (cpu >= nr_cpu_ids)
-               return 0;
+               return -EINVAL;
        policy = cpufreq_cpu_get(cpu);
        if (!policy)
-               return 0;
+               return -EINVAL;
 
        freqs.new = rate / 1000;
        freqs.old = clk_get_rate(clk) / 1000;