From 6ef28a04d1ccf718eee069b72132ce4aa1e52ab9 Mon Sep 17 00:00:00 2001 From: Anson Huang Date: Mon, 5 Nov 2018 00:59:28 +0000 Subject: cpufreq: imx6q: add return value check for voltage scale Add return value check for voltage scale when ARM clock rate change fail. Signed-off-by: Anson Huang Acked-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- drivers/cpufreq/imx6q-cpufreq.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/cpufreq/imx6q-cpufreq.c') diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 8cfee0ab804b..d8c3595e9023 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -160,8 +160,13 @@ static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index) /* Ensure the arm clock divider is what we expect */ ret = clk_set_rate(clks[ARM].clk, new_freq * 1000); if (ret) { + int ret1; + dev_err(cpu_dev, "failed to set clock rate: %d\n", ret); - regulator_set_voltage_tol(arm_reg, volt_old, 0); + ret1 = regulator_set_voltage_tol(arm_reg, volt_old, 0); + if (ret1) + dev_warn(cpu_dev, + "failed to restore vddarm voltage: %d\n", ret1); return ret; } -- cgit v1.2.3