W dniu 14.02.2016 o 14:22, Viresh Kumar pisze:
> On 14-02-16, 13:56, Krzysztof Kozlowski wrote:
>> Hi all,
>>
>> Recently Odroid XU3 failed to boot on linux-next
>> on multi_v7 defconfig. exynos defconfig boots fine.
>>
>> Probably the "cpufreq: dt: Use dev_pm_opp_set_rate() to
>> switch frequency" is important here:
>> commit 78c3ba5df96c875b1668e1cd3ee0a69e62454f32
>> Author: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>> Date: Tue Feb 9 10:30:46 2016 +0530
>>
>> cpufreq: dt: Use dev_pm_opp_set_rate() to switch frequency
>>
>> OPP core supports frequency/voltage changes based on the target
>> frequency now, use that instead of open coding the same in cpufreq-dt
>> driver.
>>
>> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>> Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
>> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> Can you please try the below untested patch please ?
Thanks for quick reply. The patch fixed the problem.
Tested-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Best regards,
Krzysztof
> diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c
> index d7cd4e265766..a97b333036c9 100644
> --- a/drivers/base/power/opp/core.c
> +++ b/drivers/base/power/opp/core.c
> @@ -1156,9 +1156,15 @@ static int opp_parse_supplies(struct dev_pm_opp *opp, struct device *dev,
> return -EINVAL;
> }
>
> - opp->u_volt = microvolt[0];
> - opp->u_volt_min = microvolt[1];
> - opp->u_volt_max = microvolt[2];
> + if (count == 1) {
> + opp->u_volt = microvolt[0];
> + opp->u_volt_min = opp->u_volt;
> + opp->u_volt_max = opp->u_volt;
> + } else {
> + opp->u_volt = microvolt[0];
> + opp->u_volt_min = microvolt[1];
> + opp->u_volt_max = microvolt[2];
> + }
>
> /* Search for "opp-microamp-<name>" */
> prop = NULL;
>
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