diff mbox

[next] Odroid XU3 boot fail after cpufreq: dt: Use dev_pm_opp_set_rate() to switch frequency

Message ID 20160214052228.GA18226@vireshk-i7
State New
Headers show

Commit Message

Viresh Kumar Feb. 14, 2016, 5:22 a.m. UTC 
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@linaro.org>

> 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@linaro.org>

>     Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>

>     Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>


Can you please try the below untested patch please ?


-- 
viresh
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diff mbox

Patch

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;