PM / devfreq: tegra: Set freq in rate callback
authorTomeu Vizoso <tomeu.vizoso@collabora.com>
Thu, 21 Jan 2016 07:52:26 +0000 (08:52 +0100)
committerMyungJoo Ham <myungjoo.ham@samsung.com>
Tue, 23 Feb 2016 05:27:42 +0000 (14:27 +0900)
As per the documentation of the devfreq_dev_profile.target callback, set
the freq argument to the new frequency before returning.

This caused endless messages like this after recent changes in the core:

devfreq 6000c800.actmon: Couldn't update frequency transition information.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reported-by: Tyler Baker <tyler.baker@linaro.org>
Tested-by: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
drivers/devfreq/tegra-devfreq.c

index 848b93ee930fd8ec204a332755c57b18457bfede..fe9dce0245bf0c7d32b2c8eb3590e7f73651ae6d 100644 (file)
@@ -500,6 +500,8 @@ static int tegra_devfreq_target(struct device *dev, unsigned long *freq,
        clk_set_min_rate(tegra->emc_clock, rate);
        clk_set_rate(tegra->emc_clock, 0);
 
+       *freq = rate;
+
        return 0;
 }