diff options
| author | Bai Ping <b51503@freescale.com> | 2014-10-14 07:12:07 +0200 |
|---|---|---|
| committer | Eduardo Valentin <edubezval@gmail.com> | 2014-11-07 19:44:41 +0100 |
| commit | 491b079db3f7fa631f6a012e7e896a1eafe4dd99 (patch) | |
| tree | 924c4146e1bcca2851e40d659f0abf5dd889b457 /drivers/thermal/imx_thermal.c | |
| parent | Thermal/int3403: Fix thermal hysteresis unit conversion (diff) | |
| download | linux-491b079db3f7fa631f6a012e7e896a1eafe4dd99.tar.xz linux-491b079db3f7fa631f6a012e7e896a1eafe4dd99.zip | |
thermal: imx: correct driver load sequence for cpu cooling
thermal driver should be regisetered after cpufreq driver has
been registered and probed. Doing so is to make sure that thermal
driver can get the max cpu cooling states correctly when calling
get_property.
Signed-off-by: Bai Ping <b51503@freescale.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal/imx_thermal.c')
| -rw-r--r-- | drivers/thermal/imx_thermal.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index 461bf3d033a0..0e35999ad8b2 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -459,6 +459,10 @@ static int imx_thermal_probe(struct platform_device *pdev) int measure_freq; int ret; + if (!cpufreq_get_current_driver()) { + dev_dbg(&pdev->dev, "no cpufreq driver!"); + return -EPROBE_DEFER; + } data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; |