diff options
Diffstat (limited to 'drivers/thermal/tegra/tegra-bpmp-thermal.c')
| -rw-r--r-- | drivers/thermal/tegra/tegra-bpmp-thermal.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/thermal/tegra/tegra-bpmp-thermal.c b/drivers/thermal/tegra/tegra-bpmp-thermal.c index 0b7a1a1948cb..a2879d624945 100644 --- a/drivers/thermal/tegra/tegra-bpmp-thermal.c +++ b/drivers/thermal/tegra/tegra-bpmp-thermal.c @@ -52,6 +52,8 @@ static int __tegra_bpmp_thermal_get_temp(struct tegra_bpmp_thermal_zone *zone, err = tegra_bpmp_transfer(zone->tegra->bpmp, &msg); if (err) return err; + if (msg.rx.ret == -BPMP_EFAULT) + return -EAGAIN; if (msg.rx.ret) return -EINVAL; @@ -62,12 +64,14 @@ static int __tegra_bpmp_thermal_get_temp(struct tegra_bpmp_thermal_zone *zone, static int tegra_bpmp_thermal_get_temp(struct thermal_zone_device *tz, int *out_temp) { - return __tegra_bpmp_thermal_get_temp(tz->devdata, out_temp); + struct tegra_bpmp_thermal_zone *zone = thermal_zone_device_priv(tz); + + return __tegra_bpmp_thermal_get_temp(zone, out_temp); } static int tegra_bpmp_thermal_set_trips(struct thermal_zone_device *tz, int low, int high) { - struct tegra_bpmp_thermal_zone *zone = tz->devdata; + struct tegra_bpmp_thermal_zone *zone = thermal_zone_device_priv(tz); struct mrq_thermal_host_to_bpmp_request req; struct tegra_bpmp_message msg; int err; @@ -207,7 +211,12 @@ static int tegra_bpmp_thermal_probe(struct platform_device *pdev) zone->tegra = tegra; err = __tegra_bpmp_thermal_get_temp(zone, &temp); - if (err < 0) { + + /* + * Sensors in powergated domains may temporarily fail to be read + * (-EAGAIN), but will become accessible when the domain is powered on. + */ + if (err < 0 && err != -EAGAIN) { devm_kfree(&pdev->dev, zone); continue; } |