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Thermal: Intel SoC DTS: Change interrupt request behavior

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The interrupt request call in Intel SoC DTS driver may fail if
there is no underlying BIOS support. However, the user space
thermal daemon can still use the thermal zones created by the
SoC DTS driver in polling mode, therefore, instead of bailing
out on interrupt request failures, it is better just to log
a warning message and continue the init process.

Signed-off-by: Brian Bian <brian.bian@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Brian Bian 2017-04-12 14:07:17 -07:00 committed by Zhang Rui
parent 39da7c509a
commit 68b2440b2a
1 changed files with 6 additions and 3 deletions
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9
drivers/thermal/intel_soc_dts_thermal.c
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@ -73,8 +73,12 @@ static int __init intel_soc_thermal_init(void)
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"soc_dts", soc_dts);
if (err) {
pr_err("request_threaded_irq ret %d\n", err);
goto error_irq;
/*
* Do not just error out because the user space thermal
* daemon such as DPTF may use polling instead of being
* interrupt driven.
*/
pr_warn("request_threaded_irq ret %d\n", err);
}
}
@ -88,7 +92,6 @@ static int __init intel_soc_thermal_init(void)
error_trips:
if (soc_dts_thres_irq)
free_irq(soc_dts_thres_irq, soc_dts);
error_irq:
intel_soc_dts_iosf_exit(soc_dts);
return err;