X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fpwm%2Fpwm-lpss-platform.c;h=54433fc6d1a4e491e9e046b20558e093d7c5c4de;hb=35bfb7949b7f23cdbfda12d83a8038f640b49141;hp=18a9c880a76d73f8651f6b80a313211bafb93da4;hpb=28111dda37e653781efc73c06229f006739b3982;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c
index 18a9c880a76d..54433fc6d1a4 100644
--- a/drivers/pwm/pwm-lpss-platform.c
+++ b/drivers/pwm/pwm-lpss-platform.c
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 
 #include "pwm-lpss.h"
 
@@ -36,6 +37,10 @@ static int pwm_lpss_probe_platform(struct platform_device *pdev)
 		return PTR_ERR(lpwm);
 
 	platform_set_drvdata(pdev, lpwm);
+
+	pm_runtime_set_active(&pdev->dev);
+	pm_runtime_enable(&pdev->dev);
+
 	return 0;
 }
 
@@ -43,12 +48,14 @@ static int pwm_lpss_remove_platform(struct platform_device *pdev)
 {
 	struct pwm_lpss_chip *lpwm = platform_get_drvdata(pdev);
 
+	pm_runtime_disable(&pdev->dev);
 	return pwm_lpss_remove(lpwm);
 }
 
 static const struct acpi_device_id pwm_lpss_acpi_match[] = {
 	{ "80860F09", (unsigned long)&pwm_lpss_byt_info },
 	{ "80862288", (unsigned long)&pwm_lpss_bsw_info },
+	{ "80865AC8", (unsigned long)&pwm_lpss_bxt_info },
 	{ },
 };
 MODULE_DEVICE_TABLE(acpi, pwm_lpss_acpi_match);