pwm: lpss: platform: Save/restore the ctrl register over a suspend/resume

[mirror_ubuntu-bionic-kernel.git] / drivers / pwm / pwm-lpss-platform.c

diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c
index 5d6ed1507d29284f2ba28f2cc781f4b797067f01..5561b9e190f84a63513ff3b86ecbeef7461404e8 100644 (file)
--- a/drivers/pwm/pwm-lpss-platform.c
+++ b/drivers/pwm/pwm-lpss-platform.c
@@ -74,6 +74,10 @@ static int pwm_lpss_remove_platform(struct platform_device *pdev)
        return pwm_lpss_remove(lpwm);
 }
 
+static SIMPLE_DEV_PM_OPS(pwm_lpss_platform_pm_ops,
+                        pwm_lpss_suspend,
+                        pwm_lpss_resume);
+
 static const struct acpi_device_id pwm_lpss_acpi_match[] = {
        { "80860F09", (unsigned long)&pwm_lpss_byt_info },
        { "80862288", (unsigned long)&pwm_lpss_bsw_info },
@@ -86,6 +90,7 @@ static struct platform_driver pwm_lpss_driver_platform = {
        .driver = {
                .name = "pwm-lpss",
                .acpi_match_table = pwm_lpss_acpi_match,
+               .pm = &pwm_lpss_platform_pm_ops,
        },
        .probe = pwm_lpss_probe_platform,
        .remove = pwm_lpss_remove_platform,