---

yaml
---
r: 188383
b: refs/heads/master
c: e79032a
h: refs/heads/master
i:
  188381: 8181328
  188379: 862ec20
  188375: b855ba8
  188367: d59e9a2
  188351: b265c99
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 664e87e47e086962a832f9a613a8fd4042a02ac1
+refs/heads/master: e79032aa75af76a14e2cdd973b199855e7761881

trunk/arch/arm/plat-samsung/pwm.c

@@ -379,13 +379,48 @@ static int __devexit s3c_pwm_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static int s3c_pwm_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct pwm_device *pwm = platform_get_drvdata(pdev);
+
+	/* No one preserve these values during suspend so reset them
+	 * Otherwise driver leaves PWM unconfigured if same values
+	 * passed to pwm_config
+	 */
+	pwm->period_ns = 0;
+	pwm->duty_ns = 0;
+
+	return 0;
+}
+
+static int s3c_pwm_resume(struct platform_device *pdev)
+{
+	struct pwm_device *pwm = platform_get_drvdata(pdev);
+	unsigned long tcon;
+
+	/* Restore invertion */
+	tcon = __raw_readl(S3C2410_TCON);
+	tcon |= pwm_tcon_invert(pwm);
+	__raw_writel(tcon, S3C2410_TCON);
+
+	return 0;
+}
+
+#else
+#define s3c_pwm_suspend NULL
+#define s3c_pwm_resume NULL
+#endif
+
 static struct platform_driver s3c_pwm_driver = {
 	.driver		= {
 		.name	= "s3c24xx-pwm",
 		.owner	= THIS_MODULE,
 	},
 	.probe		= s3c_pwm_probe,
 	.remove		= __devexit_p(s3c_pwm_remove),
+	.suspend	= s3c_pwm_suspend,
+	.resume		= s3c_pwm_resume,
 };
 
 static int __init pwm_init(void)