---

yaml
---
r: 156819
b: refs/heads/master
c: 2466211
h: refs/heads/master
i:
  156817: 279da60
  156815: de1f775
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4789998a30d845d94a7595076d1392ffd5a9d39e
+refs/heads/master: 2466211e5debd205fc550d871fe0ab9b9a6d02ed

trunk/arch/arm/mach-omap2/pm34xx.c

@@ -296,6 +296,8 @@ static void omap3_pm_idle(void)
 }
 
 #ifdef CONFIG_SUSPEND
+static suspend_state_t suspend_state;
+
 static int omap3_pm_prepare(void)
 {
 	disable_hlt();
@@ -342,11 +344,11 @@ static int omap3_pm_suspend(void)
 	return ret;
 }
 
-static int omap3_pm_enter(suspend_state_t state)
+static int omap3_pm_enter(suspend_state_t unused)
 {
 	int ret = 0;
 
-	switch (state) {
+	switch (suspend_state) {
 	case PM_SUSPEND_STANDBY:
 	case PM_SUSPEND_MEM:
 		ret = omap3_pm_suspend();
@@ -363,7 +365,24 @@ static void omap3_pm_finish(void)
 	enable_hlt();
 }
 
+/* Hooks to enable / disable UART interrupts during suspend */
+static int omap3_pm_begin(suspend_state_t state)
+{
+	suspend_state = state;
+	omap_uart_enable_irqs(0);
+	return 0;
+}
+
+static void omap3_pm_end(void)
+{
+	suspend_state = PM_SUSPEND_ON;
+	omap_uart_enable_irqs(1);
+	return;
+}
+
 static struct platform_suspend_ops omap_pm_ops = {
+	.begin		= omap3_pm_begin,
+	.end		= omap3_pm_end,
 	.prepare	= omap3_pm_prepare,
 	.enter		= omap3_pm_enter,
 	.finish		= omap3_pm_finish,

trunk/arch/arm/mach-omap2/serial.c

@@ -435,6 +435,20 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
 	WARN_ON(ret);
 }
 
+void omap_uart_enable_irqs(int enable)
+{
+	int ret;
+	struct omap_uart_state *uart;
+
+	list_for_each_entry(uart, &uart_list, node) {
+		if (enable)
+			ret = request_irq(uart->p->irq, omap_uart_interrupt,
+				IRQF_SHARED, "serial idle", (void *)uart);
+		else
+			free_irq(uart->p->irq, (void *)uart);
+	}
+}
+
 static ssize_t sleep_timeout_show(struct kobject *kobj,
 				  struct kobj_attribute *attr,
 				  char *buf)

trunk/arch/arm/plat-omap/include/mach/serial.h

@@ -59,6 +59,7 @@ extern void omap_uart_check_wakeup(void);
 extern void omap_uart_prepare_suspend(void);
 extern void omap_uart_prepare_idle(int num);
 extern void omap_uart_resume_idle(int num);
+extern void omap_uart_enable_irqs(int enable);
 #endif
 
 #endif