[05/13,v3] OMAP: UART: don't do automatic bus-level suspend/resume

Commit Message

Govindraj.R Sept. 27, 2010, 2:49 p.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 6ffbc92..ff83e91 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -26,6 +26,7 @@ 
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/serial_8250.h>
+#include <linux/pm_runtime.h>

 #ifdef CONFIG_SERIAL_OMAP
 #include <plat/omap-serial.h>
@@ -530,14 +531,17 @@  void omap_uart_enable_irqs(int enable)
 	struct omap_uart_state *uart;

 	list_for_each_entry(uart, &uart_list, node) {
-		if (enable)
+		if (enable) {
+			pm_runtime_put_sync(&uart->pdev->dev);
 			ret = request_threaded_irq(uart->irq, NULL,
 						   omap_uart_interrupt,
 						   IRQF_SHARED,
 						   "serial idle",
 						   (void *)uart);
-		else
+		} else {
+			pm_runtime_get_noresume(&uart->pdev->dev);
 			free_irq(uart->irq, (void *)uart);
+		}
 	}
 }