From: Alexander Aksenov <a.aksenov@samsung.com>
Date: Thu, 26 Sep 2013 13:24:00 +0000 (+0400)
Subject: [IMPROVE] Add wake up ioctl command
X-Git-Tag: Tizen_SDK_2.3~274
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5e56450d7faccf3058e98611ca46c6079022bfda;p=kernel%2Fswap-modules.git

[IMPROVE] Add wake up ioctl command

It should be given after chainging opened driver descriptor attributes to nonblock.

Change-Id: Iaf0c492d6ce668250934e5e5a7ffd7686efb185d
Signed-off-by: Alexander Aksenov <a.aksenov@samsung.com>
---

diff --git a/driver/device_driver.c b/driver/device_driver.c
index 50e1278..9ef5bb4 100644
--- a/driver/device_driver.c
+++ b/driver/device_driver.c
@@ -322,8 +322,7 @@ static long swap_device_ioctl(struct file *filp, unsigned int cmd,
 		{
 			result = driver_to_buffer_uninitialize();
 			if (result < 0)
-			print_err("Buffer uninitialization failed %d\n", result);
-
+				print_err("Buffer uninitialization failed %d\n", result);
 			break;
 		}
 		case SWAP_DRIVER_NEXT_BUFFER_TO_READ:
@@ -342,6 +341,7 @@ static long swap_device_ioctl(struct file *filp, unsigned int cmd,
 			break;
 		}
 		case SWAP_DRIVER_MSG:
+		{
 			if (msg_handler) {
 				result = msg_handler((void __user *)arg);
 			} else {
@@ -349,6 +349,13 @@ static long swap_device_ioctl(struct file *filp, unsigned int cmd,
 				result = -EINVAL;
 			}
 			break;
+		}
+		case SWAP_DRIVER_WAKE_UP:
+		{
+			swap_device_wake_up_process();
+			result = E_SD_SUCCESS;
+			break;
+		}
 		default:
 			print_warn("Unknown command %d\n", cmd);
 			result = -EINVAL;
diff --git a/driver/swap_ioctl.h b/driver/swap_ioctl.h
index 5b133ea..38d7a01 100644
--- a/driver/swap_ioctl.h
+++ b/driver/swap_ioctl.h
@@ -43,5 +43,6 @@ struct buffer_initialize {
 #define SWAP_DRIVER_FLUSH_BUFFER		_IO(SWAP_DRIVER_IOC_MAGIC, 4)
 #define SWAP_DRIVER_MSG				_IOW(SWAP_DRIVER_IOC_MAGIC, 5, \
 						     void *)
+#define SWAP_DRIVER_WAKE_UP			_IO(SWAP_DRIVER_IOC_MAGIC, 6)
 
 #endif /* __SWAP_IOCTL_H__ */