From: Kitae Kim <kt920.kim@samsung.com>
Date: Mon, 4 Jun 2012 11:48:42 +0000 (+0900)
Subject: [Title] Modify vdpram source to enable telephony module.
X-Git-Tag: 2.2.1_release^2~133
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ae32d9437ecb6b2c26043227082fc09737927e33;p=sdk%2Femulator%2Femulator-kernel.git

[Title] Modify vdpram source to enable telephony module.
[Type] bug fix
[Module] emulator-kernel / vdpram
[Priority]
[CQ#]
[Redmine#]
[Problem] ioctl function signature has been changed on kernel 3.x
[Cause]
[Solution] change ioctl to unlocked_ioctl
[TestCase]
---

diff --git a/arch/x86/configs/i386_emul_defconfig b/arch/x86/configs/i386_emul_defconfig
index b1e51b19ac5d..c704c5fd867d 100644
--- a/arch/x86/configs/i386_emul_defconfig
+++ b/arch/x86/configs/i386_emul_defconfig
@@ -1646,7 +1646,7 @@ CONFIG_HPET=y
 # CONFIG_TELCLOCK is not set
 CONFIG_DEVPORT=y
 # CONFIG_RAMOOPS is not set
-# CONFIG_VDPRAM_DEVICE is not set
+CONFIG_VDPRAM_DEVICE=y
 CONFIG_VIRTIOGL=y
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
diff --git a/drivers/char/vdpram.c b/drivers/char/vdpram.c
index d9418e95a3b5..eb5c9305b696 100755
--- a/drivers/char/vdpram.c
+++ b/drivers/char/vdpram.c
@@ -108,8 +108,7 @@ static struct queue_t *queue;
 static int vdpram_fasync(int fd, struct file *filp, int mode);
 static int spacefree(struct vdpram_dev *dev);
 
-int vdpram_ioctl(struct inode *inode, struct file *filp,
-                 unsigned int cmd,  unsigned long  arg);
+long vdpram_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
 
 /* Open and close */
 static int vdpram_open(struct inode *inode, struct file *filp)
@@ -117,8 +116,6 @@ static int vdpram_open(struct inode *inode, struct file *filp)
 	struct vdpram_dev *dev;
 	int index;
 
-
-
 	dev = container_of(inode->i_cdev, struct vdpram_dev, cdev);
 	filp->private_data = dev;
 	index = dev->index ;
@@ -502,7 +499,7 @@ struct file_operations vdpram_even_fops = {
 	.open =		vdpram_open,
 	.release =	vdpram_release,
 	.fasync =	vdpram_fasync,
-	.ioctl =	vdpram_ioctl,
+	.unlocked_ioctl = vdpram_ioctl,
 };
 
 struct file_operations vdpram_odd_fops = {
@@ -514,18 +511,16 @@ struct file_operations vdpram_odd_fops = {
 	.open =		vdpram_open,
 	.release =	vdpram_release,
 	.fasync =	vdpram_fasync,
-	.ioctl =	vdpram_ioctl,
+	.unlocked_ioctl = vdpram_ioctl,
 };
 
-int vdpram_ioctl(struct inode *inode, struct file *filp,
-                 unsigned int cmd, unsigned long arg)
+long vdpram_ioctl(struct file* filp, unsigned int cmd, unsigned long arg)
 {
 	struct vdpram_dev *dev;
 	struct vdpram_status_dev dev_status;
 	int index;
 
-	dev = container_of(inode->i_cdev, struct vdpram_dev, cdev);
-	filp->private_data = dev;
+	dev = (struct vdpram_dev*)filp->private_data;
 	index = dev->index ;
 
 	memset( &dev_status, 0, sizeof(struct vdpram_status_dev));
@@ -642,7 +637,8 @@ int vdpram_init(void)
 	memset(queue, 0, vdpram_nr_devs * sizeof(struct queue_t));
 	for (i = 0; i < vdpram_nr_devs; i++) {
 #ifdef VDPRAM_LOCK_ENABLE
-		init_MUTEX(&buffer[i].sem);
+//		init_MUTEX(&buffer[i].sem);
+		sema_init(&buffer[i].sem, 1);
 #endif //VDPRAM_LOCK_ENABLE
 		buffer[i].begin = kmalloc(vdpram_buffer, GFP_KERNEL);
 		buffer[i].buffersize = vdpram_buffer;