3 files changed, 11 insertions, 64 deletions

diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index 9f6e5e5..0cfe754 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -116,47 +116,6 @@ void em28xx_print_ioctl(char *name, unsigned int cmd)
 	}
 }
 
-static void *rvmalloc(size_t size)
-{
-	void *mem;
-	unsigned long adr;
-
-	size = PAGE_ALIGN(size);
-
-	mem = vmalloc_32((unsigned long)size);
-	if (!mem)
-		return NULL;
-
-	memset(mem, 0, size);
-
-	adr = (unsigned long)mem;
-	while (size > 0) {
-		SetPageReserved(vmalloc_to_page((void *)adr));
-		adr += PAGE_SIZE;
-		size -= PAGE_SIZE;
-	}
-
-	return mem;
-}
-
-static void rvfree(void *mem, size_t size)
-{
-	unsigned long adr;
-
-	if (!mem)
-		return;
-
-	size = PAGE_ALIGN(size);
-
-	adr = (unsigned long)mem;
-	while (size > 0) {
-		ClearPageReserved(vmalloc_to_page((void *)adr));
-		adr += PAGE_SIZE;
-		size -= PAGE_SIZE;
-	}
-
-	vfree(mem);
-}
 
 /*
  * em28xx_request_buffers()
@@ -167,14 +126,16 @@ u32 em28xx_request_buffers(struct em28xx *dev, u32 count)
 	const size_t imagesize = PAGE_ALIGN(dev->frame_size);	/*needs to be page aligned cause the buffers can be mapped individually! */
 	void *buff = NULL;
 	u32 i;
-	em28xx_coredbg("requested %i buffers with size %i", count, imagesize);
+	em28xx_coredbg("requested %i buffers with size %zd", count, imagesize);
 	if (count > EM28XX_NUM_FRAMES)
 		count = EM28XX_NUM_FRAMES;
 
 	dev->num_frames = count;
 	while (dev->num_frames > 0) {
-		if ((buff = rvmalloc(dev->num_frames * imagesize)))
+		if ((buff = vmalloc_32(dev->num_frames * imagesize))) {
+			memset(buff, 0, dev->num_frames * imagesize);
 			break;
+		}
 		dev->num_frames--;
 	}
 
@@ -217,8 +178,7 @@ void em28xx_queue_unusedframes(struct em28xx *dev)
 void em28xx_release_buffers(struct em28xx *dev)
 {
 	if (dev->num_frames) {
-		rvfree(dev->frame[0].bufmem,
-		       dev->num_frames * PAGE_ALIGN(dev->frame[0].buf.length));
+		vfree(dev->frame[0].bufmem);
 		dev->num_frames = 0;
 	}
 }
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c
index b32d985..d14bcf4 100644
--- a/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/drivers/media/video/em28xx/em28xx-i2c.c
@@ -41,7 +41,7 @@ module_param(i2c_debug, int, 0644);
 MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
 
 #define dprintk1(lvl,fmt, args...) if (i2c_debug>=lvl) do {\
-			printk(fmt , ##args); } while (0)
+			printk(fmt, ##args); } while (0)
 #define dprintk2(lvl,fmt, args...) if (i2c_debug>=lvl) do{ \
 			printk(KERN_DEBUG "%s at %s: " fmt, \
 			dev->name, __FUNCTION__ , ##args); } while (0)
@@ -497,7 +497,6 @@ static struct i2c_adapter em28xx_adap_template = {
 
 static struct i2c_client em28xx_client_template = {
 	.name = "em28xx internal",
-	.flags = I2C_CLIENT_ALLOW_USE,
 };
 
 /* ----------------------------------------------------------- */
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index abec32c..3a56120 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -189,16 +189,6 @@ static DECLARE_RWSEM(em28xx_disconnect);
 
 /*********************  v4l2 interface  ******************************************/
 
-static inline unsigned long kvirt_to_pa(unsigned long adr)
-{
-	unsigned long kva, ret;
-
-	kva = (unsigned long)page_address(vmalloc_to_page((void *)adr));
-	kva |= adr & (PAGE_SIZE - 1);
-	ret = __pa(kva);
-	return ret;
-}
-
 /*
  * em28xx_config()
  * inits registers with sane defaults
@@ -616,7 +606,8 @@ static struct vm_operations_struct em28xx_vm_ops = {
 static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
 {
 	unsigned long size = vma->vm_end - vma->vm_start,
-	    start = vma->vm_start, pos, page;
+	    start = vma->vm_start;
+	void *pos;
 	u32 i;
 
 	struct em28xx *dev = filp->private_data;
@@ -657,12 +648,10 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
 	vma->vm_flags |= VM_IO;
 	vma->vm_flags |= VM_RESERVED;	/* avoid to swap out this VMA */
 
-	pos = (unsigned long)dev->frame[i].bufmem;
+	pos = dev->frame[i].bufmem;
 	while (size > 0) {	/* size is page-aligned */
-		page = vmalloc_to_pfn((void *)pos);
-		if (remap_pfn_range(vma, start, page, PAGE_SIZE,
-				    vma->vm_page_prot)) {
-			em28xx_videodbg("mmap: rename page map failed\n");
+		if (vm_insert_page(vma, start, vmalloc_to_page(pos))) {
+			em28xx_videodbg("mmap: vm_insert_page failed\n");
 			up(&dev->fileop_lock);
 			return -EAGAIN;
 		}
@@ -1895,7 +1884,6 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
 }
 
 static struct usb_driver em28xx_usb_driver = {
-	.owner = THIS_MODULE,
 	.name = "em28xx",
 	.probe = em28xx_usb_probe,
 	.disconnect = em28xx_usb_disconnect,