[PATCH] V4L/DVB: (3113) Convert em28xx to use vm_insert_page instead of remap_pfn_range

[mv-sheeva.git] / drivers / media / video / em28xx / em28xx-core.c

diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index 517573221972b2fdd73fa9089078ace9721d368d..e8a1c224756731173e68c5eef407a283e53e5f2e 100644 (file)
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -116,48 +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()
@@ -174,8 +132,10 @@ u32 em28xx_request_buffers(struct em28xx *dev, u32 count)
 
        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--;
        }
 
@@ -218,8 +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;
        }
 }