V4L/DVB: v4l2-dev: remove get_unmapped_area

The get_unmapped_area file operation is unused. Remove.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c
index f069c61..5a54eab 100644 (file)
--- a/drivers/media/video/v4l2-dev.c
+++ b/drivers/media/video/v4l2-dev.c
@@ -236,23 +236,6 @@ static long v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
        return ret;
 }
 
-#ifdef CONFIG_MMU
-#define v4l2_get_unmapped_area NULL
-#else
-static unsigned long v4l2_get_unmapped_area(struct file *filp,
-               unsigned long addr, unsigned long len, unsigned long pgoff,
-               unsigned long flags)
-{
-       struct video_device *vdev = video_devdata(filp);
-
-       if (!vdev->fops->get_unmapped_area)
-               return -ENOSYS;
-       if (!video_is_registered(vdev))
-               return -ENODEV;
-       return vdev->fops->get_unmapped_area(filp, addr, len, pgoff, flags);
-}
-#endif
-
 static int v4l2_mmap(struct file *filp, struct vm_area_struct *vm)
 {
        struct video_device *vdev = video_devdata(filp);
@@ -309,7 +292,6 @@ static const struct file_operations v4l2_fops = {
        .read = v4l2_read,
        .write = v4l2_write,
        .open = v4l2_open,
-       .get_unmapped_area = v4l2_get_unmapped_area,
        .mmap = v4l2_mmap,
        .unlocked_ioctl = v4l2_ioctl,
 #ifdef CONFIG_COMPAT

diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 8ad4f9f..ba236ff 100644 (file)
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -41,8 +41,6 @@ struct v4l2_file_operations {
        unsigned int (*poll) (struct file *, struct poll_table_struct *);
        long (*ioctl) (struct file *, unsigned int, unsigned long);
        long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
-       unsigned long (*get_unmapped_area) (struct file *, unsigned long,
-                               unsigned long, unsigned long, unsigned long);
        int (*mmap) (struct file *, struct vm_area_struct *);
        int (*open) (struct file *);
        int (*release) (struct file *);