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Diffstat (limited to 'include/linux/fb.h')
-rw-r--r--include/linux/fb.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 94e2c44c6569..a36d05b576b0 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -536,6 +536,7 @@ extern ssize_t fb_io_read(struct fb_info *info, char __user *buf,
size_t count, loff_t *ppos);
extern ssize_t fb_io_write(struct fb_info *info, const char __user *buf,
size_t count, loff_t *ppos);
+int fb_io_mmap(struct fb_info *info, struct vm_area_struct *vma);
#define __FB_DEFAULT_IOMEM_OPS_RDWR \
.fb_read = fb_io_read, \
@@ -547,7 +548,7 @@ extern ssize_t fb_io_write(struct fb_info *info, const char __user *buf,
.fb_imageblit = cfb_imageblit
#define __FB_DEFAULT_IOMEM_OPS_MMAP \
- .fb_mmap = NULL /* default implementation */
+ .fb_mmap = fb_io_mmap
#define FB_DEFAULT_IOMEM_OPS \
__FB_DEFAULT_IOMEM_OPS_RDWR, \