arcfb: use fb_sys_read()

Since arcfb's framebuffer is vmalloc'ed, use the fb_sys_read().

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 2 insertions, 0 deletions

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 85d0e8707ee..19b7f73ebc4 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -420,6 +420,7 @@ config FB_ARC
         select FB_SYS_FILLRECT
         select FB_SYS_COPYAREA
         select FB_SYS_IMAGEBLIT
+        select FB_SYS_FOPS
         help
           This enables support for the Arc Monochrome LCD board. The board
           is based on the KS-108 lcd controller and is typically a matrix
diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index c668e56c927..db15baca3f7 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -494,6 +494,7 @@ static ssize_t arcfb_write(struct fb_info *info, const char __user *buf,
 static struct fb_ops arcfb_ops = {
         .owner          = THIS_MODULE,
         .fb_open        = arcfb_open,
+        .fb_read        = fb_sys_read,
         .fb_write       = arcfb_write,
         .fb_release     = arcfb_release,
         .fb_pan_display = arcfb_pan_display,