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>

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 85d0e87..19b7f73 100644 (file)
--- 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 c668e56..db15bac 100644 (file)
--- 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,