arcfb: kill sparse warning

The framebuffer memory is allocated from system RAM (vmalloc'ed). Add __force
annotations.

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>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index 30a8369757e7..66e0bd1249e9 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -262,7 +262,8 @@ static void arcfb_lcd_update_page(struct arcfb_par *par, unsigned int upper,
         ks108_set_yaddr(par, chipindex, upper/8);
 
         linesize = par->info->var.xres/8;
-        src = par->info->screen_base + (left/8) + (upper * linesize);
+        src = (unsigned char __force *) par->info->screen_base + (left/8) +
+                (upper * linesize);
         ks108_set_xaddr(par, chipindex, left);
 
         bitmask=1;
@@ -477,7 +478,7 @@ static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t cou
         if (count) {
                 char *base_addr;
 
-                base_addr = info->screen_base;
+                base_addr = (char __force *)info->screen_base;
                 count -= copy_from_user(base_addr + p, buf, count);
                 *ppos += count;
                 err = -EFAULT;
@@ -603,7 +604,7 @@ static int arcfb_remove(struct platform_device *dev)
 
         if (info) {
                 unregister_framebuffer(info);
-                vfree(info->screen_base);
+                vfree((void __force *)info->screen_base);
                 framebuffer_release(info);
         }
         return 0;