From 98a1153acdc2256f866599be701439577da77db3 Mon Sep 17 00:00:00 2001 From: "Antonino A. Daplas" Date: Tue, 8 May 2007 00:38:44 -0700 Subject: [PATCH] fbdev: kill sparse warning in deferred IO Kill the following in fb_defio.c: drivers/video/fb_defio.c:40:43: warning: incorrect type in argument 1 (different address spaces) drivers/video/fb_defio.c:40:43: expected void *addr drivers/video/fb_defio.c:40:43: got char [noderef] *screen_base The framebuffer memory of these types of devices are allocated from system RAM. Signed-off-by: Antonino Daplas Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/fb_defio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c index f963f5f59b..1a8643f053 100644 --- a/drivers/video/fb_defio.c +++ b/drivers/video/fb_defio.c @@ -32,12 +32,14 @@ static struct page* fb_deferred_io_nopage(struct vm_area_struct *vma, unsigned long offset; struct page *page; struct fb_info *info = vma->vm_private_data; + /* info->screen_base is in System RAM */ + void *screen_base = (void __force *) info->screen_base; offset = (vaddr - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT); if (offset >= info->fix.smem_len) return NOPAGE_SIGBUS; - page = vmalloc_to_page(info->screen_base + offset); + page = vmalloc_to_page(screen_base + offset); if (!page) return NOPAGE_OOM; -- 2.20.1