From 17a7b0b4d9749f80d365d7baff5dec2f54b0e992 Mon Sep 17 00:00:00 2001
From: Lars Svensson <lars1.svensson@sonymobile.com>
Date: Wed, 7 Oct 2015 09:20:12 +0200
Subject: [PATCH] fb.h: Provide alternate screen_base pointer
Some drivers use member screen_base of struct fb_info to store non-
__iomem pointers, creating the need for ugly __force typecasts to
avoid sparse warnings. This adds an alternate pointer without the
__iomem qualifyer for this use.
Signed-off-by: Lars Svensson <lars1.svensson@sonymobile.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/fb.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/linux/fb.h b/include/linux/fb.h
index bc9afa74ee11c..41a3b11f77962 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -483,7 +483,10 @@ struct fb_info {
#ifdef CONFIG_FB_TILEBLITTING
struct fb_tile_ops *tileops; /* Tile Blitting */
#endif
- char __iomem *screen_base; /* Virtual address */
+ union {
+ char __iomem *screen_base; /* Virtual address */
+ char *screen_buffer;
+ };
unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
void *pseudo_palette; /* Fake palette of 16 colors */
#define FBINFO_STATE_RUNNING 0
--
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