s3fb: add sparse annotations
Add sparse annotations and use fb_read/fb_write and family to access the
framebuffer.
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/s3fb.c b/drivers/video/s3fb.c
index c348813..f3470bb 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -164,7 +164,7 @@
static void s3fb_settile_fast(struct fb_info *info, struct fb_tilemap *map)
{
const u8 *font = map->data;
- u8* fb = (u8 *) info->screen_base;
+ u8 __iomem *fb = (u8 __iomem *) info->screen_base;
int i, c;
if ((map->width != 8) || (map->height != 16) ||
@@ -177,7 +177,7 @@
fb += 2;
for (i = 0; i < map->height; i++) {
for (c = 0; c < map->length; c++) {
- fb[c * 4] = font[c * map->height + i];
+ fb_writeb(font[c * map->height + i], fb + c * 4);
}
fb += 1024;
}
@@ -656,7 +656,7 @@
value = ((value * hmul) / 8) - 5;
vga_wcrt(NULL, 0x3C, (value + 1) / 2);
- memset((u8*)info->screen_base, 0x00, screen_size);
+ memset_io(info->screen_base, 0x00, screen_size);
/* Device and screen back on */
svga_wcrt_mask(0x17, 0x80, 0x80);
svga_wseq_mask(0x01, 0x00, 0x20);