[PATCH 33/46] fbdev/sa1100fb: Initialize fb_ops to fbdev I/O-memory helpers

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Initialize the instance of struct fb_ops with fbdev initializer
macros for framebuffers in I/O address space. Set the read/write,
draw and mmap callbacks to the correct implementation and avoid
implicit defaults. Also select the necessary I/O helpers in Kconfig.

Fbdev drivers sometimes rely on the callbacks being NULL for a
default implementation to be invoked; hence requiring the I/O
helpers to be built in any case. Setting all callbacks in all
drivers explicitly will allow to make the I/O helpers optional.
This benefits systems that do not use these functions.

No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
 drivers/video/fbdev/Kconfig    | 4 +---
 drivers/video/fbdev/sa1100fb.c | 5 ++---
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 4f9dab566c28c..061af94837f99 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -159,9 +159,7 @@ config FB_CLPS711X
 config FB_SA1100
 	bool "SA-1100 LCD support"
 	depends on (FB = y) && ARM && ARCH_SA1100
-	select FB_CFB_FILLRECT
-	select FB_CFB_COPYAREA
-	select FB_CFB_IMAGEBLIT
+	select FB_IOMEM_HELPERS
 	help
 	  This is a framebuffer device for the SA-1100 LCD Controller.
 	  See <http://www.linux-fbdev.org/> for information on framebuffer
diff --git a/drivers/video/fbdev/sa1100fb.c b/drivers/video/fbdev/sa1100fb.c
index 3d76ce1114882..446b44e172e15 100644
--- a/drivers/video/fbdev/sa1100fb.c
+++ b/drivers/video/fbdev/sa1100fb.c
@@ -575,14 +575,13 @@ static int sa1100fb_mmap(struct fb_info *info,
 
 static const struct fb_ops sa1100fb_ops = {
 	.owner		= THIS_MODULE,
+	__FB_DEFAULT_IOMEM_OPS_RDWR,
 	.fb_check_var	= sa1100fb_check_var,
 	.fb_set_par	= sa1100fb_set_par,
 //	.fb_set_cmap	= sa1100fb_set_cmap,
 	.fb_setcolreg	= sa1100fb_setcolreg,
-	.fb_fillrect	= cfb_fillrect,
-	.fb_copyarea	= cfb_copyarea,
-	.fb_imageblit	= cfb_imageblit,
 	.fb_blank	= sa1100fb_blank,
+	__FB_DEFAULT_IOMEM_OPS_DRAW,
 	.fb_mmap	= sa1100fb_mmap,
 };
 
-- 
2.42.0




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