Provide helpers for accessing I/O memory in a helper module. The fbdev
core uses these helpers, so select the module unconditionally for fbdev.
Drivers will later be able to select the module individually and the
helpers will become optional.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/video/fbdev/core/Kconfig | 6 ++++++
drivers/video/fbdev/core/Makefile | 3 ++-
drivers/video/fbdev/core/fb_io_fops.c | 3 +++
3 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/core/Kconfig b/drivers/video/fbdev/core/Kconfig
index 756c8603cf39b..7a3ed13bed708 100644
--- a/drivers/video/fbdev/core/Kconfig
+++ b/drivers/video/fbdev/core/Kconfig
@@ -4,6 +4,7 @@
#
config FB_CORE
+ select FB_IOMEM_FOPS
select VIDEO_CMDLINE
tristate
@@ -144,12 +145,17 @@ config FB_DMAMEM_HELPERS
select FB_SYS_FOPS
select FB_SYS_IMAGEBLIT
+config FB_IOMEM_FOPS
+ tristate
+ depends on FB_CORE
+
config FB_IOMEM_HELPERS
bool
depends on FB_CORE
select FB_CFB_COPYAREA
select FB_CFB_FILLRECT
select FB_CFB_IMAGEBLIT
+ select FB_IOMEM_FOPS
config FB_IOMEM_HELPERS_DEFERRED
bool
diff --git a/drivers/video/fbdev/core/Makefile b/drivers/video/fbdev/core/Makefile
index 36d3156dc759c..c1d657601b2be 100644
--- a/drivers/video/fbdev/core/Makefile
+++ b/drivers/video/fbdev/core/Makefile
@@ -3,7 +3,7 @@ obj-$(CONFIG_FB_NOTIFY) += fb_notify.o
obj-$(CONFIG_FB_CORE) += fb.o
fb-y := fb_info.o \
fbmem.o fbcmap.o \
- modedb.o fbcvt.o fb_cmdline.o fb_io_fops.o
+ modedb.o fbcvt.o fb_cmdline.o
ifdef CONFIG_FB
fb-y += fb_backlight.o fbmon.o
endif
@@ -28,6 +28,7 @@ fb-$(CONFIG_LOGO) += fb_logo.o
obj-$(CONFIG_FB_CFB_FILLRECT) += cfbfillrect.o
obj-$(CONFIG_FB_CFB_COPYAREA) += cfbcopyarea.o
obj-$(CONFIG_FB_CFB_IMAGEBLIT) += cfbimgblt.o
+obj-$(CONFIG_FB_IOMEM_FOPS) += fb_io_fops.o
obj-$(CONFIG_FB_SYS_FILLRECT) += sysfillrect.o
obj-$(CONFIG_FB_SYS_COPYAREA) += syscopyarea.o
obj-$(CONFIG_FB_SYS_IMAGEBLIT) += sysimgblt.o
diff --git a/drivers/video/fbdev/core/fb_io_fops.c b/drivers/video/fbdev/core/fb_io_fops.c
index 5985e5e1b040c..871b829521af3 100644
--- a/drivers/video/fbdev/core/fb_io_fops.c
+++ b/drivers/video/fbdev/core/fb_io_fops.c
@@ -131,3 +131,6 @@ ssize_t fb_io_write(struct fb_info *info, const char __user *buf, size_t count,
return (cnt) ? cnt : err;
}
EXPORT_SYMBOL(fb_io_write);
+
+MODULE_DESCRIPTION("Fbdev helpers for framebuffers in I/O memory");
+MODULE_LICENSE("GPL");
--
2.42.0
