6.11-stable review patch. If anyone has any objections, please let me know.
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From: Arnd Bergmann arnd@arndb.de
[ Upstream commit 51521d2e2c35959cc70a62ccddf694965e29c950 ]
The fb_io_mmap() function is used in the file operations but not enabled in all configurations unless FB_IOMEM_FOPS gets selected:
ld.lld-20: error: undefined symbol: fb_io_mmap referenced by wm8505fb.c drivers/video/fbdev/wm8505fb.o:(wm8505fb_ops) in archive vmlinux.a
Fixes: 11754a504608 ("fbdev/wm8505fb: Initialize fb_ops to fbdev I/O-memory helpers") Signed-off-by: Arnd Bergmann arnd@arndb.de Reviewed-by: Thomas Zimmermann tzimmermann@suse.de Signed-off-by: Helge Deller deller@gmx.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/video/fbdev/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index ea36c6956bf36..1af0ccf7967ab 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -1374,6 +1374,7 @@ config FB_VT8500 config FB_WM8505 bool "Wondermedia WM8xxx-series frame buffer support" depends on (FB = y) && HAS_IOMEM && (ARCH_VT8500 || COMPILE_TEST) + select FB_IOMEM_FOPS select FB_SYS_FILLRECT if (!FB_WMT_GE_ROPS) select FB_SYS_COPYAREA if (!FB_WMT_GE_ROPS) select FB_SYS_IMAGEBLIT