Frame buffer deferred I/O is entirely reliant on the page faulting mechanism (and thus, an MMU) to function. Express this dependency in the Kconfig, as otherwise randconfig could generate invalid configurations resulting in build errors. Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202502020030.MnEJ847Z-lkp@xxxxxxxxx/ --- drivers/video/fbdev/core/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/fbdev/core/Kconfig b/drivers/video/fbdev/core/Kconfig index d554d8c543d4..154804914680 100644 --- a/drivers/video/fbdev/core/Kconfig +++ b/drivers/video/fbdev/core/Kconfig @@ -135,6 +135,7 @@ config FB_SYSMEM_FOPS config FB_DEFERRED_IO bool depends on FB_CORE + depends on MMU config FB_DMAMEM_HELPERS bool -- 2.48.1
