From 3cc1f95283a125cf54ccf1e25065321d4385133b Mon Sep 17 00:00:00 2001 From: Chen Gang Date: Fri, 30 Aug 2013 13:01:45 +0800 Subject: drivers: uio: Kconfig: add MMU dependancy for UIO The User space I/O drivers are useful, only when user space meaningful (MMU must be enabled). So need let it depend on MMU, or can not pass compiling, the related error (allmodconfig for H8300): CC [M] drivers/uio/uio.o drivers/uio/uio.c: In function 'uio_mmap_physical': drivers/uio/uio.c:650:2: error: implicit declaration of function 'pgprot_noncached' [-Werror=implicit-function-declaration] drivers/uio/uio.c:650:20: error: incompatible types when assigning to type 'pgprot_t' from type 'int' Signed-off-by: Chen Gang Signed-off-by: Greg Kroah-Hartman --- drivers/uio/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/uio') diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig index 86d98c86e147..5a90914d856d 100644 --- a/drivers/uio/Kconfig +++ b/drivers/uio/Kconfig @@ -1,5 +1,6 @@ menuconfig UIO tristate "Userspace I/O drivers" + depends on MMU help Enable this to allow the userspace driver core code to be built. This code allows userspace programs easy access to -- cgit v1.2.3