Mailing List Archive

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 <gang.chen@asianux.com>
---
drivers/uio/Kconfig | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig
index a81d163..f91ec11 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
--
1.7.7.6
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