trouble in kernel header inclusion in ./ioctls_gen.sh

[Mike Frysinger]

On 04 Mar 2015 06:40, Masatake YAMATO wrote:
> When I run ioctls_gen.sh by hand, I got some errors:
> 
>     $ ./ioctls_gen.sh ~/var/linux/include ~/var/linux/arch/x86/include
>     ...
>     /home/yamato/var/linux/include/uapi/linux/am437x-vpfe.h:122:12: error: ‘BASE_VIDIOC_PRIVATE’ undeclared (first use in this function)
>       _IOW('V', BASE_VIDIOC_PRIVATE + 1, void *)
> 		^
>     /tmp/ioctls_sym.sh.DPfTZI/asm/ioctl.h:3:43: note: in definition of macro ‘_IOC’
>      #define _IOC(dir,type,nr,size) dir, type, nr, size
>     ...
> 
> BASE_VIDIOC_PRIVATE is defined in linux/videodev2.h.
> 
> With a following patch, ioctls_gen.sh works well without above error.
> 
>     diff --git a/include/uapi/linux/am437x-vpfe.h b/include/uapi/linux/am437x-vpfe.h
>     index 9b03033f..c28b4e4 100644
>     --- a/include/uapi/linux/am437x-vpfe.h
>     +++ b/include/uapi/linux/am437x-vpfe.h
>     @@ -20,6 +20,7 @@
> 
>      #ifndef AM437X_VPFE_USER_H
>      #define AM437X_VPFE_USER_H
>     +#include <linux/videodev2.h>
> 
>      enum vpfe_ccdc_data_size {
> 	    VPFE_CCDC_DATA_16BITS = 0,
> 
> Do you think I should report this to LKML?

the v4l list, but otherwise yes.  you should be able to include any of these 
headers by themselves w/out things failing.  periodically i send one or two 
updates when i get around to it where a header fails to include another one it 
needs.
-mike
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