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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