Re: [PATCH] cxl: Include range.h in cxl.h

[Dave Jiang <dave.jiang@intel.com>]

On 7/1/25 7:33 AM, Nathan Chancellor wrote:
> After commit aefeb286b960 ("libnvdimm: Don't use "proxy" headers"),
> range.h may not be implicitly included, resulting in a build error:
> 
>   In file included from drivers/cxl/core/features.c:8:
>   drivers/cxl/cxl.h:365:22: error: field 'hpa_range' has incomplete type
>     365 |         struct range hpa_range;
>         |                      ^~~~~~~~~
>   drivers/cxl/cxl.h:562:22: error: field 'hpa_range' has incomplete type
>     562 |         struct range hpa_range;
>         |                      ^~~~~~~~~
>   drivers/cxl/cxl.h:570:22: error: field 'hpa_range' has incomplete type
>     570 |         struct range hpa_range;
>         |                      ^~~~~~~~~
>   drivers/cxl/cxl.h:803:22: error: array type has incomplete element type 'struct range'
>     803 |         struct range dvsec_range[2];
>         |                      ^~~~~~~~~~~
> 
> Include range.h in cxl.h explicitly to clear up the errors.
> 
> Fixes: aefeb286b960 ("libnvdimm: Don't use "proxy" headers")
> Signed-off-by: Nathan Chancellor <nathan@kernel.org>

Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> ---
>  drivers/cxl/cxl.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
> index 3f1695c96abc..b941ff94fe0a 100644
> --- a/drivers/cxl/cxl.h
> +++ b/drivers/cxl/cxl.h
> @@ -11,6 +11,7 @@
>  #include <linux/log2.h>
>  #include <linux/node.h>
>  #include <linux/io.h>
> +#include <linux/range.h>
>  
>  extern const struct nvdimm_security_ops *cxl_security_ops;
>  
> 
> ---
> base-commit: aefeb286b960a0629273d1dc809ea36754f42d98
> change-id: 20250701-cxl-fix-struct-range-error-8475cbbf3358
> 
> Best regards,
> --  
> Nathan Chancellor <nathan@kernel.org>
> 
>