netdev - Re: [PATCH net-next 1/2] scripts: kernel-doc: parse DEFINE_DMA_UNMAP

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Date: Fri, 11 Aug 2023 21:47:01 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Pavan Kumar Linga <pavan.kumar.linga@...el.com>, netdev@...r.kernel.org,
 kuba@...nel.org
Cc: linux-doc@...r.kernel.org, corbet@....net, emil.s.tantilov@...el.com,
 joshua.a.hay@...el.com, sridhar.samudrala@...el.com, alan.brady@...el.com,
 madhu.chittim@...el.com, jesse.brandeburg@...el.com,
 anthony.l.nguyen@...el.com, willemb@...gle.com, decot@...gle.com
Subject: Re: [PATCH net-next 1/2] scripts: kernel-doc: parse
 DEFINE_DMA_UNMAP_[ADDR|LEN]



On 8/11/23 17:25, Pavan Kumar Linga wrote:
> At present, if the marcos DEFINE_DMA_UNMAP_ADDR() and

                     macros

> DEFINE_DMA_UNMAP_LEN() are used in the structures as shown
> below, instead of parsing the parameter in the parenthesis,

                                                 parentheses

> kernel-doc parses 'DEFINE_DMA_UNMAP_ADDR(' and
> 'DEFINE_DMA_UNMAP_LEN(' which results in the following
> warnings:
> 
> drivers/net/ethernet/intel/idpf/idpf_txrx.h:201: warning: Function
> parameter or member 'DEFINE_DMA_UNMAP_ADDR(dma' not described in
> 'idpf_tx_buf'
> drivers/net/ethernet/intel/idpf/idpf_txrx.h:201: warning: Function
> parameter or member 'DEFINE_DMA_UNMAP_LEN(len' not described in
> 'idpf_tx_buf'
> 
> struct idpf_tx_buf {
> 	DEFINE_DMA_UNMAP_ADDR(dma);
> 	DEFINE_DMA_UNMAP_LEN(len);
> };
> 
> Fix the warnings by parsing DEFINE_DMA_UNMAP_ADDR() and
> DEFINE_DMA_UNMAP_LEN().
> 
> Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@...el.com>

Looks good. Thanks.
Acked-by: Randy Dunlap <rdunlap@...radead.org>

> ---
>  scripts/kernel-doc | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/scripts/kernel-doc b/scripts/kernel-doc
> index d0116c6939dc..cfb1cb223508 100755
> --- a/scripts/kernel-doc
> +++ b/scripts/kernel-doc
> @@ -1168,6 +1168,10 @@ sub dump_struct($$) {
>  	$members =~ s/DECLARE_KFIFO_PTR\s*\($args,\s*$args\)/$2 \*$1/gos;
>  	# replace DECLARE_FLEX_ARRAY
>  	$members =~ s/(?:__)?DECLARE_FLEX_ARRAY\s*\($args,\s*$args\)/$1 $2\[\]/gos;
> +	#replace DEFINE_DMA_UNMAP_ADDR
> +	$members =~ s/DEFINE_DMA_UNMAP_ADDR\s*\($args\)/dma_addr_t $1/gos;
> +	#replace DEFINE_DMA_UNMAP_LEN
> +	$members =~ s/DEFINE_DMA_UNMAP_LEN\s*\($args\)/__u32 $1/gos;
>  	my $declaration = $members;
>  
>  	# Split nested struct/union elements as newer ones

-- 
~Randy