netdev - [PATCH net-next v2 1/2] scripts: kernel-doc: parse DEFINE_DMA_UNMAP

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Date: Mon, 14 Aug 2023 10:07:19 -0700
From: Pavan Kumar Linga <pavan.kumar.linga@...el.com>
To: 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,
	rdunlap@...radead.org,
	Pavan Kumar Linga <pavan.kumar.linga@...el.com>
Subject: [PATCH net-next v2 1/2] scripts: kernel-doc: parse DEFINE_DMA_UNMAP_[ADDR|LEN]

At present, if the macros DEFINE_DMA_UNMAP_ADDR() and
DEFINE_DMA_UNMAP_LEN() are used in the structures as shown
below, instead of parsing the parameter in the 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>
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
-- 
2.38.1