linux-kernel - [PATCH] dmaengine: sf-pdma: fix kernel-doc W=1 warning

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Message-Id: <20191115031013.30448-1-green.wan@sifive.com>
Date:   Fri, 15 Nov 2019 11:10:09 +0800
From:   Green Wan <green.wan@...ive.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Green Wan <green.wan@...ive.com>, Vinod Koul <vkoul@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] dmaengine: sf-pdma: fix kernel-doc W=1 warning

Fix kernel-doc W=1 warning. There are several comments starting from "/**"
but not for function comment purpose. Remove them to fix the warning.
Another definition in front of function causes warning. Move definition
to header file.

kernel-doc warning:

drivers/dma/sf-pdma/sf-pdma.c:28: warning: Function parameter or member
	'addr' not described in 'readq'
drivers/dma/sf-pdma/sf-pdma.c:438: warning: Function parameter or member
	'ch' not described in 'SF_PDMA_REG_BASE'
drivers/dma/sf-pdma/sf-pdma.c:438: warning: Excess function parameter
	'pdma' description in 'SF_PDMA_REG_BASE'

Changes:
 - Replace string '/**' with '/*' not for comment purpose
 - Move definition, "SF_PDMA_REG_BASE", fomr sf-pdma.c to sf-pdma.h

Signed-off-by: Green Wan <green.wan@...ive.com>
---
 drivers/dma/sf-pdma/sf-pdma.c | 3 +--
 drivers/dma/sf-pdma/sf-pdma.h | 4 +++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/sf-pdma/sf-pdma.c b/drivers/dma/sf-pdma/sf-pdma.c
index 16fe00553496..465256fe8b1f 100644
--- a/drivers/dma/sf-pdma/sf-pdma.c
+++ b/drivers/dma/sf-pdma/sf-pdma.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
  * SiFive FU540 Platform DMA driver
  * Copyright (C) 2019 SiFive
  *
@@ -435,7 +435,6 @@ static int sf_pdma_irq_init(struct platform_device *pdev, struct sf_pdma *pdma)
  *
  * Return: none
  */
-#define SF_PDMA_REG_BASE(ch)	(pdma->membase + (PDMA_CHAN_OFFSET * (ch)))
 static void sf_pdma_setup_chans(struct sf_pdma *pdma)
 {
 	int i;
diff --git a/drivers/dma/sf-pdma/sf-pdma.h b/drivers/dma/sf-pdma/sf-pdma.h
index 55816c9e0249..0c20167b097d 100644
--- a/drivers/dma/sf-pdma/sf-pdma.h
+++ b/drivers/dma/sf-pdma/sf-pdma.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
-/**
+/*
  * SiFive FU540 Platform DMA driver
  * Copyright (C) 2019 SiFive
  *
@@ -57,6 +57,8 @@
 /* Error Recovery */
 #define MAX_RETRY					1
 
+#define SF_PDMA_REG_BASE(ch)	(pdma->membase + (PDMA_CHAN_OFFSET * (ch)))
+
 struct pdma_regs {
 	/* read-write regs */
 	void __iomem *ctrl;		/* 4 bytes */

base-commit: a7e335deed174a37fc6f84f69caaeff8a08f8ff8
-- 
2.17.1