linux-kernel - [RFC PATCH] dmaengine: sf-pdma: sf_pdma_disclaim

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Date:   Sun, 13 Oct 2019 21:04:47 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Green Wan <green.wan@...ive.com>
Cc:     kbuild-all@...ts.01.org, linux-hackers@...ive.com,
        Green Wan <green.wan@...ive.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Palmer Dabbelt <palmer@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Dan Williams <dan.j.williams@...el.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Bin Meng <bmeng.cn@...il.com>,
        Yash Shah <yash.shah@...ive.com>,
        Sagar Kadam <sagar.kadam@...ive.com>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH] dmaengine: sf-pdma: sf_pdma_disclaim_chan() can be static


Fixes: 31c3b98b5a01 ("dmaengine: sf-pdma: add platform DMA support for HiFive Unleashed A00")
Signed-off-by: kbuild test robot <lkp@...el.com>
---
 sf-pdma.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/sf-pdma/sf-pdma.c b/drivers/dma/sf-pdma/sf-pdma.c
index 70197ad95c1a6..973ed9d8cfa44 100644
--- a/drivers/dma/sf-pdma/sf-pdma.c
+++ b/drivers/dma/sf-pdma/sf-pdma.c
@@ -97,14 +97,14 @@ static void sf_pdma_fill_desc(struct sf_pdma_chan *chan,
 	writeq(src, regs->src_addr);
 }
 
-void sf_pdma_disclaim_chan(struct sf_pdma_chan *chan)
+static void sf_pdma_disclaim_chan(struct sf_pdma_chan *chan)
 {
 	struct pdma_regs *regs = &chan->regs;
 
 	writel(PDMA_CLEAR_CTRL, regs->ctrl);
 }
 
-struct dma_async_tx_descriptor *
+static struct dma_async_tx_descriptor *
 	sf_pdma_prep_dma_memcpy(struct dma_chan *dchan,
 				dma_addr_t dest,
 				dma_addr_t src,