linux-kernel - [PATCH v2 4/9] dmaengine: fsl-edma-common: export fsl_edma_set_tcd

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Message-Id: <1594748508-22179-5-git-send-email-yibin.gong@nxp.com>
Date:   Wed, 15 Jul 2020 01:41:43 +0800
From:   Robin Gong <yibin.gong@....com>
To:     vkoul@...nel.org, robh+dt@...nel.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, festevam@...il.com,
        catalin.marinas@....com, will@...nel.org, dan.j.williams@...el.com,
        angelo@...am.it
Cc:     kernel@...gutronix.de, linux-imx@....com,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 4/9] dmaengine: fsl-edma-common: export fsl_edma_set_tcd_regs

Preparing for edma3 since it need to be called in fsl-edma3.c

Signed-off-by: Robin Gong <yibin.gong@....com>
---
 drivers/dma/fsl-edma-common.c | 3 ++-
 drivers/dma/fsl-edma-common.h | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c
index 6ef083c..05d56d8 100644
--- a/drivers/dma/fsl-edma-common.c
+++ b/drivers/dma/fsl-edma-common.c
@@ -343,7 +343,7 @@ enum dma_status fsl_edma_tx_status(struct dma_chan *chan,
 }
 EXPORT_SYMBOL_GPL(fsl_edma_tx_status);
 
-static void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan,
+void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan,
 				  struct fsl_edma_hw_tcd *tcd)
 {
 	struct fsl_edma_engine *edma = fsl_chan->edma;
@@ -374,6 +374,7 @@ static void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan,
 
 	edma_writew(edma, le16_to_cpu(tcd->csr), &regs->tcd[ch].csr);
 }
+EXPORT_SYMBOL_GPL(fsl_edma_set_tcd_regs);
 
 static inline
 void fsl_edma_fill_tcd(struct fsl_edma_chan *fsl_chan,
diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h
index 87c8d7a..56f29f3 100644
--- a/drivers/dma/fsl-edma-common.h
+++ b/drivers/dma/fsl-edma-common.h
@@ -249,5 +249,7 @@ int fsl_edma_alloc_chan_resources(struct dma_chan *chan);
 void fsl_edma_free_chan_resources(struct dma_chan *chan);
 void fsl_edma_cleanup_vchan(struct dma_device *dmadev);
 void fsl_edma_setup_regs(struct fsl_edma_engine *edma);
+void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan,
+				struct fsl_edma_hw_tcd *tcd);
 
 #endif /* _FSL_EDMA_COMMON_H_ */
-- 
2.7.4