linux-kernel - [PATCH 33/46] dmaengine: pch_dma: use dmaenginem_async_device

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Date:   Fri,  3 Aug 2018 15:20:03 +0800
From:   Huang Shijie <sjhuang@...vatar.ai>
To:     vkoul@...nel.org
Cc:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        dave.jiang@...el.com, radhey.shyam.pandey@...inx.com,
        appana.durga.rao@...inx.com, jmkrzyszt@...il.com,
        gomonovych@...il.com, peter.ujfalusi@...com, keescook@...omium.org,
        horms+renesas@...ge.net.au, geert+renesas@...der.be,
        shawnguo@...nel.org, baoyou.xie@...aro.org,
        michal.simek@...inx.com, baohua@...nel.org,
        ludovic.desroches@...rochip.com, linus.walleij@...aro.org,
        david.brown@...aro.org, Huang Shijie <sjhuang@...vatar.ai>
Subject: [PATCH 33/46] dmaengine: pch_dma: use dmaenginem_async_device_register to simplify the code

Use dmaenginem_async_device_register to simplify the code:
	remove dma_async_device_unregister.

Signed-off-by: Huang Shijie <sjhuang@...vatar.ai>
---
 drivers/dma/pch_dma.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index afd8f27bda96..505463d077c0 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -922,7 +922,7 @@ static int pch_dma_probe(struct pci_dev *pdev,
 	pd->dma.device_prep_slave_sg = pd_prep_slave_sg;
 	pd->dma.device_terminate_all = pd_device_terminate_all;
 
-	err = dma_async_device_register(&pd->dma);
+	err = dmaenginem_async_device_register(&pd->dma);
 	if (err) {
 		dev_err(&pdev->dev, "Failed to register DMA device\n");
 		goto err_free_pool;
@@ -952,8 +952,6 @@ static void pch_dma_remove(struct pci_dev *pdev)
 	struct dma_chan *chan, *_c;
 
 	if (pd) {
-		dma_async_device_unregister(&pd->dma);
-
 		free_irq(pdev->irq, pd);
 
 		list_for_each_entry_safe(chan, _c, &pd->dma.channels,
-- 
2.17.1