linux-kernel - [PATCH 6/6] dmaengine: txx9dmac: simplify getting .drvdata

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Message-Id: <20180422091415.7587-7-wsa+renesas@sang-engineering.com>
Date:   Sun, 22 Apr 2018 11:14:14 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     dmaengine@...r.kernel.org
Cc:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Vinod Koul <vinod.koul@...el.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 6/6] dmaengine: txx9dmac: simplify getting .drvdata

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---

Build tested only. buildbot is happy. Please apply to your tree directly.

 drivers/dma/txx9dmac.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index 4d8c7b9078fd..eb45af71d3a3 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -1244,8 +1244,7 @@ static void txx9dmac_shutdown(struct platform_device *pdev)
 
 static int txx9dmac_suspend_noirq(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct txx9dmac_dev *ddev = platform_get_drvdata(pdev);
+	struct txx9dmac_dev *ddev = dev_get_drvdata(dev);
 
 	txx9dmac_off(ddev);
 	return 0;
@@ -1253,9 +1252,8 @@ static int txx9dmac_suspend_noirq(struct device *dev)
 
 static int txx9dmac_resume_noirq(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct txx9dmac_dev *ddev = platform_get_drvdata(pdev);
-	struct txx9dmac_platform_data *pdata = dev_get_platdata(&pdev->dev);
+	struct txx9dmac_dev *ddev = dev_get_drvdata(dev);
+	struct txx9dmac_platform_data *pdata = dev_get_platdata(dev);
 	u32 mcr;
 
 	mcr = TXX9_DMA_MCR_MSTEN | MCR_LE;
-- 
2.11.0