linux-kernel - [PATCH 5/6] dmaengine: ste_dma40: simplify getting .drvdata

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Date:   Sun, 22 Apr 2018 11:14:13 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     dmaengine@...r.kernel.org
Cc:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Vinod Koul <vinod.koul@...el.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 5/6] dmaengine: ste_dma40: 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/ste_dma40.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index c2b089af0420..1bc149af990e 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2889,8 +2889,7 @@ static int __init d40_dmaengine_init(struct d40_base *base,
 #ifdef CONFIG_PM_SLEEP
 static int dma40_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct d40_base *base = platform_get_drvdata(pdev);
+	struct d40_base *base = dev_get_drvdata(dev);
 	int ret;
 
 	ret = pm_runtime_force_suspend(dev);
@@ -2904,8 +2903,7 @@ static int dma40_suspend(struct device *dev)
 
 static int dma40_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct d40_base *base = platform_get_drvdata(pdev);
+	struct d40_base *base = dev_get_drvdata(dev);
 	int ret = 0;
 
 	if (base->lcpa_regulator) {
@@ -2970,8 +2968,7 @@ static void d40_save_restore_registers(struct d40_base *base, bool save)
 
 static int dma40_runtime_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct d40_base *base = platform_get_drvdata(pdev);
+	struct d40_base *base = dev_get_drvdata(dev);
 
 	d40_save_restore_registers(base, true);
 
@@ -2985,8 +2982,7 @@ static int dma40_runtime_suspend(struct device *dev)
 
 static int dma40_runtime_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct d40_base *base = platform_get_drvdata(pdev);
+	struct d40_base *base = dev_get_drvdata(dev);
 
 	d40_save_restore_registers(base, false);
 
-- 
2.11.0