crypto: drivers - 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@sang-engineering.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/exynos-rng.c

@@ -319,8 +319,7 @@ static int exynos_rng_remove(struct platform_device *pdev)
 
 static int __maybe_unused exynos_rng_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct exynos_rng_dev *rng = platform_get_drvdata(pdev);
+	struct exynos_rng_dev *rng = dev_get_drvdata(dev);
 	int ret;
 
 	/* If we were never seeded then after resume it will be the same */
@@ -350,8 +349,7 @@ static int __maybe_unused exynos_rng_suspend(struct device *dev)
 
 static int __maybe_unused exynos_rng_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct exynos_rng_dev *rng = platform_get_drvdata(pdev);
+	struct exynos_rng_dev *rng = dev_get_drvdata(dev);
 	int ret;
 
 	/* Never seeded so nothing to do */

drivers/crypto/picoxcell_crypto.c

@@ -1169,8 +1169,7 @@ static void spacc_spacc_complete(unsigned long data)
 #ifdef CONFIG_PM
 static int spacc_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct spacc_engine *engine = platform_get_drvdata(pdev);
+	struct spacc_engine *engine = dev_get_drvdata(dev);
 
 	/*
 	 * We only support standby mode. All we have to do is gate the clock to
@@ -1184,8 +1183,7 @@ static int spacc_suspend(struct device *dev)
 
 static int spacc_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct spacc_engine *engine = platform_get_drvdata(pdev);
+	struct spacc_engine *engine = dev_get_drvdata(dev);
 
 	return clk_enable(engine->clk);
 }