33 	struct atmel_trng *trng = container_of(rng, struct atmel_trng, rng);  in atmel_trng_read()  local
37 	if (readl(trng->base + TRNG_ISR) & 1) {  in atmel_trng_read()
38 		*data = readl(trng->base + TRNG_ODATA);  in atmel_trng_read()
45 		readl(trng->base + TRNG_ISR);  in atmel_trng_read()
53 	struct atmel_trng *trng;  in atmel_trng_probe()  local
57 	trng = devm_kzalloc(&pdev->dev, sizeof(*trng), GFP_KERNEL);  in atmel_trng_probe()
58 	if (!trng)  in atmel_trng_probe()
62 	trng->base = devm_ioremap_resource(&pdev->dev, res);  in atmel_trng_probe()
63 	if (IS_ERR(trng->base))  in atmel_trng_probe()
64 		return PTR_ERR(trng->base);  in atmel_trng_probe()
66 	trng->clk = devm_clk_get(&pdev->dev, NULL);  in atmel_trng_probe()
67 	if (IS_ERR(trng->clk))  in atmel_trng_probe()
68 		return PTR_ERR(trng->clk);  in atmel_trng_probe()
70 	ret = clk_prepare_enable(trng->clk);  in atmel_trng_probe()
74 	writel(TRNG_KEY | 1, trng->base + TRNG_CR);  in atmel_trng_probe()
75 	trng->rng.name = pdev->name;  in atmel_trng_probe()
76 	trng->rng.read = atmel_trng_read;  in atmel_trng_probe()
78 	ret = hwrng_register(&trng->rng);  in atmel_trng_probe()
82 	platform_set_drvdata(pdev, trng);  in atmel_trng_probe()
87 	clk_disable(trng->clk);  in atmel_trng_probe()
93 	struct atmel_trng *trng = platform_get_drvdata(pdev);  in atmel_trng_remove()  local
95 	hwrng_unregister(&trng->rng);  in atmel_trng_remove()
97 	writel(TRNG_KEY, trng->base + TRNG_CR);  in atmel_trng_remove()
98 	clk_disable_unprepare(trng->clk);  in atmel_trng_remove()
106 	struct atmel_trng *trng = dev_get_drvdata(dev);  in atmel_trng_suspend()  local
108 	clk_disable_unprepare(trng->clk);  in atmel_trng_suspend()
115 	struct atmel_trng *trng = dev_get_drvdata(dev);  in atmel_trng_resume()  local
117 	return clk_prepare_enable(trng->clk);  in atmel_trng_resume()