48 	struct msm_rng *rng = to_msm_rng(hwrng);  in msm_rng_enable()  local
52 	ret = clk_prepare_enable(rng->clk);  in msm_rng_enable()
58 		val = readl_relaxed(rng->base + PRNG_CONFIG);  in msm_rng_enable()
62 		val = readl_relaxed(rng->base + PRNG_LFSR_CFG);  in msm_rng_enable()
65 		writel(val, rng->base + PRNG_LFSR_CFG);  in msm_rng_enable()
67 		val = readl_relaxed(rng->base + PRNG_CONFIG);  in msm_rng_enable()
69 		writel(val, rng->base + PRNG_CONFIG);  in msm_rng_enable()
71 		val = readl_relaxed(rng->base + PRNG_CONFIG);  in msm_rng_enable()
73 		writel(val, rng->base + PRNG_CONFIG);  in msm_rng_enable()
77 	clk_disable_unprepare(rng->clk);  in msm_rng_enable()
83 	struct msm_rng *rng = to_msm_rng(hwrng);  in msm_rng_read()  local
97 	ret = clk_prepare_enable(rng->clk);  in msm_rng_read()
103 		val = readl_relaxed(rng->base + PRNG_STATUS);  in msm_rng_read()
107 		val = readl_relaxed(rng->base + PRNG_DATA_OUT);  in msm_rng_read()
119 	clk_disable_unprepare(rng->clk);  in msm_rng_read()
137 	struct msm_rng *rng;  in msm_rng_probe()  local
140 	rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL);  in msm_rng_probe()
141 	if (!rng)  in msm_rng_probe()
144 	platform_set_drvdata(pdev, rng);  in msm_rng_probe()
147 	rng->base = devm_ioremap_resource(&pdev->dev, res);  in msm_rng_probe()
148 	if (IS_ERR(rng->base))  in msm_rng_probe()
149 		return PTR_ERR(rng->base);  in msm_rng_probe()
151 	rng->clk = devm_clk_get(&pdev->dev, "core");  in msm_rng_probe()
152 	if (IS_ERR(rng->clk))  in msm_rng_probe()
153 		return PTR_ERR(rng->clk);  in msm_rng_probe()
155 	rng->hwrng.name = KBUILD_MODNAME,  in msm_rng_probe()
156 	rng->hwrng.init = msm_rng_init,  in msm_rng_probe()
157 	rng->hwrng.cleanup = msm_rng_cleanup,  in msm_rng_probe()
158 	rng->hwrng.read = msm_rng_read,  in msm_rng_probe()
160 	ret = devm_hwrng_register(&pdev->dev, &rng->hwrng);  in msm_rng_probe()