54 struct mxc_rng {  struct
64 	struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng);  in mxc_rnga_data_present()  argument
68 		int level = (__raw_readl(mxc_rng->mem + RNGA_STATUS) &  in mxc_rnga_data_present()
81 	struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng);  in mxc_rnga_data_read()  local
84 	*data = __raw_readl(mxc_rng->mem + RNGA_OUTPUT_FIFO);  in mxc_rnga_data_read()
87 	err = __raw_readl(mxc_rng->mem + RNGA_STATUS) & RNGA_STATUS_ERROR_INT;  in mxc_rnga_data_read()
91 		dev_dbg(mxc_rng->dev, "Error while reading random number!\n");  in mxc_rnga_data_read()
92 		ctrl = __raw_readl(mxc_rng->mem + RNGA_CONTROL);  in mxc_rnga_data_read()
94 					mxc_rng->mem + RNGA_CONTROL);  in mxc_rnga_data_read()
103 	struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng);  in mxc_rnga_init()  local
106 	ctrl = __raw_readl(mxc_rng->mem + RNGA_CONTROL);  in mxc_rnga_init()
107 	__raw_writel(ctrl & ~RNGA_CONTROL_SLEEP, mxc_rng->mem + RNGA_CONTROL);  in mxc_rnga_init()
110 	osc = __raw_readl(mxc_rng->mem + RNGA_STATUS);  in mxc_rnga_init()
112 		dev_err(mxc_rng->dev, "RNGA Oscillator is dead!\n");  in mxc_rnga_init()
117 	ctrl = __raw_readl(mxc_rng->mem + RNGA_CONTROL);  in mxc_rnga_init()
118 	__raw_writel(ctrl | RNGA_CONTROL_GO, mxc_rng->mem + RNGA_CONTROL);  in mxc_rnga_init()
126 	struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng);  in mxc_rnga_cleanup()  local
128 	ctrl = __raw_readl(mxc_rng->mem + RNGA_CONTROL);  in mxc_rnga_cleanup()
131 	__raw_writel(ctrl & ~RNGA_CONTROL_GO, mxc_rng->mem + RNGA_CONTROL);  in mxc_rnga_cleanup()
137 	struct mxc_rng *mxc_rng;  in mxc_rnga_probe()  local
139 	mxc_rng = devm_kzalloc(&pdev->dev, sizeof(*mxc_rng), GFP_KERNEL);  in mxc_rnga_probe()
140 	if (!mxc_rng)  in mxc_rnga_probe()
143 	mxc_rng->dev = &pdev->dev;  in mxc_rnga_probe()
144 	mxc_rng->rng.name = "mxc-rnga";  in mxc_rnga_probe()
145 	mxc_rng->rng.init = mxc_rnga_init;  in mxc_rnga_probe()
146 	mxc_rng->rng.cleanup = mxc_rnga_cleanup;  in mxc_rnga_probe()
147 	mxc_rng->rng.data_present = mxc_rnga_data_present;  in mxc_rnga_probe()
148 	mxc_rng->rng.data_read = mxc_rnga_data_read;  in mxc_rnga_probe()
150 	mxc_rng->clk = devm_clk_get(&pdev->dev, NULL);  in mxc_rnga_probe()
151 	if (IS_ERR(mxc_rng->clk)) {  in mxc_rnga_probe()
153 		return PTR_ERR(mxc_rng->clk);  in mxc_rnga_probe()
156 	err = clk_prepare_enable(mxc_rng->clk);  in mxc_rnga_probe()
160 	mxc_rng->mem = devm_platform_ioremap_resource(pdev, 0);  in mxc_rnga_probe()
161 	if (IS_ERR(mxc_rng->mem)) {  in mxc_rnga_probe()
162 		err = PTR_ERR(mxc_rng->mem);  in mxc_rnga_probe()
166 	err = hwrng_register(&mxc_rng->rng);  in mxc_rnga_probe()
175 	clk_disable_unprepare(mxc_rng->clk);  in mxc_rnga_probe()
181 	struct mxc_rng *mxc_rng = platform_get_drvdata(pdev);  in mxc_rnga_remove()  local
183 	hwrng_unregister(&mxc_rng->rng);  in mxc_rnga_remove()
185 	clk_disable_unprepare(mxc_rng->clk);  in mxc_rnga_remove()