36 static int mxs_ocotp_wait(struct mxs_ocotp *otp)  in mxs_ocotp_wait()  argument
42 		status = readl(otp->base);  in mxs_ocotp_wait()
61 	struct mxs_ocotp *otp = context;  in mxs_ocotp_read()  local
65 	ret = clk_enable(otp->clk);  in mxs_ocotp_read()
69 	writel(BM_OCOTP_CTRL_ERROR, otp->base + STMP_OFFSET_REG_CLR);  in mxs_ocotp_read()
71 	ret = mxs_ocotp_wait(otp);  in mxs_ocotp_read()
76 	writel(BM_OCOTP_CTRL_RD_BANK_OPEN, otp->base + STMP_OFFSET_REG_SET);  in mxs_ocotp_read()
81 	ret = mxs_ocotp_wait(otp);  in mxs_ocotp_read()
90 			*buf++ = readl(otp->base + offset);  in mxs_ocotp_read()
99 	writel(BM_OCOTP_CTRL_RD_BANK_OPEN, otp->base + STMP_OFFSET_REG_CLR);  in mxs_ocotp_read()
102 	clk_disable(otp->clk);  in mxs_ocotp_read()
142 	struct mxs_ocotp *otp;  in mxs_ocotp_probe()  local
150 	otp = devm_kzalloc(dev, sizeof(*otp), GFP_KERNEL);  in mxs_ocotp_probe()
151 	if (!otp)  in mxs_ocotp_probe()
154 	otp->base = devm_platform_ioremap_resource(pdev, 0);  in mxs_ocotp_probe()
155 	if (IS_ERR(otp->base))  in mxs_ocotp_probe()
156 		return PTR_ERR(otp->base);  in mxs_ocotp_probe()
158 	otp->clk = devm_clk_get(&pdev->dev, NULL);  in mxs_ocotp_probe()
159 	if (IS_ERR(otp->clk))  in mxs_ocotp_probe()
160 		return PTR_ERR(otp->clk);  in mxs_ocotp_probe()
162 	ret = clk_prepare(otp->clk);  in mxs_ocotp_probe()
168 	ret = devm_add_action_or_reset(&pdev->dev, mxs_ocotp_action, otp->clk);  in mxs_ocotp_probe()
175 	ocotp_config.priv = otp;  in mxs_ocotp_probe()
177 	otp->nvmem = devm_nvmem_register(dev, &ocotp_config);  in mxs_ocotp_probe()
178 	if (IS_ERR(otp->nvmem))  in mxs_ocotp_probe()
179 		return PTR_ERR(otp->nvmem);  in mxs_ocotp_probe()
181 	platform_set_drvdata(pdev, otp);  in mxs_ocotp_probe()