51 	struct tegra20_cpufreq *cpufreq = cpufreq_get_driver_data();  in tegra_get_intermediate()  local
52 	unsigned int ifreq = clk_get_rate(cpufreq->pll_p_clk) / 1000;  in tegra_get_intermediate()
68 	struct tegra20_cpufreq *cpufreq = cpufreq_get_driver_data();  in tegra_target_intermediate()  local
81 	clk_prepare_enable(cpufreq->pll_x_clk);  in tegra_target_intermediate()
83 	ret = clk_set_parent(cpufreq->cpu_clk, cpufreq->pll_p_clk);  in tegra_target_intermediate()
85 		clk_disable_unprepare(cpufreq->pll_x_clk);  in tegra_target_intermediate()
87 		cpufreq->pll_x_prepared = true;  in tegra_target_intermediate()
94 	struct tegra20_cpufreq *cpufreq = cpufreq_get_driver_data();  in tegra_target()  local
96 	unsigned int ifreq = clk_get_rate(cpufreq->pll_p_clk) / 1000;  in tegra_target()
104 		return clk_set_parent(cpufreq->cpu_clk, cpufreq->pll_p_clk);  in tegra_target()
106 	ret = clk_set_rate(cpufreq->pll_x_clk, rate * 1000);  in tegra_target()
109 		dev_err(cpufreq->dev, "Failed to change pll_x to %lu\n", rate);  in tegra_target()
111 	ret = clk_set_parent(cpufreq->cpu_clk, cpufreq->pll_x_clk);  in tegra_target()
119 	if (cpufreq->pll_x_prepared) {  in tegra_target()
120 		clk_disable_unprepare(cpufreq->pll_x_clk);  in tegra_target()
121 		cpufreq->pll_x_prepared = false;  in tegra_target()
129 	struct tegra20_cpufreq *cpufreq = cpufreq_get_driver_data();  in tegra_cpu_init()  local
132 	clk_prepare_enable(cpufreq->cpu_clk);  in tegra_cpu_init()
137 		clk_disable_unprepare(cpufreq->cpu_clk);  in tegra_cpu_init()
141 	policy->clk = cpufreq->cpu_clk;  in tegra_cpu_init()
148 	struct tegra20_cpufreq *cpufreq = cpufreq_get_driver_data();  in tegra_cpu_exit()  local
150 	clk_disable_unprepare(cpufreq->cpu_clk);  in tegra_cpu_exit()
156 	struct tegra20_cpufreq *cpufreq;  in tegra20_cpufreq_probe()  local
159 	cpufreq = devm_kzalloc(&pdev->dev, sizeof(*cpufreq), GFP_KERNEL);  in tegra20_cpufreq_probe()
160 	if (!cpufreq)  in tegra20_cpufreq_probe()
163 	cpufreq->cpu_clk = clk_get_sys(NULL, "cclk");  in tegra20_cpufreq_probe()
164 	if (IS_ERR(cpufreq->cpu_clk))  in tegra20_cpufreq_probe()
165 		return PTR_ERR(cpufreq->cpu_clk);  in tegra20_cpufreq_probe()
167 	cpufreq->pll_x_clk = clk_get_sys(NULL, "pll_x");  in tegra20_cpufreq_probe()
168 	if (IS_ERR(cpufreq->pll_x_clk)) {  in tegra20_cpufreq_probe()
169 		err = PTR_ERR(cpufreq->pll_x_clk);  in tegra20_cpufreq_probe()
173 	cpufreq->pll_p_clk = clk_get_sys(NULL, "pll_p");  in tegra20_cpufreq_probe()
174 	if (IS_ERR(cpufreq->pll_p_clk)) {  in tegra20_cpufreq_probe()
175 		err = PTR_ERR(cpufreq->pll_p_clk);  in tegra20_cpufreq_probe()
179 	cpufreq->dev = &pdev->dev;  in tegra20_cpufreq_probe()
180 	cpufreq->driver.get = cpufreq_generic_get;  in tegra20_cpufreq_probe()
181 	cpufreq->driver.attr = cpufreq_generic_attr;  in tegra20_cpufreq_probe()
182 	cpufreq->driver.init = tegra_cpu_init;  in tegra20_cpufreq_probe()
183 	cpufreq->driver.exit = tegra_cpu_exit;  in tegra20_cpufreq_probe()
184 	cpufreq->driver.flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK;  in tegra20_cpufreq_probe()
185 	cpufreq->driver.verify = cpufreq_generic_frequency_table_verify;  in tegra20_cpufreq_probe()
186 	cpufreq->driver.suspend = cpufreq_generic_suspend;  in tegra20_cpufreq_probe()
187 	cpufreq->driver.driver_data = cpufreq;  in tegra20_cpufreq_probe()
188 	cpufreq->driver.target_index = tegra_target;  in tegra20_cpufreq_probe()
189 	cpufreq->driver.get_intermediate = tegra_get_intermediate;  in tegra20_cpufreq_probe()
190 	cpufreq->driver.target_intermediate = tegra_target_intermediate;  in tegra20_cpufreq_probe()
191 	snprintf(cpufreq->driver.name, CPUFREQ_NAME_LEN, "tegra");  in tegra20_cpufreq_probe()
193 	err = cpufreq_register_driver(&cpufreq->driver);  in tegra20_cpufreq_probe()
197 	platform_set_drvdata(pdev, cpufreq);  in tegra20_cpufreq_probe()
202 	clk_put(cpufreq->pll_p_clk);  in tegra20_cpufreq_probe()
204 	clk_put(cpufreq->pll_x_clk);  in tegra20_cpufreq_probe()
206 	clk_put(cpufreq->cpu_clk);  in tegra20_cpufreq_probe()
213 	struct tegra20_cpufreq *cpufreq = platform_get_drvdata(pdev);  in tegra20_cpufreq_remove()  local
215 	cpufreq_unregister_driver(&cpufreq->driver);  in tegra20_cpufreq_remove()
217 	clk_put(cpufreq->pll_p_clk);  in tegra20_cpufreq_remove()
218 	clk_put(cpufreq->pll_x_clk);  in tegra20_cpufreq_remove()
219 	clk_put(cpufreq->cpu_clk);  in tegra20_cpufreq_remove()