17 #include <linux/clk.h>
63 	old_freq = clk_get_rate(policy->clk) / 1000;  in s3c64xx_cpufreq_set_target()
64 	new_freq = s3c64xx_freq_table[index].frequency;  in s3c64xx_cpufreq_set_target()
70 					    dvfs->vddarm_min,  in s3c64xx_cpufreq_set_target()
71 					    dvfs->vddarm_max);  in s3c64xx_cpufreq_set_target()
80 	ret = clk_set_rate(policy->clk, new_freq * 1000);  in s3c64xx_cpufreq_set_target()
90 					    dvfs->vddarm_min,  in s3c64xx_cpufreq_set_target()
91 					    dvfs->vddarm_max);  in s3c64xx_cpufreq_set_target()
95 			if (clk_set_rate(policy->clk, old_freq * 1000) < 0)  in s3c64xx_cpufreq_set_target()
103 	pr_debug("Set actual frequency %lukHz\n",  in s3c64xx_cpufreq_set_target()
104 		 clk_get_rate(policy->clk) / 1000);  in s3c64xx_cpufreq_set_target()
122 		goto out;  in s3c64xx_cpufreq_config_regulator()
125 		dvfs = &s3c64xx_dvfs_table[freq->driver_data];  in s3c64xx_cpufreq_config_regulator()
130 			if (v >= dvfs->vddarm_min && v <= dvfs->vddarm_max)  in s3c64xx_cpufreq_config_regulator()
136 				 freq->frequency);  in s3c64xx_cpufreq_config_regulator()
137 			freq->frequency = CPUFREQ_ENTRY_INVALID;  in s3c64xx_cpufreq_config_regulator()
141 out:  in s3c64xx_cpufreq_config_regulator()
153 	if (policy->cpu != 0)  in s3c64xx_cpufreq_driver_init()
154 		return -EINVAL;  in s3c64xx_cpufreq_driver_init()
157 		pr_err("No frequency information for this CPU\n");  in s3c64xx_cpufreq_driver_init()
158 		return -ENODEV;  in s3c64xx_cpufreq_driver_init()
161 	policy->clk = clk_get(NULL, "armclk");  in s3c64xx_cpufreq_driver_init()
162 	if (IS_ERR(policy->clk)) {  in s3c64xx_cpufreq_driver_init()
164 		       PTR_ERR(policy->clk));  in s3c64xx_cpufreq_driver_init()
165 		return PTR_ERR(policy->clk);  in s3c64xx_cpufreq_driver_init()
173 		pr_err("Only frequency scaling available\n");  in s3c64xx_cpufreq_driver_init()
184 		r = clk_round_rate(policy->clk, freq->frequency * 1000);  in s3c64xx_cpufreq_driver_init()
186 		if (r != freq->frequency) {  in s3c64xx_cpufreq_driver_init()
188 				 freq->frequency);  in s3c64xx_cpufreq_driver_init()
189 			freq->frequency = CPUFREQ_ENTRY_INVALID;  in s3c64xx_cpufreq_driver_init()
193 		 * frequency is the maximum we can support. */  in s3c64xx_cpufreq_driver_init()
194 		if (!vddarm && freq->frequency > clk_get_rate(policy->clk) / 1000)  in s3c64xx_cpufreq_driver_init()
195 			freq->frequency = CPUFREQ_ENTRY_INVALID;  in s3c64xx_cpufreq_driver_init()
205 		pr_err("Failed to configure frequency table: %d\n",  in s3c64xx_cpufreq_driver_init()
208 		clk_put(policy->clk);  in s3c64xx_cpufreq_driver_init()