#include <linux/cpufreq.h>
#include <linux/init.h>
#include <linux/sysdev.h>
-#include <linux/i2c.h>
#include <linux/hardirq.h>
#include <asm/prom.h>
#include <asm/machdep.h>
static u32 read_gpio(struct device_node *np)
{
- u32 *reg = (u32 *)get_property(np, "reg", NULL);
+ const u32 *reg = of_get_property(np, "reg", NULL);
u32 offset;
if (reg == NULL)
"frequency-gpio");
struct device_node *slew_done_gpio_np = of_find_node_by_name(NULL,
"slewing-done");
- u32 *value;
+ const u32 *value;
/*
* Check to see if it's GPIO driven or PMU only
*/
if (frequency_gpio && slew_done_gpio) {
int lenp, rc;
- u32 *freqs, *ratio;
+ const u32 *freqs, *ratio;
- freqs = (u32 *)get_property(cpunode, "bus-frequencies", &lenp);
+ freqs = of_get_property(cpunode, "bus-frequencies", &lenp);
lenp /= sizeof(u32);
if (freqs == NULL || lenp != 2) {
printk(KERN_ERR "cpufreq: bus-frequencies incorrect or missing\n");
return 1;
}
- ratio = (u32 *)get_property(cpunode, "processor-to-bus-ratio*2", NULL);
+ ratio = of_get_property(cpunode, "processor-to-bus-ratio*2",
+ NULL);
if (ratio == NULL) {
printk(KERN_ERR "cpufreq: processor-to-bus-ratio*2 missing\n");
return 1;
/* If we use the PMU, look for the min & max frequencies in the
* device-tree
*/
- value = (u32 *)get_property(cpunode, "min-clock-frequency", NULL);
+ value = of_get_property(cpunode, "min-clock-frequency", NULL);
if (!value)
return 1;
low_freq = (*value) / 1000;
if (low_freq < 100000)
low_freq *= 10;
- value = (u32 *)get_property(cpunode, "max-clock-frequency", NULL);
+ value = of_get_property(cpunode, "max-clock-frequency", NULL);
if (!value)
return 1;
hi_freq = (*value) / 1000;
{
struct device_node *volt_gpio_np;
- if (get_property(cpunode, "dynamic-power-step", NULL) == NULL)
+ if (of_get_property(cpunode, "dynamic-power-step", NULL) == NULL)
return 1;
volt_gpio_np = of_find_node_by_name(NULL, "cpu-vcore-select");
static int pmac_cpufreq_init_750FX(struct device_node *cpunode)
{
struct device_node *volt_gpio_np;
- u32 pvr, *value;
+ u32 pvr;
+ const u32 *value;
- if (get_property(cpunode, "dynamic-power-step", NULL) == NULL)
+ if (of_get_property(cpunode, "dynamic-power-step", NULL) == NULL)
return 1;
hi_freq = cur_freq;
- value = (u32 *)get_property(cpunode, "reduced-clock-frequency", NULL);
+ value = of_get_property(cpunode, "reduced-clock-frequency", NULL);
if (!value)
return 1;
low_freq = (*value) / 1000;
static int __init pmac_cpufreq_setup(void)
{
struct device_node *cpunode;
- u32 *value;
+ const u32 *value;
if (strstr(cmd_line, "nocpufreq"))
return 0;
/* Assume only one CPU */
- cpunode = find_type_devices("cpu");
+ cpunode = of_find_node_by_type(NULL, "cpu");
if (!cpunode)
goto out;
/* Get current cpu clock freq */
- value = (u32 *)get_property(cpunode, "clock-frequency", NULL);
+ value = of_get_property(cpunode, "clock-frequency", NULL);
if (!value)
goto out;
cur_freq = (*value) / 1000;
/* Check for 7447A based MacRISC3 */
if (machine_is_compatible("MacRISC3") &&
- get_property(cpunode, "dynamic-power-step", NULL) &&
+ of_get_property(cpunode, "dynamic-power-step", NULL) &&
PVR_VER(mfspr(SPRN_PVR)) == 0x8003) {
pmac_cpufreq_init_7447A(cpunode);
/* Check for other MacRISC3 machines */
else if (PVR_VER(mfspr(SPRN_PVR)) == 0x7000)
pmac_cpufreq_init_750FX(cpunode);
out:
+ of_node_put(cpunode);
if (set_speed_proc == NULL)
return -ENODEV;