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path: root/drivers/cpufreq/pmac64-cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/pmac64-cpufreq.c')
-rw-r--r--drivers/cpufreq/pmac64-cpufreq.c47
1 files changed, 23 insertions, 24 deletions
diff --git a/drivers/cpufreq/pmac64-cpufreq.c b/drivers/cpufreq/pmac64-cpufreq.c
index 4ff86878727f..267e0894c62d 100644
--- a/drivers/cpufreq/pmac64-cpufreq.c
+++ b/drivers/cpufreq/pmac64-cpufreq.c
@@ -12,6 +12,8 @@
#undef DEBUG
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/types.h>
#include <linux/errno.h>
@@ -138,7 +140,7 @@ static void g5_vdnap_switch_volt(int speed_mode)
usleep_range(1000, 1000);
}
if (done == 0)
- printk(KERN_WARNING "cpufreq: Timeout in clock slewing !\n");
+ pr_warn("Timeout in clock slewing !\n");
}
@@ -266,7 +268,7 @@ static int g5_pfunc_switch_freq(int speed_mode)
rc = pmf_call_one(pfunc_cpu_setfreq_low, NULL);
if (rc)
- printk(KERN_WARNING "cpufreq: pfunc switch error %d\n", rc);
+ pr_warn("pfunc switch error %d\n", rc);
/* It's an irq GPIO so we should be able to just block here,
* I'll do that later after I've properly tested the IRQ code for
@@ -282,7 +284,7 @@ static int g5_pfunc_switch_freq(int speed_mode)
usleep_range(500, 500);
}
if (done == 0)
- printk(KERN_WARNING "cpufreq: Timeout in clock slewing !\n");
+ pr_warn("Timeout in clock slewing !\n");
/* If frequency is going down, last ramp the voltage */
if (speed_mode > g5_pmode_cur)
@@ -368,7 +370,7 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpunode)
}
pvr_hi = (*valp) >> 16;
if (pvr_hi != 0x3c && pvr_hi != 0x44) {
- printk(KERN_ERR "cpufreq: Unsupported CPU version\n");
+ pr_err("Unsupported CPU version\n");
goto bail_noprops;
}
@@ -403,8 +405,7 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpunode)
root = of_find_node_by_path("/");
if (root == NULL) {
- printk(KERN_ERR "cpufreq: Can't find root of "
- "device tree\n");
+ pr_err("Can't find root of device tree\n");
goto bail_noprops;
}
pfunc_set_vdnap0 = pmf_find_function(root, "set-vdnap0");
@@ -412,8 +413,7 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpunode)
pmf_find_function(root, "slewing-done");
if (pfunc_set_vdnap0 == NULL ||
pfunc_vdnap0_complete == NULL) {
- printk(KERN_ERR "cpufreq: Can't find required "
- "platform function\n");
+ pr_err("Can't find required platform function\n");
goto bail_noprops;
}
@@ -453,10 +453,10 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpunode)
g5_pmode_cur = -1;
g5_switch_freq(g5_query_freq());
- printk(KERN_INFO "Registering G5 CPU frequency driver\n");
- printk(KERN_INFO "Frequency method: %s, Voltage method: %s\n",
- freq_method, volt_method);
- printk(KERN_INFO "Low: %d Mhz, High: %d Mhz, Cur: %d MHz\n",
+ pr_info("Registering G5 CPU frequency driver\n");
+ pr_info("Frequency method: %s, Voltage method: %s\n",
+ freq_method, volt_method);
+ pr_info("Low: %d Mhz, High: %d Mhz, Cur: %d MHz\n",
g5_cpu_freqs[1].frequency/1000,
g5_cpu_freqs[0].frequency/1000,
g5_cpu_freqs[g5_pmode_cur].frequency/1000);
@@ -493,7 +493,7 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpunode)
if (cpuid != NULL)
eeprom = of_get_property(cpuid, "cpuid", NULL);
if (eeprom == NULL) {
- printk(KERN_ERR "cpufreq: Can't find cpuid EEPROM !\n");
+ pr_err("Can't find cpuid EEPROM !\n");
rc = -ENODEV;
goto bail;
}
@@ -511,7 +511,7 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpunode)
break;
}
if (hwclock == NULL) {
- printk(KERN_ERR "cpufreq: Can't find i2c clock chip !\n");
+ pr_err("Can't find i2c clock chip !\n");
rc = -ENODEV;
goto bail;
}
@@ -539,7 +539,7 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpunode)
/* Check we have minimum requirements */
if (pfunc_cpu_getfreq == NULL || pfunc_cpu_setfreq_high == NULL ||
pfunc_cpu_setfreq_low == NULL || pfunc_slewing_done == NULL) {
- printk(KERN_ERR "cpufreq: Can't find platform functions !\n");
+ pr_err("Can't find platform functions !\n");
rc = -ENODEV;
goto bail;
}
@@ -567,7 +567,7 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpunode)
/* Get max frequency from device-tree */
valp = of_get_property(cpunode, "clock-frequency", NULL);
if (!valp) {
- printk(KERN_ERR "cpufreq: Can't find CPU frequency !\n");
+ pr_err("Can't find CPU frequency !\n");
rc = -ENODEV;
goto bail;
}
@@ -583,8 +583,7 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpunode)
/* Check for machines with no useful settings */
if (il == ih) {
- printk(KERN_WARNING "cpufreq: No low frequency mode available"
- " on this model !\n");
+ pr_warn("No low frequency mode available on this model !\n");
rc = -ENODEV;
goto bail;
}
@@ -595,7 +594,7 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpunode)
/* Sanity check */
if (min_freq >= max_freq || min_freq < 1000) {
- printk(KERN_ERR "cpufreq: Can't calculate low frequency !\n");
+ pr_err("Can't calculate low frequency !\n");
rc = -ENXIO;
goto bail;
}
@@ -619,10 +618,10 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpunode)
g5_pmode_cur = -1;
g5_switch_freq(g5_query_freq());
- printk(KERN_INFO "Registering G5 CPU frequency driver\n");
- printk(KERN_INFO "Frequency method: i2c/pfunc, "
- "Voltage method: %s\n", has_volt ? "i2c/pfunc" : "none");
- printk(KERN_INFO "Low: %d Mhz, High: %d Mhz, Cur: %d MHz\n",
+ pr_info("Registering G5 CPU frequency driver\n");
+ pr_info("Frequency method: i2c/pfunc, Voltage method: %s\n",
+ has_volt ? "i2c/pfunc" : "none");
+ pr_info("Low: %d Mhz, High: %d Mhz, Cur: %d MHz\n",
g5_cpu_freqs[1].frequency/1000,
g5_cpu_freqs[0].frequency/1000,
g5_cpu_freqs[g5_pmode_cur].frequency/1000);
@@ -654,7 +653,7 @@ static int __init g5_cpufreq_init(void)
/* Get first CPU node */
cpunode = of_cpu_device_node_get(0);
if (cpunode == NULL) {
- pr_err("cpufreq: Can't find any CPU node\n");
+ pr_err("Can't find any CPU node\n");
return -ENODEV;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 07:44:04 +0100