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-rw-r--r--drivers/macintosh/Kconfig6
-rw-r--r--drivers/macintosh/ans-lcd.c3
-rw-r--r--drivers/macintosh/rack-meter.c7
-rw-r--r--drivers/macintosh/via-pmu.c17
-rw-r--r--drivers/macintosh/windfarm_cpufreq_clamp.c91
-rw-r--r--drivers/macintosh/windfarm_fcu_controls.c4
-rw-r--r--drivers/macintosh/windfarm_lm87_sensor.c4
-rw-r--r--drivers/macintosh/windfarm_pm72.c22
-rw-r--r--drivers/macintosh/windfarm_rm31.c6
9 files changed, 94 insertions, 66 deletions
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 574e122ae105..cbd46c1c5bf7 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -178,7 +178,7 @@ config THERM_ADT746X
depends on I2C && I2C_POWERMAC && PPC_PMAC && !PPC_PMAC64
help
This driver provides some thermostat and fan control for the
- iBook G4, and the ATI based aluminium PowerBooks, allowing slightly
+ iBook G4, and the ATI based aluminium PowerBooks, allowing slightly
better fan behaviour by default, and some manual control.
config WINDFARM
@@ -214,7 +214,7 @@ config WINDFARM_PM91
select I2C_POWERMAC
help
This driver provides thermal control for the PowerMac9,1
- which is the recent (SMU based) single CPU desktop G5
+ which is the recent (SMU based) single CPU desktop G5
config WINDFARM_PM112
tristate "Support for thermal management on PowerMac11,2"
@@ -242,7 +242,7 @@ config PMAC_RACKMETER
depends on PPC_PMAC
help
This driver provides some support to control the front panel
- blue LEDs "vu-meter" of the XServer macs.
+ blue LEDs "vu-meter" of the XServer macs.
config SENSORS_AMS
tristate "Apple Motion Sensor driver"
diff --git a/drivers/macintosh/ans-lcd.c b/drivers/macintosh/ans-lcd.c
index 400960cf04d5..b1314d104b06 100644
--- a/drivers/macintosh/ans-lcd.c
+++ b/drivers/macintosh/ans-lcd.c
@@ -147,7 +147,8 @@ static struct miscdevice anslcd_dev = {
&anslcd_fops
};
-const char anslcd_logo[] = "********************" /* Line #1 */
+static const char anslcd_logo[] __initconst =
+ "********************" /* Line #1 */
"* LINUX! *" /* Line #3 */
"* Welcome to *" /* Line #2 */
"********************"; /* Line #4 */
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index 4134e580f786..60311e8d6240 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -81,13 +81,14 @@ static int rackmeter_ignore_nice;
*/
static inline u64 get_cpu_idle_time(unsigned int cpu)
{
+ struct kernel_cpustat *kcpustat = &kcpustat_cpu(cpu);
u64 retval;
- retval = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE] +
- kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT];
+ retval = kcpustat->cpustat[CPUTIME_IDLE] +
+ kcpustat->cpustat[CPUTIME_IOWAIT];
if (rackmeter_ignore_nice)
- retval += kcpustat_cpu(cpu).cpustat[CPUTIME_NICE];
+ retval += kcpustat_field(kcpustat, CPUTIME_NICE, cpu);
return retval;
}
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 21d532a78fa4..d38fb78a3b23 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -212,7 +212,7 @@ static int pmu_info_proc_show(struct seq_file *m, void *v);
static int pmu_irqstats_proc_show(struct seq_file *m, void *v);
static int pmu_battery_proc_show(struct seq_file *m, void *v);
static void pmu_pass_intr(unsigned char *data, int len);
-static const struct file_operations pmu_options_proc_fops;
+static const struct proc_ops pmu_options_proc_ops;
#ifdef CONFIG_ADB
const struct adb_driver via_pmu_driver = {
@@ -573,7 +573,7 @@ static int __init via_pmu_dev_init(void)
proc_pmu_irqstats = proc_create_single("interrupts", 0,
proc_pmu_root, pmu_irqstats_proc_show);
proc_pmu_options = proc_create("options", 0600, proc_pmu_root,
- &pmu_options_proc_fops);
+ &pmu_options_proc_ops);
}
return 0;
}
@@ -974,13 +974,12 @@ static ssize_t pmu_options_proc_write(struct file *file,
return fcount;
}
-static const struct file_operations pmu_options_proc_fops = {
- .owner = THIS_MODULE,
- .open = pmu_options_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = pmu_options_proc_write,
+static const struct proc_ops pmu_options_proc_ops = {
+ .proc_open = pmu_options_proc_open,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = single_release,
+ .proc_write = pmu_options_proc_write,
};
#ifdef CONFIG_ADB
diff --git a/drivers/macintosh/windfarm_cpufreq_clamp.c b/drivers/macintosh/windfarm_cpufreq_clamp.c
index 52fd5fca89a0..7b726f00f183 100644
--- a/drivers/macintosh/windfarm_cpufreq_clamp.c
+++ b/drivers/macintosh/windfarm_cpufreq_clamp.c
@@ -3,9 +3,11 @@
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/delay.h>
+#include <linux/pm_qos.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/wait.h>
+#include <linux/cpu.h>
#include <linux/cpufreq.h>
#include <asm/prom.h>
@@ -16,36 +18,24 @@
static int clamped;
static struct wf_control *clamp_control;
-
-static int clamp_notifier_call(struct notifier_block *self,
- unsigned long event, void *data)
-{
- struct cpufreq_policy *p = data;
- unsigned long max_freq;
-
- if (event != CPUFREQ_ADJUST)
- return 0;
-
- max_freq = clamped ? (p->cpuinfo.min_freq) : (p->cpuinfo.max_freq);
- cpufreq_verify_within_limits(p, 0, max_freq);
-
- return 0;
-}
-
-static struct notifier_block clamp_notifier = {
- .notifier_call = clamp_notifier_call,
-};
+static struct freq_qos_request qos_req;
+static unsigned int min_freq, max_freq;
static int clamp_set(struct wf_control *ct, s32 value)
{
- if (value)
+ unsigned int freq;
+
+ if (value) {
+ freq = min_freq;
printk(KERN_INFO "windfarm: Clamping CPU frequency to "
"minimum !\n");
- else
+ } else {
+ freq = max_freq;
printk(KERN_INFO "windfarm: CPU frequency unclamped !\n");
+ }
clamped = value;
- cpufreq_update_policy(0);
- return 0;
+
+ return freq_qos_update_request(&qos_req, freq);
}
static int clamp_get(struct wf_control *ct, s32 *value)
@@ -74,27 +64,66 @@ static const struct wf_control_ops clamp_ops = {
static int __init wf_cpufreq_clamp_init(void)
{
+ struct cpufreq_policy *policy;
struct wf_control *clamp;
+ struct device *dev;
+ int ret;
+
+ policy = cpufreq_cpu_get(0);
+ if (!policy) {
+ pr_warn("%s: cpufreq policy not found cpu0\n", __func__);
+ return -EPROBE_DEFER;
+ }
+
+ min_freq = policy->cpuinfo.min_freq;
+ max_freq = policy->cpuinfo.max_freq;
+
+ ret = freq_qos_add_request(&policy->constraints, &qos_req, FREQ_QOS_MAX,
+ max_freq);
+
+ cpufreq_cpu_put(policy);
+
+ if (ret < 0) {
+ pr_err("%s: Failed to add freq constraint (%d)\n", __func__,
+ ret);
+ return ret;
+ }
+
+ dev = get_cpu_device(0);
+ if (unlikely(!dev)) {
+ pr_warn("%s: No cpu device for cpu0\n", __func__);
+ ret = -ENODEV;
+ goto fail;
+ }
clamp = kmalloc(sizeof(struct wf_control), GFP_KERNEL);
- if (clamp == NULL)
- return -ENOMEM;
- cpufreq_register_notifier(&clamp_notifier, CPUFREQ_POLICY_NOTIFIER);
+ if (clamp == NULL) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
clamp->ops = &clamp_ops;
clamp->name = "cpufreq-clamp";
- if (wf_register_control(clamp))
- goto fail;
+ ret = wf_register_control(clamp);
+ if (ret)
+ goto free;
+
clamp_control = clamp;
return 0;
- fail:
+
+ free:
kfree(clamp);
- return -ENODEV;
+ fail:
+ freq_qos_remove_request(&qos_req);
+ return ret;
}
static void __exit wf_cpufreq_clamp_exit(void)
{
- if (clamp_control)
+ if (clamp_control) {
wf_unregister_control(clamp_control);
+ freq_qos_remove_request(&qos_req);
+ }
}
diff --git a/drivers/macintosh/windfarm_fcu_controls.c b/drivers/macintosh/windfarm_fcu_controls.c
index 3c971297b6dc..67daeec94b44 100644
--- a/drivers/macintosh/windfarm_fcu_controls.c
+++ b/drivers/macintosh/windfarm_fcu_controls.c
@@ -468,9 +468,7 @@ static void wf_fcu_lookup_fans(struct wf_fcu_priv *pv)
else
id = ((*reg) - 0x30) / 2;
if (id > 7) {
- pr_warning("wf_fcu: Can't parse "
- "fan ID in device-tree for %pOF\n",
- np);
+ pr_warn("wf_fcu: Can't parse fan ID in device-tree for %pOF\n", np);
break;
}
wf_fcu_add_fan(pv, name, type, id);
diff --git a/drivers/macintosh/windfarm_lm87_sensor.c b/drivers/macintosh/windfarm_lm87_sensor.c
index e44525b19071..b03a33b803b7 100644
--- a/drivers/macintosh/windfarm_lm87_sensor.c
+++ b/drivers/macintosh/windfarm_lm87_sensor.c
@@ -124,8 +124,8 @@ static int wf_lm87_probe(struct i2c_client *client,
}
}
if (!name) {
- pr_warning("wf_lm87: Unsupported sensor %pOF\n",
- client->dev.of_node);
+ pr_warn("wf_lm87: Unsupported sensor %pOF\n",
+ client->dev.of_node);
return -ENODEV;
}
diff --git a/drivers/macintosh/windfarm_pm72.c b/drivers/macintosh/windfarm_pm72.c
index c5da0fc24884..e81746b87cff 100644
--- a/drivers/macintosh/windfarm_pm72.c
+++ b/drivers/macintosh/windfarm_pm72.c
@@ -285,8 +285,8 @@ static void cpu_fans_tick_split(void)
/* Apply result directly to exhaust fan */
err = wf_control_set(cpu_rear_fans[cpu], sp->target);
if (err) {
- pr_warning("wf_pm72: Fan %s reports error %d\n",
- cpu_rear_fans[cpu]->name, err);
+ pr_warn("wf_pm72: Fan %s reports error %d\n",
+ cpu_rear_fans[cpu]->name, err);
failure_state |= FAILURE_FAN;
break;
}
@@ -296,8 +296,8 @@ static void cpu_fans_tick_split(void)
DBG_LOTS(" CPU%d: intake = %d RPM\n", cpu, intake);
err = wf_control_set(cpu_front_fans[cpu], intake);
if (err) {
- pr_warning("wf_pm72: Fan %s reports error %d\n",
- cpu_front_fans[cpu]->name, err);
+ pr_warn("wf_pm72: Fan %s reports error %d\n",
+ cpu_front_fans[cpu]->name, err);
failure_state |= FAILURE_FAN;
break;
}
@@ -367,22 +367,22 @@ static void cpu_fans_tick_combined(void)
for (cpu = 0; cpu < nr_chips; cpu++) {
err = wf_control_set(cpu_rear_fans[cpu], sp->target);
if (err) {
- pr_warning("wf_pm72: Fan %s reports error %d\n",
- cpu_rear_fans[cpu]->name, err);
+ pr_warn("wf_pm72: Fan %s reports error %d\n",
+ cpu_rear_fans[cpu]->name, err);
failure_state |= FAILURE_FAN;
}
err = wf_control_set(cpu_front_fans[cpu], intake);
if (err) {
- pr_warning("wf_pm72: Fan %s reports error %d\n",
- cpu_front_fans[cpu]->name, err);
+ pr_warn("wf_pm72: Fan %s reports error %d\n",
+ cpu_front_fans[cpu]->name, err);
failure_state |= FAILURE_FAN;
}
err = 0;
if (cpu_pumps[cpu])
err = wf_control_set(cpu_pumps[cpu], pump);
if (err) {
- pr_warning("wf_pm72: Pump %s reports error %d\n",
- cpu_pumps[cpu]->name, err);
+ pr_warn("wf_pm72: Pump %s reports error %d\n",
+ cpu_pumps[cpu]->name, err);
failure_state |= FAILURE_FAN;
}
}
@@ -561,7 +561,7 @@ static void drives_fan_tick(void)
err = wf_sensor_get(drives_temp, &temp);
if (err) {
- pr_warning("wf_pm72: drive bay temp sensor error %d\n", err);
+ pr_warn("wf_pm72: drive bay temp sensor error %d\n", err);
failure_state |= FAILURE_SENSOR;
wf_control_set_max(drives_fan);
return;
diff --git a/drivers/macintosh/windfarm_rm31.c b/drivers/macintosh/windfarm_rm31.c
index 8456eb67184b..7acd1684c451 100644
--- a/drivers/macintosh/windfarm_rm31.c
+++ b/drivers/macintosh/windfarm_rm31.c
@@ -281,8 +281,8 @@ static void cpu_fans_tick(void)
for (i = 0; i < 3; i++) {
err = wf_control_set(cpu_fans[cpu][i], speed);
if (err) {
- pr_warning("wf_rm31: Fan %s reports error %d\n",
- cpu_fans[cpu][i]->name, err);
+ pr_warn("wf_rm31: Fan %s reports error %d\n",
+ cpu_fans[cpu][i]->name, err);
failure_state |= FAILURE_FAN;
}
}
@@ -465,7 +465,7 @@ static void slots_fan_tick(void)
err = wf_sensor_get(slots_temp, &temp);
if (err) {
- pr_warning("wf_rm31: slots temp sensor error %d\n", err);
+ pr_warn("wf_rm31: slots temp sensor error %d\n", err);
failure_state |= FAILURE_SENSOR;
wf_control_set_max(slots_fan);
return;
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