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Diffstat (limited to 'arch/avr32/kernel/cpu.c')
-rw-r--r--arch/avr32/kernel/cpu.c122
1 files changed, 63 insertions, 59 deletions
diff --git a/arch/avr32/kernel/cpu.c b/arch/avr32/kernel/cpu.c
index e84faffbbec..0341ae27c9e 100644
--- a/arch/avr32/kernel/cpu.c
+++ b/arch/avr32/kernel/cpu.c
@@ -6,7 +6,7 @@
* published by the Free Software Foundation.
*/
#include <linux/init.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <linux/seq_file.h>
#include <linux/cpu.h>
#include <linux/module.h>
@@ -26,137 +26,141 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices);
* XXX: If/when a SMP-capable implementation of AVR32 will ever be
* made, we must make sure that the code executes on the correct CPU.
*/
-static ssize_t show_pc0event(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_pc0event(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
unsigned long pccr;
pccr = sysreg_read(PCCR);
return sprintf(buf, "0x%lx\n", (pccr >> 12) & 0x3f);
}
-static ssize_t store_pc0event(struct sys_device *dev,
- struct sysdev_attribute *attr, const char *buf,
+static ssize_t store_pc0event(struct device *dev,
+ struct device_attribute *attr, const char *buf,
size_t count)
{
unsigned long val;
- char *endp;
+ int ret;
- val = simple_strtoul(buf, &endp, 0);
- if (endp == buf || val > 0x3f)
+ ret = kstrtoul(buf, 0, &val);
+ if (ret)
+ return ret;
+ if (val > 0x3f)
return -EINVAL;
val = (val << 12) | (sysreg_read(PCCR) & 0xfffc0fff);
sysreg_write(PCCR, val);
return count;
}
-static ssize_t show_pc0count(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_pc0count(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
unsigned long pcnt0;
pcnt0 = sysreg_read(PCNT0);
return sprintf(buf, "%lu\n", pcnt0);
}
-static ssize_t store_pc0count(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_pc0count(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
unsigned long val;
- char *endp;
+ int ret;
- val = simple_strtoul(buf, &endp, 0);
- if (endp == buf)
- return -EINVAL;
+ ret = kstrtoul(buf, 0, &val);
+ if (ret)
+ return ret;
sysreg_write(PCNT0, val);
return count;
}
-static ssize_t show_pc1event(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_pc1event(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
unsigned long pccr;
pccr = sysreg_read(PCCR);
return sprintf(buf, "0x%lx\n", (pccr >> 18) & 0x3f);
}
-static ssize_t store_pc1event(struct sys_device *dev,
- struct sysdev_attribute *attr, const char *buf,
+static ssize_t store_pc1event(struct device *dev,
+ struct device_attribute *attr, const char *buf,
size_t count)
{
unsigned long val;
- char *endp;
+ int ret;
- val = simple_strtoul(buf, &endp, 0);
- if (endp == buf || val > 0x3f)
+ ret = kstrtoul(buf, 0, &val);
+ if (ret)
+ return ret;
+ if (val > 0x3f)
return -EINVAL;
val = (val << 18) | (sysreg_read(PCCR) & 0xff03ffff);
sysreg_write(PCCR, val);
return count;
}
-static ssize_t show_pc1count(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_pc1count(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
unsigned long pcnt1;
pcnt1 = sysreg_read(PCNT1);
return sprintf(buf, "%lu\n", pcnt1);
}
-static ssize_t store_pc1count(struct sys_device *dev,
- struct sysdev_attribute *attr, const char *buf,
+static ssize_t store_pc1count(struct device *dev,
+ struct device_attribute *attr, const char *buf,
size_t count)
{
unsigned long val;
- char *endp;
+ int ret;
- val = simple_strtoul(buf, &endp, 0);
- if (endp == buf)
- return -EINVAL;
+ ret = kstrtoul(buf, 0, &val);
+ if (ret)
+ return ret;
sysreg_write(PCNT1, val);
return count;
}
-static ssize_t show_pccycles(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_pccycles(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
unsigned long pccnt;
pccnt = sysreg_read(PCCNT);
return sprintf(buf, "%lu\n", pccnt);
}
-static ssize_t store_pccycles(struct sys_device *dev,
- struct sysdev_attribute *attr, const char *buf,
+static ssize_t store_pccycles(struct device *dev,
+ struct device_attribute *attr, const char *buf,
size_t count)
{
unsigned long val;
- char *endp;
+ int ret;
- val = simple_strtoul(buf, &endp, 0);
- if (endp == buf)
- return -EINVAL;
+ ret = kstrtoul(buf, 0, &val);
+ if (ret)
+ return ret;
sysreg_write(PCCNT, val);
return count;
}
-static ssize_t show_pcenable(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_pcenable(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
unsigned long pccr;
pccr = sysreg_read(PCCR);
return sprintf(buf, "%c\n", (pccr & 1)?'1':'0');
}
-static ssize_t store_pcenable(struct sys_device *dev,
- struct sysdev_attribute *attr, const char *buf,
+static ssize_t store_pcenable(struct device *dev,
+ struct device_attribute *attr, const char *buf,
size_t count)
{
unsigned long pccr, val;
- char *endp;
+ int ret;
- val = simple_strtoul(buf, &endp, 0);
- if (endp == buf)
- return -EINVAL;
+ ret = kstrtoul(buf, 0, &val);
+ if (ret)
+ return ret;
if (val)
val = 1;
@@ -167,12 +171,12 @@ static ssize_t store_pcenable(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(pc0event, 0600, show_pc0event, store_pc0event);
-static SYSDEV_ATTR(pc0count, 0600, show_pc0count, store_pc0count);
-static SYSDEV_ATTR(pc1event, 0600, show_pc1event, store_pc1event);
-static SYSDEV_ATTR(pc1count, 0600, show_pc1count, store_pc1count);
-static SYSDEV_ATTR(pccycles, 0600, show_pccycles, store_pccycles);
-static SYSDEV_ATTR(pcenable, 0600, show_pcenable, store_pcenable);
+static DEVICE_ATTR(pc0event, 0600, show_pc0event, store_pc0event);
+static DEVICE_ATTR(pc0count, 0600, show_pc0count, store_pc0count);
+static DEVICE_ATTR(pc1event, 0600, show_pc1event, store_pc1event);
+static DEVICE_ATTR(pc1count, 0600, show_pc1count, store_pc1count);
+static DEVICE_ATTR(pccycles, 0600, show_pccycles, store_pccycles);
+static DEVICE_ATTR(pcenable, 0600, show_pcenable, store_pcenable);
#endif /* CONFIG_PERFORMANCE_COUNTERS */
@@ -186,12 +190,12 @@ static int __init topology_init(void)
register_cpu(c, cpu);
#ifdef CONFIG_PERFORMANCE_COUNTERS
- sysdev_create_file(&c->sysdev, &attr_pc0event);
- sysdev_create_file(&c->sysdev, &attr_pc0count);
- sysdev_create_file(&c->sysdev, &attr_pc1event);
- sysdev_create_file(&c->sysdev, &attr_pc1count);
- sysdev_create_file(&c->sysdev, &attr_pccycles);
- sysdev_create_file(&c->sysdev, &attr_pcenable);
+ device_create_file(&c->dev, &dev_attr_pc0event);
+ device_create_file(&c->dev, &dev_attr_pc0count);
+ device_create_file(&c->dev, &dev_attr_pc1event);
+ device_create_file(&c->dev, &dev_attr_pc1count);
+ device_create_file(&c->dev, &dev_attr_pccycles);
+ device_create_file(&c->dev, &dev_attr_pcenable);
#endif
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-05 11:06:15 +0000