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Merge to kernel-2.6.20-1.2949.fc6.vs2.2.0.1
[linux-2.6.git]
/
drivers
/
w1
/
slaves
/
w1_therm.c
diff --git
a/drivers/w1/w1_therm.c
b/drivers/w1/slaves/w1_therm.c
similarity index 94%
rename from
drivers/w1/w1_therm.c
rename to
drivers/w1/slaves/w1_therm.c
index
4577df3
..
b022fff
100644
(file)
--- a/
drivers/w1/w1_therm.c
+++ b/
drivers/w1/slaves/w1_therm.c
@@
-24,14
+24,14
@@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/sched.h>
#include <linux/device.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/types.h>
#include <linux/delay.h>
-#include "w1.h"
-#include "w1_io.h"
-#include "w1_int.h"
-#include "w1_family.h"
+#include "../w1.h"
+#include "../w1_int.h"
+#include "../w1_family.h"
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
@@
-123,12
+123,12
@@
static inline int w1_DS18S20_convert_temp(u8 rom[9])
if (!rom[7])
return 0;
if (!rom[7])
return 0;
-
+
if (rom[1] == 0)
t = ((s32)rom[0] >> 1)*1000;
else
t = 1000*(-1*(s32)(0x100-rom[0]) >> 1);
if (rom[1] == 0)
t = ((s32)rom[0] >> 1)*1000;
else
t = 1000*(-1*(s32)(0x100-rom[0]) >> 1);
-
+
t -= 250;
h = 1000*((s32)rom[7] - (s32)rom[6]);
h /= (s32)rom[7];
t -= 250;
h = 1000*((s32)rom[7] - (s32)rom[6]);
h /= (s32)rom[7];
@@
-166,12
+166,7
@@
static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, si
u8 rom[9], crc, verdict;
int i, max_trying = 10;
u8 rom[9], crc, verdict;
int i, max_trying = 10;
- atomic_inc(&sl->refcnt);
- smp_mb__after_atomic_inc();
- if (down_interruptible(&sl->master->mutex)) {
- count = 0;
- goto out_dec;
- }
+ mutex_lock(&sl->master->mutex);
if (off > W1_SLAVE_DATA_SIZE) {
count = 0;
if (off > W1_SLAVE_DATA_SIZE) {
count = 0;
@@
-231,13
+226,10
@@
static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, si
for (i = 0; i < 9; ++i)
count += sprintf(buf + count, "%02x ", sl->rom[i]);
for (i = 0; i < 9; ++i)
count += sprintf(buf + count, "%02x ", sl->rom[i]);
-
+
count += sprintf(buf + count, "t=%d\n", w1_convert_temp(rom, sl->family->fid));
out:
count += sprintf(buf + count, "t=%d\n", w1_convert_temp(rom, sl->family->fid));
out:
- up(&dev->mutex);
-out_dec:
- smp_mb__before_atomic_inc();
- atomic_dec(&sl->refcnt);
+ mutex_unlock(&dev->mutex);
return count;
}
return count;
}