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Diffstat (limited to 'drivers/w1')
-rw-r--r--drivers/w1/w1.c18
-rw-r--r--drivers/w1/w1.h2
-rw-r--r--drivers/w1/w1_family.c2
-rw-r--r--drivers/w1/w1_family.h3
-rw-r--r--drivers/w1/w1_therm.c10
5 files changed, 2 insertions, 33 deletions
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 5b49c9a937f..c85d75ed835 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -102,9 +102,6 @@ static ssize_t w1_default_read_bin(struct kobject *kobj, char *buf, loff_t off,
static struct device_attribute w1_slave_attribute =
__ATTR(name, S_IRUGO, w1_default_read_name, NULL);
-static struct device_attribute w1_slave_attribute_val =
- __ATTR(value, S_IRUGO, w1_default_read_name, NULL);
-
static struct bin_attribute w1_slave_bin_attribute = {
.attr = {
.name = "w1_slave",
@@ -310,12 +307,9 @@ static int __w1_attach_slave_device(struct w1_slave *sl)
memcpy(&sl->attr_bin, &w1_slave_bin_attribute, sizeof(sl->attr_bin));
memcpy(&sl->attr_name, &w1_slave_attribute, sizeof(sl->attr_name));
- memcpy(&sl->attr_val, &w1_slave_attribute_val, sizeof(sl->attr_val));
sl->attr_bin.read = sl->family->fops->rbin;
sl->attr_name.show = sl->family->fops->rname;
- sl->attr_val.show = sl->family->fops->rval;
- sl->attr_val.attr.name = sl->family->fops->rvalname;
err = device_create_file(&sl->dev, &sl->attr_name);
if (err < 0) {
@@ -326,23 +320,12 @@ static int __w1_attach_slave_device(struct w1_slave *sl)
return err;
}
- err = device_create_file(&sl->dev, &sl->attr_val);
- if (err < 0) {
- dev_err(&sl->dev,
- "sysfs file creation for [%s] failed. err=%d\n",
- sl->dev.bus_id, err);
- device_remove_file(&sl->dev, &sl->attr_name);
- device_unregister(&sl->dev);
- return err;
- }
-
err = sysfs_create_bin_file(&sl->dev.kobj, &sl->attr_bin);
if (err < 0) {
dev_err(&sl->dev,
"sysfs file creation for [%s] failed. err=%d\n",
sl->dev.bus_id, err);
device_remove_file(&sl->dev, &sl->attr_name);
- device_remove_file(&sl->dev, &sl->attr_val);
device_unregister(&sl->dev);
return err;
}
@@ -428,7 +411,6 @@ static void w1_slave_detach(struct w1_slave *sl)
sysfs_remove_bin_file (&sl->dev.kobj, &sl->attr_bin);
device_remove_file(&sl->dev, &sl->attr_name);
- device_remove_file(&sl->dev, &sl->attr_val);
device_unregister(&sl->dev);
w1_family_put(sl->family);
diff --git a/drivers/w1/w1.h b/drivers/w1/w1.h
index 90a2e737d2c..44dfb92e55c 100644
--- a/drivers/w1/w1.h
+++ b/drivers/w1/w1.h
@@ -79,7 +79,7 @@ struct w1_slave
struct completion dev_released;
struct bin_attribute attr_bin;
- struct device_attribute attr_name, attr_val;
+ struct device_attribute attr_name;
};
typedef void (* w1_slave_found_callback)(unsigned long, u64);
diff --git a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c
index 3941fb05b8e..b8502d910c5 100644
--- a/drivers/w1/w1_family.c
+++ b/drivers/w1/w1_family.c
@@ -30,7 +30,7 @@ static LIST_HEAD(w1_families);
static int w1_check_family(struct w1_family *f)
{
- if (!f->fops->rname || !f->fops->rbin || !f->fops->rval || !f->fops->rvalname)
+ if (!f->fops->rname || !f->fops->rbin)
return -EINVAL;
return 0;
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index 218f1272062..b26da01bbc3 100644
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -39,9 +39,6 @@ struct w1_family_ops
{
ssize_t (* rname)(struct device *, struct device_attribute *, char *);
ssize_t (* rbin)(struct kobject *, char *, loff_t, size_t);
-
- ssize_t (* rval)(struct device *, struct device_attribute *, char *);
- unsigned char rvalname[MAXNAMELEN];
};
struct w1_family
diff --git a/drivers/w1/w1_therm.c b/drivers/w1/w1_therm.c
index e52abca0507..b9896c10af6 100644
--- a/drivers/w1/w1_therm.c
+++ b/drivers/w1/w1_therm.c
@@ -43,14 +43,11 @@ static u8 bad_roms[][9] = {
};
static ssize_t w1_therm_read_name(struct device *, struct device_attribute *attr, char *);
-static ssize_t w1_therm_read_temp(struct device *, struct device_attribute *attr, char *);
static ssize_t w1_therm_read_bin(struct kobject *, char *, loff_t, size_t);
static struct w1_family_ops w1_therm_fops = {
.rname = &w1_therm_read_name,
.rbin = &w1_therm_read_bin,
- .rval = &w1_therm_read_temp,
- .rvalname = "temp1_input",
};
static struct w1_family w1_therm_family_DS18S20 = {
@@ -142,13 +139,6 @@ static inline int w1_convert_temp(u8 rom[9], u8 fid)
return 0;
}
-static ssize_t w1_therm_read_temp(struct device *dev, struct device_attribute *attr, char *buf)
-{
- struct w1_slave *sl = container_of(dev, struct w1_slave, dev);
-
- return sprintf(buf, "%d\n", w1_convert_temp(sl->rom, sl->family->fid));
-}
-
static int w1_therm_check_rom(u8 rom[9])
{
int i;