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[PATCH] w1: new family structure.

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Removed some fields which are not required.
First step for writing operations.
Now only read and read name remain.
Patch depends on w1 cleanups patch.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Evgeniy Polyakov 2005-05-20 22:49:08 +04:00 committed by Greg Kroah-Hartman
parent 7785925dd8
commit ca775c629a
5 changed files with 2 additions and 33 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
drivers/w1/w1.c
View file

@ -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);

2
drivers/w1/w1.h
View file

@ -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);

2
drivers/w1/w1_family.c
View file

@ -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;

3
drivers/w1/w1_family.h
View file

@ -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

10
drivers/w1/w1_therm.c
View file

@ -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;