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[PATCH] Driver core: change device_attribute callbacks 

This patch adds the device_attribute paramerter to the
device_attribute store and show sysfs callback functions, and passes a
reference to the attribute when the callbacks are called.

Signed-off-by: Yani Ioannou <yani.ioannou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
5bit-waveforms
Yani Ioannou 2005-05-17 06:39:34 -04:00 committed by Greg Kroah-Hartman
parent ca2b94ba12
commit 54b6f35c99
2 changed files with 6 additions and 4 deletions
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4
drivers/base/core.c
View File

@ -39,7 +39,7 @@ dev_attr_show(struct kobject * kobj, struct attribute * attr, char * buf)
ssize_t ret = -EIO;
if (dev_attr->show)
ret = dev_attr->show(dev, buf);
ret = dev_attr->show(dev, dev_attr, buf);
return ret;
}
@ -52,7 +52,7 @@ dev_attr_store(struct kobject * kobj, struct attribute * attr,
ssize_t ret = -EIO;
if (dev_attr->store)
ret = dev_attr->store(dev, buf, count);
ret = dev_attr->store(dev, dev_attr, buf, count);
return ret;
}

6
include/linux/device.h
View File

@ -335,8 +335,10 @@ extern void driver_attach(struct device_driver * drv);
struct device_attribute {
struct attribute attr;
ssize_t (*show)(struct device * dev, char * buf);
ssize_t (*store)(struct device * dev, const char * buf, size_t count);
ssize_t (*show)(struct device *dev, struct device_attribute *attr,
char *buf);
ssize_t (*store)(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
};
#define DEVICE_ATTR(_name,_mode,_show,_store) \