[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>
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@ -39,7 +39,7 @@ dev_attr_show(struct kobject * kobj, struct attribute * attr, char * buf)
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ssize_t ret = -EIO;
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ssize_t ret = -EIO;
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if (dev_attr->show)
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if (dev_attr->show)
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ret = dev_attr->show(dev, buf);
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ret = dev_attr->show(dev, dev_attr, buf);
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return ret;
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return ret;
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}
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}
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@ -52,7 +52,7 @@ dev_attr_store(struct kobject * kobj, struct attribute * attr,
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ssize_t ret = -EIO;
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ssize_t ret = -EIO;
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if (dev_attr->store)
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if (dev_attr->store)
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ret = dev_attr->store(dev, buf, count);
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ret = dev_attr->store(dev, dev_attr, buf, count);
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return ret;
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return ret;
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}
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}
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@ -335,8 +335,10 @@ extern void driver_attach(struct device_driver * drv);
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struct device_attribute {
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struct device_attribute {
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struct attribute attr;
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struct attribute attr;
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ssize_t (*show)(struct device * dev, char * buf);
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ssize_t (*show)(struct device *dev, struct device_attribute *attr,
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ssize_t (*store)(struct device * dev, const char * buf, size_t count);
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char *buf);
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ssize_t (*store)(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count);
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};
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};
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#define DEVICE_ATTR(_name,_mode,_show,_store) \
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#define DEVICE_ATTR(_name,_mode,_show,_store) \
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