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Commit 54b6f35c authored May 17, 2005 by Yani Ioannou Committed by Greg Kroah-Hartman Jun 20, 2005

[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>

parent ca2b94ba

drivers/base/core.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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;
		}

include/linux/device.h

+4 −2

Original line number	Diff line number	Diff line
		@@ -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) \