drivers/base/core.c, include/linux/device.h: change device_attribute callbacks

PATCH In review Yani Ioannou 1 participant 1 message May 17, 2005 Driver core

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Yani Ioannou

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2005-05-17 10:40 UTC #0 lore raw

PATCH 2/15 drivers/base/core.c, include/linux/device.h: 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 <[email protected]>

---

 drivers/base/core.c    |    4 ++--
 include/linux/device.h |    5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

drivers/base/core.c +2 -2

diff -uprN -X dontdiff linux-2.6.12-rc4/drivers/base/core.c linux-2.6.12-rc4-sysfsdyncallback-deviceattr/drivers/base/core.c
@@ -41,7 +41,7 @@ dev_attr_show(struct kobject * kobj, str
 	ssize_t ret = 0;
 
 	if (dev_attr->show)
-		ret = dev_attr->show(dev, buf);
+		ret = dev_attr->show(dev, dev_attr, buf);
 	return ret;
 }

@@ -54,7 +54,7 @@ dev_attr_store(struct kobject * kobj, st
 	ssize_t ret = 0;
 
 	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 +3 -2

diff -uprN -X dontdiff linux-2.6.12-rc4/include/linux/device.h linux-2.6.12-rc4-sysfsdyncallback-deviceattr/include/linux/device.h
@@ -335,8 +335,9 @@ extern void driver_attach(struct device_
 
 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) \