From: Jon Smirl <jonsmirl@yahoo.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: new class_simple support in 2.6.2
Date: Sat, 24 Jan 2004 00:24:00 +0000 [thread overview]
Message-ID: <20040124002400.28582.qmail@web14914.mail.yahoo.com> (raw)
In-Reply-To: <20040123034807.10417.qmail@web14912.mail.yahoo.com>
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Here's a set hotplug implementation.
=====
Jon Smirl
jonsmirl@yahoo.com
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[-- Attachment #2: simple_hotplug.patch --]
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===== drivers/base/class_simple.c 1.1 vs edited =====
--- 1.1/drivers/base/class_simple.c Thu Jan 15 06:06:03 2004
+++ edited/drivers/base/class_simple.c Fri Jan 23 19:04:55 2004
@@ -170,6 +170,24 @@
EXPORT_SYMBOL(class_simple_device_add);
/**
+ * class_simple_set_hotplug - set the hotplug callback in the embedded struct class
+ * @cs: pointer to the struct class_simple to hold the pointer
+ * @hotplug: function pointer to the hotplug function
+ *
+ * Implement and set a hotplug function to add environment variables specific to this
+ * class on the hotplug event.
+ */
+int class_simple_set_hotplug(struct class_simple *cs,
+ int (*hotplug)(struct class_device *dev, char **envp, int num_envp, char *buffer, int buffer_size))
+{
+ if ((cs == NULL) || (IS_ERR(cs)))
+ return -ENODEV;
+ cs->class.hotplug = hotplug;
+ return 0;
+}
+EXPORT_SYMBOL(class_simple_set_hotplug);
+
+/**
* class_simple_device_remove - removes a class device that was created with class_simple_device_add()
* @dev: the dev_t of the device that was previously registered.
*
===== include/linux/device.h 1.113 vs edited =====
--- 1.113/include/linux/device.h Thu Jan 15 06:05:58 2004
+++ edited/include/linux/device.h Fri Jan 23 19:06:04 2004
@@ -253,6 +253,8 @@
extern void class_simple_destroy(struct class_simple *cs);
extern struct class_device *class_simple_device_add(struct class_simple *cs, dev_t dev, struct device *device, const char *fmt, ...)
__attribute__((format(printf,4,5)));
+extern int class_simple_set_hotplug(struct class_simple *,
+ int (*hotplug)(struct class_device *dev, char **envp, int num_envp, char *buffer, int buffer_size));
extern void class_simple_device_remove(dev_t dev);
next prev parent reply other threads:[~2004-01-24 0:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-23 3:48 new class_simple support in 2.6.2 Jon Smirl
2004-01-23 4:31 ` Greg KH
2004-01-23 4:36 ` Jon Smirl
2004-01-23 23:03 ` Greg KH
2004-01-24 0:24 ` Jon Smirl [this message]
2004-02-02 23:35 ` Greg KH
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