From: Greg KH <greg@kroah.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, linux-hotplug-devel@lists.sourceforge.net
Subject: [PATCH] add sysfs class support for misc devices [05/10]
Date: Thu, 15 Jan 2004 20:42:09 +0000 [thread overview]
Message-ID: <20040115204209.GF22199@kroah.com> (raw)
In-Reply-To: <20040115204153.GE22199@kroah.com>
This adds class/misc/ for all misc devices (ones that use the
misc_register() function).
diff -Nru a/drivers/char/misc.c b/drivers/char/misc.c
--- a/drivers/char/misc.c Thu Jan 15 11:05:56 2004
+++ b/drivers/char/misc.c Thu Jan 15 11:05:56 2004
@@ -47,7 +47,7 @@
#include <linux/devfs_fs_kernel.h>
#include <linux/stat.h>
#include <linux/init.h>
-
+#include <linux/device.h>
#include <linux/tty.h>
#include <linux/kmod.h>
@@ -180,6 +180,13 @@
return err;
}
+/*
+ * TODO for 2.7:
+ * - add a struct class_device to struct miscdevice and make all usages of
+ * them dynamic.
+ */
+static struct class_simple *misc_class;
+
static struct file_operations misc_fops = {
.owner = THIS_MODULE,
.open = misc_open,
@@ -234,6 +241,8 @@
"misc/%s", misc->name);
}
+ class_simple_device_add(misc_class, MKDEV(MISC_MAJOR, misc->minor),
+ misc->dev, misc->name);
devfs_mk_cdev(MKDEV(MISC_MAJOR, misc->minor),
S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP, misc->devfs_name);
@@ -265,6 +274,7 @@
down(&misc_sem);
list_del(&misc->list);
+ class_simple_device_remove(MKDEV(MISC_MAJOR, misc->minor));
devfs_remove(misc->devfs_name);
if (i < DYNAMIC_MINORS && i>0) {
misc_minors[i>>3] &= ~(1 << (misc->minor & 7));
@@ -285,6 +295,9 @@
if (ent)
ent->proc_fops = &misc_proc_fops;
#endif
+ misc_class = class_simple_create(THIS_MODULE, "misc");
+ if (IS_ERR(misc_class))
+ return PTR_ERR(misc_class);
#ifdef CONFIG_MVME16x
rtc_MK48T08_init();
#endif
@@ -319,4 +332,4 @@
}
return 0;
}
-module_init(misc_init);
+subsys_initcall(misc_init);
diff -Nru a/include/linux/miscdevice.h b/include/linux/miscdevice.h
--- a/include/linux/miscdevice.h Thu Jan 15 11:05:53 2004
+++ b/include/linux/miscdevice.h Thu Jan 15 11:05:53 2004
@@ -36,12 +36,15 @@
#define TUN_MINOR 200
+struct device;
+
struct miscdevice
{
int minor;
const char *name;
struct file_operations *fops;
struct list_head list;
+ struct device *dev;
char devfs_name[64];
};
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next prev parent reply other threads:[~2004-01-15 20:42 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-15 20:40 [PATCH] sysfs class patch update [00/10] Greg KH
2004-01-15 20:41 ` [PATCH] add class_simple support [01/10] Greg KH
2004-01-15 20:41 ` [PATCH] add sysfs class support for input devices [02/10] Greg KH
2004-01-15 20:41 ` [PATCH] add class support for lp devices [03/10] Greg KH
2004-01-15 20:41 ` [PATCH] add sysfs class support for mem devices [04/10] Greg KH
2004-01-15 20:42 ` Greg KH [this message]
2004-01-15 20:42 ` [PATCH] add sysfs class support for raw devices [06/10] Greg KH
2004-01-15 20:42 ` [PATCH] add sysfs class support for OSS sound devices [07/10] Greg KH
2004-01-15 20:43 ` [PATCH] add sysfs class support for ALSA sound devices [08/10] Greg KH
2004-01-15 20:43 ` [PATCH] clean up sysfs class support for tty devices [09/10] Greg KH
2004-01-15 20:43 ` [PATCH] add sysfs class support for vc devices [10/10] Greg KH
2004-01-16 4:13 ` Andrew Morton
[not found] ` <1074279897.23742.754.camel@nosferatu.lan>
2004-01-16 19:17 ` Andrew Morton
2004-01-16 22:15 ` [PATCH] add sysfs class support for ALSA sound devices [08/10] Måns Rullgård
2004-01-17 0:10 ` Greg KH
2004-01-15 21:23 ` [PATCH] add sysfs class support for OSS sound devices [07/10] Prakash K. Cheemplavam
2004-01-15 21:32 ` Greg KH
2004-01-20 1:58 ` [PATCH] add class_simple support [01/10] Rusty Russell
2004-01-15 20:57 ` [PATCH] sysfs class patch update [00/10] Måns Rullgård
2004-01-15 22:56 ` Greg KH
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