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 vc devices [10/10]
Date: Thu, 15 Jan 2004 20:43:56 +0000 [thread overview]
Message-ID: <20040115204356.GK22199@kroah.com> (raw)
In-Reply-To: <20040115204329.GJ22199@kroah.com>
This patch add sysfs support for vc char devices.
Note, Andrew Morton has reported some very strange oopses with this
patch, that I can not reproduce at all. If anyone else also has
problems with this patch, please let me know.
diff -Nru a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c
--- a/drivers/char/vc_screen.c Thu Jan 15 11:05:48 2004
+++ b/drivers/char/vc_screen.c Thu Jan 15 11:05:48 2004
@@ -36,6 +36,7 @@
#include <linux/kbd_kern.h>
#include <linux/console.h>
#include <linux/smp_lock.h>
+#include <linux/device.h>
#include <asm/uaccess.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>
@@ -469,6 +470,8 @@
.open = vcs_open,
};
+static struct class_simple *vc_class;
+
void vcs_make_devfs(struct tty_struct *tty)
{
devfs_mk_cdev(MKDEV(VCS_MAJOR, tty->index + 1),
@@ -477,19 +480,26 @@
devfs_mk_cdev(MKDEV(VCS_MAJOR, tty->index + 129),
S_IFCHR|S_IRUSR|S_IWUSR,
"vcc/a%u", tty->index + 1);
+ class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, tty->index + 1), NULL, "vcs%u", tty->index + 1);
+ class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, tty->index + 129), NULL, "vcsa%u", tty->index + 1);
}
void vcs_remove_devfs(struct tty_struct *tty)
{
devfs_remove("vcc/%u", tty->index + 1);
devfs_remove("vcc/a%u", tty->index + 1);
+ class_simple_device_remove(MKDEV(VCS_MAJOR, tty->index + 1));
+ class_simple_device_remove(MKDEV(VCS_MAJOR, tty->index + 129));
}
int __init vcs_init(void)
{
if (register_chrdev(VCS_MAJOR, "vcs", &vcs_fops))
panic("unable to get major %d for vcs device", VCS_MAJOR);
+ vc_class = class_simple_create(THIS_MODULE, "vc");
devfs_mk_cdev(MKDEV(VCS_MAJOR, 0), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/0");
devfs_mk_cdev(MKDEV(VCS_MAJOR, 128), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/a0");
+ class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, 0), NULL, "vcs");
+ class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, 128), NULL, "vcsa");
return 0;
}
diff -Nru a/drivers/char/vt.c b/drivers/char/vt.c
--- a/drivers/char/vt.c Thu Jan 15 11:05:50 2004
+++ b/drivers/char/vt.c Thu Jan 15 11:05:50 2004
@@ -2539,6 +2539,8 @@
int __init vty_init(void)
{
+ vcs_init();
+
console_driver = alloc_tty_driver(MAX_NR_CONSOLES);
if (!console_driver)
panic("Couldn't allocate console driver\n");
@@ -2566,7 +2568,6 @@
#ifdef CONFIG_FRAMEBUFFER_CONSOLE
fb_console_init();
#endif
- vcs_init();
return 0;
}
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WARNING: multiple messages have this Message-ID (diff)
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 vc devices [10/10]
Date: Thu, 15 Jan 2004 12:43:56 -0800 [thread overview]
Message-ID: <20040115204356.GK22199@kroah.com> (raw)
In-Reply-To: <20040115204329.GJ22199@kroah.com>
This patch add sysfs support for vc char devices.
Note, Andrew Morton has reported some very strange oopses with this
patch, that I can not reproduce at all. If anyone else also has
problems with this patch, please let me know.
diff -Nru a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c
--- a/drivers/char/vc_screen.c Thu Jan 15 11:05:48 2004
+++ b/drivers/char/vc_screen.c Thu Jan 15 11:05:48 2004
@@ -36,6 +36,7 @@
#include <linux/kbd_kern.h>
#include <linux/console.h>
#include <linux/smp_lock.h>
+#include <linux/device.h>
#include <asm/uaccess.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>
@@ -469,6 +470,8 @@
.open = vcs_open,
};
+static struct class_simple *vc_class;
+
void vcs_make_devfs(struct tty_struct *tty)
{
devfs_mk_cdev(MKDEV(VCS_MAJOR, tty->index + 1),
@@ -477,19 +480,26 @@
devfs_mk_cdev(MKDEV(VCS_MAJOR, tty->index + 129),
S_IFCHR|S_IRUSR|S_IWUSR,
"vcc/a%u", tty->index + 1);
+ class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, tty->index + 1), NULL, "vcs%u", tty->index + 1);
+ class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, tty->index + 129), NULL, "vcsa%u", tty->index + 1);
}
void vcs_remove_devfs(struct tty_struct *tty)
{
devfs_remove("vcc/%u", tty->index + 1);
devfs_remove("vcc/a%u", tty->index + 1);
+ class_simple_device_remove(MKDEV(VCS_MAJOR, tty->index + 1));
+ class_simple_device_remove(MKDEV(VCS_MAJOR, tty->index + 129));
}
int __init vcs_init(void)
{
if (register_chrdev(VCS_MAJOR, "vcs", &vcs_fops))
panic("unable to get major %d for vcs device", VCS_MAJOR);
+ vc_class = class_simple_create(THIS_MODULE, "vc");
devfs_mk_cdev(MKDEV(VCS_MAJOR, 0), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/0");
devfs_mk_cdev(MKDEV(VCS_MAJOR, 128), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/a0");
+ class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, 0), NULL, "vcs");
+ class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, 128), NULL, "vcsa");
return 0;
}
diff -Nru a/drivers/char/vt.c b/drivers/char/vt.c
--- a/drivers/char/vt.c Thu Jan 15 11:05:50 2004
+++ b/drivers/char/vt.c Thu Jan 15 11:05:50 2004
@@ -2539,6 +2539,8 @@
int __init vty_init(void)
{
+ vcs_init();
+
console_driver = alloc_tty_driver(MAX_NR_CONSOLES);
if (!console_driver)
panic("Couldn't allocate console driver\n");
@@ -2566,7 +2568,6 @@
#ifdef CONFIG_FRAMEBUFFER_CONSOLE
fb_console_init();
#endif
- vcs_init();
return 0;
}
next prev parent reply other threads:[~2004-01-15 20:43 UTC|newest]
Thread overview: 42+ 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 20:40 ` Greg KH
2004-01-15 20:41 ` [PATCH] add class_simple support [01/10] Greg KH
2004-01-15 20:41 ` Greg KH
2004-01-15 20:41 ` [PATCH] add sysfs class support for input devices [02/10] Greg KH
2004-01-15 20:41 ` Greg KH
2004-01-15 20:41 ` [PATCH] add class support for lp devices [03/10] Greg KH
2004-01-15 20:41 ` Greg KH
2004-01-15 20:41 ` [PATCH] add sysfs class support for mem devices [04/10] Greg KH
2004-01-15 20:41 ` Greg KH
2004-01-15 20:42 ` [PATCH] add sysfs class support for misc devices [05/10] Greg KH
2004-01-15 20:42 ` Greg KH
2004-01-15 20:42 ` [PATCH] add sysfs class support for raw devices [06/10] Greg KH
2004-01-15 20:42 ` Greg KH
2004-01-15 20:42 ` [PATCH] add sysfs class support for OSS sound devices [07/10] Greg KH
2004-01-15 20:42 ` 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 ` 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 ` Greg KH
2004-01-15 20:43 ` Greg KH [this message]
2004-01-15 20:43 ` [PATCH] add sysfs class support for vc devices [10/10] Greg KH
2004-01-16 4:13 ` Andrew Morton
2004-01-16 4:13 ` Andrew Morton
2004-01-16 19:04 ` Martin Schlemmer
2004-01-16 19:17 ` Andrew Morton
2004-01-16 19:17 ` Andrew Morton
2004-01-16 19:52 ` Martin Schlemmer
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
2004-01-17 0:10 ` Greg KH
2004-01-17 0:50 ` Måns Rullgård
2004-01-15 21:23 ` [PATCH] add sysfs class support for OSS sound devices [07/10] Prakash K. Cheemplavam
2004-01-15 21:23 ` Prakash K. Cheemplavam
2004-01-15 21:32 ` Greg KH
2004-01-15 21:32 ` Greg KH
2004-01-15 22:01 ` Prakash K. Cheemplavam
2004-01-20 1:58 ` [PATCH] add class_simple support [01/10] Rusty Russell
2004-01-20 1:58 ` Rusty Russell
2004-01-15 20:57 ` [PATCH] sysfs class patch update [00/10] Måns Rullgård
2004-01-15 22:56 ` Greg KH
2004-01-15 22:56 ` Greg KH
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