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From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org
Cc: gregkh@suse.de
Subject: [PATCH] devfs: Rename TTY_DRIVER_NO_DEVFS to TTY_DRIVER_DYNAMIC_DEV
Date: Mon, 20 Jun 2005 23:30:45 -0700	[thread overview]
Message-ID: <11193354452744@kroah.com> (raw)
In-Reply-To: <1119335444505@kroah.com>

[PATCH] devfs: Rename TTY_DRIVER_NO_DEVFS to TTY_DRIVER_DYNAMIC_DEV

I've always found this flag confusing.  Now that devfs is no longer around, it
has been renamed, and the documentation for when this flag should be used has
been updated.

Also fixes all drivers that use this flag.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
commit 7a8f493a5d2a57b5ab6302044c44d185755cf46d
tree ddab423454c4dbe896b1ca2544a535999f33424a
parent 0ab499b19f39b05982ade3656e2e7c170f641d30
author Greg Kroah-Hartman <gregkh@suse.de> Mon, 20 Jun 2005 21:15:16 -0700
committer Greg Kroah-Hartman <gregkh@suse.de> Mon, 20 Jun 2005 23:13:42 -0700

 arch/ppc/4xx_io/serial_sicc.c   |    2 +-
 drivers/char/ip2main.c          |    2 +-
 drivers/char/pty.c              |    4 ++--
 drivers/char/rocket.c           |    4 ++--
 drivers/char/tty_io.c           |    8 ++++----
 drivers/isdn/i4l/isdn_tty.c     |    2 +-
 drivers/s390/char/tty3270.c     |    2 +-
 drivers/serial/crisv10.c        |    2 +-
 drivers/serial/serial_core.c    |    2 +-
 drivers/tc/zs.c                 |    2 +-
 drivers/usb/class/bluetty.c     |    2 +-
 drivers/usb/class/cdc-acm.c     |    2 +-
 drivers/usb/gadget/serial.c     |    2 +-
 drivers/usb/serial/usb-serial.c |    2 +-
 include/linux/tty_driver.h      |   13 ++++++++++---
 net/bluetooth/rfcomm/tty.c      |    2 +-
 16 files changed, 30 insertions(+), 23 deletions(-)

diff --git a/arch/ppc/4xx_io/serial_sicc.c b/arch/ppc/4xx_io/serial_sicc.c
--- a/arch/ppc/4xx_io/serial_sicc.c
+++ b/arch/ppc/4xx_io/serial_sicc.c
@@ -1764,7 +1764,7 @@ int __init siccuart_init(void)
     siccnormal_driver->subtype = SERIAL_TYPE_NORMAL;
     siccnormal_driver->init_termios = tty_std_termios;
     siccnormal_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-    siccnormal_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+    siccnormal_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
     tty_set_operations(siccnormal_driver, &sicc_ops);
 
     if (tty_register_driver(siccnormal_driver))
diff --git a/drivers/char/ip2main.c b/drivers/char/ip2main.c
--- a/drivers/char/ip2main.c
+++ b/drivers/char/ip2main.c
@@ -679,7 +679,7 @@ ip2_loadmain(int *iop, int *irqp, unsign
 	ip2_tty_driver->subtype              = SERIAL_TYPE_NORMAL;
 	ip2_tty_driver->init_termios         = tty_std_termios;
 	ip2_tty_driver->init_termios.c_cflag = B9600|CS8|CREAD|HUPCL|CLOCAL;
-	ip2_tty_driver->flags                = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+	ip2_tty_driver->flags                = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 	tty_set_operations(ip2_tty_driver, &ip2_ops);
 
 	ip2trace (ITRC_NO_PORT, ITRC_INIT, 3, 0 );
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -369,7 +369,7 @@ static void __init unix98_pty_init(void)
 	ptm_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
 	ptm_driver->init_termios.c_lflag = 0;
 	ptm_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW |
-		TTY_DRIVER_NO_DEVFS | TTY_DRIVER_DEVPTS_MEM;
+		TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM;
 	ptm_driver->other = pts_driver;
 	tty_set_operations(ptm_driver, &pty_ops);
 	ptm_driver->ioctl = pty_unix98_ioctl;
@@ -384,7 +384,7 @@ static void __init unix98_pty_init(void)
 	pts_driver->init_termios = tty_std_termios;
 	pts_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
 	pts_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW |
-		TTY_DRIVER_NO_DEVFS | TTY_DRIVER_DEVPTS_MEM;
+		TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM;
 	pts_driver->other = ptm_driver;
 	tty_set_operations(pts_driver, &pty_ops);
 	
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -2366,7 +2366,7 @@ int __init rp_init(void)
 	 */
 
 	rocket_driver->owner = THIS_MODULE;
-	rocket_driver->flags = TTY_DRIVER_NO_DEVFS;
+	rocket_driver->flags = TTY_DRIVER_DYNAMIC_DEV;
 	rocket_driver->name = "ttyR";
 	rocket_driver->driver_name = "Comtrol RocketPort";
 	rocket_driver->major = TTY_ROCKET_MAJOR;
@@ -2377,7 +2377,7 @@ int __init rp_init(void)
 	rocket_driver->init_termios.c_cflag =
 	    B9600 | CS8 | CREAD | HUPCL | CLOCAL;
 #ifdef ROCKET_SOFT_FLOW
-	rocket_driver->flags |= TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+	rocket_driver->flags |= TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 #endif
 	tty_set_operations(rocket_driver, &rocket_ops);
 
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2664,8 +2664,8 @@ static struct class *tty_class;
  *	tty device it can be set to NULL safely.
  *
  * This call is required to be made to register an individual tty device if
- * the tty driver's flags have the TTY_DRIVER_NO_DEVFS bit set.  If that
- * bit is not set, this function should not be called.
+ * the tty driver's flags have the TTY_DRIVER_DYNAMIC_DEV bit set.  If that
+ * bit is not set, this function should not be called by a tty driver.
  */
 void tty_register_device(struct tty_driver *driver, unsigned index,
 			 struct device *device)
@@ -2817,7 +2817,7 @@ int tty_register_driver(struct tty_drive
 	
 	list_add(&driver->tty_drivers, &tty_drivers);
 	
-	if ( !(driver->flags & TTY_DRIVER_NO_DEVFS) ) {
+	if ( !(driver->flags & TTY_DRIVER_DYNAMIC_DEV) ) {
 		for(i = 0; i < driver->num; i++)
 		    tty_register_device(driver, i, NULL);
 	}
@@ -2860,7 +2860,7 @@ int tty_unregister_driver(struct tty_dri
 			driver->termios_locked[i] = NULL;
 			kfree(tp);
 		}
-		if (!(driver->flags & TTY_DRIVER_NO_DEVFS))
+		if (!(driver->flags & TTY_DRIVER_DYNAMIC_DEV))
 			tty_unregister_device(driver, i);
 	}
 	p = driver->ttys;
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1907,7 +1907,7 @@ isdn_tty_modem_init(void)
 	m->tty_modem->subtype = SERIAL_TYPE_NORMAL;
 	m->tty_modem->init_termios = tty_std_termios;
 	m->tty_modem->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-	m->tty_modem->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+	m->tty_modem->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 	m->tty_modem->driver_name = "isdn_tty";
 	tty_set_operations(m->tty_modem, &modem_ops);
 	retval = tty_register_driver(m->tty_modem);
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -1796,7 +1796,7 @@ tty3270_init(void)
 	driver->type = TTY_DRIVER_TYPE_SYSTEM;
 	driver->subtype = SYSTEM_TYPE_TTY;
 	driver->init_termios = tty_std_termios;
-	driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_NO_DEVFS;
+	driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_DYNAMIC_DEV;
 	tty_set_operations(driver, &tty3270_ops);
 	ret = tty_register_driver(driver);
 	if (ret) {
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -4917,7 +4917,7 @@ rs_init(void)
 	driver->init_termios = tty_std_termios;
 	driver->init_termios.c_cflag =
 		B115200 | CS8 | CREAD | HUPCL | CLOCAL; /* is normally B9600 default... */
-	driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+	driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 	driver->termios = serial_termios;
 	driver->termios_locked = serial_termios_locked;
 
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2089,7 +2089,7 @@ int uart_register_driver(struct uart_dri
 	normal->subtype		= SERIAL_TYPE_NORMAL;
 	normal->init_termios	= tty_std_termios;
 	normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-	normal->flags		= TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+	normal->flags		= TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 	normal->driver_state    = drv;
 	tty_set_operations(normal, &uart_ops);
 
diff --git a/drivers/tc/zs.c b/drivers/tc/zs.c
--- a/drivers/tc/zs.c
+++ b/drivers/tc/zs.c
@@ -1793,7 +1793,7 @@ int __init zs_init(void)
 	serial_driver->init_termios = tty_std_termios;
 	serial_driver->init_termios.c_cflag =
 		B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-	serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+	serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 	tty_set_operations(serial_driver, &serial_ops);
 
 	if (tty_register_driver(serial_driver))
diff --git a/drivers/usb/class/bluetty.c b/drivers/usb/class/bluetty.c
--- a/drivers/usb/class/bluetty.c
+++ b/drivers/usb/class/bluetty.c
@@ -1235,7 +1235,7 @@ static int usb_bluetooth_init(void)
 	bluetooth_tty_driver->minor_start = 0;
 	bluetooth_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
 	bluetooth_tty_driver->subtype = SERIAL_TYPE_NORMAL;
-	bluetooth_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+	bluetooth_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 	bluetooth_tty_driver->init_termios = tty_std_termios;
 	bluetooth_tty_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
 	tty_set_operations(bluetooth_tty_driver, &bluetooth_ops);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -902,7 +902,7 @@ static int __init acm_init(void)
 	acm_tty_driver->minor_start = 0,
 	acm_tty_driver->type = TTY_DRIVER_TYPE_SERIAL,
 	acm_tty_driver->subtype = SERIAL_TYPE_NORMAL,
-	acm_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS,
+	acm_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 	acm_tty_driver->init_termios = tty_std_termios;
 	acm_tty_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
 	tty_set_operations(acm_tty_driver, &acm_ops);
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -667,7 +667,7 @@ static int __init gs_module_init(void)
 	gs_tty_driver->minor_start = GS_MINOR_START;
 	gs_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
 	gs_tty_driver->subtype = SERIAL_TYPE_NORMAL;
-	gs_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+	gs_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 	gs_tty_driver->init_termios = tty_std_termios;
 	gs_tty_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
 	tty_set_operations(gs_tty_driver, &gs_tty_ops);
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1304,7 +1304,7 @@ static int __init usb_serial_init(void)
 	usb_serial_tty_driver->minor_start = 0;
 	usb_serial_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
 	usb_serial_tty_driver->subtype = SERIAL_TYPE_NORMAL;
-	usb_serial_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+	usb_serial_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 	usb_serial_tty_driver->init_termios = tty_std_termios;
 	usb_serial_tty_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
 	tty_set_operations(usb_serial_tty_driver, &serial_ops);
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -241,8 +241,15 @@ void tty_set_operations(struct tty_drive
  * 	is also a promise, if the above case is true, not to signal
  * 	overruns, either.)
  *
- * TTY_DRIVER_NO_DEVFS --- if set, do not create devfs entries. This
- *	is only used by tty_register_driver().
+ * TTY_DRIVER_DYNAMIC_DEV --- if set, the individual tty devices need
+ *	to be registered with a call to tty_register_driver() when the
+ *	device is found in the system and unregistered with a call to
+ *	tty_unregister_device() so the devices will be show up
+ *	properly in sysfs.  If not set, driver->num entries will be
+ *	created by the tty core in sysfs when tty_register_driver() is
+ *	called.  This is to be used by drivers that have tty devices
+ *	that can appear and disappear while the main tty driver is
+ *	registered with the tty core.
  *
  * TTY_DRIVER_DEVPTS_MEM -- don't use the standard arrays, instead
  *	use dynamic memory keyed through the devpts filesystem.  This
@@ -251,7 +258,7 @@ void tty_set_operations(struct tty_drive
 #define TTY_DRIVER_INSTALLED		0x0001
 #define TTY_DRIVER_RESET_TERMIOS	0x0002
 #define TTY_DRIVER_REAL_RAW		0x0004
-#define TTY_DRIVER_NO_DEVFS		0x0008
+#define TTY_DRIVER_DYNAMIC_DEV		0x0008
 #define TTY_DRIVER_DEVPTS_MEM		0x0010
 
 /* tty driver types */
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -906,7 +906,7 @@ int rfcomm_init_ttys(void)
 	rfcomm_tty_driver->minor_start	= RFCOMM_TTY_MINOR;
 	rfcomm_tty_driver->type		= TTY_DRIVER_TYPE_SERIAL;
 	rfcomm_tty_driver->subtype	= SERIAL_TYPE_NORMAL;
-	rfcomm_tty_driver->flags	= TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+	rfcomm_tty_driver->flags	= TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
 	rfcomm_tty_driver->init_termios	= tty_std_termios;
 	rfcomm_tty_driver->init_termios.c_cflag	= B9600 | CS8 | CREAD | HUPCL | CLOCAL;
 	tty_set_operations(rfcomm_tty_driver, &rfcomm_ops);


  reply	other threads:[~2005-06-21  7:58 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <11193354424077@kroah.com>
2005-06-21  6:30 ` [PATCH] devfs: Remove devfs from the init code Greg KH
2005-06-21  6:30   ` [PATCH] devfs: Remove devfs_*_tape() functions from the kernel tree Greg KH
2005-06-21  6:30     ` [PATCH] devfs: Remove devfs_mk_symlink() function " Greg KH
2005-06-21  6:30       ` [PATCH] devfs: Remove devfs_mk_dir() " Greg KH
2005-06-21  6:30         ` [PATCH] devfs: Remove devfs_mk_bdev() " Greg KH
2005-06-21  6:30           ` [PATCH] devfs: Remove devfs_mk_cdev() " Greg KH
2005-06-21  6:30             ` [PATCH] devfs: Remove devfs_remove() " Greg KH
2005-06-21  6:30               ` [PATCH] devfs: Remove the miscdevice devfs_name field as it's no longer needed Greg KH
2005-06-21  6:30                 ` [PATCH] devfs: Remove the devfs_fs_kernel.h file from the tree Greg KH
2005-06-21  6:30                   ` [PATCH] devfs: Remove the uart_driver devfs_name field as it's no longer needed Greg KH
2005-06-21  6:30                     ` [PATCH] devfs: Remove the gendisk " Greg KH
2005-06-21  6:30                       ` [PATCH] devfs: Remove the videodevice " Greg KH
2005-06-21  6:30                         ` [PATCH] devfs: Remove the line_driver " Greg KH
2005-06-21  6:30                           ` [PATCH] devfs: Remove the ide drive " Greg KH
2005-06-21  6:30                             ` [PATCH] devfs: Remove the scsi_disk " Greg KH
2005-06-21  6:30                               ` [PATCH] devfs: Remove the tty_driver " Greg KH
2005-06-21  6:30                                 ` [PATCH] devfs: Remove the mode field from usb_class_driver " Greg KH
2005-06-21  6:30                                   ` Greg KH [this message]
2005-06-21  6:30                                     ` [PATCH] devfs: Last little devfs cleanups throughout the kernel tree Greg KH
2005-06-21  8:12                                       ` Thomas Schneller
2005-06-21  7:09                                 ` [PATCH] devfs: Remove the tty_driver devfs_name field as it's no longer needed Russell King
2005-06-21  7:18                                   ` Greg KH

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