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tty: remove TTY_DRIVER_MAGIC

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According to Greg, in the context of magic numbers as defined in
magic-number.rst, "the tty layer should not need this and I'll gladly
take patches"

Acked-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Ref: https://lore.kernel.org/linux-doc/YyMlovoskUcHLEb7@kroah.com/
Link: https://lore.kernel.org/r/723478a270a3858f27843cbec621df4d5d44efcc.1663288066.git.nabijaczleweli@nabijaczleweli.xyz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
наб 2022-09-16 03:55:05 +02:00 committed by Greg Kroah-Hartman
parent 7a4e0d2c7f
commit 5052df99d3
6 changed files with 0 additions and 10 deletions
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1
Documentation/process/magic-number.rst
View File

@ -85,7 +85,6 @@ STRIP_MAGIC 0x5303 strip ``drivers/net/st
SIXPACK_MAGIC 0x5304 sixpack ``drivers/net/hamradio/6pack.h``
AX25_MAGIC 0x5316 ax_disp ``drivers/net/mkiss.h``
MGSL_MAGIC 0x5401 mgsl_info ``drivers/char/synclink.c``
TTY_DRIVER_MAGIC 0x5402 tty_driver ``include/linux/tty_driver.h``
MGSLPC_MAGIC 0x5402 mgslpc_info ``drivers/char/pcmcia/synclink_cs.c``
USB_SERIAL_MAGIC 0x6702 usb_serial ``drivers/usb/serial/usb-serial.h``
FULL_DUPLEX_MAGIC 0x6969 ``drivers/net/ethernet/dec/tulip/de2104x.c``

1
Documentation/translations/it_IT/process/magic-number.rst
View File

@ -91,7 +91,6 @@ STRIP_MAGIC 0x5303 strip ``drivers/net/st
SIXPACK_MAGIC 0x5304 sixpack ``drivers/net/hamradio/6pack.h``
AX25_MAGIC 0x5316 ax_disp ``drivers/net/mkiss.h``
MGSL_MAGIC 0x5401 mgsl_info ``drivers/char/synclink.c``
TTY_DRIVER_MAGIC 0x5402 tty_driver ``include/linux/tty_driver.h``
MGSLPC_MAGIC 0x5402 mgslpc_info ``drivers/char/pcmcia/synclink_cs.c``
USB_SERIAL_MAGIC 0x6702 usb_serial ``drivers/usb/serial/usb-serial.h``
FULL_DUPLEX_MAGIC 0x6969 ``drivers/net/ethernet/dec/tulip/de2104x.c``

1
Documentation/translations/zh_CN/process/magic-number.rst
View File

@ -74,7 +74,6 @@ STRIP_MAGIC 0x5303 strip ``drivers/net/st
SIXPACK_MAGIC 0x5304 sixpack ``drivers/net/hamradio/6pack.h``
AX25_MAGIC 0x5316 ax_disp ``drivers/net/mkiss.h``
MGSL_MAGIC 0x5401 mgsl_info ``drivers/char/synclink.c``
TTY_DRIVER_MAGIC 0x5402 tty_driver ``include/linux/tty_driver.h``
MGSLPC_MAGIC 0x5402 mgslpc_info ``drivers/char/pcmcia/synclink_cs.c``
USB_SERIAL_MAGIC 0x6702 usb_serial ``drivers/usb/serial/usb-serial.h``
FULL_DUPLEX_MAGIC 0x6969 ``drivers/net/ethernet/dec/tulip/de2104x.c``

1
Documentation/translations/zh_TW/process/magic-number.rst
View File

@ -77,7 +77,6 @@ STRIP_MAGIC 0x5303 strip ``drivers/net/st
SIXPACK_MAGIC 0x5304 sixpack ``drivers/net/hamradio/6pack.h``
AX25_MAGIC 0x5316 ax_disp ``drivers/net/mkiss.h``
MGSL_MAGIC 0x5401 mgsl_info ``drivers/char/synclink.c``
TTY_DRIVER_MAGIC 0x5402 tty_driver ``include/linux/tty_driver.h``
MGSLPC_MAGIC 0x5402 mgslpc_info ``drivers/char/pcmcia/synclink_cs.c``
USB_SERIAL_MAGIC 0x6702 usb_serial ``drivers/usb/serial/usb-serial.h``
FULL_DUPLEX_MAGIC 0x6969 ``drivers/net/ethernet/dec/tulip/de2104x.c``

1
drivers/tty/tty_io.c
View File

@ -3321,7 +3321,6 @@ struct tty_driver *__tty_alloc_driver(unsigned int lines, struct module *owner,
return ERR_PTR(-ENOMEM);
kref_init(&driver->kref);
driver->magic = TTY_DRIVER_MAGIC;
driver->num = lines;
driver->owner = owner;
driver->flags = flags;

5
include/linux/tty_driver.h
View File

@ -397,7 +397,6 @@ struct tty_operations {
/**
* struct tty_driver -- driver for TTY devices
*
* @magic: set to %TTY_DRIVER_MAGIC in __tty_alloc_driver()
* @kref: reference counting. Reaching zero frees all the internals and the
* driver.
* @cdevs: allocated/registered character /dev devices
@ -433,7 +432,6 @@ struct tty_operations {
* @driver_name, @name, @type, @subtype, @init_termios, and @ops.
*/
struct tty_driver {
int magic;
struct kref kref;
struct cdev **cdevs;
struct module *owner;
@ -490,9 +488,6 @@ static inline void tty_set_operations(struct tty_driver *driver,
driver->ops = op;
}
/* tty driver magic number */
#define TTY_DRIVER_MAGIC 0x5402
/**
* DOC: TTY Driver Flags
*