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From: Jiri Slaby <jirislaby@kernel.org>
To: наб <nabijaczleweli@nabijaczleweli.xyz>
Cc: Jonathan Corbet <corbet@lwn.net>,
	Federico Vaga <federico.vaga@vaga.pv.it>,
	Alex Shi <alexs@kernel.org>, Yanteng Si <siyanteng@loongson.cn>,
	Hu Haowen <src.res@email.cn>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-doc-tw-discuss@lists.sourceforge.net
Subject: Re: [PATCH 2/5] tty: remove TTY_DRIVER_MAGIC
Date: Fri, 16 Sep 2022 08:51:32 +0200	[thread overview]
Message-ID: <2469c582-3532-2a11-d874-5ac6cbdeb499@kernel.org> (raw)
In-Reply-To: <723478a270a3858f27843cbec621df4d5d44efcc.1663288066.git.nabijaczleweli@nabijaczleweli.xyz>

On 16. 09. 22, 3:55, наб wrote:
> 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"
> 
> Ref: https://lore.kernel.org/linux-doc/YyMlovoskUcHLEb7@kroah.com/
> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>

Acked-by: Jiri Slaby <jirislaby@kernel.org>

> ---
>   Documentation/process/magic-number.rst                    | 1 -
>   Documentation/translations/it_IT/process/magic-number.rst | 1 -
>   Documentation/translations/zh_CN/process/magic-number.rst | 1 -
>   Documentation/translations/zh_TW/process/magic-number.rst | 1 -
>   drivers/tty/tty_io.c                                      | 1 -
>   include/linux/tty_driver.h                                | 5 -----
>   6 files changed, 10 deletions(-)
> 
> diff --git a/Documentation/process/magic-number.rst b/Documentation/process/magic-number.rst
> index b4c7ec61437e..d47799ba0ca4 100644
> --- a/Documentation/process/magic-number.rst
> +++ b/Documentation/process/magic-number.rst
> @@ -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``
> diff --git a/Documentation/translations/it_IT/process/magic-number.rst b/Documentation/translations/it_IT/process/magic-number.rst
> index bcb23384fefd..24022ab52ebb 100644
> --- a/Documentation/translations/it_IT/process/magic-number.rst
> +++ b/Documentation/translations/it_IT/process/magic-number.rst
> @@ -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``
> diff --git a/Documentation/translations/zh_CN/process/magic-number.rst b/Documentation/translations/zh_CN/process/magic-number.rst
> index 6250087d36c5..811804996283 100644
> --- a/Documentation/translations/zh_CN/process/magic-number.rst
> +++ b/Documentation/translations/zh_CN/process/magic-number.rst
> @@ -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``
> diff --git a/Documentation/translations/zh_TW/process/magic-number.rst b/Documentation/translations/zh_TW/process/magic-number.rst
> index fd169d760bbd..8e37e00590f5 100644
> --- a/Documentation/translations/zh_TW/process/magic-number.rst
> +++ b/Documentation/translations/zh_TW/process/magic-number.rst
> @@ -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``
> diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
> index 33962109bd10..d036fc59a2e8 100644
> --- a/drivers/tty/tty_io.c
> +++ b/drivers/tty/tty_io.c
> @@ -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;
> diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
> index 4841d8069c07..b0421f5de8a6 100644
> --- a/include/linux/tty_driver.h
> +++ b/include/linux/tty_driver.h
> @@ -396,7 +396,6 @@ 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
> @@ -432,7 +431,6 @@ 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;
> @@ -489,9 +487,6 @@ 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
>    *

-- 
js
suse labs


  reply	other threads:[~2022-09-16  6:51 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-16  1:54 [PATCH 1/5] tty: remove TTY_MAGIC наб
2022-09-16  1:55 ` [PATCH 2/5] tty: remove TTY_DRIVER_MAGIC наб
2022-09-16  6:51   ` Jiri Slaby [this message]
2022-09-16  1:55 ` [PATCH 3/5] tty: n_hdlc: remove HDLC_MAGIC наб
2022-09-16  6:51   ` Jiri Slaby
2022-09-16  1:55 ` [PATCH 4/5] tty: synclink_gt: remove MGSL_MAGIC наб
2022-09-16  6:52   ` Jiri Slaby
2022-09-16  1:55 ` [PATCH 5/5] tty: hvc: remove HVC_IUCV_MAGIC наб
2022-09-16  6:52   ` Jiri Slaby
2022-09-16  6:51 ` [PATCH 1/5] tty: remove TTY_MAGIC Jiri Slaby
2022-09-16  7:33 ` Theodore Ts'o
2022-09-16  8:45   ` Jiri Slaby
2022-09-22 14:12 ` Greg Kroah-Hartman

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