linux-kernel - Re: [PATCH] ARM/ARM26: Enable arbitary speed tty ioctls and split input/output speed

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Message-ID: <20070523162705.GB1976@flint.arm.linux.org.uk>
Date:	Wed, 23 May 2007 17:27:05 +0100
From:	Russell King <rmk+lkml@....linux.org.uk>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM/ARM26: Enable arbitary speed tty ioctls and split input/output speed

On Wed, May 23, 2007 at 05:27:39PM +0100, Alan Cox wrote:
> Add the ioctls and values needed for this to the ARM26/ARM32 ports. The
> actual code has been in the base kernel for a while and automatically
> turns on when a port sets the required defines.
> 
> Signed-off-by: Alan Cox <alan@...hat.com>
> 
> diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.22-rc1-mm1/include/asm-arm/ioctls.h linux-2.6.22-rc1-mm1/include/asm-arm/ioctls.h
> --- linux.vanilla-2.6.22-rc1-mm1/include/asm-arm/ioctls.h	2007-04-30 10:48:14.000000000 +0100
> +++ linux-2.6.22-rc1-mm1/include/asm-arm/ioctls.h	2007-05-23 16:19:48.010005480 +0100
> @@ -46,6 +46,10 @@
>  #define TIOCSBRK	0x5427  /* BSD compatibility */
>  #define TIOCCBRK	0x5428  /* BSD compatibility */
>  #define TIOCGSID	0x5429  /* Return the session ID of FD */
> +#define TCGETS2		_IOR('T',0x2A, struct termios2)
> +#define TCSETS2		_IOW('T',0x2B, struct termios2)
> +#define TCSETSW2	_IOW('T',0x2C, struct termios2)
> +#define TCSETSF2	_IOW('T',0x2D, struct termios2)
>  #define TIOCGPTN	_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
>  #define TIOCSPTLCK	_IOW('T',0x31, int)  /* Lock/unlock Pty */
>  
> diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.22-rc1-mm1/include/asm-arm/termbits.h linux-2.6.22-rc1-mm1/include/asm-arm/termbits.h
> --- linux.vanilla-2.6.22-rc1-mm1/include/asm-arm/termbits.h	2007-04-30 10:48:14.000000000 +0100
> +++ linux-2.6.22-rc1-mm1/include/asm-arm/termbits.h	2007-05-23 16:23:05.765942008 +0100
> @@ -128,6 +128,7 @@
>  #define HUPCL	0002000
>  #define CLOCAL	0004000
>  #define CBAUDEX 0010000
> +#define    BOTHER 0010000
>  #define    B57600 0010001
>  #define   B115200 0010002
>  #define   B230400 0010003
> @@ -143,10 +144,12 @@
>  #define  B3000000 0010015
>  #define  B3500000 0010016
>  #define  B4000000 0010017
> -#define CIBAUD	  002003600000	/* input baud rate (not used) */
> +#define CIBAUD	  002003600000		/* input baud rate */
>  #define CMSPAR    010000000000		/* mark or space (stick) parity */
>  #define CRTSCTS	  020000000000		/* flow control */
>  
> +#define IBSHIFT	   16
> +
>  /* c_lflag bits */
>  #define ISIG	0000001
>  #define ICANON	0000002
> diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.22-rc1-mm1/include/asm-arm/termios.h linux-2.6.22-rc1-mm1/include/asm-arm/termios.h
> --- linux.vanilla-2.6.22-rc1-mm1/include/asm-arm/termios.h	2007-04-30 11:00:07.000000000 +0100
> +++ linux-2.6.22-rc1-mm1/include/asm-arm/termios.h	2007-05-23 16:21:34.535811096 +0100
> @@ -82,8 +82,10 @@
>  	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
>  })
>  
> -#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
> -#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
> +#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
> +#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
> +#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
> +#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
>  
>  #endif	/* __KERNEL__ */
>  

Alan, thanks for this.

Acked-by: Russell King <rmk+kernel@....linux.org.uk>

for the above.  The ARM26 stuff needs acking by Ian Molton, <spyro@....com>

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:
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