linux-kernel - Re: [PATCH] Remove Hayes ESP ioctls

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Date:	Thu, 17 Jun 2010 13:09:38 -0700
From:	Greg KH <greg@...ah.com>
To:	Jeff Dike <jdike@...toit.com>
Cc:	Alan Cox <alan@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Remove Hayes ESP ioctls

On Thu, Jun 17, 2010 at 03:15:16PM -0400, Jeff Dike wrote:
> On Thu, Jun 17, 2010 at 10:28:28AM -0700, Greg KH wrote:
> > You forgot to put a "Signed-off-by:" line in here.
> > 
> > Care to add it, and resend it to me?
> 
> Oops...
> 
> commit e6b14f5bc9803589241bc2aae1565fa0c5bd0ce1
> Author: Jeff Dike <jdike@...ux.intel.com>
> Date:   Thu Jun 17 11:54:24 2010 -0400
> 
>     Remove Hayes ESP ioctls
>     
>     The Hayes ESP driver has been removed from the tree:
>         commit f53a2ade0bb9f2a81f473e6469155172a96b7c38
>         ("tty: esp: remove broken driver")
>     so its ioctls aren't needed any more.
> 
>     Signed-off-by: Jeff Dike <jdike@...ux.intel.com>
> 
> diff --git a/include/asm-generic/ioctls.h b/include/asm-generic/ioctls.h
> index a799e20..16218ac 100644
> --- a/include/asm-generic/ioctls.h
> +++ b/include/asm-generic/ioctls.h
> @@ -86,16 +86,6 @@
>  #define TIOCMIWAIT	0x545C	/* wait for a change on serial input line(s) */
>  #define TIOCGICOUNT	0x545D	/* read serial port inline interrupt counts */
>  
> -/*
> - * some architectures define FIOQSIZE as 0x545E, which is used for
> - * TIOCGHAYESESP on others
> - */
> -#ifndef FIOQSIZE
> -# define TIOCGHAYESESP	0x545E  /* Get Hayes ESP configuration */
> -# define TIOCSHAYESESP	0x545F  /* Set Hayes ESP configuration */
> -# define FIOQSIZE	0x5460
> -#endif

Wait, don't we still need to define FIOQSIZE here if no one else has
done it yet?  With this patch I get a build error on fs/ioctl.c:
	fs/ioctl.c: In function ‘do_vfs_ioctl’:
	fs/ioctl.c:573:7: error: ‘FIOQSIZE’ undeclared (first use in this function)

So shouldn't we just remove the TIOCGHAYESESP and TIOCSHAYESESP values,
and only set FIOQSIZE if it's not set yet?

thanks,

greg k-h
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