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

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Date:	Thu, 17 Jun 2010 22:41:05 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Greg KH <greg@...ah.com>
Cc:	Jeff Dike <jdike@...toit.com>, Alan Cox <alan@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Remove Hayes ESP ioctls

On Thursday 17 June 2010 22:14:17 Greg KH wrote:
> --- a/include/asm-generic/ioctls.h
> +++ b/include/asm-generic/ioctls.h
> @@ -87,12 +87,10 @@
>  #define TIOCGICOUNT    0x545D  /* read serial port inline interrupt counts */
>  
>  /*
> - * some architectures define FIOQSIZE as 0x545E, which is used for
> - * TIOCGHAYESESP on others
> + * Some arches already define FIOQSIZE due to a historical
> + * conflict with a Hayes modem-specific ioctl value.
>   */
>  #ifndef FIOQSIZE
> -# define TIOCGHAYESESP 0x545E  /* Get Hayes ESP configuration */
> -# define TIOCSHAYESESP 0x545F  /* Set Hayes ESP configuration */
>  # define FIOQSIZE      0x5460
>  #endif

Yes, that looks right. I had introduced the #ifdef originally, but
did not look closely enough at the patch now.

	Arnd
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