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Message-ID: <20100408090114.GA31407@n2100.arm.linux.org.uk>
Date:	Thu, 8 Apr 2010 10:01:14 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Claudio Scordino <claudio@...dence.eu.com>
Cc:	Ryan Mallon <ryan@...ewatersys.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	John Nicholls <john@...nlinx.com>, Rick Bronson <rick@....org>,
	Sebastian Heutling <Sebastian.Heutling@...-ing.de>,
	michael trimarchi <michael@...dence.eu.com>,
	alan@...rguk.ukuu.org.uk, hskinnemoen@...el.com, linux@...im.org.za
Subject: Re: [PATCH] atmel_serial: Atmel RS485 support v2

On Thu, Apr 08, 2010 at 09:58:21AM +0200, Claudio Scordino wrote:
> diff --git a/arch/arm/include/asm/ioctls.h b/arch/arm/include/asm/ioctls.h
> index a91d8a1..82f2177 100644
> --- a/arch/arm/include/asm/ioctls.h
> +++ b/arch/arm/include/asm/ioctls.h
> @@ -70,6 +70,8 @@
>  #define TIOCGICOUNT	0x545D	/* read serial port inline interrupt counts */
>  #define FIOQSIZE	0x545E
>  
> +#define TIOCSRS485	0x5461

Why are you only supporting half the interface?

#define TIOCGRS485      0x542E
#define TIOCSRS485      0x542F

is what is in include/asm-generic/ioctls.h - and it would be a good idea
to use the same numbering as the generic file rather than creating yet
more divergence.
--
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