linux-kernel - Re: RS485: ioctls defined twice ?

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Message-ID: <20100815153848.GA19113@n2100.arm.linux.org.uk>
Date:	Sun, 15 Aug 2010 16:38:48 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Claudio Scordino <claudio@...dence.eu.com>
Cc:	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Rick Bronson <rick@....org>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-serial@...r.kernel.org
Subject: Re: RS485: ioctls defined twice ?

On Sun, Aug 15, 2010 at 04:22:13PM +0200, Claudio Scordino wrote:
> Hi all,
> 
> 	is there any reason why ioctls TIOCGRS485 and TIOCSRS485 are defined

Please wrap your message sensibly so I can see it while replying to you.

> The same happens also for avr32, powerpc and cris (which, however, defines
> 
> Is it duplicated code ?
> 
> Or should these values stay in both asm/ioctls.h and asm-generic/ioctls.h ?

As an exercise to help you answer your own question, please research
how asm-generic/ioctls.h get included on an avr32, powerpc, cris or
ARM kernel build.
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