linux-kernel - Re: [PATCH] Documentation about RS485 serial communications

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Date:	Wed, 11 Aug 2010 21:58:57 +0200
From:	Claudio Scordino <claudio@...dence.eu.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
CC:	Wolfram Sang <w.sang@...gutronix.de>,
	Philippe De Muyter <phdm@...qel.be>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>, hskinnemoen@...el.com,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Rick Bronson <rick@....org>, John Nicholls <john@...nlinx.com>,
	Sebastian Heutling <Sebastian.Heutling@...-ing.de>,
	Ryan Mallon <ryan@...ewatersys.com>, rmk@....linux.org.uk,
	Bernhard Roth <br@...net.de>,
	Konrad Mattheis <mattheis@...a.de>,
	Elektrolot <elektrolot@...pl>,
	Prchal Jiří <jiri.prchal@...ignal.cz>,
	gregkh@...e.de, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] Documentation about RS485 serial communications

Hi Randy,

	thank you for the feedback.

[...]

> 
> TIOC[SG]RS485 are #defined in <asm-generic/ioctls.h>, so
> #include <asm-generic/ioctls.h>
> here and/or below (in userspace program).
> 

I noticed that for some architectures (e.g., cris) these ioctls are defined also in arch/cris/include/asm/ioctls.h, and with different values with respect to the values defined on asm-generic/ioctls.h.

Therefore, I wasn't completely sure that the values defined in asm-generic are being used in every driver...

Best regards,

	Claudio
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