linux-kernel - Re: [PATCH] CRIS RS485: Check SER_RS485_RTS_BEFORE

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Date:	Mon, 30 Aug 2010 10:32:27 +0200
From:	Claudio Scordino <claudio@...dence.eu.com>
To:	Jesper Nilsson <jesper.nilsson@...s.com>
CC:	starvik@...s.com, linux-cris-kernel <linux-cris-kernel@...s.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Hinko Kocevar <hinko.kocevar@...rtapot.si>,
	Janez Cufer <janez.cufer@...rtapot.si>,
	Andy Whitcroft <apw@...onical.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	dev-etrax <dev-etrax@...s.com>, linux-serial@...r.kernel.org
Subject: Re: [PATCH] CRIS RS485: Check SER_RS485_RTS_BEFORE_SEND before delaying.

Claudio Scordino ha scritto:
> Hi Jesper,
> 
> 	the following patch fixes the usage of the delay in RS485 mode
> on the Cris architecture.
> 
> Very recently, the RS485 interface has been fixed by adding two further
> fields (see commit 1b6331848b69d1ed165a6bdc75c4046d68767563).
> 
> This patch checks the value of the flag SER_RS485_RTS_BEFORE_SEND before
> delaying.


Hi all,

	so far I didn't receive any acknowledgement about this patch.

As I said, recently (see commit 1b6331848b69d1ed165a6bdc75c4046d68767563) the
Linux RS485 interface has been fixed by adding two missing fields.

With the "new" interface, you have to check the SER_RS485_RTS_BEFORE_SEND flag
before using the delay_rts_before_send field.

The Atmel serial driver has been already fixed (with commit
1b6331848b69d1ed165a6bdc75c4046d68767563 itself).

This patch fixes the usage of the interface in the Cris driver too.

Best regards,

		Claudio
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