linux-kernel - Re: [PATCH net-next-2.6 12/17 v3] can: EG20T PCH: Fix bit timing calculation issue

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Message-ID: <4CEFABBE.7060605@pengutronix.de>
Date:	Fri, 26 Nov 2010 13:44:46 +0100
From:	Marc Kleine-Budde <mkl@...gutronix.de>
To:	Tomoya MORINAGA <tomoya-linux@....okisemi.com>
CC:	Wolfgang Grandegger <wg@...ndegger.com>,
	Wolfram Sang <w.sang@...gutronix.de>,
	Christian Pellegrin <chripell@...e.org>,
	Barry Song <21cnbao@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	socketcan-core@...ts.berlios.de, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	andrew.chih.howe.khor@...el.com, qi.wang@...el.com,
	margie.foster@...el.com, yong.y.wang@...el.com,
	kok.howg.ewe@...el.com, joel.clark@...el.com
Subject: Re: [PATCH net-next-2.6 12/17 v3] can: EG20T PCH: Fix bit timing
 calculation issue

On 11/26/2010 01:06 AM, Tomoya MORINAGA wrote:
> On Wednesday, November 24, 2010 9:58 PM, Marc Kleine-Budde wrote :
>> Masking here shouldn't be necessary but won't hurt, better play safe.
> 
> EG20T's baud rate pre-scalar register  is divided to 2 register BITT and BRPE.
> Thus, This mask is necessary.
> In fact, deleting this mask, it couldn't communicate correctly.

You're right.

Marc

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