linux-kernel - Re: [MeeGo-Dev][PATCH v2] Topcliff: Update PCH

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Message-ID: <000401cb55fa$b6709e90$66f8800a@maildom.okisemi.com>
Date:	Fri, 17 Sep 2010 08:55:54 +0900
From:	"Masayuki Ohtake" <masa-korg@....okisemi.com>
To:	"Wolfgang Grandegger" <wg@...ndegger.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	"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>, <meego-dev@...go.com>,
	<andrew.chih.howe.khor@...el.com>, <qi.wang@...el.com>,
	<gregkh@...e.de>, <yong.y.wang@...el.com>,
	"Tomoya MORINAGA" <morinaga526@....okisemi.com>,
	<arjan@...ux.intel.com>, "Marc Kleine-Budde" <mkl@...gutronix.de>
Subject: Re: [MeeGo-Dev][PATCH v2] Topcliff: Update PCH_CAN driver to 2.6.35

Hi Wolfgang Grandegger

According to your policy, we will remove filter processing so that
all packets can be received.

Thanks, Ohtake(OKISemi)
----- Original Message ----- 
From: "Wolfgang Grandegger" <wg@...ndegger.com>
To: "Masayuki Ohtake" <masa-korg@....okisemi.com>
Cc: "Marc Kleine-Budde" <mkl@...gutronix.de>; <arjan@...ux.intel.com>; "Tomoya MORINAGA" <morinaga526@....okisemi.com>;
<yong.y.wang@...el.com>; <gregkh@...e.de>; <qi.wang@...el.com>; <andrew.chih.howe.khor@...el.com>;
<meego-dev@...go.com>; <linux-kernel@...r.kernel.org>; <netdev@...r.kernel.org>; <socketcan-core@...ts.berlios.de>;
"Samuel Ortiz" <sameo@...ux.intel.com>; "Barry Song" <21cnbao@...il.com>; "Christian Pellegrin" <chripell@...e.org>;
"Wolfram Sang" <w.sang@...gutronix.de>; "David S. Miller" <davem@...emloft.net>
Sent: Thursday, September 16, 2010 6:10 PM
Subject: Re: [MeeGo-Dev][PATCH v2] Topcliff: Update PCH_CAN driver to 2.6.35


> On 09/16/2010 10:51 AM, Masayuki Ohtake wrote:
> > Hi Marc,
> >
> >> - Please remove rx-filter handling from the driver completely, simply
> >>   receive every can frame
> >
> > This rx-filter function is for Topcliff's CAN HW function.
> > This function is important.
> > Could you tell us the reason why should we remove filter function ?
>
> We do not (yet) support the filtering capability of the CAN controller
> hardware. Therefore please configure the hardware filter to accept *any*
> CAN message like all other drivers do, e.g.:
>
> http://lxr.linux.no/#linux+v2.6.35.4/drivers/net/can/sja1000/sja1000.c#L249
>
> Wolfgang.
> --
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