Re: [PATCH v2 09/13] can: pruss CAN driver.

[Subhasish Ghosh]

That is correct, we receive only pre-programmed CAN ids and "all" or "range" 
implementation is not there in the PRU firmware.
Will check the sysfs option and update.

--------------------------------------------------
From: "Wolfgang Grandegger" <wg@xxxxxxxxxxxxxx>
Sent: Monday, February 14, 2011 12:53 PM
To: "Subhasish Ghosh" <subhasish@xxxxxxxxxxxxxxxxxxxx>
Cc: "Kurt Van Dijck" <kurt.van.dijck@xxxxxx>; 
<davinci-linux-open-source@xxxxxxxxxxxxxxxxxxxx>; 
<linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>; <m-watkins@xxxxxx>; 
<nsekhar@xxxxxx>; <sachi@xxxxxxxxxxxxxxxxxxxx>; "open list:CAN NETWORK 
DRIVERS" <socketcan-core@xxxxxxxxxxxxxxxx>; "open list:CAN NETWORK DRIVERS" 
<netdev@xxxxxxxxxxxxxxx>; "open list" <linux-kernel@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH v2 09/13] can: pruss CAN driver.

> On 02/14/2011 05:54 AM, Subhasish Ghosh wrote:
> > Hello,
> >
> > I had a discussion regarding this with Wolfgang:
> >
> > http://www.mail-archive.com/socketcan-users@xxxxxxxxxxxxxxxx/msg00324.html
> >
> > The problem here is that we must configure the mailbox ID's and this
> > support is not available in the socketCan sub-system.
>
> To understand you correctly. A mailbox (or message object) can *only*
> receive messages with the pre-programmed CAN id? Isn't there a chance to
> receive all or a range of CAN ids? That's a very unusual piece of
> hardware. Anyway, using kernel configuration parameters to define the
> CAN id's would be the less flexible method. The user will not have a
> chance to change them at run-time. Using SysFS files would already be
> much better.
>
> Wolfgang. 

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