netdev - Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH

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Date:	Wed, 11 Aug 2010 13:37:26 +0300
From:	Daniel Baluta <daniel.baluta@...il.com>
To:	Masayuki Ohtak <masa-korg@....okisemi.com>
Cc:	meego-dev@...go.com, Wolfgang Grandegger <wg@...ndegger.com>,
	socketcan-core@...ts.berlios.de, netdev@...r.kernel.org,
	andrew.chih.howe.khor@...el.com, gregkh@...e.de,
	arjan@...ux.intel.com, qi.wang@...el.com, yong.y.wang@...el.com
Subject: Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH_CAN driver to 2.6.35

Hi,

2010/8/11 Masayuki Ohtak <masa-korg@....okisemi.com>:
> CAN driver of Topcliff PCH
>
> Topcliff PCH is the platform controller hub that is going to be used in
> Intel's upcoming general embedded platform. All IO peripherals in
> Topcliff PCH are actually devices sitting on AMBA bus.
> Topcliff PCH has CAN I/F. This driver enables CAN function.
>
> Signed-off-by: Masayuki Ohtake <masa-korg@....okisemi.com>

I have a few questions:

1. Is your code based on Intel's CAN EP80579 ([1]) ?
2. Why don't you use kernel existing kfifo infrastructure? ([2]).
3. Can you provide a pointer to Topcliff PCH CAN I/F datasheet ?

thanks,
Daniel.

[1] http://www.intel.com/design/intarch/ep80579/sw_tools.htm
[2] http://lxr.linux.no/#linux+v2.6.35/kernel/kfifo.c
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