netdev - Re: [PATCH v2] add the driver for Analog Devices Blackfin on-chip CAN controllers

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Date:	Wed, 9 Dec 2009 20:31:32 +0800
From:	Barry Song <21cnbao@...il.com>
To:	Wolfgang Grandegger <wg@...ndegger.com>
Cc:	davem@...emloft.net, socketcan-core@...ts.berlios.de,
	uclinux-dist-devel@...ckfin.uclinux.org, netdev@...r.kernel.org,
	"H.J. Oertel" <oe@...t.de>
Subject: Re: [PATCH v2] add the driver for Analog Devices Blackfin on-chip CAN 
	controllers

On Wed, Dec 9, 2009 at 6:16 PM, Wolfgang Grandegger <wg@...ndegger.com> wrote:
> Barry Song wrote:
>> Signed-off-by: Barry Song <21cnbao@...il.com>
>> Signed-off-by: H.J. Oertel <oe@...t.de>
>> ---
>>       -v2: cleanup according to Wolfgang Grandegger's feedback
>>       1.delete some unnecessary debug print
>>       2.delete ndo_tx_timeout entry as it is not needed in can
>>       3.use alloc_can_skb, alloc_can_err_skb instead of netdev_alloc_skb
>>       4.add timeout while polling can status
>>       5.rename BFIN_CAN_READ/WRITE_MSG to bfin_can_read/write_data
>>       6.use kernel BIT instead of bit shift
>>       7.use void __iomem * for CAN memory base memory instead of u32
>>       8.delete "dev->last_rx = jiffies" since it is not needed now
>>       9.delete redundant "echo_skb" member in bfin can private data
>>       10.follow can convention to use "_" instead of "-" for file names
>
> Did you consider using structs instead of these ugly and cumbersome
> macro functions? This was my major criticisms with your previous version
> of the patch.
Wolfgang,
I considered using the structures to describe registers, and I
completely agree with you about the advantages of structures. And I am
sure I will move to structures after some time and send a patch for
it. But for the moment, it is not too urgent, so I only fixed all your
other comments. Anyway, if you insist on using structures in just this
patch, I can fix and send the -v3 patch after finishing it.
Thanks
Barry

>
> Wolfgang.
>
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