netdev - Re: [PATCH net-next 08/40] net: fec: move cbd_bufaddr assignment closer to the mapping function

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Message-ID: <56ABA62F.3050003@boundarydevices.com>
Date:	Fri, 29 Jan 2016 10:49:35 -0700
From:	Troy Kisky <troy.kisky@...ndarydevices.com>
To:	Arnd Bergmann <arnd@...db.de>, linux-arm-kernel@...ts.infradead.org
Cc:	netdev@...r.kernel.org, davem@...emloft.net, B38611@...escale.com,
	fabio.estevam@...escale.com, andrew@...n.ch,
	linux@....linux.org.uk, laci@...ndarydevices.com,
	l.stach@...gutronix.de, shawnguo@...nel.org, tremyfr@...il.com,
	Johannes Berg <johannes@...solutions.net>
Subject: Re: [PATCH net-next 08/40] net: fec: move cbd_bufaddr assignment
 closer to the mapping function

On 1/28/2016 3:02 PM, Arnd Bergmann wrote:
> On Thursday 28 January 2016 14:25:32 Troy Kisky wrote:
>> Signed-off-by: Troy Kisky <troy.kisky@...ndarydevices.com>
>> ---
>>  drivers/net/ethernet/freescale/fec_main.c | 4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> [note: missing changelog?]
> 
>> diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
>> index b87f80d..15a93f90 100644
>> --- a/drivers/net/ethernet/freescale/fec_main.c
>> +++ b/drivers/net/ethernet/freescale/fec_main.c
>> @@ -476,6 +476,8 @@ static int fec_enet_txq_submit_skb(struct fec_enet_priv_tx_q *txq,
>>  				estatus |= BD_ENET_TX_TS;
>>  		}
>>  	}
>> +	bdp->cbd_bufaddr = addr;
>> +	bdp->cbd_datlen = buflen;
>>  
>>  	if (fep->bufdesc_ex) {
>>  
>> @@ -499,8 +501,6 @@ static int fec_enet_txq_submit_skb(struct fec_enet_priv_tx_q *txq,
>>  	/* Save skb pointer */
>>  	txq->tx_skbuff[index] = skb;
>>  
>> -	bdp->cbd_datlen = buflen;
>> -	bdp->cbd_bufaddr = addr;
>>  	/* Make sure the updates to rest of the descriptor are performed before
>>  	 * transferring ownership.
>>  	 */
>>
> 
> This patch and others in the series conflicts with the bugfix "net: fec: make
> driver endian-safe" that Johannes sent this week. Can you include his fix
> in your series and ensure that all descriptor accesses are done in
> an endian-safe way?
> 
> 	Arnd

Sure, I'll rebase and send the first few when net-next is updated.

Thanks
Troy