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SubjectRe: [PATCH] [net-next] stmmac: use netif_set_real_num_{rx,tx}_queues
Às 6:48 PM de 3/30/2017, David Miller escreveu:
> From: Thierry Reding <>
> Date: Thu, 30 Mar 2017 16:34:36 +0200
>> On Thu, Mar 30, 2017 at 09:45:36AM +0200, Corentin Labbe wrote:
>>> On Tue, Mar 28, 2017 at 06:01:05PM -0700, David Miller wrote:
>>>> From: Arnd Bergmann <>
>>>> Date: Tue, 28 Mar 2017 11:48:21 +0200
>>>>> A driver must not access the two fields directly but should instead use
>>>>> the helper functions to set the values and keep a consistent internal
>>>>> state:
>>>>> ethernet/stmicro/stmmac/stmmac_main.c: In function 'stmmac_dvr_probe':
>>>>> ethernet/stmicro/stmmac/stmmac_main.c:4083:8: error: 'struct net_device' has no member named 'real_num_rx_queues'; did you mean 'real_num_tx_queues'?
>>>>> Fixes: a8f5102af2a7 ("net: stmmac: TX and RX queue priority configuration")
>>>>> Signed-off-by: Arnd Bergmann <>
>>>> Applied.
>>> This break my revert patch. (since it patch ("net: stmmac: enable multiple buffers").
>>> Since dwmac-sunxi is still broken, what can I do ? send two revert patch ? or adapt the reverting patch.
>> Have you tried if the kcalloc() patch I sent on Tuesday fixes things the
>> issues introduced by the multiple buffers patch? Niklas reported that it
>> restores functionality on his setup.
> I think he said yesterday that he did indeed test all of your patches and it
> did not fix things for him.
> I am going to revert the enable multiple buffers commit, and I would ask that
> all involved parties work together in the background to resolve all of this.
> Thank you.

@David: Agreed.

@Corentin: Please check if the DMA Engine is well configured and if the dma
rx/tx has started. This is done by dumping the DMA Registers.
Please also check the MAC related registers and dump them in order to have a
clear picture if the IP is being well configured.
This is critial to analise what's hapenning in your setup.


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