From: Eugen.Hristev at microchip.com <Eugen.Hristev@microchip.com>
To: u-boot@lists.denx.de
Subject: [PATCH 1/6] net: macb: use dummy descriptor for RBQP
Date: Wed, 16 Dec 2020 08:29:46 +0000 [thread overview]
Message-ID: <f3ebf10a-3076-7657-dd3e-20af44bc1cc9@microchip.com> (raw)
In-Reply-To: <CAEUhbmVrAY57dGeSsCysuwxtUQsR1k2NrLbiC5tQXf2Uhk85VQ@mail.gmail.com>
On 16.12.2020 09:17, Bin Meng wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> Hi Eugen,
>
> On Wed, Dec 16, 2020 at 2:55 PM <Eugen.Hristev@microchip.com> wrote:
>>
>> On 03.12.2020 11:25, Claudiu Beznea wrote:
>>> In case of multiple queues on RX side the queue scheduler
>>> will try to use all the available configured queues (with
>>> descriptors having TX_USED bit cleared). If at least one RBQP
>>> points to a descriptor with a valid used bit configuration then
>>> the reception may block as this may point to any memory. To avoid
>>> this scenario all the queues (except queue zero) were disabled by
>>> setting DMA descriptors with used bit set on proper RBQP. The driver
>>> anyway uses only queue 0 for TX/RX.
>>>
>>> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
>>> ---
>>
>> Hi Anup, Bin, Padmarao,
>>
>> I noticed on the mailing list that you have been actively working and
>> testing the Macb driver on various platforms, we have this series
>> outstanding and I want to make sure that it does not break anything on
>> your side, so it would be appreciated if you could have a look or test
>> it before it goes into master branch.
>>
>
> Is this series for Microchip PolarFire SoC?
No, but this series affects the macb driver, and because other platforms
use it, I do not wish to have a chance to break them.
>
> Regards,
> Bin
>
next prev parent reply other threads:[~2020-12-16 8:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 9:25 [PATCH 0/6] add support for sama7g5 ethernet interfaces Claudiu Beznea
2020-12-03 9:25 ` [PATCH 1/6] net: macb: use dummy descriptor for RBQP Claudiu Beznea
2020-12-16 6:54 ` Eugen.Hristev at microchip.com
2020-12-16 7:17 ` Bin Meng
2020-12-16 8:29 ` Eugen.Hristev at microchip.com [this message]
2020-12-17 5:22 ` Padmarao.Begari at microchip.com
2021-01-14 11:19 ` Eugen.Hristev at microchip.com
2021-01-15 4:02 ` Padmarao Begari
2021-01-15 8:04 ` Eugen.Hristev at microchip.com
2021-01-15 12:26 ` Padmarao Begari
2021-01-15 12:42 ` Eugen.Hristev at microchip.com
2020-12-03 9:25 ` [PATCH 2/6] net: macb: add user io config data structure Claudiu Beznea
2020-12-03 9:25 ` [PATCH 3/6] net: macb: check clk_set_rate return value to be negative Claudiu Beznea
2020-12-03 9:25 ` [PATCH 4/6] net: macb: add support for sama7g5 gmac Claudiu Beznea
2020-12-03 9:25 ` [PATCH 5/6] net: macb: add support for sama7g5 emac Claudiu Beznea
2020-12-03 9:25 ` [PATCH 6/6] net: macb: take into account all RGMII interface types Claudiu Beznea
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