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Subject: Re: [PATCH net-next 3/7] net: ethernet: ti: am65-cpsw-nuss: enable
 packet timestamping support
To:     Anders Roxell <anders.roxell@linaro.org>
CC:     Richard Cochran <richardcochran@gmail.com>,
        Murali Karicheri <m-karicheri2@ti.com>,
        "David S. Miller" <davem@davemloft.net>,
        Rob Herring <robh+dt@kernel.org>,
        Tero Kristo <t-kristo@ti.com>,
        Lokesh Vutla <lokeshvutla@ti.com>,
        Networking <netdev@vger.kernel.org>,
        Sekhar Nori <nsekhar@ti.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        <devicetree@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Nishanth Menon <nm@ti.com>
References: <20200501205011.14899-1-grygorii.strashko@ti.com>
 <20200501205011.14899-4-grygorii.strashko@ti.com>
 <CADYN=9L+RtruRYKah0Bomh7UaPGQ==N9trd0ZoVQ3GTc-VY8Dg@mail.gmail.com>
 <1bf51157-9fee-1948-f9ff-116799d12731@ti.com>
 <CADYN=9LfqLLmKNHPfXEiQbaX8ELF78BL-vWUcX-VP3aQ86csNg@mail.gmail.com>
 <CADYN=9LDCE2sQca12D4ow3BkaxXi1_bnc4Apu7pP4vnA=5AOKA@mail.gmail.com>
From:   Grygorii Strashko <grygorii.strashko@ti.com>
Message-ID: <7c32cb2f-e0f3-8861-3cdc-ef3f922aa044@ti.com>
Date:   Tue, 5 May 2020 15:55:37 +0300
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On 05/05/2020 14:59, Anders Roxell wrote:
> On Tue, 5 May 2020 at 13:16, Anders Roxell <anders.roxell@linaro.org> wrote:
>>
>> On Tue, 5 May 2020 at 13:05, Grygorii Strashko <grygorii.strashko@ti.com> wrote:
>>>
>>> hi Anders,
>>
>> Hi Grygorii,
> 
> Hi again,
> 
>>
>>>
>>> On 05/05/2020 13:17, Anders Roxell wrote:
>>>> On Fri, 1 May 2020 at 22:50, Grygorii Strashko <grygorii.strashko@ti.com> wrote:
>>>>>
>>>>> The MCU CPSW Common Platform Time Sync (CPTS) provides possibility to
>>>>> timestamp TX PTP packets and all RX packets.
>>>>>
>>>>> This enables corresponding support in TI AM65x/J721E MCU CPSW driver.
>>>>>
>>>>> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
>>>>> ---
>>>>>    drivers/net/ethernet/ti/Kconfig             |   1 +
>>>>>    drivers/net/ethernet/ti/am65-cpsw-ethtool.c |  24 ++-
>>>>>    drivers/net/ethernet/ti/am65-cpsw-nuss.c    | 172 ++++++++++++++++++++
>>>>>    drivers/net/ethernet/ti/am65-cpsw-nuss.h    |   6 +-
>>>>>    4 files changed, 201 insertions(+), 2 deletions(-)
>>>>>
>>>>> diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig
>>>>> index 1f4e5b6dc686..2c7bd1ccaaec 100644
>>>>> --- a/drivers/net/ethernet/ti/Kconfig
>>>>> +++ b/drivers/net/ethernet/ti/Kconfig
>>>>> @@ -100,6 +100,7 @@ config TI_K3_AM65_CPSW_NUSS
>>>>>           depends on ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER
>>>>>           select TI_DAVINCI_MDIO
>>>>>           imply PHY_TI_GMII_SEL
>>>>> +       imply TI_AM65_CPTS
>>>>
>>>> Should this be TI_K3_AM65_CPTS ?
> 
> instead of 'imply TI_K3_AM65_CPTS' don't you want to do this:
> 'depends on TI_K3_AM65_CPTS || !TI_K3_AM65_CPTS'
> 
> 

this seems will do the trick.
Dependencies:
PTP_1588_CLOCK -> TI_K3_AM65_CPTS -> TI_K3_AM65_CPSW_NUSS

I'll send patch.

-- 
Best regards,
grygorii