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Date:   Tue, 5 May 2020 14:05:11 +0300
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     Anders Roxell <anders.roxell@...aro.org>
CC:     Richard Cochran <richardcochran@...il.com>,
        Murali Karicheri <m-karicheri2@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Tero Kristo <t-kristo@...com>,
        Lokesh Vutla <lokeshvutla@...com>,
        Networking <netdev@...r.kernel.org>,
        Sekhar Nori <nsekhar@...com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Nishanth Menon <nm@...com>
Subject: Re: [PATCH net-next 3/7] net: ethernet: ti: am65-cpsw-nuss: enable
 packet timestamping support

hi Anders,

On 05/05/2020 13:17, Anders Roxell wrote:
> On Fri, 1 May 2020 at 22:50, Grygorii Strashko <grygorii.strashko@...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@...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 ?
> 
> I did an arm64 allmodconfig build on todays next tag: next-20200505
> and got this undefined symbol:
> 
> aarch64-linux-gnu-ld: drivers/net/ethernet/ti/am65-cpsw-nuss.o: in
> function `am65_cpsw_init_cpts':
> /srv/src/kernel/next/obj-arm64-next-20200505/../drivers/net/ethernet/ti/am65-cpsw-nuss.c:1685:
> undefined reference to `am65_cpts_create'
> aarch64-linux-gnu-ld:
> /srv/src/kernel/next/obj-arm64-next-20200505/../drivers/net/ethernet/ti/am65-cpsw-nuss.c:1685:(.text+0x2e20):
> relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol
> `am65_cpts_create'
> aarch64-linux-gnu-ld: drivers/net/ethernet/ti/am65-cpsw-nuss.o: in
> function `am65_cpsw_nuss_tx_compl_packets':
> /srv/src/kernel/next/obj-arm64-next-20200505/../drivers/net/ethernet/ti/am65-cpsw-nuss.c:923:
> undefined reference to `am65_cpts_tx_timestamp'
> aarch64-linux-gnu-ld:
> /srv/src/kernel/next/obj-arm64-next-20200505/../drivers/net/ethernet/ti/am65-cpsw-nuss.c:923:(.text+0x4cf0):
> relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol
> `am65_cpts_tx_timestamp'
> aarch64-linux-gnu-ld: drivers/net/ethernet/ti/am65-cpsw-nuss.o: in
> function `am65_cpsw_nuss_ndo_slave_xmit':
> /srv/src/kernel/next/obj-arm64-next-20200505/../drivers/net/ethernet/ti/am65-cpsw-nuss.c:1018:
> undefined reference to `am65_cpts_prep_tx_timestamp'
> aarch64-linux-gnu-ld:
> /srv/src/kernel/next/obj-arm64-next-20200505/../drivers/net/ethernet/ti/am65-cpsw-nuss.c:1018:(.text+0x58fc):
> relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol
> `am65_cpts_prep_tx_timestamp'
> aarch64-linux-gnu-ld: drivers/net/ethernet/ti/am65-cpsw-nuss.o: in
> function `am65_cpsw_nuss_hwtstamp_set':
> /srv/src/kernel/next/obj-arm64-next-20200505/../drivers/net/ethernet/ti/am65-cpsw-nuss.c:1265:
> undefined reference to `am65_cpts_rx_enable'
> aarch64-linux-gnu-ld:
> /srv/src/kernel/next/obj-arm64-next-20200505/../drivers/net/ethernet/ti/am65-cpsw-nuss.c:1265:(.text+0x7564):
> relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol
> `am65_cpts_rx_enable'
> aarch64-linux-gnu-ld: drivers/net/ethernet/ti/am65-cpsw-ethtool.o: in
> function `am65_cpsw_get_ethtool_ts_info':
> /srv/src/kernel/next/obj-arm64-next-20200505/../drivers/net/ethernet/ti/am65-cpsw-ethtool.c:713:
> undefined reference to `am65_cpts_phc_index'
> aarch64-linux-gnu-ld:
> /srv/src/kernel/next/obj-arm64-next-20200505/../drivers/net/ethernet/ti/am65-cpsw-ethtool.c:713:(.text+0xbe8):
> relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol
> `am65_cpts_phc_index'
> make[1]: *** [/srv/src/kernel/next/Makefile:1114: vmlinux] Error 1
> make[1]: Target 'Image' not remade because of errors.
> make: *** [Makefile:180: sub-make] Error 2
> make: Target 'Image' not remade because of errors.

Sry, I can't reproduce it net-next. trying next...
What's your config?

-- 
Best regards,
grygorii

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