Re: [PATCH net-next 3/7] net: ethernet: ti: am65-cpsw-nuss: enable packet timestamping support

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hi Anders,

On 05/05/2020 13:17, Anders Roxell wrote:
On Fri, 1 May 2020 at 22:50, Grygorii Strashko <grygorii.strashko@xxxxxx> 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@xxxxxx>
---
  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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