Re: [PATCH net-next] net: ethernet: ti: am65-cpts: fix build

From: Anders Roxell
Date: Tue May 05 2020 - 14:50:34 EST


On Tue, 5 May 2020 at 18:21, Grygorii Strashko <grygorii.strashko@xxxxxx> wrote:
>
> It's possible to have build configuration which will force PTP_1588_CLOCK=m
> and so TI_K3_AM65_CPTS=m while still have TI_K3_AM65_CPSW_NUSS=y. This will
> cause build failures:
>
> aarch64-linux-gnu-ld: ../drivers/net/ethernet/ti/am65-cpsw-nuss.o: in function `am65_cpsw_init_cpts':
> ../drivers/net/ethernet/ti/am65-cpsw-nuss.c:1685: undefined reference to `am65_cpts_create'
> aarch64-linux-gnu-ld: ../drivers/net/ethernet/ti/am65-cpsw-nuss.c:1685:(.text+0x2e20):
> relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `am65_cpts_create'
>
> Fix it by adding dependencies from CPTS in TI_K3_AM65_CPSW_NUSS as below:
> config TI_K3_AM65_CPSW_NUSS
> ...
> depends on TI_K3_AM65_CPTS || !TI_K3_AM65_CPTS
>
> Note. This will create below dependencies and for NFS boot + CPTS all of them
> have to be built-in.
> PTP_1588_CLOCK -> TI_K3_AM65_CPTS -> TI_K3_AM65_CPSW_NUSS
>
> While here, clean up TI_K3_AM65_CPTS definition.
>
> Fixes: b1f66a5bee07 ("net: ethernet: ti: am65-cpsw-nuss: enable packet timestamping support")
> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
> Reported-by: Anders Roxell <anders.roxell@xxxxxxxxxx>

Tested-by: Anders Roxell <anders.roxell@xxxxxxxxxx>

> ---
> drivers/net/ethernet/ti/Kconfig | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig
> index 4ab35ce7b451..988e907e3322 100644
> --- a/drivers/net/ethernet/ti/Kconfig
> +++ b/drivers/net/ethernet/ti/Kconfig
> @@ -99,7 +99,7 @@ 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
> + depends on TI_K3_AM65_CPTS || !TI_K3_AM65_CPTS

Don't we want to move this so it is below the other 'depends on' ?

Cheers,
Anders

> help
> This driver supports TI K3 AM654/J721E CPSW2G Ethernet SubSystem.
> The two-port Gigabit Ethernet MAC (MCU_CPSW0) subsystem provides
> @@ -112,9 +112,8 @@ config TI_K3_AM65_CPSW_NUSS
>
> config TI_K3_AM65_CPTS
> tristate "TI K3 AM65x CPTS"
> - depends on ARCH_K3 && OF && PTP_1588_CLOCK
> + depends on ARCH_K3 && OF
> depends on PTP_1588_CLOCK
> - select NET_PTP_CLASSIFY
> help
> Say y here to support the TI K3 AM65x CPTS with 1588 features such as
> PTP hardware clock for each CPTS device and network packets
> --
> 2.17.1
>