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

[David Miller]

From: Grygorii Strashko <grygorii.strashko@xxxxxx>
Date: Tue, 5 May 2020 19:21:23 +0300

> 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>

Applied.