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Subject[PATCH net-next] net: ethernet: ti: am65-cpts: fix build
Date
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@ti.com>
Reported-by: Anders Roxell <anders.roxell@linaro.org>
---
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
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
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