[PATCH 5.16 0738/1017] net: sparx5: depends on PTP_1588_CLOCK_OPTIONAL

[Greg Kroah-Hartman]

From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

[ Upstream commit 08be6b13db23f68146c600dd5adfd92e99d9ec6e ]

Fix build errors when PTP_1588_CLOCK=m and SPARX5_SWTICH=y.

arc-linux-ld: drivers/net/ethernet/microchip/sparx5/sparx5_ethtool.o: in function `sparx5_get_ts_info':
sparx5_ethtool.c:(.text+0x146): undefined reference to `ptp_clock_index'
arc-linux-ld: sparx5_ethtool.c:(.text+0x146): undefined reference to `ptp_clock_index'
arc-linux-ld: drivers/net/ethernet/microchip/sparx5/sparx5_ptp.o: in function `sparx5_ptp_init':
sparx5_ptp.c:(.text+0xd56): undefined reference to `ptp_clock_register'
arc-linux-ld: sparx5_ptp.c:(.text+0xd56): undefined reference to `ptp_clock_register'
arc-linux-ld: drivers/net/ethernet/microchip/sparx5/sparx5_ptp.o: in function `sparx5_ptp_deinit':
sparx5_ptp.c:(.text+0xf30): undefined reference to `ptp_clock_unregister'
arc-linux-ld: sparx5_ptp.c:(.text+0xf30): undefined reference to `ptp_clock_unregister'
arc-linux-ld: sparx5_ptp.c:(.text+0xf38): undefined reference to `ptp_clock_unregister'
arc-linux-ld: sparx5_ptp.c:(.text+0xf46): undefined reference to `ptp_clock_unregister'
arc-linux-ld: drivers/net/ethernet/microchip/sparx5/sparx5_ptp.o:sparx5_ptp.c:(.text+0xf46): more undefined references to `ptp_clock_unregister' follow

Fixes: 3cfa11bac9bb ("net: sparx5: add the basic sparx5 driver")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Cc: Horatiu Vultur <horatiu.vultur@xxxxxxxxxxxxx>
Cc: UNGLinuxDriver@xxxxxxxxxxxxx
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Jakub Kicinski <kuba@xxxxxxxxxx>
Cc: Paolo Abeni <pabeni@xxxxxxxxxx>
Cc: Steen Hegelund <steen.hegelund@xxxxxxxxxxxxx>
Cc: Bjarni Jonasson <bjarni.jonasson@xxxxxxxxxxxxx>
Cc: Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/microchip/sparx5/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/microchip/sparx5/Kconfig b/drivers/net/ethernet/microchip/sparx5/Kconfig
index 7bdbb2d09a14..85b24edb65d5 100644
--- a/drivers/net/ethernet/microchip/sparx5/Kconfig
+++ b/drivers/net/ethernet/microchip/sparx5/Kconfig
@@ -4,6 +4,7 @@ config SPARX5_SWITCH
 	depends on HAS_IOMEM
 	depends on OF
 	depends on ARCH_SPARX5 || COMPILE_TEST
+	depends on PTP_1588_CLOCK_OPTIONAL
 	select PHYLINK
 	select PHY_SPARX5_SERDES
 	select RESET_CONTROLLER
-- 
2.34.1