KS8851 selects MICREL_PHY, which depends on PTP_1588_CLOCK_OPTIONAL, so
make KS8851 also depend on PTP_1588_CLOCK_OPTIONAL.

Fixes kconfig warning and build errors:

WARNING: unmet direct dependencies detected for MICREL_PHY
  Depends on [m]: NETDEVICES [=y] && PHYLIB [=y] && PTP_1588_CLOCK_OPTIONAL [=m]
    Selected by [y]:
      - KS8851 [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_MICREL [=y] && SPI [=y]

ld.lld: error: undefined symbol: ptp_clock_register referenced by micrel.c
net/phy/micrel.o:(lan8814_probe) in archive drivers/built-in.a
ld.lld: error: undefined symbol: ptp_clock_index referenced by micrel.c
net/phy/micrel.o:(lan8814_ts_info) in archive drivers/built-in.a

Reported-by: kernel test robot <lkp@intel.com>
Fixes: ece19502834d ("net: phy: micrel: 1588 support for LAN8814 phy")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
---
 drivers/net/ethernet/micrel/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/micrel/Kconfig b/drivers/net/ethernet/micrel/Kconfig
index 1b632cdd7630..830363bafcce 100644
--- a/drivers/net/ethernet/micrel/Kconfig
+++ b/drivers/net/ethernet/micrel/Kconfig
@@ -28,6 +28,7 @@ config KS8842
 config KS8851
 	tristate "Micrel KS8851 SPI"
 	depends on SPI
+	depends on PTP_1588_CLOCK_OPTIONAL
 	select MII
 	select CRC32
 	select EEPROM_93CX6
-- 
2.33.0

On 4/4/22 23:59, Horatiu Vultur wrote:
> KS8851 selects MICREL_PHY, which depends on PTP_1588_CLOCK_OPTIONAL, so
> make KS8851 also depend on PTP_1588_CLOCK_OPTIONAL.
> 
> Fixes kconfig warning and build errors:
> 
> WARNING: unmet direct dependencies detected for MICREL_PHY
>   Depends on [m]: NETDEVICES [=y] && PHYLIB [=y] && PTP_1588_CLOCK_OPTIONAL [=m]
>     Selected by [y]:
>       - KS8851 [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_MICREL [=y] && SPI [=y]
> 
> ld.lld: error: undefined symbol: ptp_clock_register referenced by micrel.c
> net/phy/micrel.o:(lan8814_probe) in archive drivers/built-in.a
> ld.lld: error: undefined symbol: ptp_clock_index referenced by micrel.c
> net/phy/micrel.o:(lan8814_ts_info) in archive drivers/built-in.a
> 
> Reported-by: kernel test robot <lkp@intel.com>
> Fixes: ece19502834d ("net: phy: micrel: 1588 support for LAN8814 phy")
> Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>

Tested-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>

Thanks.

> ---
>  drivers/net/ethernet/micrel/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/micrel/Kconfig b/drivers/net/ethernet/micrel/Kconfig
> index 1b632cdd7630..830363bafcce 100644
> --- a/drivers/net/ethernet/micrel/Kconfig
> +++ b/drivers/net/ethernet/micrel/Kconfig
> @@ -28,6 +28,7 @@ config KS8842
>  config KS8851
>  	tristate "Micrel KS8851 SPI"
>  	depends on SPI
> +	depends on PTP_1588_CLOCK_OPTIONAL
>  	select MII
>  	select CRC32
>  	select EEPROM_93CX6

-- 
~Randy

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Tue, 5 Apr 2022 08:59:36 +0200 you wrote:
> KS8851 selects MICREL_PHY, which depends on PTP_1588_CLOCK_OPTIONAL, so
> make KS8851 also depend on PTP_1588_CLOCK_OPTIONAL.
> 
> Fixes kconfig warning and build errors:
> 
> WARNING: unmet direct dependencies detected for MICREL_PHY
>   Depends on [m]: NETDEVICES [=y] && PHYLIB [=y] && PTP_1588_CLOCK_OPTIONAL [=m]
>     Selected by [y]:
>       - KS8851 [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_MICREL [=y] && SPI [=y]
> 
> [...]

Here is the summary with links:
  - [net] net: micrel: Fix KS8851 Kconfig
    https://git.kernel.org/netdev/net/c/1d7e4fd72bb9

You are awesome, thank you!
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