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net: lan966x: Fix when CONFIG_PTP_1588_CLOCK is compiled as module

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When CONFIG_PTP_1588_CLOCK is compiled as a module, then the linking of
the lan966x fails because it can't find references to the following
functions 'ptp_clock_index', 'ptp_clock_register' and
'ptp_clock_unregister'

The fix consists in adding CONFIG_PTP_1588_CLOCK_OPTIONAL as a
dependency for the driver.

Fixes: d096459494a887 ("net: lan966x: Add support for ptp clocks")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Horatiu Vultur 2022-02-12 21:45:44 +01:00 committed by David S. Miller
parent 48927142bc
commit 1da52b0e47
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/microchip/lan966x/Kconfig
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@ -1,5 +1,6 @@
config LAN966X_SWITCH
tristate "Lan966x switch driver"
depends on PTP_1588_CLOCK_OPTIONAL
depends on HAS_IOMEM
depends on OF
depends on NET_SWITCHDEV