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hv: utils: add PTP_1588_CLOCK to Kconfig to fix build 

The hyperv utilities use PTP clock interfaces and should depend a
a kconfig symbol such that they will be built as a loadable module or
builtin so that linker errors do not happen.

Prevents these build errors:

ld: drivers/hv/hv_util.o: in function `hv_timesync_deinit':
hv_util.c:(.text+0x37d): undefined reference to `ptp_clock_unregister'
ld: drivers/hv/hv_util.o: in function `hv_timesync_init':
hv_util.c:(.text+0x738): undefined reference to `ptp_clock_register'

Fixes: 3716a49a81 ("hv_utils: implement Hyper-V PTP source")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: linux-hyperv@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20211126023316.25184-1-rdunlap@infradead.org
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Randy Dunlap 2021-11-25 18:33:16 -08:00 committed by Wei Liu
parent f3e613e72f
commit 1dc2f2b81a
1 changed files with 1 additions and 0 deletions
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drivers/hv/Kconfig
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@ -19,6 +19,7 @@ config HYPERV_TIMER
config HYPERV_UTILS config HYPERV_UTILS
tristate "Microsoft Hyper-V Utilities driver" tristate "Microsoft Hyper-V Utilities driver"
depends on HYPERV && CONNECTOR && NLS depends on HYPERV && CONNECTOR && NLS
depends on PTP_1588_CLOCK_OPTIONAL
help help
Select this option to enable the Hyper-V Utilities. Select this option to enable the Hyper-V Utilities.