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generic: backport 5.16 fix for hv utils build failure 

Backports following fix:

 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'

References: https://lore.kernel.org/stable/20220328093115.7486-1-ynezz@true.cz/T/#u
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
Petr Štetiar 2022-03-28 11:35:57 +02:00
parent 756e71b03f
commit 972f2bff6a
1 changed files with 46 additions and 0 deletions
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46
target/linux/generic/backport-5.15/730-v5.16-hv-utils-add-PTP_1588_CLOCK-to-Kconfig-to-fix-build.patch Normal file
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@ -0,0 +1,46 @@
From fba2153a200716c1fec1eafda7356bb347589efb Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Thu, 25 Nov 2021 18:33:16 -0800
Subject: [PATCH] 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'
References: https://lore.kernel.org/stable/20220328093115.7486-1-ynezz@true.cz/T/#u
Fixes: 3716a49a81ba ("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>
(cherry picked from commit 1dc2f2b81a6a9895da59f3915760f6c0c3074492)
---
drivers/hv/Kconfig | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/hv/Kconfig
+++ b/drivers/hv/Kconfig
@@ -18,6 +18,7 @@ config HYPERV_TIMER
config HYPERV_UTILS
tristate "Microsoft Hyper-V Utilities driver"
depends on HYPERV && CONNECTOR && NLS
+ depends on PTP_1588_CLOCK_OPTIONAL
help
Select this option to enable the Hyper-V Utilities.