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Date:   Fri, 16 Dec 2022 16:54:48 -0500
From:   Paul Gazzillo <>
To:     "David S. Miller" <>,
        Eric Dumazet <>,
        Jakub Kicinski <>,
        Paolo Abeni <>,
        Randy Dunlap <>,
        Zheng Bin <>,
        Yang Yingliang <>,
        Suman Ghosh <>,,
Cc:     Paul Gazzillo <>
Subject: [PATCH] octeontx2_pf: Select NET_DEVLINK when enabling OCTEONTX2_PF

When using COMPILE_TEST, the driver controlled by OCTEONTX2_PF does
not select NET_DEVLINK while the related OCTEONTX2_AF driver does.
This means that when OCTEONTX2_PF is enabled from a default
configuration, linker errors will occur due to undefined references to
code controlled by NET_DEVLINK.

1. make.cross ARCH=x86_64 defconfig
2. make.cross ARCH=x86_64 menuconfig
   General setup  --->
     Compile also drivers which will not load
4. Enable OCTEONTX2_PF
   Device Drivers  --->
     Network device support  --->
       Ethernet driver support  --->
         Marvell OcteonTX2 NIC Physical Function driver
5. Exit and save configuration.  NET_DEVLINK will still be disabled.
6. make.cross ARCH=x86_64 several linker errors, for example,
   ld: drivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.o:
     in function `otx2_register_dl':
   otx2_devlink.c:(.text+0x142): undefined reference to `devlink_alloc_ns'

This fix adds "select NET_DEVLINK" link to OCTEONTX2_PF's Kconfig
specification to match OCTEONTX2_AF.

Signed-off-by: Paul Gazzillo <>
 drivers/net/ethernet/marvell/octeontx2/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/marvell/octeontx2/Kconfig b/drivers/net/ethernet/marvell/octeontx2/Kconfig
index 3f982ccf2c85..639893d87055 100644
--- a/drivers/net/ethernet/marvell/octeontx2/Kconfig
+++ b/drivers/net/ethernet/marvell/octeontx2/Kconfig
@@ -31,6 +31,7 @@ config NDC_DIS_DYNAMIC_CACHING
 config OCTEONTX2_PF
 	tristate "Marvell OcteonTX2 NIC Physical Function driver"
+	select NET_DEVLINK
 	depends on (64BIT && COMPILE_TEST) || ARM64
 	depends on PCI
 	depends on PTP_1588_CLOCK_OPTIONAL

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