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    Subject[PATCH 5.10 474/663] scsi: bnx2fc: Fix Kconfig warning & CNIC build errors
    Date
    From: Randy Dunlap <rdunlap@infradead.org>

    [ Upstream commit eefb816acb0162e94a85a857f3a55148f671d5a5 ]

    CNIC depends on MMU, but since 'select' does not follow any dependency
    chains, SCSI_BNX2X_FCOE also needs to depend on MMU, so that erroneous
    configs are not generated, which cause build errors in cnic.

    WARNING: unmet direct dependencies detected for CNIC
    Depends on [n]: NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_BROADCOM [=y] && PCI [=y] && (IPV6 [=n] || IPV6 [=n]=n) && MMU [=n]
    Selected by [y]:
    - SCSI_BNX2X_FCOE [=y] && SCSI_LOWLEVEL [=y] && SCSI [=y] && PCI [=y] && (IPV6 [=n] || IPV6 [=n]=n) && LIBFC [=y] && LIBFCOE [=y]

    riscv64-linux-ld: drivers/net/ethernet/broadcom/cnic.o: in function `.L154':
    cnic.c:(.text+0x1094): undefined reference to `uio_event_notify'
    riscv64-linux-ld: cnic.c:(.text+0x10bc): undefined reference to `uio_event_notify'
    riscv64-linux-ld: drivers/net/ethernet/broadcom/cnic.o: in function `.L1442':
    cnic.c:(.text+0x96a8): undefined reference to `__uio_register_device'
    riscv64-linux-ld: drivers/net/ethernet/broadcom/cnic.o: in function `.L0 ':
    cnic.c:(.text.unlikely+0x68): undefined reference to `uio_unregister_device'

    Link: https://lore.kernel.org/r/20210213192428.22537-1-rdunlap@infradead.org
    Fixes: 853e2bd2103a ("[SCSI] bnx2fc: Broadcom FCoE offload driver")
    Cc: Saurav Kashyap <skashyap@marvell.com>
    Cc: Javed Hasan <jhasan@marvell.com>
    Cc: GR-QLogic-Storage-Upstream@marvell.com
    Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
    Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
    Cc: linux-scsi@vger.kernel.org
    Reported-by: kernel test robot <lkp@intel.com>
    Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
    Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/scsi/bnx2fc/Kconfig | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/scsi/bnx2fc/Kconfig b/drivers/scsi/bnx2fc/Kconfig
    index 3cf7e08df8093..ecdc0f0f4f4e6 100644
    --- a/drivers/scsi/bnx2fc/Kconfig
    +++ b/drivers/scsi/bnx2fc/Kconfig
    @@ -5,6 +5,7 @@ config SCSI_BNX2X_FCOE
    depends on (IPV6 || IPV6=n)
    depends on LIBFC
    depends on LIBFCOE
    + depends on MMU
    select NETDEVICES
    select ETHERNET
    select NET_VENDOR_BROADCOM
    --
    2.27.0


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