linux/drivers/infiniband/hw/hns/Kconfig
Arnd Bergmann d5b60e26e8 RDMA/hns: Fix build error again
This is not the first attempt to fix building random configurations,
unfortunately the attempt in commit a07fc0bb48 ("RDMA/hns: Fix build
error") caused a new problem when CONFIG_INFINIBAND_HNS_HIP06=m and
CONFIG_INFINIBAND_HNS_HIP08=y:

drivers/infiniband/hw/hns/hns_roce_main.o:(.rodata+0xe60): undefined reference to `__this_module'

Revert commits a07fc0bb48 ("RDMA/hns: Fix build error") and
a3e2d4c7e7 ("RDMA/hns: remove obsolete Kconfig comment") to get back to
the previous state, then fix the issues described there differently, by
adding more specific dependencies: INFINIBAND_HNS can now only be built-in
if at least one of HNS or HNS3 are built-in, and the individual back-ends
are only available if that code is reachable from the main driver.

Fixes: a07fc0bb48 ("RDMA/hns: Fix build error")
Fixes: a3e2d4c7e7 ("RDMA/hns: remove obsolete Kconfig comment")
Fixes: dd74282df5 ("RDMA/hns: Initialize the PCI device for hip08 RoCE")
Fixes: 08805fdbeb ("RDMA/hns: Split hw v1 driver from hns roce driver")
Link: https://lore.kernel.org/r/20191007211826.3361202-1-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-29 16:16:54 -03:00

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# SPDX-License-Identifier: GPL-2.0-only
config INFINIBAND_HNS
tristate "HNS RoCE Driver"
depends on NET_VENDOR_HISILICON
depends on ARM64 || (COMPILE_TEST && 64BIT)
depends on (HNS_DSAF && HNS_ENET) || HNS3
---help---
This is a RoCE/RDMA driver for the Hisilicon RoCE engine. The engine
is used in Hisilicon Hip06 and more further ICT SoC based on
platform device.
To compile HIP06 or HIP08 driver as module, choose M here.
config INFINIBAND_HNS_HIP06
bool "Hisilicon Hip06 Family RoCE support"
depends on INFINIBAND_HNS && HNS && HNS_DSAF && HNS_ENET
depends on INFINIBAND_HNS=m || (HNS_DSAF=y && HNS_ENET=y)
---help---
RoCE driver support for Hisilicon RoCE engine in Hisilicon Hip06 and
Hip07 SoC. These RoCE engines are platform devices.
To compile this driver, choose Y here: if INFINIBAND_HNS is m, this
module will be called hns-roce-hw-v1
config INFINIBAND_HNS_HIP08
bool "Hisilicon Hip08 Family RoCE support"
depends on INFINIBAND_HNS && PCI && HNS3
depends on INFINIBAND_HNS=m || HNS3=y
---help---
RoCE driver support for Hisilicon RoCE engine in Hisilicon Hip08 SoC.
The RoCE engine is a PCI device.
To compile this driver, choose Y here: if INFINIBAND_HNS is m, this
module will be called hns-roce-hw-v2.