[PATCH -next] rdma/siw: Add missing dependencies on LIBCRC32C and DMA_VIRT_OPS

[Geert Uytterhoeven]

If LIBCRC32C and DMA_VIRT_OPS are not enabled:

    drivers/infiniband/sw/siw/siw_main.o: In function `siw_newlink':
    siw_main.c:(.text+0x35c): undefined reference to `dma_virt_ops'
    drivers/infiniband/sw/siw/siw_qp_rx.o: In function `siw_csum_update':
    siw_qp_rx.c:(.text+0x16): undefined reference to `crc32c'

Fix the first issue by adding a select of DMA_VIRT_OPS.
Fix the second issue by replacing the unneeded dependency on
CRYPTO_CRC32 by a dependency on LIBCRC32C.

Reported-by: noreply@xxxxxxxxxxxxxx (first issue)
Fixes: c0cf5bdde46c664d ("rdma/siw: addition to kernel build environment")
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
 drivers/infiniband/sw/siw/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/sw/siw/Kconfig b/drivers/infiniband/sw/siw/Kconfig
index 94f684174ce3556e..b622fc62f2cd6d46 100644
--- a/drivers/infiniband/sw/siw/Kconfig
+++ b/drivers/infiniband/sw/siw/Kconfig
@@ -1,6 +1,7 @@
 config RDMA_SIW
 	tristate "Software RDMA over TCP/IP (iWARP) driver"
-	depends on INET && INFINIBAND && CRYPTO_CRC32
+	depends on INET && INFINIBAND && LIBCRC32C
+	select DMA_VIRT_OPS
 	help
 	This driver implements the iWARP RDMA transport over
 	the Linux TCP/IP network stack. It enables a system with a
-- 
2.17.1