linux-kernel - [PATCH -next] rdma/siw: Add missing dependencies on LIBCRC32C and DMA_VIRT

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Date:   Wed, 10 Jul 2019 15:39:30 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Bernard Metzler <bmt@...ich.ibm.com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>
Cc:     linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-next@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH -next] rdma/siw: Add missing dependencies on LIBCRC32C and DMA_VIRT_OPS

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@...erman.id.au (first issue)
Fixes: c0cf5bdde46c664d ("rdma/siw: addition to kernel build environment")
Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
 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