linux-kernel - [PATCH 2/2] crypto: marvell - fix ethernet driver dependency

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Date:   Thu,  4 Feb 2021 16:42:16 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Boris Brezillon <bbrezillon@...nel.org>,
        Arnaud Ebalard <arno@...isbad.org>,
        Srujana Challa <schalla@...vell.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Lukasz Bartosik <lbartosik@...vell.com>,
        Suheil Chandran <schandran@...vell.com>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] crypto: marvell - fix ethernet driver dependency

From: Arnd Bergmann <arnd@...db.de>

The OcteonTX2 CPT driver force-enables the OCTEONTX2_MBOX symbol,
which fails when network drivers are disabled globally

WARNING: unmet direct dependencies detected for OCTEONTX2_MBOX
  Depends on [n]: NETDEVICES [=n] && ETHERNET [=n] && NET_VENDOR_MARVELL [=n]
  Selected by [y]:
  - CRYPTO_DEV_OCTEONTX2_CPT [=y] && CRYPTO [=y] && CRYPTO_HW [=y] && (ARM64 [=y] || COMPILE_TEST [=y]) && PCI_MSI [=y] && 64BIT [=y] && CRYPTO_LIB_AES [=y]

The crypto driver actually fails to link without the ethernet side,
so this is a hard dependency. Change the 'select' into 'depends on'
to make it build reliably without warnings.

Fixes: 5e8ce8334734 ("crypto: marvell - add Marvell OcteonTX2 CPT PF driver")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/crypto/marvell/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/marvell/Kconfig b/drivers/crypto/marvell/Kconfig
index 2efbd79180ce..576d9e46fb88 100644
--- a/drivers/crypto/marvell/Kconfig
+++ b/drivers/crypto/marvell/Kconfig
@@ -39,9 +39,9 @@ config CRYPTO_DEV_OCTEONTX_CPT
 config CRYPTO_DEV_OCTEONTX2_CPT
 	tristate "Marvell OcteonTX2 CPT driver"
 	depends on ARM64 || COMPILE_TEST
+	depends on OCTEONTX2_MBOX
 	depends on PCI_MSI && 64BIT
 	depends on CRYPTO_LIB_AES
-	select OCTEONTX2_MBOX
 	select CRYPTO_DEV_MARVELL
 	select CRYPTO_SKCIPHER
 	select CRYPTO_HASH
-- 
2.29.2