linux-kernel - [PATCH 5.9 306/757] ASoC: cros_ec_codec: fix kconfig dependency warning for SND_SOC_CROS_EC

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Message-Id: <20201027135504.916411710@linuxfoundation.org>
Date:   Tue, 27 Oct 2020 14:49:16 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Necip Fazil Yildiran <fazilyildiran@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.9 306/757] ASoC: cros_ec_codec: fix kconfig dependency warning for SND_SOC_CROS_EC_CODEC

From: Necip Fazil Yildiran <fazilyildiran@...il.com>

[ Upstream commit 50b18e4a2608e3897f3787eaa7dfa869b40d9923 ]

When SND_SOC_CROS_EC_CODEC is enabled and CRYPTO is disabled, it results
in the following Kbuild warning:

WARNING: unmet direct dependencies detected for CRYPTO_LIB_SHA256
  Depends on [n]: CRYPTO [=n]
  Selected by [y]:
  - SND_SOC_CROS_EC_CODEC [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && CROS_EC [=y]

The reason is that SND_SOC_CROS_EC_CODEC selects CRYPTO_LIB_SHA256 without
depending on or selecting CRYPTO while CRYPTO_LIB_SHA256 is subordinate to
CRYPTO.

Honor the kconfig menu hierarchy to remove kconfig dependency warnings.

Fixes: 93fa0af4790a ("ASoC: cros_ec_codec: switch to library API for SHA-256")
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@...il.com>
Link: https://lore.kernel.org/r/20200917141803.92889-1-fazilyildiran@gmail.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/codecs/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 946a70210f492..601ea45d3ea66 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -540,6 +540,7 @@ config SND_SOC_CQ0093VC
 config SND_SOC_CROS_EC_CODEC
 	tristate "codec driver for ChromeOS EC"
 	depends on CROS_EC
+	select CRYPTO
 	select CRYPTO_LIB_SHA256
 	help
 	  If you say yes here you will get support for the
-- 
2.25.1