linux-kernel - [PATCH v2 3/3] hwrng: cctrng

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Date:   Mon, 27 Apr 2020 12:49:06 +0300
From:   Hadar Gat <hadar.gat@....com>
To:     Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hadar Gat <hadar.gat@....com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Stefan Wahren <wahrenst@....net>,
        Zaibo Xu <xuzaibo@...wei.com>,
        Tomer Maimon <tmaimon77@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        Gilad Ben-Yossef <gilad@...yossef.com>,
        Ofir Drang <ofir.drang@....com>
Subject: [PATCH v2 3/3] hwrng: cctrng - update help description

Improved the HW_RANDOM_CCTRNG help description.

Signed-off-by: Hadar Gat <hadar.gat@....com>
---
 drivers/char/hw_random/Kconfig | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index fc8bb31..d53470d 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -478,13 +478,14 @@ config HW_RANDOM_CCTRNG
 	tristate "Arm CryptoCell True Random Number Generator support"
 	depends on HAS_IOMEM & OF
 	help
-	  This driver provides support for the True Random Number
-	  Generator available in Arm TrustZone CryptoCell.
-
-	  To compile this driver as a module, choose M here: the module
+	  Say 'Y' to enable the True Random Number Generator driver for the
+	  Arm TrustZone CryptoCell family of processors.
+	  Currently the CryptoCell 713 and 703 are supported.
+	  The driver is supported only in SoC where Trusted Execution
+	  Environment is not used.
+	  Choose 'M' to compile this driver as a module. The module
 	  will be called cctrng.
-
-	  If unsure, say Y.
+	  If unsure, say 'N'.
 
 endif # HW_RANDOM
 
-- 
2.7.4