linux-kernel - [PATCH 1/4] tee: allow compilation of tee subsystem for AMD CPUs

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Message-Id: <515ebade213492080b97ed6426c82a0fe22c03ab.1577423898.git.Rijo-john.Thomas@amd.com>
Date:   Fri, 27 Dec 2019 10:54:00 +0530
From:   Rijo Thomas <Rijo-john.Thomas@....com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
        tee-dev@...ts.linaro.org
Cc:     Rijo Thomas <Rijo-john.Thomas@....com>,
        Nimesh Easow <Nimesh.Easow@....com>,
        Devaraj Rangasamy <Devaraj.Rangasamy@....com>,
        Jens Wiklander <jens.wiklander@...aro.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Tom Lendacky <thomas.lendacky@....com>,
        Gary Hook <gary.hook@....com>
Subject: [PATCH 1/4] tee: allow compilation of tee subsystem for AMD CPUs

Allow compilation of tee subsystem for AMD's CPUs which have a dedicated
AMD Secure Processor for Trusted Execution Environment (TEE).

Acked-by: Jens Wiklander <jens.wiklander@...aro.org>
Co-developed-by: Devaraj Rangasamy <Devaraj.Rangasamy@....com>
Signed-off-by: Devaraj Rangasamy <Devaraj.Rangasamy@....com>
Signed-off-by: Rijo Thomas <Rijo-john.Thomas@....com>
---
 drivers/tee/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tee/Kconfig b/drivers/tee/Kconfig
index 676ffcb..4f3197d 100644
--- a/drivers/tee/Kconfig
+++ b/drivers/tee/Kconfig
@@ -2,7 +2,7 @@
 # Generic Trusted Execution Environment Configuration
 config TEE
 	tristate "Trusted Execution Environment support"
-	depends on HAVE_ARM_SMCCC || COMPILE_TEST
+	depends on HAVE_ARM_SMCCC || COMPILE_TEST || CPU_SUP_AMD
 	select DMA_SHARED_BUFFER
 	select GENERIC_ALLOCATOR
 	help
-- 
1.9.1