linux-kernel - [RFC PATCH v2 1/3] tee: allow compilation of tee subsystem for AMD CPUs

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Date:   Tue,  3 Dec 2019 10:26:21 +0530
From:   Rijo Thomas <Rijo-john.Thomas@....com>
To:     Jens Wiklander <jens.wiklander@...aro.org>,
        tee-dev@...ts.linaro.org, linux-kernel@...r.kernel.org
Cc:     Rijo Thomas <Rijo-john.Thomas@....com>,
        Nimesh Easow <Nimesh.Easow@....com>,
        Devaraj Rangasamy <Devaraj.Rangasamy@....com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: [RFC PATCH v2 1/3] 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).

Cc: 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