From: Sahil Malhotra <sahil.malhotra@nxp.com>
To: linux-kernel@vger.kernel.org
Cc: Sahil Malhotra <sahil.malhotra@nxp.com>,
Jens Wiklander <jens.wiklander@linaro.org>
Subject: [PATCH] tee: optee: making OPTEE_SHM_NUM_PRIV_PAGES configurable via Kconfig
Date: Fri, 8 Jun 2018 12:38:13 +0530 [thread overview]
Message-ID: <20180608070813.27263-1-sahil.malhotra@nxp.com> (raw)
This change adds KCONFIG option to set number of pages out of
whole shared memory to be used for OP-TEE driver private data
structures.
Signed-off-by: Sahil Malhotra <sahil.malhotra@nxp.com>
---
drivers/tee/optee/Kconfig | 8 ++++++++
drivers/tee/optee/core.c | 2 +-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/tee/optee/Kconfig b/drivers/tee/optee/Kconfig
index 524c7a80fde4..f425c960a5a2 100644
--- a/drivers/tee/optee/Kconfig
+++ b/drivers/tee/optee/Kconfig
@@ -12,3 +12,11 @@ config OPTEE_BENCHMARK
help
This enables benchmarking feature in the OP-TEE Trusted
Execution Environment (TEE) driver.
+
+config OPTEE_SHM_NUM_PRIV_PAGES
+ int "Private Shared Memory Pages"
+ default 1
+ depends on OPTEE
+ help
+ This sets the number of private shared memory pages to be
+ used by OP-TEE TEE driver.
diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
index 4a2c420d4fe4..8d3be6b1bb96 100644
--- a/drivers/tee/optee/core.c
+++ b/drivers/tee/optee/core.c
@@ -33,7 +33,7 @@
#define DRIVER_NAME "optee"
-#define OPTEE_SHM_NUM_PRIV_PAGES 1
+#define OPTEE_SHM_NUM_PRIV_PAGES CONFIG_OPTEE_SHM_NUM_PRIV_PAGES
/**
* optee_from_msg_param() - convert from OPTEE_MSG parameters to
--
2.17.0
next reply other threads:[~2018-06-08 5:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-08 7:08 Sahil Malhotra [this message]
2018-06-20 9:12 ` Jens Wiklander
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