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tee: optee: making OPTEE_SHM_NUM_PRIV_PAGES configurable via Kconfig

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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>
[jw: fixing trivial merge conflict]
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
This commit is contained in:
Sahil Malhotra 2018-06-08 12:38:13 +05:30 committed by Jens Wiklander
parent cf89fe88a6
commit 3249527f19
2 changed files with 9 additions and 1 deletions
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8
drivers/tee/optee/Kconfig
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@ -5,3 +5,11 @@ config OPTEE
help
This implements 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.

2
drivers/tee/optee/core.c
View File

@ -32,7 +32,7 @@
#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