From b64d471908d55b4044c258478c5c69e351addddc Mon Sep 17 00:00:00 2001 From: Sahil Malhotra Date: Tue, 29 May 2018 16:33:24 +0530 Subject: [PATCH] tee: optee: making OPTEE_SHM_NUM_PRIV_PAGES configurable via Kconfig 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 --- 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 524c7a80fde4e8..f425c960a5a222 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 4a2c420d4fe42c..8d3be6b1bb96af 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