| author | Yvonne Chen <yvonne.chen@amlogic.com> | 2018-01-18 08:34:30 (GMT) |
|---|---|---|
| committer | Xindong Xu <xindong.xu@amlogic.com> | 2018-02-01 04:51:10 (GMT) |
| commit | f2dd7614bfc4ff3a34d6acd40e0a69aad1b5b845 (patch) | |
| tree | cf9216c0ba1795330e5e37a353317252b04e9ec2 | |
| parent | da4d8c49ae405bf182fd4118f42fb18a45b144d4 (diff) | |
| download | common-f2dd7614bfc4ff3a34d6acd40e0a69aad1b5b845.zip common-f2dd7614bfc4ff3a34d6acd40e0a69aad1b5b845.tar.gz common-f2dd7614bfc4ff3a34d6acd40e0a69aad1b5b845.tar.bz2 | |
tee: add tee load dynamic control
PD#159071: tee load dynamic control using disable_flag
using disable flag to disable tee load
Change-Id: I9c138e3830412ee04dcd82812b1a00cbed1ab940
Signed-off-by: Yvonne Chen <yvonne.chen@amlogic.com>
| -rw-r--r-- | drivers/amlogic/tee/tee.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/amlogic/tee/tee.c b/drivers/amlogic/tee/tee.c index 2773288..afc9c79 100644 --- a/drivers/amlogic/tee/tee.c +++ b/drivers/amlogic/tee/tee.c @@ -29,7 +29,7 @@ #define TEE_MSG_UID_1 0xe7f811e3 #define TEE_MSG_UID_2 0xaf630002 #define TEE_MSG_UID_3 0xa5d5c51b - +static int disable_flag; #define TEE_SMC_FUNCID_CALLS_REVISION 0xFF03 #define TEE_SMC_CALLS_REVISION \ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, ARM_SMCCC_SMC_32, \ @@ -149,7 +149,8 @@ EXPORT_SYMBOL(tee_load_video_fw); bool tee_enabled(void) { struct arm_smccc_res res; - + if (disable_flag == 1) + return false; /*return false;*/ /*disable tee load temporary*/ arm_smccc_smc(TEE_SMC_CALLS_UID, 0, 0, 0, 0, 0, 0, 0, &res); @@ -190,6 +191,8 @@ static void __exit aml_tee_modexit(void) { class_destroy(tee_sys_class); } +module_param(disable_flag, uint, 0664); +MODULE_PARM_DESC(disable_flag, "\n tee firmload disable_flag flag\n"); module_exit(aml_tee_modexit); |