diff options
| author | Zhen Kong <zkong@codeaurora.org> | 2017-02-14 11:10:09 -0800 |
|---|---|---|
| committer | Zhen Kong <zkong@codeaurora.org> | 2017-02-14 15:32:19 -0800 |
| commit | 3f3f20e3479ba3dc5e596cdfc996619035a9646f (patch) | |
| tree | 3b65c64272a71c3b5a041d9daecdeeed0cfe6ecf /drivers/misc | |
| parent | 15632ada36671d7b06c6767e0ca0e2f9fb87420b (diff) | |
qseecom: add new SCM ID to register listener when smcinvoke is supported
Add new SCM ID to register listener when smcinvoke is supported. Then
TZ, depending on how the listener has been registered, will either
behave in the old way (i.e. rsp[1]=QSEE_LISTENER_ID), or the new way
(rsp[1]=app_id) when smcinvoke is supported. And qseecom will first
to register listener with new SCM ID, if failed, then fallback to
use old ID.
Change-Id: Ia27055db6ec8f26705669ee913919b29461121ca
Signed-off-by: Zhen Kong <zkong@codeaurora.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/qseecom.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/misc/qseecom.c b/drivers/misc/qseecom.c index 1653f7e1ae99..aa6b64b860de 100644 --- a/drivers/misc/qseecom.c +++ b/drivers/misc/qseecom.c @@ -562,7 +562,6 @@ static int qseecom_scm_call2(uint32_t svc_id, uint32_t tz_cmd_id, case QSEOS_REGISTER_LISTENER: { struct qseecom_register_listener_ireq *req; struct qseecom_register_listener_64bit_ireq *req_64bit; - smc_id = TZ_OS_REGISTER_LISTENER_ID; desc.arginfo = TZ_OS_REGISTER_LISTENER_ID_PARAM_ID; if (qseecom.qsee_version < QSEE_VERSION_40) { @@ -579,8 +578,15 @@ static int qseecom_scm_call2(uint32_t svc_id, uint32_t tz_cmd_id, desc.args[1] = req_64bit->sb_ptr; desc.args[2] = req_64bit->sb_len; } + smc_id = TZ_OS_REGISTER_LISTENER_SMCINVOKE_ID; __qseecom_reentrancy_check_if_no_app_blocked(smc_id); ret = scm_call2(smc_id, &desc); + if (ret) { + smc_id = TZ_OS_REGISTER_LISTENER_ID; + __qseecom_reentrancy_check_if_no_app_blocked( + smc_id); + ret = scm_call2(smc_id, &desc); + } break; } case QSEOS_DEREGISTER_LISTENER: { |