diff options
Diffstat (limited to 'security/tf_driver/tf_comm.c')
| -rw-r--r-- | security/tf_driver/tf_comm.c | 70 |
1 files changed, 9 insertions, 61 deletions
diff --git a/security/tf_driver/tf_comm.c b/security/tf_driver/tf_comm.c index 49608fa988b9..1ead98a0160f 100644 --- a/security/tf_driver/tf_comm.c +++ b/security/tf_driver/tf_comm.c @@ -1211,11 +1211,7 @@ static int tf_send_recv(struct tf_comm *comm, union tf_command *command, struct tf_answer_struct *answerStruct, struct tf_connection *connection, - int bKillable - #ifdef CONFIG_TF_ZEBRA - , bool *secure_is_idle - #endif - ) + int bKillable) { int result; u64 timeout; @@ -1229,6 +1225,10 @@ static int tf_send_recv(struct tf_comm *comm, dprintk(KERN_INFO "[pid=%d] tf_send_recv(%p)\n", current->pid, command); +#ifdef CONFIG_TF_ZEBRA + tf_clock_timer_start(); +#endif + #ifdef CONFIG_FREEZER saved_flags = current->flags; current->flags |= PF_FREEZER_NOSIG; @@ -1250,17 +1250,6 @@ copy_answers: #ifdef CONFIG_FREEZER if (unlikely(freezing(current))) { -#ifdef CONFIG_TF_ZEBRA - if (!(*secure_is_idle)) { - if (tf_schedule_secure_world(comm, true) == - STATUS_PENDING) - goto copy_answers; - - tf_l4sec_clkdm_allow_idle(true); - *secure_is_idle = true; - } -#endif - dprintk(KERN_INFO "Entering refrigerator.\n"); refrigerator(); @@ -1366,13 +1355,9 @@ copy_answers: */ #ifdef CONFIG_TF_ZEBRA schedule_secure_world: - if (*secure_is_idle) { - tf_l4sec_clkdm_wakeup(true, false); - *secure_is_idle = false; - } #endif - result = tf_schedule_secure_world(comm, false); + result = tf_schedule_secure_world(comm); if (result < 0) goto exit; goto copy_answers; @@ -1399,18 +1384,6 @@ wait: "prepare to sleep 0x%lx jiffies\n", nRelativeTimeoutJiffies); -#ifdef CONFIG_TF_ZEBRA - if (!(*secure_is_idle)) { - if (tf_schedule_secure_world(comm, true) == STATUS_PENDING) { - finish_wait(&comm->wait_queue, &wait); - wait_prepared = false; - goto copy_answers; - } - tf_l4sec_clkdm_allow_idle(true); - *secure_is_idle = true; - } -#endif - /* go to sleep */ if (schedule_timeout(nRelativeTimeoutJiffies) == 0) dprintk(KERN_INFO @@ -1429,16 +1402,6 @@ exit: wait_prepared = false; } -#ifdef CONFIG_TF_ZEBRA - if ((!(*secure_is_idle)) && (result != -EIO)) { - if (tf_schedule_secure_world(comm, true) == STATUS_PENDING) - goto copy_answers; - - tf_l4sec_clkdm_allow_idle(true); - *secure_is_idle = true; - } -#endif - #ifdef CONFIG_FREEZER current->flags &= ~(PF_FREEZER_NOSIG); current->flags |= (saved_flags & PF_FREEZER_NOSIG); @@ -1469,9 +1432,6 @@ int tf_send_receive(struct tf_comm *comm, cpumask_t saved_cpu_mask; cpumask_t local_cpu_mask = CPU_MASK_NONE; #endif -#ifdef CONFIG_TF_ZEBRA - bool secure_is_idle = true; -#endif answerStructure.answer = answer; answerStructure.answer_copied = false; @@ -1509,11 +1469,7 @@ int tf_send_receive(struct tf_comm *comm, * Send the command */ error = tf_send_recv(comm, - command, &answerStructure, connection, bKillable - #ifdef CONFIG_TF_ZEBRA - , &secure_is_idle - #endif - ); + command, &answerStructure, connection, bKillable); if (!bKillable && sigkill_pending()) { if ((command->header.message_type == @@ -1594,11 +1550,7 @@ int tf_send_receive(struct tf_comm *comm, connection->device_context; error = tf_send_recv(comm, - command, &answerStructure, connection, false - #ifdef CONFIG_TF_ZEBRA - , &secure_is_idle - #endif - ); + command, &answerStructure, connection, false); if (error == -EINTR) { /* * Another thread already sent @@ -1640,11 +1592,7 @@ int tf_send_receive(struct tf_comm *comm, destroy_context: error = tf_send_recv(comm, - command, &answerStructure, connection, false - #ifdef CONFIG_TF_ZEBRA - , &secure_is_idle - #endif - ); + command, &answerStructure, connection, false); /* * tf_send_recv cannot return an error because |