diff options
Diffstat (limited to 'drivers/accel/amdxdna/amdxdna_mailbox.c')
| -rw-r--r-- | drivers/accel/amdxdna/amdxdna_mailbox.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/accel/amdxdna/amdxdna_mailbox.c b/drivers/accel/amdxdna/amdxdna_mailbox.c index da1ac89bb78f..858df97cd3fb 100644 --- a/drivers/accel/amdxdna/amdxdna_mailbox.c +++ b/drivers/accel/amdxdna/amdxdna_mailbox.c @@ -194,7 +194,8 @@ static void mailbox_release_msg(struct mailbox_channel *mb_chann, { MB_DBG(mb_chann, "msg_id 0x%x msg opcode 0x%x", mb_msg->pkg.header.id, mb_msg->pkg.header.opcode); - mb_msg->notify_cb(mb_msg->handle, NULL, 0); + if (mb_msg->notify_cb) + mb_msg->notify_cb(mb_msg->handle, NULL, 0); kfree(mb_msg); } @@ -248,7 +249,7 @@ mailbox_get_resp(struct mailbox_channel *mb_chann, struct xdna_msg_header *heade { struct mailbox_msg *mb_msg; int msg_id; - int ret; + int ret = 0; msg_id = header->id; if (!mailbox_validate_msgid(msg_id)) { @@ -265,9 +266,11 @@ mailbox_get_resp(struct mailbox_channel *mb_chann, struct xdna_msg_header *heade MB_DBG(mb_chann, "opcode 0x%x size %d id 0x%x", header->opcode, header->total_size, header->id); - ret = mb_msg->notify_cb(mb_msg->handle, data, header->total_size); - if (unlikely(ret)) - MB_ERR(mb_chann, "Message callback ret %d", ret); + if (mb_msg->notify_cb) { + ret = mb_msg->notify_cb(mb_msg->handle, data, header->total_size); + if (unlikely(ret)) + MB_ERR(mb_chann, "Message callback ret %d", ret); + } kfree(mb_msg); return ret; @@ -513,6 +516,7 @@ xdna_mailbox_create_channel(struct mailbox *mb, } mb_chann->bad_state = false; + mailbox_reg_write(mb_chann, mb_chann->iohub_int_addr, 0); MB_DBG(mb_chann, "Mailbox channel created (irq: %d)", mb_chann->msix_irq); return mb_chann; |