diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/mei/amthif.c | 8 | ||||
| -rw-r--r-- | drivers/misc/mei/client.c | 13 | ||||
| -rw-r--r-- | drivers/misc/mei/hw-me.c | 2 | ||||
| -rw-r--r-- | drivers/misc/mei/main.c | 4 | ||||
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 14 | ||||
| -rw-r--r-- | drivers/misc/mei/wd.c | 9 |
6 files changed, 27 insertions, 23 deletions
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c index a7c483850083..c86d7e3839a4 100644 --- a/drivers/misc/mei/amthif.c +++ b/drivers/misc/mei/amthif.c @@ -297,9 +297,9 @@ static int mei_amthif_send_cmd(struct mei_device *dev, struct mei_cl_cb *cb) if (ret < 0) return ret; - if (ret && dev->mei_host_buffer_is_empty) { + if (ret && dev->hbuf_is_ready) { ret = 0; - dev->mei_host_buffer_is_empty = false; + dev->hbuf_is_ready = false; if (cb->request_buffer.size > mei_hbuf_max_len(dev)) { mei_hdr.length = mei_hbuf_max_len(dev); mei_hdr.msg_complete = 0; @@ -330,7 +330,7 @@ static int mei_amthif_send_cmd(struct mei_device *dev, struct mei_cl_cb *cb) list_add_tail(&cb->list, &dev->write_list.list); } } else { - if (!(dev->mei_host_buffer_is_empty)) + if (!dev->hbuf_is_ready) dev_dbg(&dev->pdev->dev, "host buffer is not empty"); dev_dbg(&dev->pdev->dev, "No flow control credentials, so add iamthif cb to write list.\n"); @@ -583,7 +583,7 @@ int mei_amthif_irq_read(struct mei_device *dev, s32 *slots) dev->iamthif_msg_buf_index = 0; dev->iamthif_msg_buf_size = 0; dev->iamthif_stall_timer = MEI_IAMTHIF_STALL_TIMER; - dev->mei_host_buffer_is_empty = mei_hbuf_is_ready(dev); + dev->hbuf_is_ready = mei_hbuf_is_ready(dev); return 0; } diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index a921001053ba..e46663ee76de 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -393,8 +393,8 @@ int mei_cl_disconnect(struct mei_cl *cl) return -ENOMEM; cb->fop_type = MEI_FOP_CLOSE; - if (dev->mei_host_buffer_is_empty) { - dev->mei_host_buffer_is_empty = false; + if (dev->hbuf_is_ready) { + dev->hbuf_is_ready = false; if (mei_hbm_cl_disconnect_req(dev, cl)) { rets = -ENODEV; dev_err(&dev->pdev->dev, "failed to disconnect.\n"); @@ -496,9 +496,8 @@ int mei_cl_connect(struct mei_cl *cl, struct file *file) cb->fop_type = MEI_FOP_IOCTL; - if (dev->mei_host_buffer_is_empty && - !mei_cl_is_other_connecting(cl)) { - dev->mei_host_buffer_is_empty = false; + if (dev->hbuf_is_ready && !mei_cl_is_other_connecting(cl)) { + dev->hbuf_is_ready = false; if (mei_hbm_cl_connect_req(dev, cl)) { rets = -ENODEV; @@ -661,8 +660,8 @@ int mei_cl_read_start(struct mei_cl *cl) cb->fop_type = MEI_FOP_READ; cl->read_cb = cb; - if (dev->mei_host_buffer_is_empty) { - dev->mei_host_buffer_is_empty = false; + if (dev->hbuf_is_ready) { + dev->hbuf_is_ready = false; if (mei_hbm_cl_flow_control_req(dev, cl)) { rets = -ENODEV; goto err; diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 3bebf8d85ff9..45ea7185c003 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -486,7 +486,7 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) rets = mei_irq_write_handler(dev, &complete_list); end: dev_dbg(&dev->pdev->dev, "end of bottom half function.\n"); - dev->mei_host_buffer_is_empty = mei_hbuf_is_ready(dev); + dev->hbuf_is_ready = mei_hbuf_is_ready(dev); bus_message_received = false; if (dev->recvd_msg && waitqueue_active(&dev->wait_recvd_msg)) { diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 843ae2febc70..903f809b21f7 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -454,14 +454,14 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, if (rets < 0) goto err; - if (rets == 0 || dev->mei_host_buffer_is_empty == false) { + if (rets == 0 || !dev->hbuf_is_ready) { write_cb->buf_idx = 0; mei_hdr.msg_complete = 0; cl->writing_state = MEI_WRITING; goto out; } - dev->mei_host_buffer_is_empty = false; + dev->hbuf_is_ready = false; if (length > mei_hbuf_max_len(dev)) { mei_hdr.length = mei_hbuf_max_len(dev); mei_hdr.msg_complete = 0; diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 7d07cef75664..cb80166161f0 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -265,9 +265,13 @@ struct mei_hw_ops { /** * struct mei_device - MEI private device struct + * @mem_addr - mem mapped base register address - * @hbuf_depth - depth of host(write) buffer - * @wr_ext_msg - buffer for hbm control responses (set in read cycle) + + * @hbuf_depth - depth of hardware host/write buffer is slots + * @hbuf_is_ready - query if the host host/write buffer is ready + * @wr_msg - the buffer for hbm control messages + * @wr_ext_msg - the buffer for hbm control responses (set in read cycle) */ struct mei_device { struct pci_dev *pdev; /* pointer to pci device struct */ @@ -294,7 +298,6 @@ struct mei_device { struct delayed_work timer_work; /* MEI timer delayed work (timeouts) */ bool recvd_msg; - u8 hbuf_depth; /* * waiting queue for receive message from FW */ @@ -311,6 +314,10 @@ struct mei_device { unsigned char rd_msg_buf[MEI_RD_MSG_BUF_SIZE]; /* control messages */ u32 rd_msg_hdr; + /* write buffer */ + u8 hbuf_depth; + bool hbuf_is_ready; + /* used for control messages */ struct { struct mei_msg_hdr hdr; @@ -330,7 +337,6 @@ struct mei_device { u8 me_clients_num; u8 me_client_presentation_num; u8 me_client_index; - bool mei_host_buffer_is_empty; struct mei_cl wd_cl; enum mei_wd_states wd_state; diff --git a/drivers/misc/mei/wd.c b/drivers/misc/mei/wd.c index 77b3820380b0..2413247fc392 100644 --- a/drivers/misc/mei/wd.c +++ b/drivers/misc/mei/wd.c @@ -157,9 +157,9 @@ int mei_wd_stop(struct mei_device *dev) if (ret < 0) goto out; - if (ret && dev->mei_host_buffer_is_empty) { + if (ret && dev->hbuf_is_ready) { ret = 0; - dev->mei_host_buffer_is_empty = false; + dev->hbuf_is_ready = false; if (!mei_wd_send(dev)) { ret = mei_cl_flow_ctrl_reduce(&dev->wd_cl); @@ -282,10 +282,9 @@ static int mei_wd_ops_ping(struct watchdog_device *wd_dev) dev->wd_state = MEI_WD_RUNNING; /* Check if we can send the ping to HW*/ - if (dev->mei_host_buffer_is_empty && - mei_cl_flow_ctrl_creds(&dev->wd_cl) > 0) { + if (dev->hbuf_is_ready && mei_cl_flow_ctrl_creds(&dev->wd_cl) > 0) { - dev->mei_host_buffer_is_empty = false; + dev->hbuf_is_ready = false; dev_dbg(&dev->pdev->dev, "wd: sending ping\n"); if (mei_wd_send(dev)) { |