diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/mei/hbm.c | 200 | ||||
| -rw-r--r-- | drivers/misc/mei/hbm.h | 6 | ||||
| -rw-r--r-- | drivers/misc/mei/hw-me.c | 32 | ||||
| -rw-r--r-- | drivers/misc/mei/init.c | 100 | ||||
| -rw-r--r-- | drivers/misc/mei/interrupt.c | 9 | ||||
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 1 |
6 files changed, 210 insertions, 138 deletions
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c index 9b3a0fb7f265..8109b9a98cc3 100644 --- a/drivers/misc/mei/hbm.c +++ b/drivers/misc/mei/hbm.c @@ -28,9 +28,9 @@ * * @dev: the device structure * - * returns none. + * returns 0 on success -ENOMEM on allocation failure */ -static void mei_hbm_me_cl_allocate(struct mei_device *dev) +static int mei_hbm_me_cl_allocate(struct mei_device *dev) { struct mei_me_client *clients; int b; @@ -44,7 +44,7 @@ static void mei_hbm_me_cl_allocate(struct mei_device *dev) dev->me_clients_num++; if (dev->me_clients_num == 0) - return; + return 0; kfree(dev->me_clients); dev->me_clients = NULL; @@ -56,12 +56,10 @@ static void mei_hbm_me_cl_allocate(struct mei_device *dev) sizeof(struct mei_me_client), GFP_KERNEL); if (!clients) { dev_err(&dev->pdev->dev, "memory allocation for ME clients failed.\n"); - dev->dev_state = MEI_DEV_RESETTING; - mei_reset(dev, 1); - return; + return -ENOMEM; } dev->me_clients = clients; - return; + return 0; } /** @@ -137,7 +135,7 @@ int mei_hbm_start_wait(struct mei_device *dev) mutex_unlock(&dev->device_lock); ret = wait_event_interruptible_timeout(dev->wait_recvd_msg, dev->hbm_state == MEI_HBM_IDLE || - dev->hbm_state > MEI_HBM_START, + dev->hbm_state >= MEI_HBM_STARTED, mei_secs_to_jiffies(MEI_INTEROP_TIMEOUT)); mutex_lock(&dev->device_lock); @@ -153,12 +151,15 @@ int mei_hbm_start_wait(struct mei_device *dev) * mei_hbm_start_req - sends start request message. * * @dev: the device structure + * + * returns 0 on success and < 0 on failure */ int mei_hbm_start_req(struct mei_device *dev) { struct mei_msg_hdr *mei_hdr = &dev->wr_msg.hdr; struct hbm_host_version_request *start_req; const size_t len = sizeof(struct hbm_host_version_request); + int ret; mei_hbm_hdr(mei_hdr, len); @@ -170,12 +171,13 @@ int mei_hbm_start_req(struct mei_device *dev) start_req->host_version.minor_version = HBM_MINOR_VERSION; dev->hbm_state = MEI_HBM_IDLE; - if (mei_write_message(dev, mei_hdr, dev->wr_msg.data)) { - dev_err(&dev->pdev->dev, "version message write failed\n"); - dev->dev_state = MEI_DEV_RESETTING; - mei_reset(dev, 1); - return -EIO; + ret = mei_write_message(dev, mei_hdr, dev->wr_msg.data); + if (ret) { + dev_err(&dev->pdev->dev, "version message write failed: ret = %d\n", + ret); + return ret; } + dev->hbm_state = MEI_HBM_START; dev->init_clients_timer = MEI_CLIENTS_INIT_TIMEOUT; return 0; @@ -186,13 +188,15 @@ int mei_hbm_start_req(struct mei_device *dev) * * @dev: the device structure * - * returns none. + * returns 0 on success and < 0 on failure */ -static void mei_hbm_enum_clients_req(struct mei_device *dev) +static int mei_hbm_enum_clients_req(struct mei_device *dev) { struct mei_msg_hdr *mei_hdr = &dev->wr_msg.hdr; struct hbm_host_enum_request *enum_req; const size_t len = sizeof(struct hbm_host_enum_request); + int ret; + /* enumerate clients */ mei_hbm_hdr(mei_hdr, len); @@ -200,14 +204,15 @@ static void mei_hbm_enum_clients_req(struct mei_device *dev) memset(enum_req, 0, len); enum_req->hbm_cmd = HOST_ENUM_REQ_CMD; - if (mei_write_message(dev, mei_hdr, dev->wr_msg.data)) { - dev->dev_state = MEI_DEV_RESETTING; - dev_err(&dev->pdev->dev, "enumeration request write failed.\n"); - mei_reset(dev, 1); + ret = mei_write_message(dev, mei_hdr, dev->wr_msg.data); + if (ret) { + dev_err(&dev->pdev->dev, "enumeration request write failed: ret = %d.\n", + ret); + return ret; } dev->hbm_state = MEI_HBM_ENUM_CLIENTS; dev->init_clients_timer = MEI_CLIENTS_INIT_TIMEOUT; - return; + return 0; } /** @@ -215,7 +220,7 @@ static void mei_hbm_enum_clients_req(struct mei_device *dev) * * @dev: the device structure * - * returns none. + * returns 0 on success and < 0 on failure */ static int mei_hbm_prop_req(struct mei_device *dev) @@ -226,7 +231,7 @@ static int mei_hbm_prop_req(struct mei_device *dev) const size_t len = sizeof(struct hbm_props_request); unsigned long next_client_index; unsigned long client_num; - + int ret; client_num = dev->me_client_presentation_num; @@ -253,12 +258,11 @@ static int mei_hbm_prop_req(struct mei_device *dev) prop_req->hbm_cmd = HOST_CLIENT_PROPERTIES_REQ_CMD; prop_req->address = next_client_index; - if (mei_write_message(dev, mei_hdr, dev->wr_msg.data)) { - dev->dev_state = MEI_DEV_RESETTING; - dev_err(&dev->pdev->dev, "properties request write failed\n"); - mei_reset(dev, 1); - - return -EIO; + ret = mei_write_message(dev, mei_hdr, dev->wr_msg.data); + if (ret) { + dev_err(&dev->pdev->dev, "properties request write failed: ret = %d\n", + ret); + return ret; } dev->init_clients_timer = MEI_CLIENTS_INIT_TIMEOUT; @@ -559,8 +563,10 @@ bool mei_hbm_version_is_supported(struct mei_device *dev) * * @dev: the device structure * @mei_hdr: header of bus message + * + * returns 0 on success and < 0 on failure */ -void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) +int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) { struct mei_bus_message *mei_msg; struct mei_me_client *me_client; @@ -579,6 +585,10 @@ void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) switch (mei_msg->hbm_cmd) { case HOST_START_RES_CMD: + dev_dbg(&dev->pdev->dev, "hbm: start: response message received.\n"); + + dev->init_clients_timer = 0; + version_res = (struct hbm_host_version_response *)mei_msg; dev_dbg(&dev->pdev->dev, "HBM VERSION: DRIVER=%02d:%02d DEVICE=%02d:%02d\n", @@ -597,73 +607,89 @@ void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) } if (!mei_hbm_version_is_supported(dev)) { - dev_warn(&dev->pdev->dev, "hbm version mismatch: stopping the driver.\n"); + dev_warn(&dev->pdev->dev, "hbm: start: version mismatch - stopping the driver.\n"); - dev->hbm_state = MEI_HBM_STOP; + dev->hbm_state = MEI_HBM_STOPPED; mei_hbm_stop_req_prepare(dev, &dev->wr_msg.hdr, dev->wr_msg.data); - mei_write_message(dev, &dev->wr_msg.hdr, - dev->wr_msg.data); + if (mei_write_message(dev, &dev->wr_msg.hdr, + dev->wr_msg.data)) { + dev_err(&dev->pdev->dev, "hbm: start: failed to send stop request\n"); + return -EIO; + } + break; + } - return; + if (dev->dev_state != MEI_DEV_INIT_CLIENTS || + dev->hbm_state != MEI_HBM_START) { + dev_err(&dev->pdev->dev, "hbm: start: state mismatch, [%d, %d]\n", + dev->dev_state, dev->hbm_state); + return -EPROTO; } - if (dev->dev_state == MEI_DEV_INIT_CLIENTS && - dev->hbm_state == MEI_HBM_START) { - dev->init_clients_timer = 0; - mei_hbm_enum_clients_req(dev); - } else { - dev_err(&dev->pdev->dev, "reset: wrong host start response\n"); - mei_reset(dev, 1); - return; + dev->hbm_state = MEI_HBM_STARTED; + + if (mei_hbm_enum_clients_req(dev)) { + dev_err(&dev->pdev->dev, "hbm: start: failed to send enumeration request\n"); + return -EIO; } wake_up_interruptible(&dev->wait_recvd_msg); - dev_dbg(&dev->pdev->dev, "host start response message received.\n"); break; case CLIENT_CONNECT_RES_CMD: + dev_dbg(&dev->pdev->dev, "hbm: client connect response: message received.\n"); + connect_res = (struct hbm_client_connect_response *) mei_msg; mei_hbm_cl_connect_res(dev, connect_res); - dev_dbg(&dev->pdev->dev, "client connect response message received.\n"); wake_up(&dev->wait_recvd_msg); break; case CLIENT_DISCONNECT_RES_CMD: + dev_dbg(&dev->pdev->dev, "hbm: client disconnect response: message received.\n"); + disconnect_res = (struct hbm_client_connect_response *) mei_msg; mei_hbm_cl_disconnect_res(dev, disconnect_res); - dev_dbg(&dev->pdev->dev, "client disconnect response message received.\n"); wake_up(&dev->wait_recvd_msg); break; case MEI_FLOW_CONTROL_CMD: + dev_dbg(&dev->pdev->dev, "hbm: client flow control response: message received.\n"); + flow_control = (struct hbm_flow_control *) mei_msg; mei_hbm_cl_flow_control_res(dev, flow_control); - dev_dbg(&dev->pdev->dev, "client flow control response message received.\n"); break; case HOST_CLIENT_PROPERTIES_RES_CMD: + dev_dbg(&dev->pdev->dev, "hbm: properties response: message received.\n"); + + dev->init_clients_timer = 0; + + if (dev->me_clients == NULL) { + dev_err(&dev->pdev->dev, "hbm: properties response: mei_clients not allocated\n"); + return -EPROTO; + } + props_res = (struct hbm_props_response *)mei_msg; me_client = &dev->me_clients[dev->me_client_presentation_num]; - if (props_res->status || !dev->me_clients) { - dev_err(&dev->pdev->dev, "reset: properties response hbm wrong status.\n"); - mei_reset(dev, 1); - return; + if (props_res->status) { + dev_err(&dev->pdev->dev, "hbm: properties response: wrong status = %d\n", + props_res->status); + return -EPROTO; } if (me_client->client_id != props_res->address) { - dev_err(&dev->pdev->dev, "reset: host properties response address mismatch\n"); - mei_reset(dev, 1); - return; + dev_err(&dev->pdev->dev, "hbm: properties response: address mismatch %d ?= %d\n", + me_client->client_id, props_res->address); + return -EPROTO; } if (dev->dev_state != MEI_DEV_INIT_CLIENTS || dev->hbm_state != MEI_HBM_CLIENT_PROPERTIES) { - dev_err(&dev->pdev->dev, "reset: unexpected properties response\n"); - mei_reset(dev, 1); - - return; + dev_err(&dev->pdev->dev, "hbm: properties response: state mismatch, [%d, %d]\n", + dev->dev_state, dev->hbm_state); + return -EPROTO; } me_client->props = props_res->client_properties; @@ -671,49 +697,70 @@ void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) dev->me_client_presentation_num++; /* request property for the next client */ - mei_hbm_prop_req(dev); + if (mei_hbm_prop_req(dev)) + return -EIO; break; case HOST_ENUM_RES_CMD: + dev_dbg(&dev->pdev->dev, "hbm: enumeration response: message received\n"); + + dev->init_clients_timer = 0; + enum_res = (struct hbm_host_enum_response *) mei_msg; BUILD_BUG_ON(sizeof(dev->me_clients_map) < sizeof(enum_res->valid_addresses)); memcpy(dev->me_clients_map, enum_res->valid_addresses, sizeof(enum_res->valid_addresses)); - if (dev->dev_state == MEI_DEV_INIT_CLIENTS && - dev->hbm_state == MEI_HBM_ENUM_CLIENTS) { - dev->init_clients_timer = 0; - mei_hbm_me_cl_allocate(dev); - dev->hbm_state = MEI_HBM_CLIENT_PROPERTIES; - - /* first property reqeust */ - mei_hbm_prop_req(dev); - } else { - dev_err(&dev->pdev->dev, "reset: unexpected enumeration response hbm.\n"); - mei_reset(dev, 1); - return; + + if (dev->dev_state != MEI_DEV_INIT_CLIENTS || + dev->hbm_state != MEI_HBM_ENUM_CLIENTS) { + dev_err(&dev->pdev->dev, "hbm: enumeration response: state mismatch, [%d, %d]\n", + dev->dev_state, dev->hbm_state); + return -EPROTO; } + + if (mei_hbm_me_cl_allocate(dev)) { + dev_err(&dev->pdev->dev, "hbm: enumeration response: cannot allocate clients array\n"); + return -ENOMEM; + } + + dev->hbm_state = MEI_HBM_CLIENT_PROPERTIES; + + /* first property request */ + if (mei_hbm_prop_req(dev)) + return -EIO; + break; case HOST_STOP_RES_CMD: + dev_dbg(&dev->pdev->dev, "hbm: stop response: message received\n"); + + dev->init_clients_timer = 0; + + if (dev->hbm_state != MEI_HBM_STOPPED) { + dev_err(&dev->pdev->dev, "hbm: stop response: state mismatch, [%d, %d]\n", + dev->dev_state, dev->hbm_state); + return -EPROTO; + } - if (dev->hbm_state != MEI_HBM_STOP) - dev_err(&dev->pdev->dev, "unexpected stop response hbm.\n"); dev->dev_state = MEI_DEV_DISABLED; - dev_info(&dev->pdev->dev, "reset: FW stop response.\n"); - mei_reset(dev, 1); + dev_info(&dev->pdev->dev, "hbm: stop response: resetting.\n"); + /* force the reset */ + return -EPROTO; break; case CLIENT_DISCONNECT_REQ_CMD: - /* search for client */ + dev_dbg(&dev->pdev->dev, "hbm: disconnect request: message received\n"); + disconnect_req = (struct hbm_client_connect_request *)mei_msg; mei_hbm_fw_disconnect_req(dev, disconnect_req); break; case ME_STOP_REQ_CMD: + dev_dbg(&dev->pdev->dev, "hbm: stop request: message received\n"); - dev->hbm_state = MEI_HBM_STOP; + dev->hbm_state = MEI_HBM_STOPPED; mei_hbm_stop_req_prepare(dev, &dev->wr_ext_msg.hdr, dev->wr_ext_msg.data); break; @@ -722,5 +769,6 @@ void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) break; } + return 0; } diff --git a/drivers/misc/mei/hbm.h b/drivers/misc/mei/hbm.h index 4ae2e56e404f..f2540fff7080 100644 --- a/drivers/misc/mei/hbm.h +++ b/drivers/misc/mei/hbm.h @@ -32,13 +32,13 @@ struct mei_cl; enum mei_hbm_state { MEI_HBM_IDLE = 0, MEI_HBM_START, + MEI_HBM_STARTED, MEI_HBM_ENUM_CLIENTS, MEI_HBM_CLIENT_PROPERTIES, - MEI_HBM_STARTED, - MEI_HBM_STOP, + MEI_HBM_STOPPED, }; -void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr); +int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr); static inline void mei_hbm_hdr(struct mei_msg_hdr *hdr, size_t length) { diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 3412adcdaeb0..6c07623704c2 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -469,7 +469,7 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) struct mei_device *dev = (struct mei_device *) dev_id; struct mei_cl_cb complete_list; s32 slots; - int rets; + int rets = 0; dev_dbg(&dev->pdev->dev, "function called after ISR to handle the interrupt processing.\n"); /* initialize our complete list */ @@ -487,10 +487,9 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) dev->dev_state != MEI_DEV_INITIALIZING && dev->dev_state != MEI_DEV_POWER_DOWN && dev->dev_state != MEI_DEV_POWER_UP) { - dev_dbg(&dev->pdev->dev, "FW not ready.\n"); - mei_reset(dev, 1); - mutex_unlock(&dev->device_lock); - return IRQ_HANDLED; + dev_warn(&dev->pdev->dev, "FW not ready: resetting.\n"); + schedule_work(&dev->reset_work); + goto end; } /* check if we need to start the dev */ @@ -500,15 +499,12 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) dev->recvd_hw_ready = true; wake_up_interruptible(&dev->wait_hw_ready); - - mutex_unlock(&dev->device_lock); - return IRQ_HANDLED; } else { + dev_dbg(&dev->pdev->dev, "Reset Completed.\n"); mei_me_hw_reset_release(dev); - mutex_unlock(&dev->device_lock); - return IRQ_HANDLED; } + goto end; } /* check slots available for reading */ slots = mei_count_full_read_slots(dev); @@ -516,21 +512,23 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) /* we have urgent data to send so break the read */ if (dev->wr_ext_msg.hdr.length) break; - dev_dbg(&dev->pdev->dev, "slots =%08x\n", slots); - dev_dbg(&dev->pdev->dev, "call mei_irq_read_handler.\n"); + dev_dbg(&dev->pdev->dev, "slots to read = %08x\n", slots); rets = mei_irq_read_handler(dev, &complete_list, &slots); - if (rets) + if (rets) { + schedule_work(&dev->reset_work); goto end; + } } + rets = mei_irq_write_handler(dev, &complete_list); -end: - dev_dbg(&dev->pdev->dev, "end of bottom half function.\n"); - dev->hbuf_is_ready = mei_hbuf_is_ready(dev); - mutex_unlock(&dev->device_lock); + dev->hbuf_is_ready = mei_hbuf_is_ready(dev); mei_irq_compl_handler(dev, &complete_list); +end: + dev_dbg(&dev->pdev->dev, "interrupt thread end ret = %d\n", rets); + mutex_unlock(&dev->device_lock); return IRQ_HANDLED; } static const struct mei_hw_ops mei_me_hw_ops = { diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index 83c879bf9967..87c077bae5d8 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -43,42 +43,6 @@ const char *mei_dev_state_str(int state) #undef MEI_DEV_STATE } -void mei_device_init(struct mei_device *dev) -{ - /* setup our list array */ - INIT_LIST_HEAD(&dev->file_list); - INIT_LIST_HEAD(&dev->device_list); - mutex_init(&dev->device_lock); - init_waitqueue_head(&dev->wait_hw_ready); - init_waitqueue_head(&dev->wait_recvd_msg); - init_waitqueue_head(&dev->wait_stop_wd); - dev->dev_state = MEI_DEV_INITIALIZING; - - mei_io_list_init(&dev->read_list); - mei_io_list_init(&dev->write_list); - mei_io_list_init(&dev->write_waiting_list); - mei_io_list_init(&dev->ctrl_wr_list); - mei_io_list_init(&dev->ctrl_rd_list); - - INIT_DELAYED_WORK(&dev->timer_work, mei_timer); - INIT_WORK(&dev->init_work, mei_host_client_init); - - INIT_LIST_HEAD(&dev->wd_cl.link); - INIT_LIST_HEAD(&dev->iamthif_cl.link); - mei_io_list_init(&dev->amthif_cmd_list); - mei_io_list_init(&dev->amthif_rd_complete_list); - - bitmap_zero(dev->host_clients_map, MEI_CLIENTS_MAX); - dev->open_handle_count = 0; - - /* - * Reserving the first client ID - * 0: Reserved for MEI Bus Message communications - */ - bitmap_set(dev->host_clients_map, 0, 1); -} -EXPORT_SYMBOL_GPL(mei_device_init); - /** * mei_start - initializes host and fw to start work. * @@ -131,10 +95,15 @@ err: } EXPORT_SYMBOL_GPL(mei_start); - +/** + * mei_cancel_work. Cancel mei background jobs + * + * @dev: the device structure + */ void mei_cancel_work(struct mei_device *dev) { cancel_work_sync(&dev->init_work); + cancel_work_sync(&dev->reset_work); cancel_delayed_work(&dev->timer_work); } @@ -215,11 +184,27 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled) dev->dev_state = MEI_DEV_INIT_CLIENTS; - mei_hbm_start_req(dev); - + ret = mei_hbm_start_req(dev); + if (ret) { + dev_err(&dev->pdev->dev, "hbm_start failed disabling the device\n"); + dev->dev_state = MEI_DEV_DISABLED; + return; + } } EXPORT_SYMBOL_GPL(mei_reset); +static void mei_reset_work(struct work_struct *work) +{ + struct mei_device *dev = + container_of(work, struct mei_device, reset_work); + + mutex_lock(&dev->device_lock); + + mei_reset(dev, true); + + mutex_unlock(&dev->device_lock); +} + void mei_stop(struct mei_device *dev) { dev_dbg(&dev->pdev->dev, "stopping the device.\n"); @@ -243,3 +228,40 @@ EXPORT_SYMBOL_GPL(mei_stop); +void mei_device_init(struct mei_device *dev) +{ + /* setup our list array */ + INIT_LIST_HEAD(&dev->file_list); + INIT_LIST_HEAD(&dev->device_list); + mutex_init(&dev->device_lock); + init_waitqueue_head(&dev->wait_hw_ready); + init_waitqueue_head(&dev->wait_recvd_msg); + init_waitqueue_head(&dev->wait_stop_wd); + dev->dev_state = MEI_DEV_INITIALIZING; + + mei_io_list_init(&dev->read_list); + mei_io_list_init(&dev->write_list); + mei_io_list_init(&dev->write_waiting_list); + mei_io_list_init(&dev->ctrl_wr_list); + mei_io_list_init(&dev->ctrl_rd_list); + + INIT_DELAYED_WORK(&dev->timer_work, mei_timer); + INIT_WORK(&dev->init_work, mei_host_client_init); + INIT_WORK(&dev->reset_work, mei_reset_work); + + INIT_LIST_HEAD(&dev->wd_cl.link); + INIT_LIST_HEAD(&dev->iamthif_cl.link); + mei_io_list_init(&dev->amthif_cmd_list); + mei_io_list_init(&dev->amthif_rd_complete_list); + + bitmap_zero(dev->host_clients_map, MEI_CLIENTS_MAX); + dev->open_handle_count = 0; + + /* + * Reserving the first client ID + * 0: Reserved for MEI Bus Message communications + */ + bitmap_set(dev->host_clients_map, 0, 1); +} +EXPORT_SYMBOL_GPL(mei_device_init); + diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index 9c8225b945c3..bbb61bec863b 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -329,9 +329,12 @@ int mei_irq_read_handler(struct mei_device *dev, /* HBM message */ if (mei_hdr->host_addr == 0 && mei_hdr->me_addr == 0) { - mei_hbm_dispatch(dev, mei_hdr); - ret = 0; - dev_dbg(&dev->pdev->dev, "mei_hbm_dispatch.\n"); + ret = mei_hbm_dispatch(dev, mei_hdr); + if (ret) { + dev_dbg(&dev->pdev->dev, "mei_hbm_dispatch failed ret = %d\n", + ret); + goto end; + } goto reset_slots; } diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index d92ca0c93f7f..3f242e15f8f1 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -428,6 +428,7 @@ struct mei_device { bool iamthif_canceled; struct work_struct init_work; + struct work_struct reset_work; /* List of bus devices */ struct list_head device_list; |