diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/mei/interface.h | 8 | ||||
| -rw-r--r-- | drivers/misc/mei/interrupt.c | 4 | ||||
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 13 | ||||
| -rw-r--r-- | drivers/misc/mei/wd.c | 24 |
4 files changed, 23 insertions, 26 deletions
diff --git a/drivers/misc/mei/interface.h b/drivers/misc/mei/interface.h index fb5c7db4723..c1988f564aa 100644 --- a/drivers/misc/mei/interface.h +++ b/drivers/misc/mei/interface.h @@ -23,14 +23,6 @@ #include "mei_dev.h" -#define AMT_WD_DEFAULT_TIMEOUT 120 /* seconds */ -#define AMT_WD_MIN_TIMEOUT 120 /* seconds */ -#define AMT_WD_MAX_TIMEOUT 65535 /* seconds */ - -#define MEI_WATCHDOG_DATA_SIZE 16 -#define MEI_START_WD_DATA_SIZE 20 -#define MEI_WD_PARAMS_SIZE 4 - void mei_read_slots(struct mei_device *dev, unsigned char *buffer, diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index 7d9a91298ec..0f25cee6ab8 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -1251,9 +1251,9 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list, dev->wd_pending = false; if (dev->wd_timeout) - *slots -= mei_data2slots(MEI_START_WD_DATA_SIZE); + *slots -= mei_data2slots(MEI_WD_START_MSG_SIZE); else - *slots -= mei_data2slots(MEI_WD_PARAMS_SIZE); + *slots -= mei_data2slots(MEI_WD_STOP_MSG_SIZE); } } if (dev->stop) diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 35d0538a597..64a4f17893e 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -25,9 +25,14 @@ /* * watch dog definition */ -#define MEI_WATCHDOG_DATA_SIZE 16 -#define MEI_START_WD_DATA_SIZE 20 -#define MEI_WD_PARAMS_SIZE 4 +#define MEI_WD_HDR_SIZE 4 +#define MEI_WD_STOP_MSG_SIZE MEI_WD_HDR_SIZE +#define MEI_WD_START_MSG_SIZE (MEI_WD_HDR_SIZE + 16) + +#define MEI_WD_DEFAULT_TIMEOUT 120 /* seconds */ +#define MEI_WD_MIN_TIMEOUT 120 /* seconds */ +#define MEI_WD_MAX_TIMEOUT 65535 /* seconds */ + #define MEI_WD_STATE_INDEPENDENCE_MSG_SENT (1 << 0) #define MEI_RD_MSG_BUF_SIZE (128 * sizeof(u32)) @@ -248,7 +253,7 @@ struct mei_device { bool wd_stopped; bool wd_bypass; /* if false, don't refresh watchdog ME client */ u16 wd_timeout; /* seconds ((wd_data[1] << 8) + wd_data[0]) */ - unsigned char wd_data[MEI_START_WD_DATA_SIZE]; + unsigned char wd_data[MEI_WD_START_MSG_SIZE]; struct file *iamthif_file_object; diff --git a/drivers/misc/mei/wd.c b/drivers/misc/mei/wd.c index 94f2c0a12d9..755a58305a7 100644 --- a/drivers/misc/mei/wd.c +++ b/drivers/misc/mei/wd.c @@ -48,8 +48,8 @@ const uuid_le mei_wd_guid = UUID_LE(0x05B79A6F, 0x4628, 0x4D7F, 0x89, static void mei_wd_set_start_timeout(struct mei_device *dev, u16 timeout) { dev_dbg(&dev->pdev->dev, "wd: set timeout=%d.\n", timeout); - memcpy(dev->wd_data, mei_start_wd_params, MEI_WD_PARAMS_SIZE); - memcpy(dev->wd_data + MEI_WD_PARAMS_SIZE, &timeout, sizeof(u16)); + memcpy(dev->wd_data, mei_start_wd_params, MEI_WD_HDR_SIZE); + memcpy(dev->wd_data + MEI_WD_HDR_SIZE, &timeout, sizeof(u16)); } /** @@ -66,7 +66,7 @@ int mei_wd_host_init(struct mei_device *dev) /* look for WD client and connect to it */ dev->wd_cl.state = MEI_FILE_DISCONNECTED; - dev->wd_timeout = AMT_WD_DEFAULT_TIMEOUT; + dev->wd_timeout = MEI_WD_DEFAULT_TIMEOUT; /* find ME WD client */ mei_me_cl_update_filext(dev, &dev->wd_cl, @@ -108,10 +108,10 @@ int mei_wd_send(struct mei_device *dev) mei_hdr->msg_complete = 1; mei_hdr->reserved = 0; - if (!memcmp(dev->wd_data, mei_start_wd_params, MEI_WD_PARAMS_SIZE)) - mei_hdr->length = MEI_START_WD_DATA_SIZE; - else if (!memcmp(dev->wd_data, mei_stop_wd_params, MEI_WD_PARAMS_SIZE)) - mei_hdr->length = MEI_WD_PARAMS_SIZE; + if (!memcmp(dev->wd_data, mei_start_wd_params, MEI_WD_HDR_SIZE)) + mei_hdr->length = MEI_WD_START_MSG_SIZE; + else if (!memcmp(dev->wd_data, mei_stop_wd_params, MEI_WD_HDR_SIZE)) + mei_hdr->length = MEI_WD_STOP_MSG_SIZE; else return -EINVAL; @@ -138,7 +138,7 @@ int mei_wd_stop(struct mei_device *dev, bool preserve) return 0; dev->wd_timeout = 0; - memcpy(dev->wd_data, mei_stop_wd_params, MEI_WD_PARAMS_SIZE); + memcpy(dev->wd_data, mei_stop_wd_params, MEI_WD_STOP_MSG_SIZE); dev->stop = true; ret = mei_flow_ctrl_creds(dev, &dev->wd_cl); @@ -315,7 +315,7 @@ static int mei_wd_ops_set_timeout(struct watchdog_device *wd_dev, unsigned int t return -ENODEV; /* Check Timeout value */ - if (timeout < AMT_WD_MIN_TIMEOUT || timeout > AMT_WD_MAX_TIMEOUT) + if (timeout < MEI_WD_MIN_TIMEOUT || timeout > MEI_WD_MAX_TIMEOUT) return -EINVAL; mutex_lock(&dev->device_lock); @@ -349,9 +349,9 @@ static const struct watchdog_info wd_info = { static struct watchdog_device amt_wd_dev = { .info = &wd_info, .ops = &wd_ops, - .timeout = AMT_WD_DEFAULT_TIMEOUT, - .min_timeout = AMT_WD_MIN_TIMEOUT, - .max_timeout = AMT_WD_MAX_TIMEOUT, + .timeout = MEI_WD_DEFAULT_TIMEOUT, + .min_timeout = MEI_WD_MIN_TIMEOUT, + .max_timeout = MEI_WD_MAX_TIMEOUT, }; |