diff options
Diffstat (limited to 'drivers/staging/mei/wd.c')
| -rw-r--r-- | drivers/staging/mei/wd.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/staging/mei/wd.c b/drivers/staging/mei/wd.c index cb3f92d221a7..8094941a98f1 100644 --- a/drivers/staging/mei/wd.c +++ b/drivers/staging/mei/wd.c @@ -35,12 +35,16 @@ const u8 mei_wd_state_independence_msg[3][4] = { {0x07, 0x02, 0x01, 0x10} }; +/* + * AMT Watchdog Device + */ +#define INTEL_AMT_WATCHDOG_ID "INTCAMT" + /* UUIDs for AMT F/W clients */ const uuid_le mei_wd_guid = UUID_LE(0x05B79A6F, 0x4628, 0x4D7F, 0x89, 0x9D, 0xA9, 0x15, 0x14, 0xCB, 0x32, 0xAB); - void mei_wd_set_start_timeout(struct mei_device *dev, u16 timeout) { dev_dbg(&dev->pdev->dev, "timeout=%d.\n", timeout); @@ -352,3 +356,25 @@ struct watchdog_device amt_wd_dev = { }; +void mei_watchdog_register(struct mei_device *dev) +{ + dev_dbg(&dev->pdev->dev, "dev->wd_timeout =%d.\n", dev->wd_timeout); + + dev->wd_due_counter = !!dev->wd_timeout; + + if (watchdog_register_device(&amt_wd_dev)) { + dev_err(&dev->pdev->dev, "unable to register watchdog device.\n"); + dev->wd_interface_reg = false; + } else { + dev_dbg(&dev->pdev->dev, "successfully register watchdog interface.\n"); + dev->wd_interface_reg = true; + } +} + +void mei_watchdog_unregister(struct mei_device *dev) +{ + if (dev->wd_interface_reg) + watchdog_unregister_device(&amt_wd_dev); + dev->wd_interface_reg = false; +} + |