提交 c7d3df35 编写于 作者: T Tomas Winkler 提交者: Greg Kroah-Hartman

mei: use internal watchdog device registration tracking

remove bool wd_interface_reg as watchdog device already
keeps track of its registration
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 15ea1910
......@@ -111,8 +111,6 @@ struct mei_device *mei_device_init(struct pci_dev *pdev)
init_waitqueue_head(&dev->wait_stop_wd);
dev->dev_state = MEI_DEV_INITIALIZING;
dev->iamthif_state = MEI_IAMTHIF_IDLE;
dev->wd_interface_reg = false;
mei_io_list_init(&dev->read_list);
mei_io_list_init(&dev->write_list);
......
......@@ -249,7 +249,6 @@ struct mei_device {
struct mei_cl wd_cl;
enum mei_wd_states wd_state;
bool wd_interface_reg;
bool wd_pending;
u16 wd_timeout;
unsigned char wd_data[MEI_WD_START_MSG_SIZE];
......
......@@ -360,23 +360,20 @@ void mei_watchdog_register(struct mei_device *dev)
if (watchdog_register_device(&amt_wd_dev)) {
dev_err(&dev->pdev->dev,
"wd: unable to register watchdog device.\n");
dev->wd_interface_reg = false;
return;
}
dev_dbg(&dev->pdev->dev,
"wd: successfully register watchdog interface.\n");
dev->wd_interface_reg = true;
watchdog_set_drvdata(&amt_wd_dev, dev);
}
void mei_watchdog_unregister(struct mei_device *dev)
{
if (!dev->wd_interface_reg)
if (test_bit(WDOG_UNREGISTERED, &amt_wd_dev.status))
return;
watchdog_set_drvdata(&amt_wd_dev, NULL);
watchdog_unregister_device(&amt_wd_dev);
dev->wd_interface_reg = false;
}
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