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Bluetooth: Allow driver specific cmd timeout handling

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Add a hook to allow the BT driver to do device or command specific
handling in case of timeouts. This is to be used by Intel driver to
reset the device after certain number of timeouts.

Signed-off-by: Rajat Jain <rajatja@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Rajat Jain 2019-01-24 15:28:13 -08:00 committed by Marcel Holtmann
parent b4dfbbd180
commit e2bef3847e
2 changed files with 4 additions and 0 deletions
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1
include/net/bluetooth/hci_core.h
View file

@ -437,6 +437,7 @@ struct hci_dev {
int (*post_init)(struct hci_dev *hdev);
int (*set_diag)(struct hci_dev *hdev, bool enable);
int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
void (*cmd_timeout)(struct hci_dev *hdev);
};
#define HCI_PHY_HANDLE(handle) (handle & 0xff)

3
net/bluetooth/hci_core.c
View file

@ -2578,6 +2578,9 @@ static void hci_cmd_timeout(struct work_struct *work)
bt_dev_err(hdev, "command tx timeout");
}
if (hdev->cmd_timeout)
hdev->cmd_timeout(hdev);
atomic_set(&hdev->cmd_cnt, 1);
queue_work(hdev->workqueue, &hdev->cmd_work);
}