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authorMarcel Holtmann <marcel@holtmann.org>2016-07-17 19:55:16 +0200
committerJohan Hedberg <johan.hedberg@intel.com>2016-07-18 09:33:28 +0300
commit5177a83827cd0b8cf6ce0391b00dd4417352d2f1 (patch)
tree94051d92a967961a962188b74445fdb986faadd6 /net/bluetooth/hci_core.c
parentBluetooth: Move hci_recv_frame and hci_recv_diag prototypes (diff)
downloadlinux-dev-5177a83827cd0b8cf6ce0391b00dd4417352d2f1.tar.xz
linux-dev-5177a83827cd0b8cf6ce0391b00dd4417352d2f1.zip
Bluetooth: Add debugfs fields for hardware and firmware info
Some Bluetooth controllers allow for reading hardware and firmware related vendor specific infos. If they are available, then they can be exposed via debugfs now. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth/hci_core.c')
-rw-r--r--net/bluetooth/hci_core.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 98f6c3770736..ddf8432fe8fb 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3163,6 +3163,8 @@ void hci_unregister_dev(struct hci_dev *hdev)
device_del(&hdev->dev);
debugfs_remove_recursive(hdev->debugfs);
+ kfree_const(hdev->hw_info);
+ kfree_const(hdev->fw_info);
destroy_workqueue(hdev->workqueue);
destroy_workqueue(hdev->req_workqueue);
@@ -3266,6 +3268,28 @@ int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb)
}
EXPORT_SYMBOL(hci_recv_diag);
+void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...)
+{
+ va_list vargs;
+
+ va_start(vargs, fmt);
+ kfree_const(hdev->hw_info);
+ hdev->hw_info = kvasprintf_const(GFP_KERNEL, fmt, vargs);
+ va_end(vargs);
+}
+EXPORT_SYMBOL(hci_set_hw_info);
+
+void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...)
+{
+ va_list vargs;
+
+ va_start(vargs, fmt);
+ kfree_const(hdev->fw_info);
+ hdev->fw_info = kvasprintf_const(GFP_KERNEL, fmt, vargs);
+ va_end(vargs);
+}
+EXPORT_SYMBOL(hci_set_fw_info);
+
/* ---- Interface to upper protocols ---- */
int hci_register_cb(struct hci_cb *cb)