Hi Michael,
> I noticed the thread "3.10-rc: bluetooth disappeared on thinkpad x60 (regression)"
> on lkml, but unfortunately the resulting patch does not fix the regression
> for me.
> I'm running 3.10.10, so the fix from the thread is applied to my kernel.
>
> I see similar issues when trying to bring up my Bluetooth dongle:
>
> $ lsusb | grep Blue
> Bus 004 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
>
> This is a Broadcom chip based device.
that device is CSR based and not Broadcom based. Check with hciconfig hci0 version to see what it really is.
>
> $ hciconfig hci0 up
> Can't init device hci0: Operation not supported (95)
>
> hcidump hci0 -X shows:
>
> < HCI Command: Delete Stored Link Key (0x03|0x0012) plen 7
> bdaddr 00:00:00:00:00:00 all 1
>> HCI Event: Command Complete (0x0e) plen 4
> Delete Stored Link Key (0x03|0x0012) ncmd 1
> status 0x11 deleted 0
> Error: Unsupported Feature or Parameter Value
> device: disconnected
And hciconfig hci0 commands tells you that this command is actually supported.
> The following workaround fixes the problem for me:
>
> Index: linux/net/bluetooth/hci_core.c
> ===================================================================
> --- linux.orig/net/bluetooth/hci_core.c 2013-07-21 17:34:22.749435335 +0200
> +++ linux/net/bluetooth/hci_core.c 2013-09-04 15:39:07.580170034 +0200
> @@ -598,7 +598,7 @@
> u8 p;
>
> /* Only send HCI_Delete_Stored_Link_Key if it is supported */
> - if (hdev->commands[6] & 0x80) {
> + if (0) {
> struct hci_cp_delete_stored_link_key cp;
>
> bacpy(&cp.bdaddr, BDADDR_ANY);
Can you toy with hcitool cmd to send the HCI_Delete_Stored_Link_Key commands and see what parameters it would accept to delete all keys.
Regards
Marcel
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