Re: [SPAM]Re: [PATCH] [PATCH] Bluetooth: btusb: Add support Mediatek MT7920

["Deren Wu (武德仁)" <Deren.Wu@mediatek.com>]

Hi Thorsten,

Thanks for the note. We are looking for solution for this issue. Peter
would post the new patch. :)

Regards,
Deren

On Fri, 2024-04-05 at 10:34 +0200, Linux regression tracking (Thorsten
Leemhuis) wrote:
> [CCing the regression list, as it should be in the loop for
> regressions:
> 
https://urldefense.com/v3/__https://docs.kernel.org/admin-guide/reporting-regressions.html__;!!CTRNKA9wMg0ARbw!n9OQDQtfMiQdddzNLvMEOMLnnEHhw12KRY5W5YPscQJTiNQtuIVuJufNc2UYpy-rUlRtMUwZsL5NDERIf1CoGox8J2I$
>  ]
> 
> On 01.04.24 17:20, Mike Lothian wrote:
> > On Mon, 1 Apr 2024 at 15:44, Mike Lothian <mike@fireburn.co.uk>
> > wrote:
> > > 
> > > I think this patch is causing issues with older firmware
> > > 
> > > Bus 003 Device 002: ID 13d3:3563 IMC Networks Wireless_Device
> > > 
> > > [    0.315064] Bluetooth: Core ver 2.22
> > > [    0.315064] NET: Registered PF_BLUETOOTH protocol family
> > > [    0.315064] Bluetooth: HCI device and connection manager
> > > initialized
> > > [    0.315064] Bluetooth: HCI socket layer initialized
> > > [    0.315064] Bluetooth: L2CAP socket layer initialized
> > > [    0.315064] Bluetooth: SCO socket layer initialized
> > > [    4.670811] Bluetooth: RFCOMM TTY layer initialized
> > > [    4.671029] Bluetooth: RFCOMM socket layer initialized
> > > [    4.671790] Bluetooth: RFCOMM ver 1.11
> > > [    4.673416] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
> > > [    4.673659] Bluetooth: BNEP filters: protocol multicast
> > > [    4.673895] Bluetooth: BNEP socket layer initialized
> > > [    4.674125] Bluetooth: HIDP (Human Interface Emulation) ver
> > > 1.2
> > > [    4.674360] Bluetooth: HIDP socket layer initialized
> > > [    5.016365] bluetooth hci0: Direct firmware load for
> > > mediatek/BT_RAM_CODE_MT7961_1a_2_hdr.bin failed with error -2
> > > [    5.017163] Bluetooth: hci0: Failed to load firmware file (-2)
> > > [    5.017557] Bluetooth: hci0: Failed to set up firmware (-2)
> > > [    5.018129] Bluetooth: hci0: HCI Enhanced Setup Synchronous
> > > Connection command is advertised, but not supported.
> > > 
> > > The correct name should be
> > > mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin
> > > 
> > > Reverting this patch fixes things
> > 
> > If it helps, the device ID is 0x7961 and the fw_flavour is 24 or
> > 0x18 in hex
> 
> Thanks for the report!
> 
> Peter, did you look into this?
> 
> Anyway: To be sure the issue doesn't fall through the cracks
> unnoticed,
> I'm adding it to regzbot, the Linux kernel regression tracking bot:
> 
> #regzbot report:
> 
https://lore.kernel.org/all/20240401144424.1714-1-mike@fireburn.co.uk/
> #regzbot introduced: 1cb63d80fff6c4
> #regzbot title: net: Bluetooth: firmware loading problems with older
> firmware
> #regzbot ignore-activity
> 
> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker'
> hat)
> --
> Everything you wanna know about Linux kernel regression tracking:
> 
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>  
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