linux-kernel - Re: [PATCH 00/12] can: kvaser

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Date:   Mon, 6 Jun 2022 17:33:32 +0200
From:   Jimmy Assarsson <extja@...ser.com>
To:     Anssi Hannula <anssi.hannula@...wise.fi>
Cc:     linux-can@...r.kernel.org, Marc Kleine-Budde <mkl@...gutronix.de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/12] can: kvaser_usb: Various fixes

On 5/30/22 12:56, Anssi Hannula wrote:
> On 28.5.2022 10.42, Jimmy Assarsson wrote:
>> On 5/17/22 10:41, Jimmy Assarsson wrote:
>>> On 2022-05-16 15:47, Anssi Hannula wrote:
>>>> Hi all,
>>>>
>>>> Here's a set of fixes for issues I found while testing kvaser_usb as we
>>>> are preparing to start using it in production (with 0bfd:0124).
>>> Hi Anssi,
>>>
>>> Thanks for the patches!
>>> I will review and test your fixes before the weekend.
>>>
>>> Best regards,
>>> jimmy
>> Sorry for the delay!
> 
> No problem!
> 
>> To summarize the status.
>>
>> These patches look good:
>> [PATCH 01/12] can: kvaser_usb_leaf: Fix overread with an invalid command
>> [PATCH 02/12] can: kvaser_usb: Fix use of uninitialized completion
>> [PATCH 03/12] can: kvaser_usb: Fix possible completions during
>> init_completion
>> [PATCH 05/12] can: kvaser_usb_leaf: Set Warning state even without bus
>> errors
>> [PATCH 10/12] can: kvaser_usb_leaf: Fix wrong CAN state after stopping
>> [PATCH 12/12] can: kvaser_usb_leaf: Fix bogus restart events
>>
>> This looks good, but see comment regarding explicit queue flush:
>> [PATCH 06/12] can: kvaser_usb_leaf: Fix TX queue out of sync after restart
> 
> Feel free to drop the flush, or let me know if you want me to resend it
> without it.
> 
>> I still need some more time looking into:
>> PATCH 07/12] can: kvaser_usb_leaf: Fix CAN state after restart
>> PATCH 08/12] can: kvaser_usb_leaf: Fix improved state not being reported
>> PATCH 11/12] can: kvaser_usb_leaf: Ignore stale bus-off after start
>>
>> I want to replace
>> [PATCH 04/12] can: kvaser_usb: Mark Mini PCIe 2xHS as supporting error
>> counters
>> with a new patch
>> "can: kvaser_usb: kvaser_usb_leaf: Get capabilities from device"
>>
>> I want to split the handling of CMD_ERROR_EVENT and the readback
>> functionality. I also want to add parameter readback for
>> kvaser_usb_hydra. I need more time to look over the can_bittiming_const
>> in kvaser_usb_leaf for the different supported firmware.
>> [PATCH 09/12] can: kvaser_usb_leaf: Fix silently failing bus params setup
>>
>>
>> I would like to create a V2 series, including my patches, if you are
>> okay with it?
> 
> 
> Yes, that's fine. I can test your series on my setup as well.

I'll rebase and send V2 of this series, once "can: kvaser_usb: CAN clock 
frequency regression" [2], is sorted out.
That would be great :)


[2] 
https://lore.kernel.org/linux-can/20220603083820.800246-1-extja@kvaser.com

Best regards,
jimmy