linux-kernel - Re: [PATCH v2 2/9] serial: bflb_uart: add Bouffalolab UART Driver

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Message-ID: <2b020f4c-5c2b-f905-27e9-a3f603a2568a@kernel.org>
Date:   Tue, 29 Nov 2022 07:32:11 +0100
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Jisheng Zhang <jszhang@...nel.org>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Conor Dooley <conor@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        linux-serial <linux-serial@...r.kernel.org>
Subject: Re: [PATCH v2 2/9] serial: bflb_uart: add Bouffalolab UART Driver

On 29. 11. 22, 0:20, Jisheng Zhang wrote:
> On Mon, Nov 28, 2022 at 06:01:28PM +0200, Ilpo Järvinen wrote:
>> On Mon, 28 Nov 2022, Jisheng Zhang wrote:
>>
>>> On Mon, Nov 28, 2022 at 07:10:41AM +0100, Jiri Slaby wrote:
>>>> On 27. 11. 22, 14:24, Jisheng Zhang wrote:
>>>>> +static void bflb_uart_tx_chars(struct uart_port *port)
>>>>
>>>> Again:
>>>>
>>>> Are you unable to use the TX helper? If so:
>>>
>>> You know serial subsystem better than me, may I ask for more
>>> details? For example,
>>> Besides uart_xmit_advance(), do you expect other TX helpers? If yes,
>>> can you please list them?
>>
>> Please take on look on commit 8275b48b278096edc1e3ea5aa9cf946a10022f79.
>> The changes following that commit convert some drivers to use the tx
>> helper so you can look into them to see examples.
> 
> Thanks a lot for the hint. Will those tx helpers(uart_port_tx,
> uart_port_tx_limited etc.) be in v6.2-rc1? Or I need to patch
> based on Jiri's devel branch?

It's in tty-next and so in -next. You should base on either of those 
anyway ;). And yes, the plan is to have them in v6.2-rc1.

thanks,
-- 
js