linux-kernel - Re: [Internet]Re: [PATCH v5] arm pl011 serial: support multi-irq request

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Message-ID: <0f77be70-08fd-6fdd-227d-611c01c54788@arm.com>
Date:   Fri, 13 Aug 2021 16:09:50 +0100
From:   Robin Murphy <robin.murphy@....com>
To:     gregkh <gregkh@...uxfoundation.org>,
        Qian Cai <quic_qiancai@...cinc.com>
Cc:     tombinfan(范兵) <tombinfan@...cent.com>,
        Bing Fan <hptsfb@...il.com>,
        linux-serial <linux-serial@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Internet]Re: [PATCH v5] arm pl011 serial: support multi-irq
 request

On 2021-08-13 16:01, gregkh wrote:
> On Fri, Aug 13, 2021 at 09:42:52AM -0400, Qian Cai wrote:
>>
>>
>> On 8/12/2021 11:32 PM, tombinfan(范兵) wrote:
>>> hello,
>>>
>>> I have sent the modified patch to the following mailboxes. THX
>>>
>>> gregkh@...uxfoundation.org
>>> linux-serial@...r.kernel.org
>>> linux-kernel@...r.kernel.org
>>
>> Thanks for the pointer. It is good to get some reviews from Arm
>> people in the first place, so we don't break Arm like this.
>>
>> Anyway, for anyone who might be watching, here is the new patch,
>>
>> https://lore.kernel.org/linux-serial/1628825490-18937-1-git-send-email-hptsfb@gmail.com/
>>
>> Unfortunately, I saw Greg mentioned that it was not based on
>> tty-next, so not something I can apply easily on linux-next here
>> as well.
> 
> That is because the code in tty-next (and linux-next), looks to already
> do exactly what you submitted, right?
> 
> So is this working now for everyone in linux-next?

AFAICS commit b0819465be8b in linux-next still results in 
amba_device-specific code being called from sbsa_uart_startup() and 
sbsa_uart_shutdown(), which is what blows up.

Robin.