Re: [PATCH v2] riscv: dts: starfive: Remove PMIC interrupt info for Visionfive 2 board

Bo Gan
2024-03-26T22:12:36Z

On 3/26/24 3:10 PM, Conor Dooley wrote:
> On Tue, Mar 26, 2024 at 03:06:33PM -0700, Bo Gan wrote:
>> On 3/26/24 1:37 PM, Conor Dooley wrote:
>>> From: Conor Dooley <conor.dooley@microchip.com>
>>>
>>> On Thu, 07 Mar 2024 20:21:12 +0800, Shengyu Qu wrote:
>>>> Interrupt line number of the AXP15060 PMIC is not a necessary part of
>>>> its device tree. And this would cause kernel to try to enable interrupt
>>>> line 0, which is not expected. So delete this part from device tree.
>>>>
>>>>
>>>
>>> Applied to riscv-dt-fixes, thanks! And I didn't forget, so I re-wrote
>>> the commit message to add some more information as promised.
>>>
>>> [1/1] riscv: dts: starfive: Remove PMIC interrupt info for Visionfive 2 board
>>> https://git.kernel.org/conor/c/0b163f43920d
>>>
>>> Thanks,
>>> Conor.
>>>
>> Hi Conor,
>>
>> Thank you very much for taking care of this. Actually the PLIC may silently
>> ignore the enablement of interrupt 0, so the upstream openSBI won't notice
>> anything. My modified version, however, will deliberately trigger a fault
>> for all writes to the reserved fields of PLIC, thus catching this issue.
>>
>> Hope it can clarify things a bit more.
>
> https://git.kernel.org/conor/c/0f74c64f0a9f
>
> Better?
>
Great! Thanks again.

Bo