Re: (subset) [PATCH v5 0/2] driver: reset: spacemit-p1: add driver for poweroff/reboot

Troy Mitchell
2026-04-10T01:49:34Z

Hi Lee and Aurelien,

On Wed Nov 5, 2025 at 9:10 PM CST, Troy Mitchell wrote:
> On Wed, Nov 05, 2025 at 10:11:49AM +0000, Lee Jones wrote:
>> On Wed, 05 Nov 2025, Lee Jones wrote:
>>
>> > On Wed, 05 Nov 2025, Troy Mitchell wrote:
>> >
>> > > On Wed, Nov 05, 2025 at 09:34:21AM +0000, Lee Jones wrote:
>> > > > On Tue, 04 Nov 2025, Troy Mitchell wrote:
>> > > >
>> > > > > On Mon, Nov 03, 2025 at 01:48:33AM +0100, Sebastian Reichel wrote:
>> > > > > >
>> > > > > > On Mon, 03 Nov 2025 00:01:58 +0100, Aurelien Jarno wrote:
>> > > > > > > This adds poweroff/reboot support for the SpacemiT P1 PMIC chip, which is
>> > > > > > > commonly paired with the SpacemiT K1 SoC.
>> > > > > > >
>> > > > > > > Note: For reliable operation, this driver depends on a this patch that adds
>> > > > > > > atomic transfer support to the SpacemiT I2C controller driver:
>> > > > > > > https://lore.kernel.org/spacemit/20251009-k1-i2c-atomic-v4-1-a89367870286@linux.spacemit.com/
>> > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> > > dependency is here.
>> > > > > > >
>> > > > > > > [...]
>> > > > > >
>> > > > > > Applied, thanks!
>> > > > > >
>> > > > > > [1/2] driver: reset: spacemit-p1: add driver for poweroff/reboot
>> > > > > > commit: 28124cc0fb8c7dc01a6834d227351e25d9a92c58
>> > > > > Should we apply it now? The dependency patch hasn’t been merged yet...
>> > > >
>> > > > What is the dependency?
>> > > I point it out above.
>> > > Without this patch, reboot and shutdown would end up calling the non-atomic i2c_transfer.
>> >
>> > Okay, thanks. I was mostly checking that you weren't referring to the
>> > MFD patch, which doesn't represent a true dependency.
>>
>> To save Sebastian some trouble, let's keep the reboot patch applied.
>>
>> I'll hold off on the MFD one, which will ensure that reboot isn't probed.
>>
>> Let me know when the dep is merged and I'll hoover up the rest of the set.
> Okay. I'll reply this thread when the dependency is merged.
Ths I2C PIO patchset has been merged here [1].

Link: https://lore.kernel.org/all/adfVk82OC1c3Zn8a@zenone.zhora.eu/

- Troy