Re: [PATCH v19 00/10] Implement PSCI reboot mode driver for PSCI resets

[Shivendra Pratap]

On 10-02-2026 19:35, Shivendra Pratap wrote:
> On 1/26/2026 7:08 PM, Lorenzo Pieralisi wrote:
> > On Sat, Jan 24, 2026 at 04:08:11PM +0530, Shivendra Pratap wrote:
> > > On 1/6/2026 4:38 PM, Shivendra Pratap wrote:
> > > > On 12/28/2025 10:50 PM, Shivendra Pratap wrote:
> > > > > Userspace should be able to initiate device reboots using the various
> > > > > PSCI SYSTEM_RESET and SYSTEM_RESET2 types defined by PSCI spec. This
> > > > > patch series introduces psci-reboot-mode driver that registers with
> > > > > reboot-mode framework to provide this functionality.
> > > > >
> > > > > The PSCI system reset calls takes two arguments: reset_type and cookie.
> > > > > It defines predefined reset types, such as warm and cold reset, and
> > > > > vendor-specific reset types which are SoC vendor specific. To support
> > > > > these requirements, the reboot-mode framework is enhanced in two key
> > > > > ways:
> > > > > 1. 64-bit magic support: Extend reboot-mode to handle two 32-bit
> > > > > arguments (reset_type and cookie) by encoding them into a single 64-bit
> > > > > magic value.
> > > > > 2. Predefined modes: Add support for predefined reboot modes in the
> > > > > framework.
> > > > >
> > > > > With these enhancements, the patch series enables:
> > > > >   - Warm reset and cold reset as predefined reboot modes.
> > > > >   - Vendor-specific resets exposed as tunables, configurable via the
> > > > >     SoC-specific device tree.
> > > > >
> > > > > Together, these changes allow userspace to trigger all above PSCI resets
> > > > > from userspace.
> > > >
> > > > Hi Lorenzo,
> > > >
> > > > Is this patch series now converging towards the design changes you
> > > > proposed in v17? We’d like to conclude the design so we can move it
> > > > towards closure.
> > >
> > > Hi Lorenzo,
> > >
> > > Can you please review if the design aligns with your proposed changes?
> >
> > I will try to do it this week.
>
> Hi Lorenzo,
>
> Any pointers, if the change aligns towards your suggestions about the
> psci_sys_resets?

Hi Lorenzo,

Was planning to address the current reviews to send the next version, 
wanted to check if you could check this approach towards psci-reboot-modes?

thanks,
Shivendra