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

[Shivendra Pratap <shivendra.pratap@oss.qualcomm.com>]

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