Re: [PATCH v8] crypto: qce - Add runtime PM and interconnect bandwidth scaling support

From: Konrad Dybcio

Date: Wed Jul 29 2026 - 04:21:15 EST


On 7/28/26 8:11 AM, Kuldeep Singh wrote:
>> The Qualcomm Crypto Engine (QCE) driver currently lacks support for
>> runtime power management (PM) and interconnect bandwidth control.
>> As a result, the hardware remains fully powered and clocks stay
>> enabled even when the device is idle. Additionally, static
>> interconnect bandwidth votes are held indefinitely, preventing the
>> system from reclaiming unused bandwidth.
>>
>> Address this by enabling runtime PM and dynamic interconnect
>> bandwidth scaling to allow the system to suspend the device when idle
>> and scale interconnect usage based on actual demand. Improve overall
>> system efficiency by reducing power usage and optimizing interconnect
>> resource allocation.
>>
>> Signed-off-by: Udit Tiwari <udit.tiwari@xxxxxxxxxxxxxxxx>
>
> Herbert, can you please review and pick the patch if no further comments.
> This is required to fix interconnect votes summary for qce driver.

This needs to be rebased on linux-next/master

Konrad