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

Kuldeep Singh <[email protected]> Tue, 28 Jul 2026 11:41:23 +0530
Newsgroups org.kernel.vger.linux-crypto,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
> 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 <[email protected]>

Herbert, can you please review and pick the patch if no further comments.
This is required to fix interconnect votes summary for qce driver.

-- 
Regards
Kuldeep