Re: [PATCH v11 10/16] iommu/arm-smmu-v3: Factor out arm_smmu_handle_gerror()

[Nicolin Chen]

On Tue, Sep 29, 2026 at 03:45:04AM +0000, Pranjal Shrivastava wrote:
> The GERROR register's state might be lost when the SMMU is powered down
> during runtime suspend, requiring the suspend sequence to handle any
> pending errors before the hardware state is lost.
> 
> Refactor the gerror handling logic into a helper function. Subsequent
> patches will invoke it from the runtime suspend callback after disabling
> the SMMU, ensuring that any late-breaking gerrors are logged and ack'ed
> before the hardware state is lost.

CMDQV has a separate IRQ, so I think it likely needs a counterpart.

I have a similar patch in one of my series:
https://lore.kernel.org/linux-iommu/16ae24cc2a002802b990afa1a69fe4ceab1e0da2.1790188510.git.nicolinc@xxxxxxxxxx/

Mine only handles CMDQ error though..

Nicolin