linux-kernel - Re: [PATCH v2 6/8] iommu/arm-smmu: Don't register fwnode for legacy binding

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Message-ID: <Y9f7DvikGv8Zs12O@nvidia.com>
Date:   Mon, 30 Jan 2023 13:14:54 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Robin Murphy <robin.murphy@....com>
Cc:     joro@...tes.org, will@...nel.org, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org, hch@....de, baolu.lu@...ux.intel.com
Subject: Re: [PATCH v2 6/8] iommu/arm-smmu: Don't register fwnode for legacy
 binding

On Thu, Jan 26, 2023 at 06:26:21PM +0000, Robin Murphy wrote:
> When using the legacy binding we bypass the of_xlate mechanism, so avoid
> registering the instance fwnodes which act as keys for that. This will
> help __iommu_probe_device() to retrieve the registered ops the same way
> as for x86 etc. when no fwspec has previously been set up by of_xlate.
> 
> Signed-off-by: Robin Murphy <robin.murphy@....com>
> ---
> 
> v2: No change

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason