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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Kevin, On Tue, Sep 13, 2022 at 02:24:27AM +0000, Tian, Kevin wrote: > > I wonder if it would be safe to just treat a pm_runtime_get_sync() > > failure as -ENODEV, since a PM resume() mostly occurs to the IOMMU > > that an IOMMU client/master device is behind, while an iommu_domain > > rarely intervenes. > > Yes, this is a condition preventing the device from being attached by > a domain hence converting -EINVAL to -ENODEV probably makes sense. > But as replied in another we might want to keep other errno's as is. Thanks for the reply and helps. I've sent a new IOMMU series: https://lore.kernel.org/linux-iommu/20220913082448.31120-1-nicolinc@nvidia.com/ Sorry I forgot to put you in CC, for I plainly copied the send list from the get_maintainer.pl script :( Hope you can still find these emails. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel