Re: [PATCH v1] iommu/tegra-smmu: Change debugfs directory name

From: Joerg Roedel
Date: Wed Jul 14 2021 - 06:52:29 EST


On Mon, Jul 12, 2021 at 03:13:41AM +0300, Dmitry Osipenko wrote:
> - err = iommu_device_sysfs_add(&smmu->iommu, dev, NULL, dev_name(dev));
> + err = iommu_device_sysfs_add(&smmu->iommu, dev, NULL, "smmu");

Are you sure no one is relying on the old name so that this change
breaks ABI? Also this change means that there is always be only one SMMU
per system. Is that guaranteed too?

Regards,

Joerg