| # Copyright 2021 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # We give at least a little bit of trust to the SD driver and |
| # the USB driver by allowing them to run in non-strict IOMMU |
| # mode. This gives a nice performance boost. Option is only there |
| # on kernels v5.15+ |
| # For history: b/162549949, crrev.com/c/2986602, crrev.com/c/2991743 |
| ACTION=="add", SUBSYSTEM=="platform", \ |
| DEVPATH=="/devices/platform/soc@0/7c4000.sdhci", \ |
| ATTR{iommu_group/type}="DMA-FQ" |
| ACTION=="add", SUBSYSTEM=="platform", \ |
| DEVPATH=="/devices/platform/soc@0/8804000.sdhci", \ |
| ATTR{iommu_group/type}="DMA-FQ" |
| ACTION=="add", SUBSYSTEM=="platform", \ |
| DEVPATH=="/devices/platform/soc@0/a6f8800.usb/a600000.dwc3", \ |
| ATTR{iommu_group/type}="DMA-FQ" |
