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Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-platform')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-platform | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-platform b/Documentation/ABI/testing/sysfs-bus-platform index 194ca700e962..c4dfe7355c2d 100644 --- a/Documentation/ABI/testing/sysfs-bus-platform +++ b/Documentation/ABI/testing/sysfs-bus-platform @@ -28,3 +28,29 @@ Description: value comes from an ACPI _PXM method or a similar firmware source. Initial users for this file would be devices like arm smmu which are populated by arm64 acpi_iort. + +What: /sys/bus/platform/devices/.../msi_irqs/ +Date: August 2021 +Contact: Barry Song <song.bao.hua@hisilicon.com> +Description: + The /sys/devices/.../msi_irqs directory contains a variable set + of files, with each file being named after a corresponding msi + irq vector allocated to that device. + +What: /sys/bus/platform/devices/.../msi_irqs/<N> +Date: August 2021 +Contact: Barry Song <song.bao.hua@hisilicon.com> +Description: + This attribute will show "msi" if <N> is a valid msi irq + +What: /sys/bus/platform/devices/.../modalias +Description: + Same as MODALIAS in the uevent at device creation. + + A platform device that it is exposed via devicetree uses: + + - of:N`of node name`T`type` + + Other platform devices use, instead: + + - platform:`driver name` |