diff options
| author | Laurentiu Tudor <[email protected]> | 2021-07-15 17:07:15 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2021-07-21 13:56:25 +0200 |
| commit | 8c97a4fc1b34856812b6775f1f1d46b3bf59bc9d (patch) | |
| tree | 30e6faf38f609da74f2b537263d5c00ad0eed8a5 /drivers/fpga/fpga-mgr.c | |
| parent | 3ab520cfc772a63e037b5d433c3976c6426bf080 (diff) | |
bus: fsl-mc: pause the MC firmware before IOMMU setup
Add a bus notifier to pause the MC firmware as soon as its device
gets discovered. This is needed as the firmware is live thus, as soon
as the SMMU gets probed and enabled, it will crash the firmware due to
SMMU context faults. The firmware will be resumed at probe time, after
the required IOMMU setup was completed.
Signed-off-by: Laurentiu Tudor <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/fpga/fpga-mgr.c')
0 files changed, 0 insertions, 0 deletions