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| author | Jeff Brasen via groups.io <jbrasen=nvidia.com@groups.io> | 2023-06-29 20:46:48 +0000 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-10-18 09:00:09 +0000 |
| commit | 01e1bc28943a6bd66830e8af56665dc9e4647a08 (patch) | |
| tree | 6039ca6294c783efe2da651bdd22d5f299af7b7f | |
| parent | 772ec92577a8c786b6c9f8643fa60f1cf893bcd9 (diff) | |
| download | edk2-01e1bc28943a6bd66830e8af56665dc9e4647a08.tar.gz edk2-01e1bc28943a6bd66830e8af56665dc9e4647a08.tar.bz2 edk2-01e1bc28943a6bd66830e8af56665dc9e4647a08.zip | |
ArmPkg/ArmPsciMpServices: Add EFI_NOT_READY return
Add EFI_NOT_READY return if the CPU can not be enabled because the
processor is already on.
This can occur in normal use if the CPU is still being turned off from
a previous call when this is called again.
Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
| -rw-r--r-- | ArmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ArmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.c b/ArmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.c index f822a9877c..e7f4223513 100644 --- a/ArmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.c +++ b/ArmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.c @@ -103,7 +103,9 @@ DispatchCpu ( ArmCallSmc (&Args);
- if (Args.Arg0 != ARM_SMC_PSCI_RET_SUCCESS) {
+ if (Args.Arg0 == ARM_SMC_PSCI_RET_ALREADY_ON) {
+ Status = EFI_NOT_READY;
+ } else if (Args.Arg0 != ARM_SMC_PSCI_RET_SUCCESS) {
DEBUG ((DEBUG_ERROR, "PSCI_CPU_ON call failed: %d\n", Args.Arg0));
Status = EFI_DEVICE_ERROR;
}
|