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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>
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@ -103,7 +103,9 @@ DispatchCpu (
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ArmCallSmc (&Args);
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ArmCallSmc (&Args);
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if (Args.Arg0 != ARM_SMC_PSCI_RET_SUCCESS) {
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if (Args.Arg0 == ARM_SMC_PSCI_RET_ALREADY_ON) {
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Status = EFI_NOT_READY;
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} else if (Args.Arg0 != ARM_SMC_PSCI_RET_SUCCESS) {
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DEBUG ((DEBUG_ERROR, "PSCI_CPU_ON call failed: %d\n", Args.Arg0));
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DEBUG ((DEBUG_ERROR, "PSCI_CPU_ON call failed: %d\n", Args.Arg0));
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Status = EFI_DEVICE_ERROR;
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Status = EFI_DEVICE_ERROR;
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}
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}
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