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SGI interrupt register and reset is performed by EEMI ioctl IOCTL_REGISTER_SGI. However, this is not correct use of EEMI call. SGI registration functionality does not qualify as energy management activity and so shouldn't be mapped to EEMI call. This new call will replace IOCTL_REGISTER_SGI and will be handled by TF-A specific handler in TF-A. To maintain backward compatibility for a while firmware driver will still use IOCTL_REGISTER_SGI as fallback strategy if new call fails or is not supported by TF-A. This new design also helps to make TF-A as pass through layer for EEMI calls. So we don't have to maintain PM_IOCTL as EEMI API ID in TF-A. Signed-off-by: Tanmay Shah <tanmay.shah@xilinx.com> Acked-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/20220607224253.54919-1-tanmay.shah@xilinx.com Signed-off-by: Michal Simek <michal.simek@amd.com> |
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