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b179a8e1e9
Provide api to save/restore GICD state for SPIs. SPI configuration is restored for GICD_ICFGR, GICD_ISENABLER, GICD_IPRIORITYR, GICD_IROUTER registers. Following is the sequence for restore: 1. For SPIs, check whether any of GICD_ICFGR, GICD_ISENABLER, GICD_IPRIORITYR, GICD_IROUTER, current configuration is different from saved configuration. For all irqs, with mismatched configurations, 2. Set GICD_ICENABLER and wait for its completion. 3. Restore any changed GICD_ICFGR, GICD_IPRIORITYR, GICD_IROUTER configurations. 4. Set GICD_ICACTIVER. 5. Set pending for the interrupt. 6. Enable interrupt and wait for its completion. Change-Id: I31cd5eb8c3226dcdfd474bc88b91c1cb5ca909e6 Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org> Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>