firmware/psci/psci.c

7 #define pr_fmt(fmt) "psci: " fmt
18 #include <linux/psci.h>
23 #include <uapi/linux/psci.h>
280 		WARN(1, "Unexpected PSCI conduit %d\n", conduit);  in set_conduit()
452 	return PTR_ERR_OR_ZERO(debugfs_create_file("psci", 0444, NULL, NULL,  in psci_debugfs_init()
606 	 * Conveniently, the SMCCC and PSCI versions are encoded the  in psci_init_smccc()
616 	pr_info("Using standard PSCI v0.2 function IDs\n");  in psci_0_2_set_functions()
634  * Probe function for PSCI firmware versions >= 0.2
645 		pr_err("Conflicting PSCI version detected.\n");  in psci_probe()
667  * PSCI init function for PSCI versions >=0.2
669  * Probe based on PSCI PSCI_VERSION function
680 	 * Starting with v0.2, the PSCI specification introduced a call  in psci_0_2_init()
682 	 * that PSCI function IDs and version specific initialization  in psci_0_2_init()
690  * PSCI < v0.2 get PSCI Function IDs via DT.
701 	pr_info("Using PSCI v0.1 Function IDs from DT\n");  in psci_0_1_init()
747 	{ .compatible = "arm,psci",	.data = psci_0_1_init},
748 	{ .compatible = "arm,psci-0.2",	.data = psci_0_2_init},
749 	{ .compatible = "arm,psci-1.0",	.data = psci_1_0_init},
774  * We use PSCI 0.2+ when ACPI is deployed on ARM64 and it's