Lines Matching +full:no +full:- +full:idle +full:- +full:on +full:- +full:init

1 // SPDX-License-Identifier: GPL-2.0-or-later
19  * arm_cpuidle_simple_enter() - a wrapper to cpu_do_idle()
38  * arm_cpuidle_suspend() - function to enter low power idle states
42  * registered at the init time.
54  * arm_cpuidle_get_ops() - find a registered cpuidle_ops by name
66 	for (; m->method; m++)  in arm_cpuidle_get_ops()
67 		if (!strcmp(m->method, method))  in arm_cpuidle_get_ops()
68 			return m->ops;  in arm_cpuidle_get_ops()
74  * arm_cpuidle_read_ops() - Initialize the cpuidle ops with the device tree
78  * Get the method name defined in the 'enable-method' property, retrieve the
80  * cpuidle_ops are tagged __initconst and will be unloaded after the init
83  * Return 0 on sucess, -ENOENT if no 'enable-method' is defined, -EOPNOTSUPP if
84  * no cpuidle_ops is registered for the 'enable-method', or if either init or
92 	enable_method = of_get_property(dn, "enable-method", NULL);  in arm_cpuidle_read_ops()
94 		return -ENOENT;  in arm_cpuidle_read_ops()
98 		pr_warn("%pOF: unsupported enable-method property: %s\n",  in arm_cpuidle_read_ops()
100 		return -EOPNOTSUPP;  in arm_cpuidle_read_ops()
103 	if (!ops->init || !ops->suspend) {  in arm_cpuidle_read_ops()
104 		pr_warn("cpuidle_ops '%s': no init or suspend callback\n",  in arm_cpuidle_read_ops()
106 		return -EOPNOTSUPP;  in arm_cpuidle_read_ops()
111 	pr_notice("cpuidle: enable-method property '%s'"  in arm_cpuidle_read_ops()
118  * arm_cpuidle_init() - Initialize cpuidle_ops for a specific cpu
122  * the cpu's idle initialization callback. This may fail if the underlying HW
126  *  0 on success,
127  *  -ENODEV if it fails to find the cpu node in the device tree,
128  *  -EOPNOTSUPP if it does not find a registered and valid cpuidle_ops for
130  *  -ENOENT if it fails to find an 'enable-method' property,
131  *  -ENXIO if the HW reports a failure or a misconfiguration,
132  *  -ENOMEM if the HW report an memory allocation failure 
140 		return -ENODEV;  in arm_cpuidle_init()
144 		ret = cpuidle_ops[cpu].init(cpu_node, cpu);  in arm_cpuidle_init()