platforms/44x/cpm.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
24 #include <linux/suspend.h>
26 #include <asm/dcr-native.h>
43 	unsigned int	suspend;  member
54 	[CPM_IDLE_WAIT] = { 1, "wait" }, /* default */
84 	/* set wait state MSR */  in cpm_idle_wait()
99 	/* go to wait state so that CPM0_ER[CPU] can take effect */  in cpm_idle_sleep()
137 	*(s-1) = '\n'; /* convert the last space to a newline */  in cpm_idle_show()
139 	return s - buf;  in cpm_idle_show()
151 	len = p ? p - buf : n;  in cpm_idle_store()
160 	return -EINVAL;  in cpm_idle_store()
173 	ret = sysfs_create_file(&dev->kobj,  in cpm_idle_config_sysfs()
194 		return !!cpm.suspend;  in cpm_suspend_valid()
222 		cpm_suspend_standby(cpm.suspend);  in cpm_suspend_enter()
259 		ret = -EINVAL;  in cpm_init()
269 		ret = -EINVAL;  in cpm_init()
278 		ret = -EINVAL;  in cpm_init()
284 	 * CPM registers in the following order (ER,FR,SR). The  in cpm_init()
285 	 * others have them in the following order (SR,ER,FR).  in cpm_init()
288 	if (cpm_get_uint_property(np, "er-offset") == 0) {  in cpm_init()
300 	cpm.unused = cpm_get_uint_property(np, "unused-units");  in cpm_init()
301 	cpm.idle_doze = cpm_get_uint_property(np, "idle-doze");  in cpm_init()
303 	cpm.suspend = cpm_get_uint_property(np, "suspend");  in cpm_init()
317 	if (cpm.standby || cpm.suspend)  in cpm_init()