interface/vchiq_arm/vchiq_arm.c

1742 		/* Initialise to 'done' state.  We only want to block on resume
1748 		 * completion while resume is blocked */
1753 		 * completion while things are waiting on the resume blocker */
1774 ** step.  Suspend and resume state are maintained separately, since most of
1794 **			resume state machine to VC_RESUME_IDLE in this state.
1801 **			initiate resume, so no need to alter resume state.
1806 **			suspend completion and reset the resume state machine.
1808 ** VC_RESUME_IDLE - Initialise the resume completion at the same time.  The
1809 **			resume completion is in it's 'done' state whenever
1817 **			Call complete_all on the resume completion to unblock
1818 **			any threads waiting for resume.	 Also reset the suspend
1821 ** VC_RESUME_FAILED - Currently unused - no mechanism to fail resume exists.
1956 	/* We need to wait for resume to complete if it's in process */
1962 				"many times for resume" , __func__);
1966 		vchiq_log_info(vchiq_susp_log_level, "%s wait for resume",
1972 				"resume failed (%s)", __func__,
2141 		/* Already suspended - just block resume and exit */
2222 	/* all error states need to unblock resume before exit */
2261 	int resume = 0;
2271 	resume = vchiq_check_resume(state);
2274 	if (resume) {
2305 	int resume = 0;
2315 		resume = 1;
2320 	return resume;
2352 				"%s: not resuming (resume state %s)", __func__,
2415 			/* Indicate that there are threads waiting on the resume
2422 			vchiq_log_info(vchiq_susp_log_level, "%s %s resume "
2427 					"wait for resume blocker interrupted",
2435 			vchiq_log_info(vchiq_susp_log_level, "%s %s resume "
2450 	 * vc_resume_complete will block until we either resume or fail to
2472 		vchiq_log_info(vchiq_susp_log_level, "%s %s wait for resume",
2477 				"resume interrupted", __func__, entity);
2703 		"-- Videcore resume state: %s --",