2073 	struct rate_estimator *est = from_timer(est, t, timer);  in idt77252_est_timer()  local
2074 	struct vc_map *vc = est->vc;  in idt77252_est_timer()
2084 	ncells = est->cells;  in idt77252_est_timer()
2086 	rate = ((u32)(ncells - est->last_cells)) << (7 - est->interval);  in idt77252_est_timer()
2087 	est->last_cells = ncells;  in idt77252_est_timer()
2088 	est->avcps += ((long)rate - (long)est->avcps) >> est->ewma_log;  in idt77252_est_timer()
2089 	est->cps = (est->avcps + 0x1f) >> 5;  in idt77252_est_timer()
2091 	cps = est->cps;  in idt77252_est_timer()
2092 	if (cps < (est->maxcps >> 4))  in idt77252_est_timer()
2093 		cps = est->maxcps >> 4;  in idt77252_est_timer()
2104 	est->timer.expires = jiffies + ((HZ / 4) << est->interval);  in idt77252_est_timer()
2105 	add_timer(&est->timer);  in idt77252_est_timer()
2114 	struct rate_estimator *est;  in idt77252_init_est()  local
2116 	est = kzalloc(sizeof(struct rate_estimator), GFP_KERNEL);  in idt77252_init_est()
2117 	if (!est)  in idt77252_init_est()
2119 	est->maxcps = pcr < 0 ? -pcr : pcr;  in idt77252_init_est()
2120 	est->cps = est->maxcps;  in idt77252_init_est()
2121 	est->avcps = est->cps << 5;  in idt77252_init_est()
2122 	est->vc = vc;  in idt77252_init_est()
2124 	est->interval = 2;		/* XXX: make this configurable */  in idt77252_init_est()
2125 	est->ewma_log = 2;		/* XXX: make this configurable */  in idt77252_init_est()
2126 	timer_setup(&est->timer, idt77252_est_timer, 0);  in idt77252_init_est()
2127 	mod_timer(&est->timer, jiffies + ((HZ / 4) << est->interval));  in idt77252_init_est()
2129 	return est;  in idt77252_init_est()
2206 	struct rate_estimator *est = NULL;  in idt77252_init_ubr()  local
2212 		est = vc->estimator;  in idt77252_init_ubr()
2216 	if (est) {  in idt77252_init_ubr()
2217 		timer_shutdown_sync(&est->timer);  in idt77252_init_ubr()
2218 		kfree(est);  in idt77252_init_ubr()