usb: chipidea: otg: remove unnecessary B_SESS_VLD timer
Since BSV irq is enabled for B-device all the time, so B_SESS_VLD timer is not required, and also no need to check BSV status when B_ASE0_BRST timer timeout. Signed-off-by: Li Jun <jun.li@freescale.com> Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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963719c872
Коммит
01ecd15690
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@ -320,17 +320,6 @@ static void a_wait_vfall_tmout_func(void *ptr, unsigned long indicator)
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ci_otg_queue_work(ci);
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}
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static void b_ase0_brst_tmout_func(void *ptr, unsigned long indicator)
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{
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struct ci_hdrc *ci = (struct ci_hdrc *)ptr;
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set_tmout(ci, indicator);
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if (!hw_read_otgsc(ci, OTGSC_BSV))
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ci->fsm.b_sess_vld = 0;
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ci_otg_queue_work(ci);
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}
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static void b_ssend_srp_tmout_func(void *ptr, unsigned long indicator)
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{
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struct ci_hdrc *ci = (struct ci_hdrc *)ptr;
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@ -342,18 +331,6 @@ static void b_ssend_srp_tmout_func(void *ptr, unsigned long indicator)
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ci_otg_queue_work(ci);
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}
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static void b_sess_vld_tmout_func(void *ptr, unsigned long indicator)
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{
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struct ci_hdrc *ci = (struct ci_hdrc *)ptr;
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/* Check if A detached */
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if (!(hw_read_otgsc(ci, OTGSC_BSV))) {
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ci->fsm.b_sess_vld = 0;
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ci_otg_add_timer(ci, B_SSEND_SRP);
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ci_otg_queue_work(ci);
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}
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}
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static void b_data_pulse_end(void *ptr, unsigned long indicator)
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{
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struct ci_hdrc *ci = (struct ci_hdrc *)ptr;
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@ -405,7 +382,7 @@ static int ci_otg_init_timers(struct ci_hdrc *ci)
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return -ENOMEM;
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ci->fsm_timer->timer_list[B_ASE0_BRST] =
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otg_timer_initializer(ci, &b_ase0_brst_tmout_func, TB_ASE0_BRST,
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otg_timer_initializer(ci, &set_tmout_and_fsm, TB_ASE0_BRST,
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(unsigned long)&fsm->b_ase0_brst_tmout);
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if (ci->fsm_timer->timer_list[B_ASE0_BRST] == NULL)
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return -ENOMEM;
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@ -433,11 +410,6 @@ static int ci_otg_init_timers(struct ci_hdrc *ci)
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if (ci->fsm_timer->timer_list[B_DATA_PLS] == NULL)
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return -ENOMEM;
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ci->fsm_timer->timer_list[B_SESS_VLD] = otg_timer_initializer(ci,
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&b_sess_vld_tmout_func, TB_SESS_VLD, 0);
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if (ci->fsm_timer->timer_list[B_SESS_VLD] == NULL)
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return -ENOMEM;
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return 0;
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}
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@ -671,7 +643,6 @@ static void ci_otg_fsm_event(struct ci_hdrc *ci)
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fsm->a_conn = 0;
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fsm->b_bus_req = 0;
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ci_otg_queue_work(ci);
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ci_otg_add_timer(ci, B_SESS_VLD);
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}
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break;
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case OTG_STATE_A_PERIPHERAL:
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@ -62,8 +62,6 @@
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/* SSEND time before SRP */
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#define TB_SSEND_SRP (1500) /* minimum 1.5 sec, section:5.1.2 */
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#define TB_SESS_VLD (1000)
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enum ci_otg_fsm_timer_index {
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/*
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* CI specific timers, start from the end
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@ -71,7 +69,6 @@ enum ci_otg_fsm_timer_index {
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*/
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B_DATA_PLS = NUM_OTG_FSM_TIMERS,
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B_SSEND_SRP,
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B_SESS_VLD,
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NUM_CI_OTG_FSM_TIMERS,
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};
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