static ssize_t
set_a_bus_req(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct ci_hdrc *ci = dev_get_drvdata(dev);
if (count > 2)
return -1;
mutex_lock(&ci->fsm.lock);
if (buf[0] == '0') {
ci->fsm.a_bus_req = 0;
} else if (buf[0] == '1') {
/* If a_bus_drop is TRUE, a_bus_req can't be set */
if (ci->fsm.a_bus_drop) {
mutex_unlock(&ci->fsm.lock);
return count;
}
ci->fsm.a_bus_req = 1;
}
ci_otg_queue_work(ci);
mutex_unlock(&ci->fsm.lock);
return count;
}
static ssize_t
set_a_clr_err(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct ci_hdrc *ci = dev_get_drvdata(dev);
if (count > 2)
return -1;
mutex_lock(&ci->fsm.lock);
if (buf[0] == '1')
ci->fsm.a_clr_err = 1;
ci_otg_queue_work(ci);
mutex_unlock(&ci->fsm.lock);
return count;
}
static void ci_handle_vbus_glitch(struct ci_hdrc *ci)
{
bool valid_vbus_change = false;
if (hw_read_otgsc(ci, OTGSC_BSV)) {
if (!ci_is_vbus_glitch(ci)) {
if (ci_otg_is_fsm_mode(ci)) {
ci->fsm.b_sess_vld = 1;
ci->fsm.b_ssend_srp = 0;
otg_del_timer(&ci->fsm, B_SSEND_SRP);
otg_del_timer(&ci->fsm, B_SRP_FAIL);
}
valid_vbus_change = true;
}
} else {
if (ci->vbus_active && !ci_otg_is_fsm_mode(ci))
valid_vbus_change = true;
}
if (valid_vbus_change) {
ci->b_sess_valid_event = true;
ci_otg_queue_work(ci);
}
}
