static void ci_handle_id_switch(struct ci_hdrc *ci) { enum ci_role role = ci_otg_role(ci); if (role != ci->role) { dev_dbg(ci->dev, "switching from %s to %s\n", ci_role(ci)->name, ci->roles[role]->name); ci_role_stop(ci); /* wait vbus lower than OTGSC_BSV */ hw_wait_reg(ci, OP_OTGSC, OTGSC_BSV, 0, CI_VBUS_STABLE_TIMEOUT_MS); ci_role_start(ci, role); } }
void ci_handle_id_switch(struct ci_hdrc *ci) { enum ci_role role = ci_otg_role(ci); if (role != ci->role) { dev_dbg(ci->dev, "switching from %s to %s\n", ci_role(ci)->name, ci->roles[role]->name); while (ci_hdrc_host_has_device(ci)) { enable_irq(ci->irq); usleep_range(10000, 15000); disable_irq_nosync(ci->irq); } ci_role_stop(ci); /* wait vbus lower than OTGSC_BSV */ hw_wait_reg(ci, OP_OTGSC, OTGSC_BSV, 0, CI_VBUS_STABLE_TIMEOUT_MS); ci_role_start(ci, role); } }