static int bcma_bhndb_resume_child(device_t dev, device_t child) { struct bcma_devinfo *dinfo; int error; if (device_get_parent(child) != dev) BUS_SUSPEND_CHILD(device_get_parent(dev), child); if (!device_is_suspended(child)) return (EBUSY); dinfo = device_get_ivars(child); /* Resume child's agent resource */ if (dinfo->res_agent != NULL) { error = BHNDB_RESUME_RESOURCE(device_get_parent(dev), dev, SYS_RES_MEMORY, dinfo->res_agent->res); if (error) return (error); } /* Resume the child */ if ((error = bhnd_generic_br_resume_child(dev, child))) { /* On failure, re-suspend the agent resource */ if (dinfo->res_agent != NULL) { BHNDB_SUSPEND_RESOURCE(device_get_parent(dev), dev, SYS_RES_MEMORY, dinfo->res_agent->res); } return (error); } return (0); }
static int siba_bhndb_resume_child(device_t dev, device_t child) { struct siba_devinfo *dinfo; int error; if (device_get_parent(child) != dev) BUS_SUSPEND_CHILD(device_get_parent(dev), child); if (!device_is_suspended(child)) return (EBUSY); dinfo = device_get_ivars(child); /* Resume all resource references to the child's config registers */ for (u_int i = 0; i < dinfo->core_id.num_cfg_blocks; i++) { if (dinfo->cfg_res[i] == NULL) continue; error = BHNDB_RESUME_RESOURCE(device_get_parent(dev), dev, SYS_RES_MEMORY, dinfo->cfg_res[i]->res); if (error) { siba_bhndb_suspend_cfgblocks(dev, dinfo); return (error); } } /* Resume the child */ if ((error = bhnd_generic_br_resume_child(dev, child))) { siba_bhndb_suspend_cfgblocks(dev, dinfo); return (error); } return (0); }
static int bcma_bhndb_suspend_child(device_t dev, device_t child) { struct bcma_devinfo *dinfo; int error; if (device_get_parent(child) != dev) BUS_SUSPEND_CHILD(device_get_parent(dev), child); if (device_is_suspended(child)) return (EBUSY); dinfo = device_get_ivars(child); /* Suspend the child */ if ((error = bhnd_generic_br_suspend_child(dev, child))) return (error); /* Suspend child's agent resource */ if (dinfo->res_agent != NULL) BHNDB_SUSPEND_RESOURCE(device_get_parent(dev), dev, SYS_RES_MEMORY, dinfo->res_agent->res); return (0); }
/** * Examine bus state and make a best effort determination of whether it's * likely safe to enable the muxed SPROM pins. * * On devices that do not use SPROM pin muxing, always returns true. * * @param sc chipc driver state. */ static bool chipc_should_enable_muxed_sprom(struct chipc_softc *sc) { device_t *devs; device_t hostb; device_t parent; int devcount; int error; bool result; /* Nothing to do? */ if (!CHIPC_QUIRK(sc, MUX_SPROM)) return (true); mtx_lock(&Giant); /* for newbus */ parent = device_get_parent(sc->dev); hostb = bhnd_find_hostb_device(parent); if ((error = device_get_children(parent, &devs, &devcount))) { mtx_unlock(&Giant); return (false); } /* Reject any active devices other than ChipCommon, or the * host bridge (if any). */ result = true; for (int i = 0; i < devcount; i++) { if (devs[i] == hostb || devs[i] == sc->dev) continue; if (!device_is_attached(devs[i])) continue; if (device_is_suspended(devs[i])) continue; /* Active device; assume SPROM is busy */ result = false; break; } free(devs, M_TEMP); mtx_unlock(&Giant); return (result); }
static irqreturn_t touchkey_interrupt_thread(int irq, void *touchkey_devdata) { u8 data; int i; int ret; int scancode; struct cypress_touchkey_devdata *devdata = touchkey_devdata; ret = i2c_touchkey_read_byte(devdata, &data); if (ret || (data & ESD_STATE_MASK)) { ret = recovery_routine(devdata); if (ret) { dev_err(&devdata->client->dev, "%s: touchkey recovery " "failed!\n", __func__); goto err; } } if (devdata->has_legacy_keycode) { scancode = (data & SCANCODE_MASK) - 1; if (scancode < 0 || scancode >= devdata->pdata->keycode_cnt) { dev_err(&devdata->client->dev, "%s: scancode is out of " "range\n", __func__); goto err; } #ifdef CONFIG_TOUCH_WAKE if (!device_is_suspended()) #endif { input_report_key(devdata->input_dev, devdata->pdata->keycode[scancode], !(data & UPDOWN_EVENT_MASK)); } #if defined(CONFIG_TOUCH_WAKE) || defined(CONFIG_BLD) if (!(data & UPDOWN_EVENT_MASK)) { #ifdef CONFIG_BLD touchkey_pressed(); #endif #ifdef CONFIG_TOUCH_WAKE touch_press(); #endif } #endif } else { #ifdef CONFIG_TOUCH_WAKE if (!device_is_suspended()) #endif { for (i = 0; i < devdata->pdata->keycode_cnt; i++) input_report_key(devdata->input_dev, devdata->pdata->keycode[i], !!(data & (1U << i))); } #if defined(CONFIG_TOUCH_WAKE) || defined(CONFIG_BLD) for (i = 0; i < devdata->pdata->keycode_cnt; i++) { if(!!(data & (1U << i))) { #ifdef CONFIG_BLD touchkey_pressed(); #endif #ifdef CONFIG_TOUCH_WAKE touch_press(); #endif break; } } #endif } input_sync(devdata->input_dev); err: return IRQ_HANDLED; }