static int modem_data_init(struct viatel_modem_data *d)
{
int ret = 0;
d->modem_kobj = viatel_kobject_add("modem");
if(!d->modem_kobj){
ret = -ENOMEM;
goto end;
}
d->ntf_flags = 0;
RAW_INIT_NOTIFIER_HEAD(&d->ntf);
wake_lock_init(&d->wlock, WAKE_LOCK_SUSPEND, "cbp_rst");
INIT_WORK(&d->work, modem_notify_task);
d->rst_ntf.notifier_call = modem_reset_notify_misc;
d->pwr_ntf.notifier_call = modem_power_notify_misc;
atomic_set(&d->count, 0);
end:
return ret;
}
//static int __devinit cbp_probe(struct platform_device *pdev)
static int cbp_probe(struct platform_device *pdev)
{
struct cbp_platform_data *plat = pdev->dev.platform_data;
int ret = -1;
/* must have platform data */
if (!plat) {
LOGPRT(LOG_ERR, "%s: no platform data!\n", __func__);
ret = -EINVAL;
goto out;
}
if(plat->bus && !strcmp(plat->bus,"sdio")){
if(plat->detect_host){
ret = plat->detect_host(plat->host_id);
if(ret){
LOGPRT(LOG_ERR, "%s: host %s dectect failed!\n", __func__, plat->host_id);
goto out;
}
}
else{
LOGPRT(LOG_ERR, "%s: bus %s have no dectect function!\n", __func__, plat->bus);
goto out;
}
}
else{
LOGPRT(LOG_ERR, "%s: unknow bus!\n", __func__);
goto out;
}
if((GPIO_OEM_VALID(plat->gpio_sd_select)) && (GPIO_OEM_VALID(plat->gpio_mc3_enable))){
ret = oem_gpio_request(plat->gpio_mc3_enable, DRIVER_NAME"(MC3_EN_N)");
if(ret < 0){
LOGPRT(LOG_ERR, "%s: %d fail to requset MC3_EN_N gpio %d ret =%d!!\n",
__func__, __LINE__, plat->gpio_mc3_enable,ret);
goto out;
}
ret = oem_gpio_request(plat->gpio_sd_select, DRIVER_NAME"(SD_SEL_N)");
if(ret < 0){
LOGPRT(LOG_ERR, "%s: %d fail to requset SD_SEL_N gpio %d ret =%d!!\n",
__func__, __LINE__, plat->gpio_sd_select,ret);
goto err_req_sd_sel;
}
oem_gpio_direction_output(GPIO_VIATEL_MC3_EN_N, 0); //MC3_EN_N
oem_gpio_direction_output(GPIO_VIATEL_SD_SEL_N, 0); //SD_SEL_N
}
if(GPIO_OEM_VALID(plat->gpio_data_ack)){
cbp_data_ack = kzalloc(sizeof(struct cbp_wait_event), GFP_KERNEL);
if (!cbp_data_ack){
ret = -ENOMEM;
LOGPRT(LOG_ERR, "%s %d kzalloc cbp_data_ack failed \n",__func__, __LINE__);
goto err_kzalloc_cbp_data_ack;
}
init_waitqueue_head(&cbp_data_ack->wait_q);
atomic_set(&cbp_data_ack->state, MODEM_ST_UNKNOW);
cbp_data_ack->wait_gpio = plat->gpio_data_ack;
cbp_data_ack->wait_polar = plat->gpio_data_ack_polar;
LOGPRT(LOG_ERR, "cbp_data_ack->wait_gpio=%d\n",cbp_data_ack->wait_gpio);
LOGPRT(LOG_ERR, "cbp_data_ack->wait_polar=%d\n",cbp_data_ack->wait_polar);
ret = oem_gpio_request(plat->gpio_data_ack, DRIVER_NAME "(data_ack)");
if(ret < 0){
LOGPRT(LOG_ERR, "%s: %d fail to requset data_ack gpio %d ret =%d!!\n",
__func__, __LINE__, plat->gpio_data_ack, ret);
goto err_req_data_ack;
}
oem_gpio_irq_mask(plat->gpio_data_ack);
oem_gpio_direction_input_for_irq(plat->gpio_data_ack);
oem_gpio_set_irq_type(plat->gpio_data_ack, IRQF_TRIGGER_FALLING);
ret = oem_gpio_request_irq(plat->gpio_data_ack, gpio_irq_data_ack,
IRQF_SHARED | IRQF_TRIGGER_FALLING, DRIVER_NAME "(data_ack)", cbp_data_ack);
oem_gpio_irq_unmask(plat->gpio_data_ack);
if (ret < 0) {
LOGPRT(LOG_ERR, "%s: %d fail to request irq for data_ack!!\n", __func__, __LINE__);
goto err_req_irq_data_ack;
}
plat->cbp_data_ack = cbp_data_ack;
plat->data_ack_wait_event = data_ack_wait_event;
plat->data_ack_enable =true;
}
if(GPIO_OEM_VALID(plat->gpio_flow_ctrl)){
cbp_flow_ctrl = kzalloc(sizeof(struct cbp_wait_event), GFP_KERNEL);
if (!cbp_flow_ctrl){
ret = -ENOMEM;
LOGPRT(LOG_ERR, "%s %d kzalloc cbp_flow_ctrl failed \n",__func__, __LINE__);
goto err_kzalloc_cbp_flow_ctrl;
}
init_waitqueue_head(&cbp_flow_ctrl->wait_q);
atomic_set(&cbp_flow_ctrl->state, FLOW_CTRL_DISABLE);
cbp_flow_ctrl->wait_gpio = plat->gpio_flow_ctrl;
cbp_flow_ctrl->wait_polar = plat->gpio_flow_ctrl_polar;
LOGPRT(LOG_ERR, "cbp_flow_ctrl->wait_gpio=%d\n",cbp_flow_ctrl->wait_gpio);
LOGPRT(LOG_ERR, "cbp_flow_ctrl->wait_polar=%d\n",cbp_flow_ctrl->wait_polar);
ret = oem_gpio_request(plat->gpio_flow_ctrl, DRIVER_NAME "(flow_ctrl)");
if(ret < 0){
LOGPRT(LOG_ERR, "%s: %d fail to requset flow_ctrl gpio %d ret =%d!!\n",
__func__, __LINE__, plat->gpio_flow_ctrl, ret);
goto err_req_flow_ctrl;
}
oem_gpio_irq_mask(plat->gpio_flow_ctrl);
oem_gpio_direction_input_for_irq(plat->gpio_flow_ctrl);
//oem_gpio_set_irq_type(plat->gpio_flow_ctrl, IRQ_TYPE_LEVEL_LOW |IRQ_TYPE_LEVEL_HIGH);
oem_gpio_set_irq_type(plat->gpio_flow_ctrl, IRQF_TRIGGER_FALLING);
ret = oem_gpio_request_irq(plat->gpio_flow_ctrl, gpio_irq_flow_ctrl,
IRQF_SHARED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
DRIVER_NAME "(flow_ctrl)", cbp_flow_ctrl);
oem_gpio_irq_unmask(plat->gpio_flow_ctrl);
if (ret < 0) {
LOGPRT(LOG_ERR, "%s: %d fail to request irq for flow_ctrl!!\n", __func__, __LINE__);
goto err_req_irq_flow_ctrl;
}
plat->cbp_flow_ctrl= cbp_flow_ctrl;
plat->flow_ctrl_wait_event = flow_ctrl_wait_event;
plat->flow_ctrl_enable = true;
}
if(GPIO_OEM_VALID(plat->gpio_rst_ind)){
cbp_rst_ind = kzalloc(sizeof(struct cbp_reset), GFP_KERNEL);
if (!cbp_rst_ind){
ret = -ENOMEM;
LOGPRT(LOG_ERR, "%s %d kzalloc cbp_rst_ind failed \n",__func__, __LINE__);
goto err_kzalloc_cbp_rst_ind;
}
cbp_rst_ind->name = "cbp_rst_ind_wq";
cbp_rst_ind->reset_wq = create_singlethread_workqueue(cbp_rst_ind->name);
if (cbp_rst_ind->reset_wq == NULL) {
ret = -ENOMEM;
LOGPRT(LOG_ERR, "%s %d error creat rst_ind_workqueue \n",__func__, __LINE__);
goto err_create_work_queue;
}
INIT_WORK(&cbp_rst_ind->reset_work, modem_detect);
cbp_rst_ind->rst_ind_gpio = plat->gpio_rst_ind;
cbp_rst_ind->rst_ind_polar = plat->gpio_rst_ind_polar;
cbp_rst_ind->host = NULL;
#if 0
ret = oem_gpio_request(plat->gpio_rst_ind, DRIVER_NAME "(rst_ind)");
if(ret < 0){
LOGPRT(LOG_ERR, "%s: %d fail to requset rst_ind gpio %d ret =%d!!\n",
__func__, __LINE__, plat->gpio_rst_ind, ret);
goto err_req_rst_ind;
}
oem_gpio_irq_mask(plat->gpio_rst_ind);
oem_gpio_direction_input_for_irq(plat->gpio_rst_ind);
oem_gpio_set_irq_type(plat->gpio_rst_ind, IRQF_TRIGGER_FALLING |IRQF_TRIGGER_RISING);
ret = oem_gpio_request_irq(plat->gpio_rst_ind, gpio_irq_cbp_rst_ind,
IRQF_SHARED |IRQF_TRIGGER_FALLING |IRQF_TRIGGER_RISING,
DRIVER_NAME "(rst_ind)", cbp_rst_ind);
oem_gpio_irq_unmask(plat->gpio_rst_ind);
if (ret < 0) {
LOGPRT(LOG_ERR, "%s: %d fail to request irq for rst_ind!!\n", __func__, __LINE__);
goto err_req_irq_rst_ind;
}
#endif
plat->rst_ind_enable = true;
}
if((GPIO_OEM_VALID(plat->gpio_ap_wkup_cp)) && (GPIO_OEM_VALID(plat->gpio_cp_ready)) &&
(GPIO_OEM_VALID(plat->gpio_cp_wkup_ap)) && (GPIO_OEM_VALID(plat->gpio_ap_ready))){
sdio_tx_handle.gpio_wake = plat->gpio_ap_wkup_cp;
sdio_tx_handle.gpio_ready = plat->gpio_cp_ready;
sdio_tx_handle.polar = plat->gpio_sync_polar;
ret = asc_tx_register_handle(&sdio_tx_handle);
if(ret){
LOGPRT(LOG_ERR, "%s %d asc_tx_register_handle failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
ret = asc_tx_add_user(sdio_tx_handle.name, &sdio_tx_user);
if(ret){
LOGPRT(LOG_ERR, "%s %d asc_tx_add_user failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
sdio_rx_handle.gpio_wake = plat->gpio_cp_wkup_ap;
sdio_rx_handle.gpio_ready = plat->gpio_ap_ready;
sdio_rx_handle.polar = plat->gpio_sync_polar;
ret = asc_rx_register_handle(&sdio_rx_handle);
if(ret){
LOGPRT(LOG_ERR, "%s %d asc_rx_register_handle failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
ret = asc_rx_add_user(sdio_rx_handle.name, &sdio_rx_user);
if(ret){
LOGPRT(LOG_ERR, "%s %d asc_rx_add_user failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
plat->ipc_enable = true;
plat->tx_handle = &sdio_tx_handle;
}
ret = plat->cbp_setup(plat);
if(ret){
LOGPRT(LOG_ERR, "%s: host %s setup failed!\n", __func__, plat->host_id);
goto err_ipc;
}
cbp_power_kobj = viatel_kobject_add("power");
if (!cbp_power_kobj){
LOGPRT(LOG_ERR, "error viatel_kobject_add!\n");
ret = -ENOMEM;
goto err_create_kobj;
}
LOGPRT(LOG_INFO, " cbp initialized on host %s successfully, bus is %s !\n", plat->host_id, plat->bus);
return sysfs_create_group(cbp_power_kobj, &g_power_attr_group);
err_create_kobj:
plat->cbp_destroy();
err_ipc:
#if 0
if(GPIO_OEM_VALID(plat->gpio_rst_ind)){
free_irq(oem_gpio_to_irq(plat->gpio_rst_ind), cbp_rst_ind);
}
err_req_irq_rst_ind:
if(GPIO_OEM_VALID(plat->gpio_rst_ind)){
oem_gpio_free(plat->gpio_rst_ind);
}
#endif
err_req_rst_ind:
if(GPIO_OEM_VALID(plat->gpio_rst_ind)){
destroy_workqueue(cbp_rst_ind->reset_wq);
}
err_create_work_queue:
if(GPIO_OEM_VALID(plat->gpio_rst_ind)){
kfree(cbp_rst_ind);
}
err_kzalloc_cbp_rst_ind:
if(GPIO_OEM_VALID(plat->gpio_flow_ctrl)){
free_irq(oem_gpio_to_irq(plat->gpio_flow_ctrl), cbp_flow_ctrl);
}
err_req_irq_flow_ctrl:
if(GPIO_OEM_VALID(plat->gpio_flow_ctrl)){
oem_gpio_free(plat->gpio_flow_ctrl);
}
err_req_flow_ctrl:
if(GPIO_OEM_VALID(plat->gpio_flow_ctrl)){
kfree(cbp_flow_ctrl);
}
err_kzalloc_cbp_flow_ctrl:
if(GPIO_OEM_VALID(plat->gpio_data_ack)){
free_irq(oem_gpio_to_irq(plat->gpio_data_ack), cbp_data_ack);
}
err_req_irq_data_ack:
if(GPIO_OEM_VALID(plat->gpio_data_ack)){
oem_gpio_free(plat->gpio_data_ack);
}
err_req_data_ack:
if(GPIO_OEM_VALID(plat->gpio_data_ack)){
kfree(cbp_data_ack);
}
err_kzalloc_cbp_data_ack:
if((GPIO_OEM_VALID(plat->gpio_sd_select)) && (GPIO_OEM_VALID(plat->gpio_mc3_enable))){
oem_gpio_free(plat->gpio_sd_select);
}
err_req_sd_sel:
if((GPIO_OEM_VALID(plat->gpio_sd_select)) && (GPIO_OEM_VALID(plat->gpio_mc3_enable))){
oem_gpio_free(plat->gpio_mc3_enable);
}
out:
return ret;
}
static int cbp_probe(struct platform_device *pdev)
{
struct cbp_platform_data *plat = NULL;
int ret = -1;
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
ret = platform_device_add_data(pdev, &cbp_data, sizeof(struct cbp_platform_data));
if (ret < 0) {
hwlog_err("%s: add platform_data failed!\n", __func__);
goto err_add_data_to_platform_device;
}
plat = pdev->dev.platform_data;
/* must have platform data */
if (!plat) {
hwlog_err("%s: no platform data!\n", __func__);
ret = -EINVAL;
goto err_add_data_to_platform_device;
}
plat->gpio_data_ack = of_get_named_gpio(np, "via_data_ack", 0);
hwlog_info(">>>> %s get via_data_ack gpio %d\n", __func__, plat->gpio_data_ack);
if(GPIO_OEM_VALID(plat->gpio_data_ack)){
cbp_data_ack = kzalloc(sizeof(struct cbp_wait_event), GFP_KERNEL);
if (!cbp_data_ack){
ret = -ENOMEM;
hwlog_err("%s %d kzalloc cbp_data_ack failed \n",__func__, __LINE__);
goto err_kzalloc_cbp_data_ack;
}
init_waitqueue_head(&cbp_data_ack->wait_q);
atomic_set(&cbp_data_ack->state, MODEM_ST_UNKNOW);
cbp_data_ack->wait_gpio = plat->gpio_data_ack;
cbp_data_ack->wait_polar = plat->gpio_data_ack_polar;
hwlog_info("cbp_data_ack->wait_gpio=%d\n",cbp_data_ack->wait_gpio);
hwlog_info("cbp_data_ack->wait_polar=%d\n",cbp_data_ack->wait_polar);
ret = oem_gpio_request(plat->gpio_data_ack, DRIVER_NAME "(data_ack)");
if(ret < 0){
hwlog_err("%s: %d fail to requset data_ack gpio %d ret =%d!!\n",
__func__, __LINE__, plat->gpio_data_ack, ret);
goto err_req_data_ack;
}
oem_gpio_irq_mask(plat->gpio_data_ack);
oem_gpio_direction_input_for_irq(plat->gpio_data_ack);
//on powerup, there is ack low level to high level jump.
oem_gpio_set_irq_type(plat->gpio_data_ack, IRQF_TRIGGER_FALLING);
ret = oem_gpio_request_irq(plat->gpio_data_ack, gpio_irq_via_spi_tx_rx_fifo_empty_ack,
IRQF_SHARED | IRQF_TRIGGER_FALLING, DRIVER_NAME "(data_ack)", cbp_data_ack);
oem_gpio_irq_unmask(plat->gpio_data_ack);
if (ret < 0) {
hwlog_err("%s: %d fail to request irq for data_ack!!\n", __func__, __LINE__);
goto err_req_irq_data_ack;
}
plat->cbp_data_ack = cbp_data_ack;
plat->data_ack_wait_event = data_ack_wait_event;
plat->data_ack_enable =true;
}
plat->gpio_flow_ctrl = of_get_named_gpio(np, "via_flow_ctrl", 0);
hwlog_info(">>>> %s get via_flow_ctrl gpio %d\n", __func__, plat->gpio_flow_ctrl);
if(GPIO_OEM_VALID(plat->gpio_flow_ctrl)){
cbp_flow_ctrl = kzalloc(sizeof(struct cbp_wait_event), GFP_KERNEL);
if (!cbp_flow_ctrl){
ret = -ENOMEM;
hwlog_err("%s %d kzalloc cbp_flow_ctrl failed \n",__func__, __LINE__);
goto err_kzalloc_cbp_flow_ctrl;
}
init_waitqueue_head(&cbp_flow_ctrl->wait_q);
atomic_set(&cbp_flow_ctrl->state, FLOW_CTRL_DISABLE);
cbp_flow_ctrl->wait_gpio = plat->gpio_flow_ctrl;
cbp_flow_ctrl->wait_polar = plat->gpio_flow_ctrl_polar;
hwlog_info("cbp_flow_ctrl->wait_gpio=%d\n",cbp_flow_ctrl->wait_gpio);
hwlog_info("cbp_flow_ctrl->wait_polar=%d\n",cbp_flow_ctrl->wait_polar);
ret = oem_gpio_request(plat->gpio_flow_ctrl, DRIVER_NAME "(flow_ctrl)");
if(ret < 0){
hwlog_err("%s: %d fail to requset flow_ctrl gpio %d ret =%d!!\n",
__func__, __LINE__, plat->gpio_flow_ctrl, ret);
goto err_req_flow_ctrl;
}
oem_gpio_irq_mask(plat->gpio_flow_ctrl);
oem_gpio_direction_input_for_irq(plat->gpio_flow_ctrl);
oem_gpio_set_irq_type(plat->gpio_flow_ctrl, IRQF_TRIGGER_FALLING);
ret = oem_gpio_request_irq(plat->gpio_flow_ctrl, gpio_irq_flow_ctrl,
IRQF_SHARED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
DRIVER_NAME "(flow_ctrl)", cbp_flow_ctrl);
oem_gpio_irq_unmask(plat->gpio_flow_ctrl);
if (ret < 0) {
hwlog_err("%s: %d fail to request irq for flow_ctrl!!\n", __func__, __LINE__);
goto err_req_irq_flow_ctrl;
}
plat->cbp_flow_ctrl= cbp_flow_ctrl;
plat->flow_ctrl_wait_event = flow_ctrl_wait_event;
plat->flow_ctrl_enable = true;
}
plat->gpio_via_requst_to_send = of_get_named_gpio(np, "via_requst_to_send", 0);
hwlog_info(">>>> %s get via_requst_to_send gpio %d\n", __func__, plat->gpio_via_requst_to_send);
if(GPIO_OEM_VALID(plat->gpio_via_requst_to_send)){
ret = oem_gpio_request(plat->gpio_via_requst_to_send, DRIVER_NAME "(via_requst_to_send)");
if(ret < 0){
hwlog_err("%s: %d fail to requset flow_ctrl gpio %d ret =%d!!\n",
__func__, __LINE__, plat->gpio_via_requst_to_send, ret);
goto err_req_via_requst_to_send;
}
oem_gpio_irq_mask(plat->gpio_via_requst_to_send);
oem_gpio_direction_input_for_irq(plat->gpio_via_requst_to_send);
oem_gpio_set_irq_type(plat->gpio_via_requst_to_send, IRQF_TRIGGER_FALLING);
ret = oem_gpio_request_irq(plat->gpio_via_requst_to_send, gpio_irq_via_rts,
IRQF_SHARED | IRQF_TRIGGER_RISING,
DRIVER_NAME "(via_requst_to_send)", &cbp_data); //api request the fifth argu NOT NULL.
oem_gpio_irq_unmask(plat->gpio_via_requst_to_send);
if (ret < 0) {
hwlog_err("%s: %d fail to request irq for via_requst_to_send!!\n", __func__, __LINE__);
goto err_req_irq_via_requst_to_send;
}
}
plat->gpio_rst_ind = of_get_named_gpio(np, "via_reset_ind", 0);
hwlog_info(">>>> %s get rst_ind gpio %d\n", __func__, plat->gpio_rst_ind);
if(GPIO_OEM_VALID(plat->gpio_rst_ind)){
cbp_data.gpio_rst_ind= plat->gpio_rst_ind;
cbp_data.gpio_rst_ind_polar = plat->gpio_rst_ind_polar;
atomic_set(&cbp_rst_ind_finished, 0);
plat->rst_ind_enable = true;
}
plat->gpio_ap_wkup_cp= of_get_named_gpio(np, "via_ap_wkup_cp", 0);
hwlog_info(">>>> %s get ap_wkup_cp gpio %d\n", __func__, plat->gpio_ap_wkup_cp);
plat->gpio_cp_ready= of_get_named_gpio(np, "via_cp_ready", 0);
hwlog_info(">>>> %s get cp_ready gpio %d\n", __func__, plat->gpio_cp_ready);
plat->gpio_cp_wkup_ap= of_get_named_gpio(np, "via_cp_wkup_ap", 0);
hwlog_info(">>>> %s get cp_wkup_ap gpio %d\n", __func__, plat->gpio_cp_wkup_ap);
plat->gpio_ap_ready= of_get_named_gpio(np, "via_ap_ready", 0);
hwlog_info(">>>> %s get ap_ready gpio %d\n", __func__, plat->gpio_ap_ready);
if((GPIO_OEM_VALID(plat->gpio_ap_wkup_cp)) && (GPIO_OEM_VALID(plat->gpio_cp_ready)) &&
(GPIO_OEM_VALID(plat->gpio_cp_wkup_ap)) && (GPIO_OEM_VALID(plat->gpio_ap_ready))){
spi_tx_handle.gpio_wake = plat->gpio_ap_wkup_cp;
spi_tx_handle.gpio_ready = plat->gpio_cp_ready;
spi_tx_handle.polar = plat->gpio_sync_polar;
ret = asc_tx_register_handle(&spi_tx_handle);
if(ret){
hwlog_err("%s %d asc_tx_register_handle failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
ret = asc_tx_add_user(spi_tx_handle.name, &spi_tx_user);
if(ret){
hwlog_err("%s %d asc_tx_add_user failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
spi_rx_handle.gpio_wake = plat->gpio_cp_wkup_ap;
spi_rx_handle.gpio_ready = plat->gpio_ap_ready;
spi_rx_handle.polar = plat->gpio_sync_polar;
ret = asc_rx_register_handle(&spi_rx_handle);
if(ret){
hwlog_err("%s %d asc_rx_register_handle failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
ret = asc_rx_add_user(spi_rx_handle.name, &spi_rx_user);
if(ret){
hwlog_err("%s %d asc_rx_add_user failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
plat->ipc_enable = true;
plat->tx_handle = &spi_tx_handle;
}
ret = plat->cbp_setup(plat);
if(ret){
hwlog_err("%s: host %s setup failed!\n", __func__, plat->host_id);
goto err_ipc;
}
cbp_power_kobj = viatel_kobject_add("power");
if (!cbp_power_kobj){
hwlog_err("error viatel_kobject_add!\n");
ret = -ENOMEM;
goto err_create_kobj;
}
hwlog_debug(" cbp initialized on host %s successfully, bus is %s !\n", plat->host_id, plat->bus);
return sysfs_create_group(cbp_power_kobj, &g_power_attr_group);
err_create_kobj:
plat->cbp_destroy();
err_ipc:
if(GPIO_OEM_VALID(plat->gpio_via_requst_to_send)){
free_irq(oem_gpio_to_irq(plat->gpio_via_requst_to_send), NULL);
}
err_req_irq_via_requst_to_send:
if(GPIO_OEM_VALID(plat->gpio_via_requst_to_send)){
oem_gpio_free(plat->gpio_via_requst_to_send);
}
err_req_via_requst_to_send:
if(GPIO_OEM_VALID(plat->gpio_data_ack)){
free_irq(oem_gpio_to_irq(plat->gpio_flow_ctrl), cbp_flow_ctrl);
}
err_req_irq_flow_ctrl:
if(GPIO_OEM_VALID(plat->gpio_flow_ctrl)){
oem_gpio_free(plat->gpio_flow_ctrl);
}
err_req_flow_ctrl:
if(GPIO_OEM_VALID(plat->gpio_flow_ctrl)){
kfree(cbp_flow_ctrl);
}
err_kzalloc_cbp_flow_ctrl:
if(GPIO_OEM_VALID(plat->gpio_data_ack)){
free_irq(oem_gpio_to_irq(plat->gpio_data_ack), cbp_data_ack);
}
err_req_irq_data_ack:
if(GPIO_OEM_VALID(plat->gpio_data_ack)){
oem_gpio_free(plat->gpio_data_ack);
}
err_req_data_ack:
if(GPIO_OEM_VALID(plat->gpio_data_ack)){
kfree(cbp_data_ack);
}
err_kzalloc_cbp_data_ack:
err_add_data_to_platform_device:
return ret;
}