static void bam2bam_data_suspend_work(struct work_struct *w)
{
struct bam_data_port *port =
container_of(w, struct bam_data_port, suspend_w);
struct bam_data_ch_info *d = &port->data_ch;
int ret;
pr_debug("%s: suspend work started\n", __func__);
if (!port->is_connected) {
pr_info("%s: Port is disconnected. Bailing out.\n", __func__);
return;
}
ret = usb_bam_register_wake_cb(d->dst_connection_idx,
bam_data_wake_cb, port);
if (ret) {
pr_err("%s(): Failed to register BAM wake callback.\n",
__func__);
return;
}
if (d->trans == USB_GADGET_XPORT_BAM2BAM_IPA) {
usb_bam_register_start_stop_cbs(d->dst_connection_idx,
bam_data_start, bam_data_stop,
port);
usb_bam_suspend(&d->ipa_params);
}
}
static void bam2bam_data_suspend_work(struct work_struct *w)
{
struct bam_data_port *port =
container_of(w, struct bam_data_port, suspend_w);
struct bam_data_ch_info *d = &port->data_ch;
pr_debug("%s: suspend work started\n", __func__);
usb_bam_register_wake_cb(d->dst_connection_idx, bam_data_wake_cb, port);
if (d->trans == USB_GADGET_XPORT_BAM2BAM_IPA) {
usb_bam_register_start_stop_cbs(bam_data_start, bam_data_stop,
port);
usb_bam_suspend(&d->ipa_params);
}
}
/**
* ipa_data_suspend() - Initiate USB BAM IPA suspend functionality
* @gp: Gadget IPA port
* @port_num: port number used by function
*
* It is being used to initiate USB BAM IPA suspend functionality
* for USB bus suspend functionality.
*/
void ipa_data_suspend(struct gadget_ipa_port *gp, u8 port_num)
{
struct ipa_data_ch_info *port;
int ret;
pr_debug("dev:%p port number:%d\n", gp, port_num);
if (port_num >= n_ipa_ports) {
pr_err("invalid ipa portno#%d\n", port_num);
return;
}
if (!gp) {
pr_err("data port is null\n");
return;
}
port = ipa_data_ports[port_num];
if (!port) {
pr_err("port %u is NULL", port_num);
return;
}
pr_debug("%s: suspend started\n", __func__);
ret = usb_bam_register_wake_cb(port->dst_connection_idx,
NULL, port);
if (ret) {
pr_err("%s(): Failed to register BAM wake callback.\n",
__func__);
return;
}
usb_bam_register_start_stop_cbs(port->dst_connection_idx,
ipa_data_start, ipa_data_stop, port);
usb_bam_suspend(&port->ipa_params);
}