int comcerto_xhci_bus_suspend(struct usb_hcd *hcd)
{
int error_status = 0;
int val;
if (usb3_suspended) {
pr_err("comcerto_xhci_bus_suspend: USB 3.0 Already Suspended \n");
return error_status;
}
error_status = xhci_bus_suspend(hcd);
if (!error_status) {
/* APPLYING THE RESET TO USB3 UTMI */
c2000_block_reset(COMPONENT_UTMI_USB1, 1);
/* APPLYING THE RESET TO USB3 PHY */
c2000_block_reset(COMPONENT_USB1_PHY, 1);
/* Disable the Clock */
clk_disable(usb3_clk);
usb3_suspended = 1;
}
return error_status;
}
static int mxhci_hsic_bus_suspend(struct usb_hcd *hcd)
{
struct mxhci_hsic_hcd *mxhci = hcd_to_hsic(hcd->primary_hcd);
int ret;
/* don't miss connect bus state from peripheral for USB 2.0 root hub */
if (usb_hcd_is_primary_hcd(hcd) &&
!(readl_relaxed(MSM_HSIC_PORTSC) & PORT_PE)) {
dev_err(mxhci->dev, "%s: port is not enabled; skip suspend\n",
__func__);
return -EAGAIN;
}
ret = xhci_bus_suspend(hcd);
xhci_dbg_log_event(&dbg_hsic, NULL, "Suspend RH", ret);
return ret;
}
