Hi,
Rick Tseng <rtseng@xxxxxxxxxx> writes:
> +static int xhci_poll_cnr(struct usb_hcd *hcd)
> +{
> + struct xhci_hcd *xhci = hcd_to_xhci(hcd);
> + void __iomem *reg = &xhci->op_regs->status;
> + u32 result;
> + int ret;
> +
> + ret = readl_poll_timeout_atomic(reg, result,
> + (result & STS_CNR) == 0,
> + 1, 100 * 1000);
> + return ret;
> +}
> +
instead of defining your own function...
> static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
> {
> struct xhci_hcd *xhci = hcd_to_xhci(hcd);
> @@ -508,6 +522,12 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
> if (pdev->vendor == PCI_VENDOR_ID_INTEL)
> usb_enable_intel_xhci_ports(pdev);
>
> + if (pdev->vendor == PCI_VENDOR_ID_NVIDIA) {
> + retval = xhci_poll_cnr(hcd);
you could just use xhci_handshake() here, right?
--
balbi
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