Hi,
Jim Dickerson <jim.dickerson@xxxxxxx> writes:
> Servers were emitting failed handoff messages but were not
> waiting the full 1 second as designated in section 4.22.1 of
> the eXtensible Host Controller Interface specifications. The
> handshake was using wrong units so calls were made with milliseconds
> not microseconds. Comments referenced 5 seconds not 1 second as
> in specs.
>
> The wrong units were also corrected in a second handshake call.
>
> Signed-off-by: Jim Dickerson <jim.dickerson@xxxxxxx>
> ---
> drivers/usb/host/pci-quirks.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
> index c8f3864..abc9436 100644
> --- a/drivers/usb/host/pci-quirks.c
> +++ b/drivers/usb/host/pci-quirks.c
> @@ -1068,9 +1068,9 @@ static void quirk_usb_handoff_xhci(struct pci_dev *pdev)
> if (val & XHCI_HC_BIOS_OWNED) {
> writel(val | XHCI_HC_OS_OWNED, base + ext_cap_offset);
>
> - /* Wait for 5 seconds with 10 microsecond polling interval */
> + /* Wait for 1 seconds with 10 microsecond polling interval */
^^^^^^^
second
--
balbi
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