diff options
| author | Kevin O'Connor <kevin@koconnor.net> | 2015-08-24 09:50:30 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2015-08-24 11:06:48 -0400 |
| commit | 2fc20dc42cf4a3131fb65c12b2825cd5daa91e7e (patch) | |
| tree | 008d37deb459770e438bc392a450c312ff6f808c | |
| parent | 9f7b2362ef9d6f8e7de54c9d245778c575bd1b23 (diff) | |
| download | seabios-2fc20dc42cf4a3131fb65c12b2825cd5daa91e7e.zip seabios-2fc20dc42cf4a3131fb65c12b2825cd5daa91e7e.tar.gz seabios-2fc20dc42cf4a3131fb65c12b2825cd5daa91e7e.tar.bz2 | |
xhci: Minor - add USB port type comments to xhci_hub_reset()
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
| -rw-r--r-- | src/hw/usb-xhci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/hw/usb-xhci.c b/src/hw/usb-xhci.c index 7fc13c4..173dff1 100644 --- a/src/hw/usb-xhci.c +++ b/src/hw/usb-xhci.c @@ -354,9 +354,11 @@ xhci_hub_reset(struct usbhub_s *hub, u32 port) switch (xhci_get_field(portsc, XHCI_PORTSC_PLS)) { case PLS_U0: + // A USB3 port - no reset necessary. rc = speed_from_xhci[xhci_get_field(portsc, XHCI_PORTSC_SPEED)]; break; case PLS_POLLING: + // A USB2 port - perform device reset and wait for completion xhci_print_port_state(3, __func__, port, portsc); portsc |= XHCI_PORTSC_PR; writel(&xhci->pr[port].portsc, portsc); |