diff options
Diffstat (limited to 'sys/dev/usb/controller/xhci.c')
| -rw-r--r-- | sys/dev/usb/controller/xhci.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/dev/usb/controller/xhci.c b/sys/dev/usb/controller/xhci.c index fd0e254..18ebaa5 100644 --- a/sys/dev/usb/controller/xhci.c +++ b/sys/dev/usb/controller/xhci.c @@ -90,6 +90,7 @@ #ifdef USB_DEBUG static int xhcidebug; static int xhciroute; +static int xhcipolling; static SYSCTL_NODE(_hw_usb, OID_AUTO, xhci, CTLFLAG_RW, 0, "USB XHCI"); SYSCTL_INT(_hw_usb_xhci, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, @@ -98,6 +99,9 @@ TUNABLE_INT("hw.usb.xhci.debug", &xhcidebug); SYSCTL_INT(_hw_usb_xhci, OID_AUTO, xhci_port_route, CTLFLAG_RW | CTLFLAG_TUN, &xhciroute, 0, "Routing bitmap for switching EHCI ports to XHCI controller"); TUNABLE_INT("hw.usb.xhci.xhci_port_route", &xhciroute); +SYSCTL_INT(_hw_usb_xhci, OID_AUTO, use_polling, CTLFLAG_RW | CTLFLAG_TUN, + &xhcipolling, 0, "Set to enable software interrupt polling for XHCI controller"); +TUNABLE_INT("hw.usb.xhci.use_polling", &xhcipolling); #endif #define XHCI_INTR_ENDPT 1 @@ -194,6 +198,16 @@ xhci_get_port_route(void) #endif } +uint8_t +xhci_use_polling(void) +{ +#ifdef USB_DEBUG + return (xhcipolling != 0); +#else + return (0); +#endif +} + static void xhci_iterate_hw_softc(struct usb_bus *bus, usb_bus_mem_sub_cb_t *cb) { |
