diff options
| -rw-r--r-- | payloads/libpayload/drivers/usb/xhci_events.c | 14 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/usb/xhci_private.h | 11 |
2 files changed, 13 insertions, 12 deletions
diff --git a/payloads/libpayload/drivers/usb/xhci_events.c b/payloads/libpayload/drivers/usb/xhci_events.c index 391ebf6126..dacb5d8618 100644 --- a/payloads/libpayload/drivers/usb/xhci_events.c +++ b/payloads/libpayload/drivers/usb/xhci_events.c @@ -311,15 +311,15 @@ int xhci_wait_for_transfer(xhci_t *const xhci, const int slot_id, const int ep_id) { xhci_spew("Waiting for transfer on ID %d EP %d\n", slot_id, ep_id); - /* 2s for all types of transfers */ /* TODO: test, wait longer? */ - unsigned long timeout_us = 2 * 1000 * 1000; - int cc = TIMEOUT; + /* 3s for all types of transfers */ /* TODO: test, wait longer? */ + unsigned long timeout_us = 3 * 1000 * 1000; + int ret = TIMEOUT; while (xhci_wait_for_event_type(xhci, TRB_EV_TRANSFER, &timeout_us)) { if (TRB_GET(ID, xhci->er.cur) == slot_id && TRB_GET(EP, xhci->er.cur) == ep_id) { - cc = -TRB_GET(CC, xhci->er.cur); - if (cc == -CC_SUCCESS || cc == -CC_SHORT_PACKET) - cc = TRB_GET(EVTL, xhci->er.cur); + ret = -TRB_GET(CC, xhci->er.cur); + if (ret == -CC_SUCCESS || ret == -CC_SHORT_PACKET) + ret = TRB_GET(EVTL, xhci->er.cur); xhci_advance_event_ring(xhci); break; } @@ -329,5 +329,5 @@ xhci_wait_for_transfer(xhci_t *const xhci, const int slot_id, const int ep_id) if (!timeout_us) xhci_debug("Warning: Timed out waiting for TRB_EV_TRANSFER.\n"); xhci_update_event_dq(xhci); - return cc; + return ret; } diff --git a/payloads/libpayload/drivers/usb/xhci_private.h b/payloads/libpayload/drivers/usb/xhci_private.h index 26f7666539..05cf195235 100644 --- a/payloads/libpayload/drivers/usb/xhci_private.h +++ b/payloads/libpayload/drivers/usb/xhci_private.h @@ -46,11 +46,12 @@ #define MASK(startbit, lenbit) (((1<<(lenbit))-1)<<(startbit)) -#define TIMEOUT -1 -#define CONTROLLER_ERROR -2 -#define COMMUNICATION_ERROR -3 -#define OUT_OF_MEMORY -4 -#define DRIVER_ERROR -5 +/* Make these high enough to not collide with negative XHCI CCs */ +#define TIMEOUT -65 +#define CONTROLLER_ERROR -66 +#define COMMUNICATION_ERROR -67 +#define OUT_OF_MEMORY -68 +#define DRIVER_ERROR -69 #define CC_SUCCESS 1 #define CC_TRB_ERROR 5 |