diff options
Diffstat (limited to 'payloads/libpayload/drivers/usb/ohci.c')
| -rw-r--r-- | payloads/libpayload/drivers/usb/ohci.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/payloads/libpayload/drivers/usb/ohci.c b/payloads/libpayload/drivers/usb/ohci.c index ecd1084005..f1dc081656 100644 --- a/payloads/libpayload/drivers/usb/ohci.c +++ b/payloads/libpayload/drivers/usb/ohci.c @@ -292,14 +292,13 @@ ohci_stop (hci_t *controller) OHCI_INST (controller)->opreg->HcControl &= ~PeriodicListEnable; } +#define OHCI_SLEEP_TIME_US 1000 + static int wait_for_ed(usbdev_t *dev, ed_t *head, int pages) { /* wait for results */ - /* TOTEST: how long to wait? - * give 2s per TD (2 pages) plus another 2s for now - */ - int timeout = pages*1000 + 2000; + int timeout = USB_MAX_PROCESSING_TIME_US / OHCI_SLEEP_TIME_US; while (((head->head_pointer & ~3) != head->tail_pointer) && !(head->head_pointer & 1) && ((((td_t*)phys_to_virt(head->head_pointer & ~3))->config @@ -315,9 +314,9 @@ wait_for_ed(usbdev_t *dev, ed_t *head, int pages) ((td_t*)phys_to_virt(head->head_pointer & ~3))->next_td, head->tail_pointer, (((td_t*)phys_to_virt(head->head_pointer & ~3))->config & TD_CC_MASK) >> TD_CC_SHIFT); - mdelay(1); + udelay(OHCI_SLEEP_TIME_US); } - if (timeout < 0) + if (timeout <= 0) usb_debug("Error: ohci: endpoint " "descriptor processing timed out.\n"); /* Clear the done queue. */ |