diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/usb/uhci.c | 28 |
1 files changed, 2 insertions, 26 deletions
diff --git a/sys/dev/usb/uhci.c b/sys/dev/usb/uhci.c index 06e7f923e0782..34b24dde1830e 100644 --- a/sys/dev/usb/uhci.c +++ b/sys/dev/usb/uhci.c @@ -581,32 +581,8 @@ uhci_detach(struct uhci_softc *sc, int flags) usbd_status uhci_allocm(struct usbd_bus *bus, usb_dma_t *dma, u_int32_t size) { - struct uhci_softc *sc = (struct uhci_softc *)bus; - u_int32_t n; - - /* - * XXX - * Since we are allocating a buffer we can assume that we will - * need TDs for it. Since we don't want to allocate those from - * an interrupt context, we allocate them here and free them again. - * This is no guarantee that we'll get the TDs next time... - */ - n = size / 8; - if (n > 16) { - u_int32_t i; - uhci_soft_td_t **stds; - DPRINTF(("uhci_allocm: get %d TDs\n", n)); - stds = malloc(sizeof(uhci_soft_td_t *) * n, M_TEMP, - M_WAITOK|M_ZERO); - for(i=0; i < n; i++) - stds[i] = uhci_alloc_std(sc); - for(i=0; i < n; i++) - if (stds[i] != NULL) - uhci_free_std(sc, stds[i]); - free(stds, M_TEMP); - } - - return (usb_allocmem(&sc->sc_bus, size, 0, dma)); + return (usb_allocmem(&((struct uhci_softc *)bus)->sc_bus, size, 0, + dma)); } void |