diff options
| author | Robert Nagy <robert@cvs.openbsd.org> | 2008-06-15 03:44:32 +0000 |
|---|---|---|
| committer | Robert Nagy <robert@cvs.openbsd.org> | 2008-06-15 03:44:32 +0000 |
| commit | e2b288c5da87c94f6e35c274a8ff25c7000099fd (patch) | |
| tree | a70269f76322491f2a9f9830fde3678ec5f2b67c /sys | |
| parent | 6674dd287eb43509ec3f0dd3ef3627b4c93520f1 (diff) | |
if we are trying to attach to ehci(4) notify the user to disable it
because it does not support isochronous transfers yet. we hope that
we can remove this as soon as possible. discussed with deraadt@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/usb/uvideo.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/dev/usb/uvideo.c b/sys/dev/usb/uvideo.c index d2ee8c5615d..13907588f6b 100644 --- a/sys/dev/usb/uvideo.c +++ b/sys/dev/usb/uvideo.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvideo.c,v 1.35 2008/06/13 18:04:56 mglocker Exp $ */ +/* $OpenBSD: uvideo.c,v 1.36 2008/06/15 03:44:31 robert Exp $ */ /* * Copyright (c) 2008 Robert Nagy <robert@openbsd.org> @@ -36,8 +36,11 @@ #include <sys/poll.h> #include <uvm/uvm.h> +#include <machine/bus.h> + #include <dev/usb/usb.h> #include <dev/usb/usbdi.h> +#include <dev/usb/usbdivar.h> #include <dev/usb/usbdi_util.h> #include <dev/usb/usbdevs.h> #include <dev/usb/uvideo.h> @@ -320,6 +323,12 @@ uvideo_attach(struct device * parent, struct device * self, void *aux) sc->sc_udev = uaa->device; + if (uaa->device->bus->usbrev == USBREV_2_0) { + printf("%s: ehci(4) does not support isochronous transfers " + "yet, disable it.\n", DEVNAME(sc)); + return; + } + /* get the config descriptor */ cdesc = usbd_get_config_descriptor(sc->sc_udev); if (cdesc == NULL) { |