diff options
| author | thompsa <thompsa@FreeBSD.org> | 2009-02-24 03:39:13 +0000 |
|---|---|---|
| committer | thompsa <thompsa@FreeBSD.org> | 2009-02-24 03:39:13 +0000 |
| commit | 52d3d977f2de81ca9ba58421e2604e4dea50769a (patch) | |
| tree | 1869f274de96104eda5ee5434a1ef95e7bb49ea5 /sys/dev/usb/usb_request.c | |
| parent | 4878fe35241ded8d8401076a92b67980f7db7f43 (diff) | |
| download | FreeBSD-src-52d3d977f2de81ca9ba58421e2604e4dea50769a.zip FreeBSD-src-52d3d977f2de81ca9ba58421e2604e4dea50769a.tar.gz | |
MFp4 //depot/projects/usb@157853
Clean up old way of polling the USB hardware. The existing polling support was
a bit hackish.
Submitted by: Hans Petter Selasky
Diffstat (limited to 'sys/dev/usb/usb_request.c')
| -rw-r--r-- | sys/dev/usb/usb_request.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/sys/dev/usb/usb_request.c b/sys/dev/usb/usb_request.c index 3d19442..2626f9c 100644 --- a/sys/dev/usb/usb_request.c +++ b/sys/dev/usb/usb_request.c @@ -201,10 +201,6 @@ tr_setup: * o USB_SHORT_XFER_OK: allows the data transfer to be shorter than * specified * - * o USB_USE_POLLING: forces the transfer to complete from the - * current context by polling the interrupt handler. This flag can be - * used to perform USB transfers after that the kernel has crashed. - * * o USB_DELAY_STATUS_STAGE: allows the status stage to be performed * at a later point in time. This is tunable by the "hw.usb.ss_delay" * sysctl. This flag is mostly useful for debugging. @@ -385,12 +381,8 @@ usb2_do_request_flags(struct usb2_device *udev, struct mtx *mtx, usb2_transfer_start(xfer); while (usb2_transfer_pending(xfer)) { - if ((flags & USB_USE_POLLING) || cold) { - usb2_do_poll(udev->default_xfer, USB_DEFAULT_XFER_MAX); - } else { - usb2_cv_wait(udev->default_cv, - xfer->xroot->xfer_mtx); - } + usb2_cv_wait(udev->default_cv, + xfer->xroot->xfer_mtx); } err = xfer->error; |
