Module Name: src Committed By: christos Date: Tue Jan 15 23:57:13 UTC 2013
Modified Files: src/sys/dev/usb: usbdi.c Log Message: Don't do the xfer once, wait till it is done. I did not find this, someone else did. Fixes slow devices such as scanners. To generate a diff of this commit: cvs rdiff -u -r1.142 -r1.143 src/sys/dev/usb/usbdi.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/usb/usbdi.c diff -u src/sys/dev/usb/usbdi.c:1.142 src/sys/dev/usb/usbdi.c:1.143 --- src/sys/dev/usb/usbdi.c:1.142 Sat Jan 5 18:34:20 2013 +++ src/sys/dev/usb/usbdi.c Tue Jan 15 18:57:13 2013 @@ -1,4 +1,4 @@ -/* $NetBSD: usbdi.c,v 1.142 2013/01/05 23:34:20 christos Exp $ */ +/* $NetBSD: usbdi.c,v 1.143 2013/01/15 23:57:13 christos Exp $ */ /* * Copyright (c) 1998, 2012 The NetBSD Foundation, Inc. @@ -31,7 +31,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: usbdi.c,v 1.142 2013/01/05 23:34:20 christos Exp $"); +__KERNEL_RCSID(0, "$NetBSD: usbdi.c,v 1.143 2013/01/15 23:57:13 christos Exp $"); #ifdef _KERNEL_OPT #include "opt_compat_netbsd.h" @@ -319,7 +319,7 @@ usbd_transfer(usbd_xfer_handle xfer) if (err != USBD_IN_PROGRESS) return (err); usbd_lock_pipe(pipe); - if (!xfer->done) { + while (!xfer->done) { if (pipe->device->bus->use_polling) panic("usbd_transfer: not done");