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[src/nick-nhusb]: src/sys/dev/usb Perform required DMA operation on bulk tran...
details: https://anonhg.NetBSD.org/src/rev/ea45de4f9954
branches: nick-nhusb
changeset: 804450:ea45de4f9954
user: skrll <skrll%NetBSD.org@localhost>
date: Sun Nov 08 15:15:50 2015 +0000
description:
Perform required DMA operation on bulk transfers
diffstat:
sys/dev/usb/uhci.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diffs (39 lines):
diff -r 9cdf6a56f6c8 -r ea45de4f9954 sys/dev/usb/uhci.c
--- a/sys/dev/usb/uhci.c Sun Nov 08 14:59:13 2015 +0000
+++ b/sys/dev/usb/uhci.c Sun Nov 08 15:15:50 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: uhci.c,v 1.264.4.50 2015/11/08 14:56:21 skrll Exp $ */
+/* $NetBSD: uhci.c,v 1.264.4.51 2015/11/08 15:15:50 skrll Exp $ */
/*
* Copyright (c) 1998, 2004, 2011, 2012 The NetBSD Foundation, Inc.
@@ -42,7 +42,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uhci.c,v 1.264.4.50 2015/11/08 14:56:21 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uhci.c,v 1.264.4.51 2015/11/08 15:15:50 skrll Exp $");
#include "opt_usb.h"
@@ -3122,6 +3122,9 @@
struct uhci_xfer *ux = UHCI_XFER2UXFER(xfer);
uhci_softc_t *sc = UHCI_XFER2SC(xfer);
struct uhci_pipe *upipe = UHCI_PIPE2UPIPE(xfer->ux_pipe);
+ usb_endpoint_descriptor_t *ed = xfer->ux_pipe->up_endpoint->ue_edesc;
+ int endpt = ed->bEndpointAddress;
+ int isread = UE_GET_DIR(endpt) == UE_DIR_IN;
UHCIHIST_FUNC(); UHCIHIST_CALLED();
DPRINTFN(5, "xfer=%p ux=%p sc=%p upipe=%p", xfer, ux, sc,
@@ -3137,6 +3140,10 @@
uhci_remove_bulk(sc, upipe->bulk.sqh);
uhci_free_std_chain(sc, ux->ux_stdstart, NULL);
+ if (xfer->ux_length) {
+ usb_syncmem(&xfer->ux_dmabuf, 0, xfer->ux_length,
+ isread ? BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
+ }
DPRINTFN(5, "length=%d", xfer->ux_actlen, 0, 0, 0);
}
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