summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget/net2272.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/usb/gadget/net2272.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/gadget/net2272.c')
-rw-r--r--drivers/usb/gadget/net2272.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c
index 7322d293213e..43ac7482fa91 100644
--- a/drivers/usb/gadget/net2272.c
+++ b/drivers/usb/gadget/net2272.c
@@ -42,7 +42,6 @@
#include <linux/usb/gadget.h>
#include <asm/byteorder.h>
-#include <asm/system.h>
#include <asm/unaligned.h>
#include "net2272.h"
@@ -385,12 +384,9 @@ net2272_done(struct net2272_ep *ep, struct net2272_request *req, int status)
status = req->req.status;
dev = ep->dev;
- if (use_dma && req->mapped) {
- dma_unmap_single(dev->dev, req->req.dma, req->req.length,
- ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
- req->req.dma = DMA_ADDR_INVALID;
- req->mapped = 0;
- }
+ if (use_dma && ep->dma)
+ usb_gadget_unmap_request(&dev->gadget, &req->req,
+ ep->is_in);
if (status && status != -ESHUTDOWN)
dev_vdbg(dev->dev, "complete %s req %p stat %d len %u/%u buf %p\n",
@@ -850,10 +846,11 @@ net2272_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
return -ESHUTDOWN;
/* set up dma mapping in case the caller didn't */
- if (use_dma && ep->dma && _req->dma == DMA_ADDR_INVALID) {
- _req->dma = dma_map_single(dev->dev, _req->buf, _req->length,
- ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
- req->mapped = 1;
+ if (use_dma && ep->dma) {
+ status = usb_gadget_map_request(&dev->gadget, _req,
+ ep->is_in);
+ if (status)
+ return status;
}
dev_vdbg(dev->dev, "%s queue req %p, len %d buf %p dma %08llx %s\n",