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author | Greg Kroah-Hartman | 2012-03-01 18:20:28 +0100 |
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committer | Greg Kroah-Hartman | 2012-03-01 18:20:28 +0100 |
commit | f9b0f5170918695891f42645737682ccb452ee13 (patch) | |
tree | 75eaab0ff54f8aadaa6375df140cc9d685f78d95 /drivers/usb/gadget/net2272.c | |
parent | Merge tag 'xceiv-for-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/b... (diff) | |
parent | usb: gadget: goku: use generic map/unmap routines (diff) | |
download | kernel-qcow2-linux-f9b0f5170918695891f42645737682ccb452ee13.tar.gz kernel-qcow2-linux-f9b0f5170918695891f42645737682ccb452ee13.tar.xz kernel-qcow2-linux-f9b0f5170918695891f42645737682ccb452ee13.zip |
Merge tag 'gadget-for-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
USB: Gadget: changes for 3.4
This merge is rather big. Here's what it contains:
For am5536udc we have just simple coding style fixes. Nothing that has any
potential to cause any issues going forward.
With mv_udc, there's only one single change removing an unneeded NULL check.
at91_udc also only saw a single change this merge window, and that's only
removing a duplicated header.
The Renesas controller has a few more involved changes. Support for SUDMAC was
added, there's now a special handling of IRQ resources for when the IRQ line is
shared between Renesas controller and SUDMAC, we also had a bug fix where
Renesas controller would sleep in atomic context while doing DMA transfers from
a tasklet. There were also a set of minor cleanups.
The FSL UDC also had a scheduling in atomic context bug fix, but that's all.
Thanks to Sebastian, the dummy_hcd now works better than ever with support for
scatterlists and streams. Sebastian also added SuperSpeed descriptors to the
serial gadgets.
The highlight on this merge is the addition of a generic API for mapping and
unmapping usb_requests. This will avoid code duplication on all UDC controllers
and also kills all the defines for DMA_ADDR_INVALID which UDC controllers
sprinkled around. A few of the UDC controllers were already converted to use
this new API.
Conflicts:
drivers/usb/dwc3/gadget.c
Diffstat (limited to 'drivers/usb/gadget/net2272.c')
-rw-r--r-- | drivers/usb/gadget/net2272.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c index 7322d293213e..01ae56f47174 100644 --- a/drivers/usb/gadget/net2272.c +++ b/drivers/usb/gadget/net2272.c @@ -385,12 +385,9 @@ 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 +847,11 @@ 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", |