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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2012-01-24 12:44:34 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-01-24 15:43:17 +0200 |
| commit | c09d6b51d78f5ad33417dbac9b479bd6709f9f25 (patch) | |
| tree | 864f308145130a6967ab6d6508c033aff47330c7 /drivers | |
| parent | 24307caef4950e42e7875a901856ed8816c4679c (diff) | |
| download | linux-c09d6b51d78f5ad33417dbac9b479bd6709f9f25.tar.gz linux-c09d6b51d78f5ad33417dbac9b479bd6709f9f25.tar.bz2 linux-c09d6b51d78f5ad33417dbac9b479bd6709f9f25.zip | |
usb: dwc3: unmap the proper number of sg entries
num_sgs contains the number of sgs assigned by the gadget.
num_mapped_sgs contains the number of mapped sgs which may differ from
the gadget's values. For dma_unmap_sg() we have to provide the value
which was returned by dma_map_sg().
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index a696bde53222..064b6e2cd411 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -101,7 +101,7 @@ void dwc3_unmap_buffer_from_dma(struct dwc3_request *req) if (req->request.num_mapped_sgs) { req->request.dma = DMA_ADDR_INVALID; dma_unmap_sg(dwc->dev, req->request.sg, - req->request.num_sgs, + req->request.num_mapped_sgs, req->direction ? DMA_TO_DEVICE : DMA_FROM_DEVICE); |