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| author | Christoph Hellwig <hch@lst.de> | 2019-02-01 09:47:56 +0100 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-02-11 15:30:14 +0200 |
| commit | e26bdb013150b055f9a5a8c1e6026528ee383ba4 (patch) | |
| tree | c82bde56e3b67a7f3960de83b51eeb9922988252 /drivers/usb/gadget/udc | |
| parent | 8c7ffa5ebd4e56ac0a7dcc70fa6da94171d8985d (diff) | |
| download | linux-e26bdb013150b055f9a5a8c1e6026528ee383ba4.tar.gz linux-e26bdb013150b055f9a5a8c1e6026528ee383ba4.tar.bz2 linux-e26bdb013150b055f9a5a8c1e6026528ee383ba4.zip | |
fotg210-udc: pass struct device to DMA API functions
The DMA API generally relies on a struct device to work properly, and
only barely works without one for legacy reasons. Pass the easily
available struct device from the platform_device to remedy this.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/gadget/udc')
| -rw-r--r-- | drivers/usb/gadget/udc/fotg210-udc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index fe9cf415f2f1..cec49294bac6 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -326,6 +326,7 @@ dma_reset: static void fotg210_start_dma(struct fotg210_ep *ep, struct fotg210_request *req) { + struct device *dev = &ep->fotg210->gadget.dev; dma_addr_t d; u8 *buffer; u32 length; @@ -348,10 +349,10 @@ static void fotg210_start_dma(struct fotg210_ep *ep, length = req->req.length; } - d = dma_map_single(NULL, buffer, length, + d = dma_map_single(dev, buffer, length, ep->dir_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - if (dma_mapping_error(NULL, d)) { + if (dma_mapping_error(dev, d)) { pr_err("dma_mapping_error\n"); return; } @@ -366,7 +367,7 @@ static void fotg210_start_dma(struct fotg210_ep *ep, /* update actual transfer length */ req->req.actual += length; - dma_unmap_single(NULL, d, length, DMA_TO_DEVICE); + dma_unmap_single(dev, d, length, DMA_TO_DEVICE); } static void fotg210_ep0_queue(struct fotg210_ep *ep, |