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usb: dwc3: gadget: fix DMA offset calculation

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Fix offset calculation in dwc3_trb_dma_offset()

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Paul Zimmerman 2011-09-30 10:58:45 +03:00 committed by Greg Kroah-Hartman
parent 5275455a6e
commit c439ef87c3
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/dwc3/gadget.c
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@ -189,7 +189,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
static dma_addr_t dwc3_trb_dma_offset(struct dwc3_ep *dep, static dma_addr_t dwc3_trb_dma_offset(struct dwc3_ep *dep,
struct dwc3_trb_hw *trb) struct dwc3_trb_hw *trb)
{ {
u32 offset = trb - dep->trb_pool; u32 offset = (char *) trb - (char *) dep->trb_pool;
return dep->trb_pool_dma + offset; return dep->trb_pool_dma + offset;
} }