dma_mapping_error function unable to works in PowerPC arch
when MUSB do not use DMA (illegal memory access). Proposed
patch replace its usage to usual define for checking DMA mapping.
Signed-off-by: Alexey Spirkov <alex...@astrosoft.ru>
---
drivers/usb/musb/musb_gadget.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index eae8b1b..3bc7c25 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -140,7 +140,7 @@ __acquires(ep->musb->lock)
ep->busy = 1;
spin_unlock(&musb->lock);
- if (!dma_mapping_error(&musb->g.dev, request->dma))
+ if (req && is_buffer_mapped(req))
unmap_dma_buffer(req, musb);
trace_musb_req_gb(req);
--
2.9.5
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