diff options
Diffstat (limited to 'drivers/usb/musb')
| -rw-r--r-- | drivers/usb/musb/musb_gadget.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index b47f66d32b4..d35a375c607 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -627,7 +627,7 @@ static void rxstate(struct musb *musb, struct musb_request *req) struct dma_controller *c; struct dma_channel *channel; int use_dma = 0; - int transfer_size; + unsigned int transfer_size; c = musb->dma_controller; channel = musb_ep->dma; @@ -669,10 +669,11 @@ static void rxstate(struct musb *musb, struct musb_request *req) csr | MUSB_RXCSR_DMAMODE); musb_writew(epio, MUSB_RXCSR, csr); - transfer_size = min(request->length - request->actual, + transfer_size = min_t(unsigned int, + request->length - + request->actual, channel->max_len); musb_ep->dma->desired_mode = 1; - } else { if (!musb_ep->hb_mult && musb_ep->hw_ep->rx_double_buffered) @@ -702,7 +703,7 @@ static void rxstate(struct musb *musb, struct musb_request *req) struct dma_controller *c; struct dma_channel *channel; - int transfer_size = 0; + unsigned int transfer_size = 0; c = musb->dma_controller; channel = musb_ep->dma; @@ -711,11 +712,13 @@ static void rxstate(struct musb *musb, struct musb_request *req) if (fifo_count < musb_ep->packet_sz) transfer_size = fifo_count; else if (request->short_not_ok) - transfer_size = min(request->length - + transfer_size = min_t(unsigned int, + request->length - request->actual, channel->max_len); else - transfer_size = min(request->length - + transfer_size = min_t(unsigned int, + request->length - request->actual, (unsigned)fifo_count); |