diff options
| -rw-r--r-- | drivers/usb/musb/musb_cppi41.c | 2 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_dma.h | 1 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_host.c | 3 |
3 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index 7b8bbf53127e..4187ef1fab29 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -139,6 +139,7 @@ static void cppi41_trans_done(struct cppi41_dma_channel *cppi41_channel) cppi41_channel->channel.actual_len = cppi41_channel->transferred; cppi41_channel->channel.status = MUSB_DMA_STATUS_FREE; + cppi41_channel->channel.rx_packet_done = true; musb_dma_completion(musb, hw_ep->epnum, cppi41_channel->is_tx); } else { /* next iteration, reload */ @@ -450,6 +451,7 @@ static bool cppi41_configure_channel(struct dma_channel *channel, dma_desc->callback = cppi41_dma_callback; dma_desc->callback_param = channel; cppi41_channel->cookie = dma_desc->tx_submit(dma_desc); + cppi41_channel->channel.rx_packet_done = false; save_rx_toggle(cppi41_channel); dma_async_issue_pending(dc); diff --git a/drivers/usb/musb/musb_dma.h b/drivers/usb/musb/musb_dma.h index 1345a4ff041a..1d44faa86252 100644 --- a/drivers/usb/musb/musb_dma.h +++ b/drivers/usb/musb/musb_dma.h @@ -129,6 +129,7 @@ struct dma_channel { size_t actual_len; enum dma_channel_status status; bool desired_mode; + bool rx_packet_done; }; /* diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 3381fa56db29..88435cd7fe3d 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -1737,7 +1737,8 @@ void musb_host_rx(struct musb *musb, u8 epnum) /* done if urb buffer is full or short packet is recd */ done = (urb->actual_length + xfer_len >= urb->transfer_buffer_length - || dma->actual_len < qh->maxpacket); + || dma->actual_len < qh->maxpacket + || dma->rx_packet_done); } /* send IN token for next packet, without AUTOREQ */ |