diff options
| author | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
|---|---|---|
| committer | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
| commit | 170b5910d9fbea79de1bb40df22eda5f98250c0c (patch) | |
| tree | ca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /drivers/usb/musb/musb_host.c | |
| parent | 47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff) | |
| parent | 1860e379875dfe7271c649058aeddffe5afd9d0d (diff) | |
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'drivers/usb/musb/musb_host.c')
| -rw-r--r-- | drivers/usb/musb/musb_host.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index abb38c3833ef..eb06291a40c8 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -1694,7 +1694,8 @@ void musb_host_rx(struct musb *musb, u8 epnum) | MUSB_RXCSR_RXPKTRDY); musb_writew(hw_ep->regs, MUSB_RXCSR, val); -#if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_UX500_DMA) +#if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_UX500_DMA) || \ + defined(CONFIG_USB_TI_CPPI41_DMA) if (usb_pipeisoc(pipe)) { struct usb_iso_packet_descriptor *d; @@ -1707,10 +1708,30 @@ void musb_host_rx(struct musb *musb, u8 epnum) if (d->status != -EILSEQ && d->status != -EOVERFLOW) d->status = 0; - if (++qh->iso_idx >= urb->number_of_packets) + if (++qh->iso_idx >= urb->number_of_packets) { done = true; - else + } else { +#if defined(CONFIG_USB_TI_CPPI41_DMA) + struct dma_controller *c; + dma_addr_t *buf; + u32 length, ret; + + c = musb->dma_controller; + buf = (void *) + urb->iso_frame_desc[qh->iso_idx].offset + + (u32)urb->transfer_dma; + + length = + urb->iso_frame_desc[qh->iso_idx].length; + + val |= MUSB_RXCSR_DMAENAB; + musb_writew(hw_ep->regs, MUSB_RXCSR, val); + + ret = c->channel_program(dma, qh->maxpacket, + 0, (u32) buf, length); +#endif done = false; + } } else { /* done if urb buffer is full or short packet is recd */ @@ -1750,7 +1771,8 @@ void musb_host_rx(struct musb *musb, u8 epnum) } /* we are expecting IN packets */ -#if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_UX500_DMA) +#if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_UX500_DMA) || \ + defined(CONFIG_USB_TI_CPPI41_DMA) if (dma) { struct dma_controller *c; u16 rx_count; |