Increment qtd->isoc_frame_index_last before testing it, else below check will never be true and IOC (Interrupt On Complete) bit for last frame will never be set in descriptor status. /* Set IOC for each descriptor corresponding to last frame of URB */ if (qtd->isoc_frame_index_last == qtd->urb->packet_count) dma_desc->status |= HOST_DMA_IOC; Signed-off-by: Gregory Herrero <gregory.herrero@xxxxxxxxx> --- drivers/usb/dwc2/hcd_ddma.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c index 78993ab..4b0be93 100644 --- a/drivers/usb/dwc2/hcd_ddma.c +++ b/drivers/usb/dwc2/hcd_ddma.c @@ -524,14 +524,15 @@ static void dwc2_fill_host_isoc_dma_desc(struct dwc2_hsotg *hsotg, dma_desc->status = qh->n_bytes[idx] << HOST_DMA_ISOC_NBYTES_SHIFT & HOST_DMA_ISOC_NBYTES_MASK; + qh->ntd++; + qtd->isoc_frame_index_last++; + #ifdef ISOC_URB_GIVEBACK_ASAP /* Set IOC for each descriptor corresponding to last frame of URB */ if (qtd->isoc_frame_index_last == qtd->urb->packet_count) dma_desc->status |= HOST_DMA_IOC; #endif - qh->ntd++; - qtd->isoc_frame_index_last++; } static void dwc2_init_isoc_dma_desc(struct dwc2_hsotg *hsotg, -- 2.6.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
