diff options
Diffstat (limited to 'drivers/usb/dwc3/ep0.c')
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 803ba5198b..977d6d4fd2 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -74,6 +74,9 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma, | DWC3_TRB_CTRL_IOC | DWC3_TRB_CTRL_ISP_IMI); + dwc3_flush_cache((int)buf_dma, len); + dwc3_flush_cache((int)trb, sizeof(*trb)); + memset(¶ms, 0, sizeof(params)); params.param0 = upper_32_bits(dwc->ep0_trb_addr); params.param1 = lower_32_bits(dwc->ep0_trb_addr); @@ -774,6 +777,8 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, if (!r) return; + dwc3_flush_cache((int)trb, sizeof(*trb)); + status = DWC3_TRB_SIZE_TRBSTS(trb->size); if (status == DWC3_TRBSTS_SETUP_PENDING) { dev_dbg(dwc->dev, "Setup Pending received"); @@ -795,6 +800,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, transfer_size += (maxp - (transfer_size % maxp)); transferred = min_t(u32, ur->length, transfer_size - length); + dwc3_flush_cache((int)dwc->ep0_bounce, DWC3_EP0_BOUNCE_SIZE); memcpy(ur->buf, dwc->ep0_bounce, transferred); } else { transferred = ur->length - length; |