diff options
| -rw-r--r-- | drivers/pci/endpoint/functions/pci-epf-mhi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c index 7f5326925ed5..8d2d9d01cfd2 100644 --- a/drivers/pci/endpoint/functions/pci-epf-mhi.c +++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c @@ -644,6 +644,15 @@ err_unlock: return ret; } +static void pci_epf_mhi_edma_flush_async(struct mhi_ep_cntrl *mhi_cntrl) +{ + struct pci_epf_mhi *epf_mhi = to_epf_mhi(mhi_cntrl); + + dmaengine_synchronize(epf_mhi->dma_chan_rx); + dmaengine_synchronize(epf_mhi->dma_chan_tx); + flush_workqueue(epf_mhi->dma_wq); +} + struct epf_dma_filter { struct device *dev; u32 dma_mask; @@ -812,6 +821,7 @@ static int pci_epf_mhi_link_up(struct pci_epf *epf) mhi_cntrl->write_sync = pci_epf_mhi_edma_write; mhi_cntrl->read_async = pci_epf_mhi_edma_read_async; mhi_cntrl->write_async = pci_epf_mhi_edma_write_async; + mhi_cntrl->flush_async = pci_epf_mhi_edma_flush_async; } /* Register the MHI EP controller */ |