diff options
Diffstat (limited to 'drivers/i3c/master/mipi-i3c-hci/dma.c')
| -rw-r--r-- | drivers/i3c/master/mipi-i3c-hci/dma.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c index 491dfe70b660..351851859f02 100644 --- a/drivers/i3c/master/mipi-i3c-hci/dma.c +++ b/drivers/i3c/master/mipi-i3c-hci/dma.c @@ -349,9 +349,7 @@ static void hci_dma_unmap_xfer(struct i3c_hci *hci, xfer = xfer_list + i; if (!xfer->data) continue; - dma_unmap_single(&hci->master.dev, - xfer->data_dma, xfer->data_len, - xfer->rnw ? DMA_FROM_DEVICE : DMA_TO_DEVICE); + i3c_master_dma_unmap_single(xfer->dma); } } @@ -362,7 +360,6 @@ static int hci_dma_queue_xfer(struct i3c_hci *hci, struct hci_rh_data *rh; unsigned int i, ring, enqueue_ptr; u32 op1_val, op2_val; - void *buf; /* For now we only use ring 0 */ ring = 0; @@ -373,6 +370,8 @@ static int hci_dma_queue_xfer(struct i3c_hci *hci, for (i = 0; i < n; i++) { struct hci_xfer *xfer = xfer_list + i; u32 *ring_data = rh->xfer + rh->xfer_struct_sz * enqueue_ptr; + enum dma_data_direction dir = xfer->rnw ? DMA_FROM_DEVICE : + DMA_TO_DEVICE; /* store cmd descriptor */ *ring_data++ = xfer->cmd_desc[0]; @@ -391,21 +390,17 @@ static int hci_dma_queue_xfer(struct i3c_hci *hci, /* 2nd and 3rd words of Data Buffer Descriptor Structure */ if (xfer->data) { - buf = xfer->bounce_buf ? xfer->bounce_buf : xfer->data; - xfer->data_dma = - dma_map_single(&hci->master.dev, - buf, - xfer->data_len, - xfer->rnw ? - DMA_FROM_DEVICE : - DMA_TO_DEVICE); - if (dma_mapping_error(&hci->master.dev, - xfer->data_dma)) { + xfer->dma = i3c_master_dma_map_single(&hci->master.dev, + xfer->data, + xfer->data_len, + false, + dir); + if (!xfer->dma) { hci_dma_unmap_xfer(hci, xfer_list, i); return -ENOMEM; } - *ring_data++ = lower_32_bits(xfer->data_dma); - *ring_data++ = upper_32_bits(xfer->data_dma); + *ring_data++ = lower_32_bits(xfer->dma->addr); + *ring_data++ = upper_32_bits(xfer->dma->addr); } else { *ring_data++ = 0; *ring_data++ = 0; |