diff options
Diffstat (limited to 'drivers/block/rsxx/dma.c')
| -rw-r--r-- | drivers/block/rsxx/dma.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/block/rsxx/dma.c b/drivers/block/rsxx/dma.c index 4103601..fc88ba3 100644 --- a/drivers/block/rsxx/dma.c +++ b/drivers/block/rsxx/dma.c @@ -223,12 +223,14 @@ static void dma_intr_coal_auto_tune(struct rsxx_cardinfo *card) /*----------------- RSXX DMA Handling -------------------*/ static void rsxx_free_dma(struct rsxx_dma_ctrl *ctrl, struct rsxx_dma *dma) { - if (!pci_dma_mapping_error(ctrl->card->dev, dma->dma_addr)) { - pci_unmap_page(ctrl->card->dev, dma->dma_addr, - get_dma_size(dma), - dma->cmd == HW_CMD_BLK_WRITE ? - PCI_DMA_TODEVICE : - PCI_DMA_FROMDEVICE); + if (dma->cmd != HW_CMD_BLK_DISCARD) { + if (!pci_dma_mapping_error(ctrl->card->dev, dma->dma_addr)) { + pci_unmap_page(ctrl->card->dev, dma->dma_addr, + get_dma_size(dma), + dma->cmd == HW_CMD_BLK_WRITE ? + PCI_DMA_TODEVICE : + PCI_DMA_FROMDEVICE); + } } kmem_cache_free(rsxx_dma_pool, dma); @@ -1057,11 +1059,14 @@ int rsxx_eeh_save_issued_dmas(struct rsxx_cardinfo *card) else card->ctrl[i].stats.reads_issued--; - pci_unmap_page(card->dev, dma->dma_addr, - get_dma_size(dma), - dma->cmd == HW_CMD_BLK_WRITE ? - PCI_DMA_TODEVICE : - PCI_DMA_FROMDEVICE); + if (dma->cmd != HW_CMD_BLK_DISCARD) { + pci_unmap_page(card->dev, dma->dma_addr, + get_dma_size(dma), + dma->cmd == HW_CMD_BLK_WRITE ? + PCI_DMA_TODEVICE : + PCI_DMA_FROMDEVICE); + } + list_add_tail(&dma->list, &issued_dmas[i]); push_tracker(card->ctrl[i].trackers, j); cnt++; |
