From 931da2f7a56b7e84a75f40472edf96a5689734a7 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 18 Oct 2018 15:15:13 +0200 Subject: [PATCH] sx8: switch to the generic DMA API The PCI DMA API is deprecated, switch to the generic DMA API instead. Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/block/sx8.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c index 377c17e106c3..064b8c5c7a32 100644 --- a/drivers/block/sx8.c +++ b/drivers/block/sx8.c @@ -861,9 +861,9 @@ static blk_status_t carm_queue_rq(struct blk_mq_hw_ctx *hctx, if (rq_data_dir(rq) == WRITE) { writing = 1; - pci_dir = PCI_DMA_TODEVICE; + pci_dir = DMA_TO_DEVICE; } else { - pci_dir = PCI_DMA_FROMDEVICE; + pci_dir = DMA_FROM_DEVICE; } /* get scatterlist from block layer */ @@ -877,7 +877,7 @@ static blk_status_t carm_queue_rq(struct blk_mq_hw_ctx *hctx, } /* map scatterlist to PCI bus addresses */ - n_elem = pci_map_sg(host->pdev, sg, n_elem, pci_dir); + n_elem = dma_map_sg(&host->pdev->dev, sg, n_elem, pci_dir); if (n_elem <= 0) { /* request with no s/g entries? */ carm_end_rq(host, crq, BLK_STS_IOERR); @@ -1058,11 +1058,11 @@ static inline void carm_handle_rw(struct carm_host *host, VPRINTK("ENTER\n"); if (rq_data_dir(crq->rq) == WRITE) - pci_dir = PCI_DMA_TODEVICE; + pci_dir = DMA_TO_DEVICE; else - pci_dir = PCI_DMA_FROMDEVICE; + pci_dir = DMA_FROM_DEVICE; - pci_unmap_sg(host->pdev, &crq->sg[0], crq->n_elem, pci_dir); + dma_unmap_sg(&host->pdev->dev, &crq->sg[0], crq->n_elem, pci_dir); carm_end_rq(host, crq, error); } @@ -1567,8 +1567,8 @@ static void carm_free_disks(struct carm_host *host) static int carm_init_shm(struct carm_host *host) { - host->shm = pci_alloc_consistent(host->pdev, CARM_SHM_SIZE, - &host->shm_dma); + host->shm = dma_alloc_coherent(&host->pdev->dev, CARM_SHM_SIZE, + &host->shm_dma, GFP_KERNEL); if (!host->shm) return -ENOMEM; @@ -1598,7 +1598,7 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) goto err_out; - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); if (rc) { printk(KERN_ERR DRV_NAME "(%s): DMA mask failure\n", pci_name(pdev)); @@ -1643,7 +1643,7 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) printk(KERN_ERR DRV_NAME "(%s): OOB queue alloc failure\n", pci_name(pdev)); rc = PTR_ERR(q); - goto err_out_pci_free; + goto err_out_dma_free; } host->oob_q = q; q->queuedata = host; @@ -1708,8 +1708,8 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) clear_bit(1, &carm_major_alloc); blk_cleanup_queue(host->oob_q); blk_mq_free_tag_set(&host->tag_set); -err_out_pci_free: - pci_free_consistent(pdev, CARM_SHM_SIZE, host->shm, host->shm_dma); +err_out_dma_free: + dma_free_coherent(&pdev->dev, CARM_SHM_SIZE, host->shm, host->shm_dma); err_out_iounmap: iounmap(host->mmio); err_out_kfree: @@ -1740,7 +1740,7 @@ static void carm_remove_one (struct pci_dev *pdev) clear_bit(1, &carm_major_alloc); blk_cleanup_queue(host->oob_q); blk_mq_free_tag_set(&host->tag_set); - pci_free_consistent(pdev, CARM_SHM_SIZE, host->shm, host->shm_dma); + dma_free_coherent(&pdev->dev, CARM_SHM_SIZE, host->shm, host->shm_dma); iounmap(host->mmio); kfree(host); pci_release_regions(pdev); -- GitLab