From 0a772f3e46a0d54c404a4d9feb19a5192bbf4e18 Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Mon, 27 Jul 2020 11:30:27 +0200 Subject: [PATCH] crypto: hifn_795x - switch from 'pci_' to 'dma_' API The wrappers in include/linux/pci-dma-compat.h should go away. The patch has been generated with the coccinelle script below and has been hand modified to replace GFP_ with a correct flag. It has been compile tested. When memory is allocated in 'hifn_probe()' GFP_KERNEL can be used because it is a probe function and no spin_lock is taken. @@ @@ - PCI_DMA_BIDIRECTIONAL + DMA_BIDIRECTIONAL @@ @@ - PCI_DMA_TODEVICE + DMA_TO_DEVICE @@ @@ - PCI_DMA_FROMDEVICE + DMA_FROM_DEVICE @@ @@ - PCI_DMA_NONE + DMA_NONE @@ expression e1, e2, e3; @@ - pci_alloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3; @@ - pci_zalloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3, e4; @@ - pci_free_consistent(e1, e2, e3, e4) + dma_free_coherent(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_single(e1, e2, e3, e4) + dma_map_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_single(e1, e2, e3, e4) + dma_unmap_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4, e5; @@ - pci_map_page(e1, e2, e3, e4, e5) + dma_map_page(&e1->dev, e2, e3, e4, e5) @@ expression e1, e2, e3, e4; @@ - pci_unmap_page(e1, e2, e3, e4) + dma_unmap_page(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_sg(e1, e2, e3, e4) + dma_map_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_sg(e1, e2, e3, e4) + dma_unmap_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_cpu(e1, e2, e3, e4) + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_device(e1, e2, e3, e4) + dma_sync_single_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4) + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_device(e1, e2, e3, e4) + dma_sync_sg_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2; @@ - pci_dma_mapping_error(e1, e2) + dma_mapping_error(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_dma_mask(e1, e2) + dma_set_mask(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_consistent_dma_mask(e1, e2) + dma_set_coherent_mask(&e1->dev, e2) Signed-off-by: Christophe JAILLET Signed-off-by: Herbert Xu --- drivers/crypto/hifn_795x.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index 3548364..3363ca4 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -1235,7 +1235,8 @@ static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page, int idx; dma_addr_t addr; - addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_TODEVICE); + addr = dma_map_page(&dev->pdev->dev, page, offset, size, + DMA_TO_DEVICE); idx = dma->srci; @@ -1293,7 +1294,8 @@ static void hifn_setup_dst_desc(struct hifn_device *dev, struct page *page, int idx; dma_addr_t addr; - addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_FROMDEVICE); + addr = dma_map_page(&dev->pdev->dev, page, offset, size, + DMA_FROM_DEVICE); idx = dma->dsti; dma->dstr[idx].p = __cpu_to_le32(addr); @@ -2470,7 +2472,7 @@ static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id) return err; pci_set_master(pdev); - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); if (err) goto err_out_disable_pci_device; @@ -2514,8 +2516,9 @@ static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id) } } - dev->desc_virt = pci_zalloc_consistent(pdev, sizeof(struct hifn_dma), - &dev->desc_dma); + dev->desc_virt = dma_alloc_coherent(&pdev->dev, + sizeof(struct hifn_dma), + &dev->desc_dma, GFP_KERNEL); if (!dev->desc_virt) { dev_err(&pdev->dev, "Failed to allocate descriptor rings.\n"); err = -ENOMEM; @@ -2572,8 +2575,8 @@ err_out_free_irq: free_irq(dev->irq, dev); tasklet_kill(&dev->tasklet); err_out_free_desc: - pci_free_consistent(pdev, sizeof(struct hifn_dma), - dev->desc_virt, dev->desc_dma); + dma_free_coherent(&pdev->dev, sizeof(struct hifn_dma), dev->desc_virt, + dev->desc_dma); err_out_unmap_bars: for (i = 0; i < 3; ++i) @@ -2610,8 +2613,8 @@ static void hifn_remove(struct pci_dev *pdev) hifn_flush(dev); - pci_free_consistent(pdev, sizeof(struct hifn_dma), - dev->desc_virt, dev->desc_dma); + dma_free_coherent(&pdev->dev, sizeof(struct hifn_dma), + dev->desc_virt, dev->desc_dma); for (i = 0; i < 3; ++i) if (dev->bar[i]) iounmap(dev->bar[i]); -- 2.7.4