From 38de3afffb7257176978dfa9b3ab67d0c29af95c Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Sun, 22 Aug 2021 16:04:12 +0200 Subject: [PATCH] NTB: 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. It has been compile tested. @@ @@ - 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 Acked-by: Serge Semin Signed-off-by: Jon Mason --- drivers/ntb/hw/amd/ntb_hw_amd.c | 12 ++---------- drivers/ntb/hw/idt/ntb_hw_idt.c | 15 ++------------- drivers/ntb/hw/intel/ntb_hw_gen1.c | 12 ++---------- 3 files changed, 6 insertions(+), 33 deletions(-) diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c index 71428d8..87847c3 100644 --- a/drivers/ntb/hw/amd/ntb_hw_amd.c +++ b/drivers/ntb/hw/amd/ntb_hw_amd.c @@ -1176,22 +1176,14 @@ static int amd_ntb_init_pci(struct amd_ntb_dev *ndev, pci_set_master(pdev); - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); if (rc) { - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (rc) goto err_dma_mask; dev_warn(&pdev->dev, "Cannot DMA highmem\n"); } - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); - if (rc) { - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc) - goto err_dma_mask; - dev_warn(&pdev->dev, "Cannot DMA consistent highmem\n"); - } - ndev->self_mmio = pci_iomap(pdev, 0, 0); if (!ndev->self_mmio) { rc = -EIO; diff --git a/drivers/ntb/hw/idt/ntb_hw_idt.c b/drivers/ntb/hw/idt/ntb_hw_idt.c index e7a4c2a..7335572 100644 --- a/drivers/ntb/hw/idt/ntb_hw_idt.c +++ b/drivers/ntb/hw/idt/ntb_hw_idt.c @@ -2640,26 +2640,15 @@ static int idt_init_pci(struct idt_ntb_dev *ndev) int ret; /* Initialize the bit mask of PCI/NTB DMA */ - ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); if (ret != 0) { - ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (ret != 0) { dev_err(&pdev->dev, "Failed to set DMA bit mask\n"); return ret; } dev_warn(&pdev->dev, "Cannot set DMA highmem bit mask\n"); } - ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); - if (ret != 0) { - ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); - if (ret != 0) { - dev_err(&pdev->dev, - "Failed to set consistent DMA bit mask\n"); - return ret; - } - dev_warn(&pdev->dev, - "Cannot set consistent DMA highmem bit mask\n"); - } /* * Enable the device advanced error reporting. It's not critical to diff --git a/drivers/ntb/hw/intel/ntb_hw_gen1.c b/drivers/ntb/hw/intel/ntb_hw_gen1.c index 093dd20..e5f14e2 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen1.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen1.c @@ -1771,22 +1771,14 @@ static int intel_ntb_init_pci(struct intel_ntb_dev *ndev, struct pci_dev *pdev) pci_set_master(pdev); - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); if (rc) { - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (rc) goto err_dma_mask; dev_warn(&pdev->dev, "Cannot DMA highmem\n"); } - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); - if (rc) { - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc) - goto err_dma_mask; - dev_warn(&pdev->dev, "Cannot DMA consistent highmem\n"); - } - ndev->self_mmio = pci_iomap(pdev, 0, 0); if (!ndev->self_mmio) { rc = -EIO; -- 2.7.4