linux-kernel - [PATCH 16/16] PCI: Remove usage of the deprecated "pci-dma-compat.h" API

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Message-Id: <e965573211f8c81c8ba978cfbc21925810a662b1.1641500561.git.christophe.jaillet@wanadoo.fr>
Date:   Thu,  6 Jan 2022 22:55:33 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     arnd@...db.de, hch@...radead.org, akpm@...ux-foundation.org,
        bhelgaas@...gle.com
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 16/16] PCI: Remove usage of the deprecated "pci-dma-compat.h" API

Final step, remove pci-dma-compat.h

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 include/linux/pci-dma-compat.h | 129 ---------------------------------
 include/linux/pci.h            |   3 -
 2 files changed, 132 deletions(-)
 delete mode 100644 include/linux/pci-dma-compat.h

diff --git a/include/linux/pci-dma-compat.h b/include/linux/pci-dma-compat.h
deleted file mode 100644
index 249d4d7fbf18..000000000000
--- a/include/linux/pci-dma-compat.h
+++ /dev/null
@@ -1,129 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* include this file if the platform implements the dma_ DMA Mapping API
- * and wants to provide the pci_ DMA Mapping API in terms of it */
-
-#ifndef _ASM_GENERIC_PCI_DMA_COMPAT_H
-#define _ASM_GENERIC_PCI_DMA_COMPAT_H
-
-#include <linux/dma-mapping.h>
-
-/* This defines the direction arg to the DMA mapping routines. */
-#define PCI_DMA_BIDIRECTIONAL	DMA_BIDIRECTIONAL
-#define PCI_DMA_TODEVICE	DMA_TO_DEVICE
-#define PCI_DMA_FROMDEVICE	DMA_FROM_DEVICE
-#define PCI_DMA_NONE		DMA_NONE
-
-static inline void *
-pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
-		     dma_addr_t *dma_handle)
-{
-	return dma_alloc_coherent(&hwdev->dev, size, dma_handle, GFP_ATOMIC);
-}
-
-static inline void *
-pci_zalloc_consistent(struct pci_dev *hwdev, size_t size,
-		      dma_addr_t *dma_handle)
-{
-	return dma_alloc_coherent(&hwdev->dev, size, dma_handle, GFP_ATOMIC);
-}
-
-static inline void
-pci_free_consistent(struct pci_dev *hwdev, size_t size,
-		    void *vaddr, dma_addr_t dma_handle)
-{
-	dma_free_coherent(&hwdev->dev, size, vaddr, dma_handle);
-}
-
-static inline dma_addr_t
-pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
-{
-	return dma_map_single(&hwdev->dev, ptr, size, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
-		 size_t size, int direction)
-{
-	dma_unmap_single(&hwdev->dev, dma_addr, size, (enum dma_data_direction)direction);
-}
-
-static inline dma_addr_t
-pci_map_page(struct pci_dev *hwdev, struct page *page,
-	     unsigned long offset, size_t size, int direction)
-{
-	return dma_map_page(&hwdev->dev, page, offset, size, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
-	       size_t size, int direction)
-{
-	dma_unmap_page(&hwdev->dev, dma_address, size, (enum dma_data_direction)direction);
-}
-
-static inline int
-pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-	   int nents, int direction)
-{
-	return dma_map_sg(&hwdev->dev, sg, nents, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-	     int nents, int direction)
-{
-	dma_unmap_sg(&hwdev->dev, sg, nents, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle,
-		    size_t size, int direction)
-{
-	dma_sync_single_for_cpu(&hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle,
-		    size_t size, int direction)
-{
-	dma_sync_single_for_device(&hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg,
-		int nelems, int direction)
-{
-	dma_sync_sg_for_cpu(&hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg,
-		int nelems, int direction)
-{
-	dma_sync_sg_for_device(&hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
-}
-
-static inline int
-pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr)
-{
-	return dma_mapping_error(&pdev->dev, dma_addr);
-}
-
-#ifdef CONFIG_PCI
-static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	return dma_set_mask(&dev->dev, mask);
-}
-
-static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	return dma_set_coherent_mask(&dev->dev, mask);
-}
-#else
-static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{ return -EIO; }
-static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{ return -EIO; }
-#endif
-
-#endif
diff --git a/include/linux/pci.h b/include/linux/pci.h
index d4308f847e58..ba8771eaf380 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2455,9 +2455,6 @@ static inline bool pci_is_thunderbolt_attached(struct pci_dev *pdev)
 void pci_uevent_ers(struct pci_dev *pdev, enum  pci_ers_result err_type);
 #endif
 
-/* Provide the legacy pci_dma_* API */
-#include <linux/pci-dma-compat.h>
-
 #define pci_printk(level, pdev, fmt, arg...) \
 	dev_printk(level, &(pdev)->dev, fmt, ##arg)
 
-- 
2.32.0