linux-kernel - [PATCH 03/22] ia64: rename swiotlb_dma

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Message-Id: <20180110080932.14157-4-hch@lst.de>
Date:   Wed, 10 Jan 2018 09:09:13 +0100
From:   Christoph Hellwig <hch@....de>
To:     iommu@...ts.linux-foundation.org
Cc:     Konrad Rzeszutek Wilk <konrad@...nok.org>,
        Michal Simek <monstr@...str.eu>,
        Guan Xuetao <gxt@...c.pku.edu.cn>,
        Christian König 
        <ckoenig.leichtzumerken@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-ia64@...r.kernel.org,
        linux-mips@...ux-mips.org, linuxppc-dev@...ts.ozlabs.org,
        x86@...nel.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 03/22] ia64: rename swiotlb_dma_ops

We'll need that name for a generic implementation soon.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 arch/ia64/hp/common/hwsw_iommu.c | 4 ++--
 arch/ia64/hp/common/sba_iommu.c  | 6 +++---
 arch/ia64/kernel/pci-swiotlb.c   | 6 +++---
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c
index 63d8e1d2477f..41279f0442bd 100644
--- a/arch/ia64/hp/common/hwsw_iommu.c
+++ b/arch/ia64/hp/common/hwsw_iommu.c
@@ -19,7 +19,7 @@
 #include <linux/export.h>
 #include <asm/machvec.h>
 
-extern const struct dma_map_ops sba_dma_ops, swiotlb_dma_ops;
+extern const struct dma_map_ops sba_dma_ops, ia64_swiotlb_dma_ops;
 
 /* swiotlb declarations & definitions: */
 extern int swiotlb_late_init_with_default_size (size_t size);
@@ -38,7 +38,7 @@ static inline int use_swiotlb(struct device *dev)
 const struct dma_map_ops *hwsw_dma_get_ops(struct device *dev)
 {
 	if (use_swiotlb(dev))
-		return &swiotlb_dma_ops;
+		return &ia64_swiotlb_dma_ops;
 	return &sba_dma_ops;
 }
 EXPORT_SYMBOL(hwsw_dma_get_ops);
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index aec4a3354abe..8c0a9ae6afec 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -2096,7 +2096,7 @@ static int __init acpi_sba_ioc_init_acpi(void)
 /* This has to run before acpi_scan_init(). */
 arch_initcall(acpi_sba_ioc_init_acpi);
 
-extern const struct dma_map_ops swiotlb_dma_ops;
+extern const struct dma_map_ops ia64_swiotlb_dma_ops;
 
 static int __init
 sba_init(void)
@@ -2111,7 +2111,7 @@ sba_init(void)
 	 * a successful kdump kernel boot is to use the swiotlb.
 	 */
 	if (is_kdump_kernel()) {
-		dma_ops = &swiotlb_dma_ops;
+		dma_ops = &ia64_swiotlb_dma_ops;
 		if (swiotlb_late_init_with_default_size(64 * (1<<20)) != 0)
 			panic("Unable to initialize software I/O TLB:"
 				  " Try machvec=dig boot option");
@@ -2133,7 +2133,7 @@ sba_init(void)
 		 * If we didn't find something sba_iommu can claim, we
 		 * need to setup the swiotlb and switch to the dig machvec.
 		 */
-		dma_ops = &swiotlb_dma_ops;
+		dma_ops = &ia64_swiotlb_dma_ops;
 		if (swiotlb_late_init_with_default_size(64 * (1<<20)) != 0)
 			panic("Unable to find SBA IOMMU or initialize "
 			      "software I/O TLB: Try machvec=dig boot option");
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 5e50939aa03e..f1ae873a8c35 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -31,7 +31,7 @@ static void ia64_swiotlb_free_coherent(struct device *dev, size_t size,
 	swiotlb_free_coherent(dev, size, vaddr, dma_addr);
 }
 
-const struct dma_map_ops swiotlb_dma_ops = {
+const struct dma_map_ops ia64_swiotlb_dma_ops = {
 	.alloc = ia64_swiotlb_alloc_coherent,
 	.free = ia64_swiotlb_free_coherent,
 	.map_page = swiotlb_map_page,
@@ -48,7 +48,7 @@ const struct dma_map_ops swiotlb_dma_ops = {
 
 void __init swiotlb_dma_init(void)
 {
-	dma_ops = &swiotlb_dma_ops;
+	dma_ops = &ia64_swiotlb_dma_ops;
 	swiotlb_init(1);
 }
 
@@ -60,7 +60,7 @@ void __init pci_swiotlb_init(void)
 		printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n");
 		machvec_init("dig");
 		swiotlb_init(1);
-		dma_ops = &swiotlb_dma_ops;
+		dma_ops = &ia64_swiotlb_dma_ops;
 #else
 		panic("Unable to find Intel IOMMU");
 #endif
-- 
2.14.2